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2025-03-31s390/kvm: Split kvm_host header fileHeiko Carstens
In order to generate asm offsets into kvm_s390_sie_block linux/kvm_host.h is included in asm-offsets.c. This causes quite often header dependency problems, since linux/kvm_host.h pulls in a lot of other header files. Solve this problem and split out the hardware structure declarations into a separate header file. Include only the new header file into asm-offsets.c instead of linux/kvm_host.h. This is sufficient to generate the two asm offsets required for kvm (__SIE_PROG0C and __SIE_PROG20). Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2025-03-31s390/pci: Fix zpci_bus_is_isolated_vf() for non-VFsNiklas Schnelle
For non-VFs, zpci_bus_is_isolated_vf() should return false because they aren't VFs. While zpci_iov_find_parent_pf() specifically checks if a function is a VF, it then simply returns that there is no parent. The simplistic check for a parent then leads to these functions being confused with isolated VFs and isolating them on their own domain even if sibling PFs should share the domain. Fix this by explicitly checking if a function is not a VF. Note also that at this point the case where RIDs are ignored is already handled and in this case all PCI functions get isolated by being detected in zpci_bus_is_multifunction_root(). Cc: stable@vger.kernel.org Fixes: 2844ddbd540f ("s390/pci: Fix handling of isolated VFs") Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com> Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2025-03-31s390/lowcore: Remove unused machine_flagsHeiko Carstens
The machine_flags member in struct lowcore is not used anymore. Remove it. Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2025-03-31s390/entry: Fix setting _CIF_MCCK_GUEST with lowcore relocationSven Schnelle
When lowcore relocation is enabled, the machine check handler doesn't use the lowcore address when setting _CIF_MCCK_GUEST. Fix this by adding the missing base register. Fixes: 0001b7bbc53a ("s390/entry: Make mchk_int_handler() ready for lowcore relocation") Reported-by: Heiko Carstens <hca@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2025-03-31Merge tag 'kvm-s390-next-6.15-1' of ↵Paolo Bonzini
https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD Pointer print format fixes
2025-03-30Merge tag 'modules-6.15-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux Pull modules updates from Petr Pavlu: - Use RCU instead of RCU-sched The mix of rcu_read_lock(), rcu_read_lock_sched() and preempt_disable() in the module code and its users has been replaced with just rcu_read_lock() - The rest of changes are smaller fixes and updates * tag 'modules-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux: (32 commits) MAINTAINERS: Update the MODULE SUPPORT section module: Remove unnecessary size argument when calling strscpy() module: Replace deprecated strncpy() with strscpy() params: Annotate struct module_param_attrs with __counted_by() bug: Use RCU instead RCU-sched to protect module_bug_list. static_call: Use RCU in all users of __module_text_address(). kprobes: Use RCU in all users of __module_text_address(). bpf: Use RCU in all users of __module_text_address(). jump_label: Use RCU in all users of __module_text_address(). jump_label: Use RCU in all users of __module_address(). x86: Use RCU in all users of __module_address(). cfi: Use RCU while invoking __module_address(). powerpc/ftrace: Use RCU in all users of __module_text_address(). LoongArch: ftrace: Use RCU in all users of __module_text_address(). LoongArch/orc: Use RCU in all users of __module_address(). arm64: module: Use RCU in all users of __module_text_address(). ARM: module: Use RCU in all users of __module_text_address(). module: Use RCU in all users of __module_text_address(). module: Use RCU in all users of __module_address(). module: Use RCU in search_module_extables(). ...
2025-03-30Merge tag 'x86-urgent-2025-03-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc x86 fixes and updates from Ingo Molnar: - Fix a large number of x86 Kconfig dependency and help text accuracy bugs/problems, by Mateusz Jończyk and David Heideberg - Fix a VM_PAT interaction with fork() crash. This also touches core kernel code - Fix an ORC unwinder bug for interrupt entries - Fixes and cleanups - Fix an AMD microcode loader bug that can promote verification failures into success - Add early-printk support for MMIO based UARTs on an x86 board that had no other serial debugging facility and also experienced early boot crashes * tag 'x86-urgent-2025-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode/AMD: Fix __apply_microcode_amd()'s return value x86/mm/pat: Fix VM_PAT handling when fork() fails in copy_page_range() x86/fpu: Update the outdated comment above fpstate_init_user() x86/early_printk: Add support for MMIO-based UARTs x86/dumpstack: Fix inaccurate unwinding from exception stacks due to misplaced assignment x86/entry: Fix ORC unwinder for PUSH_REGS with save_ret=1 x86/Kconfig: Fix lists in X86_EXTENDED_PLATFORM help text x86/Kconfig: Correct X86_X2APIC help text x86/speculation: Remove the extra #ifdef around CALL_NOSPEC x86/Kconfig: Document release year of glibc 2.3.3 x86/Kconfig: Make CONFIG_PCI_CNB20LE_QUIRK depend on X86_32 x86/Kconfig: Document CONFIG_PCI_MMCONFIG x86/Kconfig: Update lists in X86_EXTENDED_PLATFORM x86/Kconfig: Move all X86_EXTENDED_PLATFORM options together x86/Kconfig: Always enable ARCH_SPARSEMEM_ENABLE x86/Kconfig: Enable X86_X2APIC by default and improve help text
2025-03-30Merge tag 'locking-urgent-2025-03-28' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc locking fixes and updates from Ingo Molnar: - Fix a locking self-test FAIL on PREEMPT_RT kernels - Fix nr_unused_locks accounting bug - Simplify the split-lock debugging feature's fast-path * tag 'locking-urgent-2025-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/lockdep: Decrease nr_unused_locks if lock unused in zap_class() lockdep: Fix wait context check on softirq for PREEMPT_RT x86/split_lock: Simplify reenabling
2025-03-30Merge tag 'bpf_res_spin_lock' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Pull bpf relisient spinlock support from Alexei Starovoitov: "This patch set introduces Resilient Queued Spin Lock (or rqspinlock with res_spin_lock() and res_spin_unlock() APIs). This is a qspinlock variant which recovers the kernel from a stalled state when the lock acquisition path cannot make forward progress. This can occur when a lock acquisition attempt enters a deadlock situation (e.g. AA, or ABBA), or more generally, when the owner of the lock (which we’re trying to acquire) isn’t making forward progress. Deadlock detection is the main mechanism used to provide instant recovery, with the timeout mechanism acting as a final line of defense. Detection is triggered immediately when beginning the waiting loop of a lock slow path. Additionally, BPF programs attached to different parts of the kernel can introduce new control flow into the kernel, which increases the likelihood of deadlocks in code not written to handle reentrancy. There have been multiple syzbot reports surfacing deadlocks in internal kernel code due to the diverse ways in which BPF programs can be attached to different parts of the kernel. By switching the BPF subsystem’s lock usage to rqspinlock, all of these issues are mitigated at runtime. This spin lock implementation allows BPF maps to become safer and remove mechanisms that have fallen short in assuring safety when nesting programs in arbitrary ways in the same context or across different contexts. We run benchmarks that stress locking scalability and perform comparison against the baseline (qspinlock). For the rqspinlock case, we replace the default qspinlock with it in the kernel, such that all spin locks in the kernel use the rqspinlock slow path. As such, benchmarks that stress kernel spin locks end up exercising rqspinlock. More details in the cover letter in commit 6ffb9017e932 ("Merge branch 'resilient-queued-spin-lock'")" * tag 'bpf_res_spin_lock' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (24 commits) selftests/bpf: Add tests for rqspinlock bpf: Maintain FIFO property for rqspinlock unlock bpf: Implement verifier support for rqspinlock bpf: Introduce rqspinlock kfuncs bpf: Convert lpm_trie.c to rqspinlock bpf: Convert percpu_freelist.c to rqspinlock bpf: Convert hashtab.c to rqspinlock rqspinlock: Add locktorture support rqspinlock: Add entry to Makefile, MAINTAINERS rqspinlock: Add macros for rqspinlock usage rqspinlock: Add basic support for CONFIG_PARAVIRT rqspinlock: Add a test-and-set fallback rqspinlock: Add deadlock detection and recovery rqspinlock: Protect waiters in trylock fallback from stalls rqspinlock: Protect waiters in queue from stalls rqspinlock: Protect pending bit owners from stalls rqspinlock: Hardcode cond_acquire loops for arm64 rqspinlock: Add support for timeouts rqspinlock: Drop PV and virtualization support rqspinlock: Add rqspinlock.h header ...
2025-03-30Merge tag 'bpf-next-6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Pull bpf updates from Alexei Starovoitov: "For this merge window we're splitting BPF pull request into three for higher visibility: main changes, res_spin_lock, try_alloc_pages. These are the main BPF changes: - Add DFA-based live registers analysis to improve verification of programs with loops (Eduard Zingerman) - Introduce load_acquire and store_release BPF instructions and add x86, arm64 JIT support (Peilin Ye) - Fix loop detection logic in the verifier (Eduard Zingerman) - Drop unnecesary lock in bpf_map_inc_not_zero() (Eric Dumazet) - Add kfunc for populating cpumask bits (Emil Tsalapatis) - Convert various shell based tests to selftests/bpf/test_progs format (Bastien Curutchet) - Allow passing referenced kptrs into struct_ops callbacks (Amery Hung) - Add a flag to LSM bpf hook to facilitate bpf program signing (Blaise Boscaccy) - Track arena arguments in kfuncs (Ihor Solodrai) - Add copy_remote_vm_str() helper for reading strings from remote VM and bpf_copy_from_user_task_str() kfunc (Jordan Rome) - Add support for timed may_goto instruction (Kumar Kartikeya Dwivedi) - Allow bpf_get_netns_cookie() int cgroup_skb programs (Mahe Tardy) - Reduce bpf_cgrp_storage_busy false positives when accessing cgroup local storage (Martin KaFai Lau) - Introduce bpf_dynptr_copy() kfunc (Mykyta Yatsenko) - Allow retrieving BTF data with BTF token (Mykyta Yatsenko) - Add BPF kfuncs to set and get xattrs with 'security.bpf.' prefix (Song Liu) - Reject attaching programs to noreturn functions (Yafang Shao) - Introduce pre-order traversal of cgroup bpf programs (Yonghong Song)" * tag 'bpf-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (186 commits) selftests/bpf: Add selftests for load-acquire/store-release when register number is invalid bpf: Fix out-of-bounds read in check_atomic_load/store() libbpf: Add namespace for errstr making it libbpf_errstr bpf: Add struct_ops context information to struct bpf_prog_aux selftests/bpf: Sanitize pointer prior fclose() selftests/bpf: Migrate test_xdp_vlan.sh into test_progs selftests/bpf: test_xdp_vlan: Rename BPF sections bpf: clarify a misleading verifier error message selftests/bpf: Add selftest for attaching fexit to __noreturn functions bpf: Reject attaching fexit/fmod_ret to __noreturn functions bpf: Only fails the busy counter check in bpf_cgrp_storage_get if it creates storage bpf: Make perf_event_read_output accessible in all program types. bpftool: Using the right format specifiers bpftool: Add -Wformat-signedness flag to detect format errors selftests/bpf: Test freplace from user namespace libbpf: Pass BPF token from find_prog_btf_id to BPF_BTF_GET_FD_BY_ID bpf: Return prog btf_id without capable check bpf: BPF token support for BPF_BTF_GET_FD_BY_ID bpf, x86: Fix objtool warning for timed may_goto bpf: Check map->record at the beginning of check_and_free_fields() ...
2025-03-30LoongArch: Update Loongson-3 default config fileHuacai Chen
1. Drop RT_GROUP_SCHED; 2. Enable CGROUP_DMEM. 3. Enable FIRMWARE_EDID/DRM_LOAD_EDID_FIRMWARE. 4. Enable EDAC and EDAC_LOONGSON driver. 5. Enable some Realtek WiFi driver. Signed-off-by: Celeste Liu <uwu@coelacanthus.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: vDSO: Make use of the t8 register for vgetrandom-chachaXi Ruoyao
Make use of the t8 register for vgetrandom-chacha, so we don't need to reuse a register and rematerialize a constant. I Signed-off-by: Xi Ruoyao <xry111@xry111.site> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: vDSO: Remove --hash-style=sysvXi Ruoyao
Glibc added support for .gnu.hash in 2006 and .hash has been obsoleted far before the first LoongArch CPU was taped. Using --hash-style=sysv might imply unaddressed issues and confuse readers. Some architectures use an explicit --hash-style=both for vDSO here, but DT_GNU_HASH has already been supported by Glibc and Musl and become the de-facto standard of the distros when the first LoongArch CPU was taped. So DT_HASH seems just wasting storage space for LoongArch. Just drop the option and rely on the linker default, which is likely "gnu" (Arch, Debian, Gentoo, LFS) on all LoongArch distros (confirmed on Arch, Debian, Gentoo, and LFS; AOSC now defaults to "both" but it seems just an oversight). Following the logic of commit 48f6430505c0b049 ("arm64/vdso: Remove --hash-style=sysv"). Link: https://github.com/AOSC-Dev/aosc-os-abbs/pull/9796 Signed-off-by: Xi Ruoyao <xry111@xry111.site> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: BPF: Don't override subprog's return valueHengqi Chen
The verifier test `calls: div by 0 in subprog` triggers a panic at the ld.bu instruction. The ld.bu insn is trying to load byte from memory address returned by the subprog. The subprog actually set the correct address at the a5 register (dedicated register for BPF return values). But at commit 73c359d1d356 ("LoongArch: BPF: Sign-extend return values") we also sign extended a5 to the a0 register (return value in LoongArch). For function call insn, we later propagate the a0 register back to a5 register. This is right for native calls but wrong for bpf2bpf calls which expect zero-extended return value in a5 register. So only move a0 to a5 for native calls (i.e. non-BPF_PSEUDO_CALL). Cc: stable@vger.kernel.org Fixes: 73c359d1d356 ("LoongArch: BPF: Sign-extend return values") Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: BPF: Use move_addr() for BPF_PSEUDO_FUNCHengqi Chen
Vincent reported that running XDP synproxy program on LoongArch results in the following error: JIT doesn't support bpf-to-bpf calls With dmesg: multi-func JIT bug 1391 != 1390 The root cause is that verifier will refill the imm with the correct addresses of bpf_calls for BPF_PSEUDO_FUNC instructions and then run the last pass of JIT. So we generate different JIT code for the same instruction in two passes (one for placeholder and the other for the real address). Let's use move_addr() instead. See commit 64f50f6575721ef0 ("LoongArch, bpf: Use 4 instructions for function address in JIT") for a similar fix. Cc: stable@vger.kernel.org Fixes: 69c087ba6225 ("bpf: Add bpf_for_each_map_elem() helper") Fixes: bb035ef0cc91 ("LoongArch: BPF: Support mixing bpf2bpf and tailcalls") Reported-by: Vincent Li <vincent.mc.li@gmail.com> Tested-by: Vincent Li <vincent.mc.li@gmail.com> Closes: https://lore.kernel.org/loongarch/CAK3+h2yfM9FTNiXvEQBkvtuoJrvzmN4c_NZsFXqEk4Cj1tsBNA@mail.gmail.com/T/#u Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: BPF: Fix off-by-one error in build_prologue()Hengqi Chen
Vincent reported that running BPF progs with tailcalls on LoongArch causes kernel hard lockup. Debugging the issues shows that the JITed image missing a jirl instruction at the end of the epilogue. There are two passes in JIT compiling, the first pass set the flags and the second pass generates JIT code based on those flags. With BPF progs mixing bpf2bpf and tailcalls, build_prologue() generates N insns in the first pass and then generates N+1 insns in the second pass. This makes epilogue_offset off by one and we will jump to some unexpected insn and cause lockup. Fix this by inserting a nop insn. Cc: stable@vger.kernel.org Fixes: 5dc615520c4d ("LoongArch: Add BPF JIT support") Fixes: bb035ef0cc91 ("LoongArch: BPF: Support mixing bpf2bpf and tailcalls") Reported-by: Vincent Li <vincent.mc.li@gmail.com> Tested-by: Vincent Li <vincent.mc.li@gmail.com> Closes: https://lore.kernel.org/loongarch/CAK3+h2w6WESdBN3UCr3WKHByD7D6Q_Ve1EDAjotVrnx6Or_c8g@mail.gmail.com/ Closes: https://lore.kernel.org/bpf/CAK3+h2woEjG_N=-XzqEGaAeCmgu2eTCUc7p6bP4u8Q+DFHm-7g@mail.gmail.com/ Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: Rework the arch_kgdb_breakpoint() implementationYuli Wang
The arch_kgdb_breakpoint() function defines the kgdb_breakinst symbol using inline assembly. 1. There's a potential issue where the compiler might inline arch_kgdb_breakpoint(), which would then define the kgdb_breakinst symbol multiple times, leading to a linker error. To prevent this, declare arch_kgdb_breakpoint() as noinline. Fix follow error with LLVM-19 *only* when LTO_CLANG_FULL: LD vmlinux.o ld.lld-19: error: ld-temp.o <inline asm>:3:1: symbol 'kgdb_breakinst' is already defined kgdb_breakinst: break 2 ^ 2. Remove "nop" in the inline assembly because it's meaningless for LoongArch here. 3. Add "STACK_FRAME_NON_STANDARD" for arch_kgdb_breakpoint() to avoid the objtool warning. Fixes: e14dd076964e ("LoongArch: Add basic KGDB & KDB support") Tested-by: Binbin Zhou <zhoubinbin@loongson.cn> Co-developed-by: Winston Wen <wentao@uniontech.com> Signed-off-by: Winston Wen <wentao@uniontech.com> Co-developed-by: Wentao Guan <guanwentao@uniontech.com> Signed-off-by: Wentao Guan <guanwentao@uniontech.com> Signed-off-by: Yuli Wang <wangyuli@uniontech.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: Fix device node refcount leak in fdt_cpu_clk_init()Miaoqian Lin
Add missing of_node_put() to properly handle the reference count of the device node obtained from of_get_cpu_node(). Fixes: 44a01f1f726a ("LoongArch: Parsing CPU-related information from DTS") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: Increase ARCH_DMA_MINALIGN up to 16Huacai Chen
ARCH_DMA_MINALIGN is 1 by default, but some LoongArch-specific devices (such as APBDMA) require 16 bytes alignment. When the data buffer length is too small, the hardware may make an error writing cacheline. Thus, it is dangerous to allocate a small memory buffer for DMA. It's always safe to define ARCH_DMA_MINALIGN as L1_CACHE_BYTES but unnecessary (kmalloc() need small memory objects). Therefore, just increase it to 16. Cc: stable@vger.kernel.org Tested-by: Binbin Zhou <zhoubinbin@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: Increase MAX_IO_PICS up to 8Huacai Chen
Begin with Loongson-3C6000, the number of PCI host can be as many as 8 for multi-chip machines, and this number should be the same for I/O interrupt controllers. To support these machines we also increase the MAX_IO_PICS up to 8. Cc: stable@vger.kernel.org Tested-by: Mingcong Bai <baimingcong@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: Fix help text of CMDLINE_EXTEND in Kconfig谢致邦 (XIE Zhibang)
It is the built-in command line appended to the bootloader command line, not the bootloader command line appended to the built-in command line. Fixes: fa96b57c1490 ("LoongArch: Add build infrastructure") Signed-off-by: 谢致邦 (XIE Zhibang) <Yeking@Red54.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: Enable UBSAN (Undefined Behavior Sanitizer)Yuli Wang
Select ARCH_HAS_UBSAN in order to allow the user to enable CONFIG_UBSAN and instrument the entire kernel for ubsan checks. Co-developed-by: Wentao Guan <guanwentao@uniontech.com> Signed-off-by: Wentao Guan <guanwentao@uniontech.com> Signed-off-by: Yuli Wang <wangyuli@uniontech.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-30LoongArch: Always select HAVE_VIRT_CPU_ACCOUNTING_GENBibo Mao
Option HAVE_VIRT_CPU_ACCOUNTING_GEN is selected by default for 64bit system in kconfig file arch/Kconfig. There is another selection in file arch/loongarch/Kconfig if SMP is not selected. Indeed this option is SMP-safe so it brings out some misunderstanding for non-SMP case. Here always select option HAVE_VIRT_CPU_ACCOUNTING_GEN for future possible 32bit system (it is also 32bit-safe because we no longer use cputime_t). Signed-off-by: Bibo Mao <maobibo@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2025-03-29Merge tag 'mfd-next-6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "Maxim MAX77705: - Added core MFD driver. - Added charger driver. - Added devicetree bindings for the charger and MFD core. - Added Haptic controller support via the input subsystem. - Added LED support. - Added support to simple-mfd-i2c for fuel gauge and hwmon. Samsung S2MPU05 (Exynos7870 PMIC): - Added core MFD support. - Added Regulator support for 21 LDOs and 5 BUCKs. - Added devicetree bindings for regulators and the PMIC core. TI TPS65215 & TPS65214: - Added support to the existing TPS65219 driver. - Added devicetree bindings. STMicroelectronics STM32MP25: - Added support to the stm32-timers MFD driver. - Added devicetree bindings. Congatec Board Controller (CGBC): - Added HWMON support for internal sensors. - Added support for the conga-SA8 module. Microchip LAN969X: - Enabled the at91-usart MFD driver for this architecture. MediaTek MT6359: - Added mfd_cell for mt6359-accdet to allow its driver to probe. Other misc driver updates: - AXP20X (AXP717): Added AXP717_TS_PIN_CFG register to writeable regs for temperature sensor configuration. - SM501: Switched to using BIT() macro to mitigate potential integer overflows in GPIO functions. - ENE KB3930: Added a NULL pointer check for off_gpios during probe to prevent potential dereference. - SYSCON: Added a check for invalid resource size to prevent issues from DT misconfiguration. - CGBC: Corrected signedness issues in cgbc_session_request - intel_soc_pmic_chtdc_ti / intel_soc_pmic_crc: Removed unneeded explicit assignment to REGCACHE_NONE. - ipaq-micro / tps65010: Switched to using str_enable_disable() helpers for clarity and potential size reduction. - upboard-fpga: Removed unnecessary ACPI_PTR() annotation. - max8997: Removed unused max8997_irq_exit() function, using devm_* helpers instead. - lp3943: Dropped unused #include <linux/pwm.h> from the header file. - db8500-prcmu: Removed needless return statements in void APIs. - qnap-mcu: Replaced commas with semicolons between expressions for correctness. - STA2X11: Removed the core MFD driver as the underlying platform support was removed. - EZX-PCAP: Removed the unused pcap_adc_sync function. - PCF50633 (OpenMoko PMIC): Removed the entire driver (core, adc, gpio, irq) as the underlying s3c24xx platform support was removed. Devicetree updates: - Converted fsl,mcu-mpc8349emitx binding to YAML - Added qcom,msm8937-tcsr compatible - Added microchip,sama7d65-flexcom compatible - Added rockchip,rk3528-qos syscon compatible - Added airoha,en7581-pbus-csr syscon compatible - Added microchip,sama7d65-ddr3phy syscon compatible - Added microchip,sama7d65-sfrbu syscon compatible" * tag 'mfd-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (49 commits) mfd: cgbc-core: Add support for conga-SA8 dt-bindings: mfd: syscon: Add microchip,sama7d65-sfrbu dt-bindings: mfd: syscon: Add microchip,sama7d65-ddr3phy mfd: cgbc: Add support for HWMON dt-bindings: mfd: syscon: Add the pbus-csr node for Airoha EN7581 SoC mfd: cgbc-core: Cleanup signedness in cgbc_session_request() mfd: pcf50633: Remove remaining PCF50633 support mfd: pcf50633: Remove unused platform IRQ code mfd: pcF50633-gpio: Remove unused driver mfd: pcf50633-adc: Remove unused driver mfd: qnap-mcu: Convert commas to semicolons in qnap_mcu_exec() mfd: mt6397-core: Add mfd_cell for mt6359-accdet dt-bindings: mfd: syscon: Add rk3528 QoS register compatible dt-bindings: mfd: atmel,sama5d2-flexcom: Add microchip,sama7d65-flexcom mfd: ezx-pcap: Remove unused pcap_adc_sync mfd: db8500-prcmu: Remove needless return in three void APIs mfd: Remove STA2x11 core driver mfd: max77620: Allow building as a module mfd: ene-kb3930: Fix a potential NULL pointer dereference dt-bindings: mfd: qcom,tcsr: Add compatible for MSM8937 ...
2025-03-29Merge tag 'parisc-for-6.15-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc updates from Helge Deller: - drop parisc specific memcpy_fromio() function - clean up coding style and fix compile warnings * tag 'parisc-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: led: Use scnprintf() to avoid string truncation warning Input: gscps2 - Describe missing function parameters parisc: perf: use named initializers for struct miscdevice parisc: PDT: Fix missing prototype warning parisc: Remove memcpy_fromio parisc: Fix formatting errors in io.c
2025-03-29Merge tag 'mips_6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS updates from Thomas Bogendoerfer: - Add support for multi-cluster configuration - Add quirks for enabling multi-cluster mode on EyeQ6 - Add DTS clocks for ralink - Cleanup realtek DTS - Other cleanups and fixes * tag 'mips_6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (35 commits) MIPS: config: omega2+, vocore2: enable CLK_MTMIPS arch: mips: defconfig: Drop obsolete CONFIG_NET_CLS_TCINDEX MIPS: cm: Fix warning if MIPS_CM is disabled MIPS: Fix Macro name MIPS: ds1287: Match ds1287_set_base_clock() function types MIPS: cevt-ds1287: Add missing ds1287.h include MIPS: dec: Declare which_prom() as static MIPS: Loongson2ef: Replace deprecated strncpy() with strscpy() mips: dts: ralink: mt7628a: update system controller node and its consumers mips: dts: ralink: mt7620a: update system controller node and its consumers mips: dts: ralink: rt3883: update system controller node and its consumers mips: dts: ralink: rt3050: update system controller node and its consumers mips: dts: ralink: rt2880: update system controller node and its consumers dt-bindings: clock: add clock definitions for Ralink SoCs MIPS: Use arch specific syscall name match function mips: dts: realtek: Add restart to Cisco SG220-26P mips: dts: realtek: Add RTL838x SoC peripherals mips: dts: realtek: Replace uart clock property mips: dts: realtek: Correct uart interrupt-parent mips: dts: realtek: Add SoC IRQ node for RTL838x ...
2025-03-29Merge tag 's390-6.15-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Vasily Gorbik: - Add sorting of mcount locations at build time - Rework uaccess functions with C exception handling to shorten inline assembly size and enable full inlining. This yields near-optimal code for small constant copies with a ~40kb kernel size increase - Add support for a configurable STRICT_MM_TYPECHECKS which allows to generate better code, but also allows to have type checking for debug builds - Optimize get_lowcore() for common callers with alternatives that nearly revert to the pre-relocated lowcore code, while also slightly reducing syscall entry and exit time - Convert MACHINE_HAS_* checks for single facility tests into cpu_has_* style macros that call test_facility(), and for features with additional conditions, add a new ALT_TYPE_FEATURE alternative to provide a static branch via alternative patching. Also, move machine feature detection to the decompressor for early patching and add debugging functionality to easily show which alternatives are patched - Add exception table support to early boot / startup code to get rid of the open coded exception handling - Use asm_inline for all inline assemblies with EX_TABLE or ALTERNATIVE to ensure correct inlining and unrolling decisions - Remove 2k page table leftovers now that s390 has been switched to always allocate 4k page tables - Split kfence pool into 4k mappings in arch_kfence_init_pool() and remove the architecture-specific kfence_split_mapping() - Use READ_ONCE_NOCHECK() in regs_get_kernel_stack_nth() to silence spurious KASAN warnings from opportunistic ftrace argument tracing - Force __atomic_add_const() variants on s390 to always return void, ensuring compile errors for improper usage - Remove s390's ioremap_wt() and pgprot_writethrough() due to mismatched semantics and lack of known users, relying on asm-generic fallbacks - Signal eventfd in vfio-ap to notify userspace when the guest AP configuration changes, including during mdev removal - Convert mdev_types from an array to a pointer in vfio-ccw and vfio-ap drivers to avoid fake flex array confusion - Cleanup trap code - Remove references to the outdated linux390@de.ibm.com address - Other various small fixes and improvements all over the code * tag 's390-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (78 commits) s390: Use inline qualifier for all EX_TABLE and ALTERNATIVE inline assemblies s390/kfence: Split kfence pool into 4k mappings in arch_kfence_init_pool() s390/ptrace: Avoid KASAN false positives in regs_get_kernel_stack_nth() s390/boot: Ignore vmlinux.map s390/sysctl: Remove "vm/allocate_pgste" sysctl s390: Remove 2k vs 4k page table leftovers s390/tlb: Use mm_has_pgste() instead of mm_alloc_pgste() s390/lowcore: Use lghi instead llilh to clear register s390/syscall: Merge __do_syscall() and do_syscall() s390/spinlock: Implement SPINLOCK_LOCKVAL with inline assembly s390/smp: Implement raw_smp_processor_id() with inline assembly s390/current: Implement current with inline assembly s390/lowcore: Use inline qualifier for get_lowcore() inline assembly s390: Move s390 sysctls into their own file under arch/s390 s390/syscall: Simplify syscall_get_arguments() s390/vfio-ap: Notify userspace that guest's AP config changed when mdev removed s390: Remove ioremap_wt() and pgprot_writethrough() s390/mm: Add configurable STRICT_MM_TYPECHECKS s390/mm: Convert pgste_val() into function s390/mm: Convert pgprot_val() into function ...
2025-03-29Merge tag 'efi-next-for-v6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - Decouple mixed mode startup code from the traditional x86 decompressor - Revert zero-length file hack in efivarfs - Prevent EFI zboot from using the CopyMem/SetMem boot services after ExitBootServices() - Update EFI zboot to use the ZLIB/ZSTD library interfaces directly * tag 'efi-next-for-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi/libstub: Avoid legacy decompressor zlib/zstd wrappers efi/libstub: Avoid CopyMem/SetMem EFI services after ExitBootServices efi: efibc: change kmalloc(size * count, ...) to kmalloc_array() efivarfs: Revert "allow creation of zero length files" x86/efi/mixed: Move mixed mode startup code into libstub x86/efi/mixed: Simplify and document thunking logic x86/efi/mixed: Remove dependency on legacy startup_32 code x86/efi/mixed: Set up 1:1 mapping of lower 4GiB in the stub x86/efi/mixed: Factor out and clean up long mode entry x86/efi/mixed: Check CPU compatibility without relying on verify_cpu() x86/efistub: Merge PE and handover entrypoints
2025-03-29Merge tag 'v6.15-p1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Remove legacy compression interface - Improve scatterwalk API - Add request chaining to ahash and acomp - Add virtual address support to ahash and acomp - Add folio support to acomp - Remove NULL dst support from acomp Algorithms: - Library options are fuly hidden (selected by kernel users only) - Add Kerberos5 algorithms - Add VAES-based ctr(aes) on x86 - Ensure LZO respects output buffer length on compression - Remove obsolete SIMD fallback code path from arm/ghash-ce Drivers: - Add support for PCI device 0x1134 in ccp - Add support for rk3588's standalone TRNG in rockchip - Add Inside Secure SafeXcel EIP-93 crypto engine support in eip93 - Fix bugs in tegra uncovered by multi-threaded self-test - Fix corner cases in hisilicon/sec2 Others: - Add SG_MITER_LOCAL to sg miter - Convert ubifs, hibernate and xfrm_ipcomp from legacy API to acomp" * tag 'v6.15-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (187 commits) crypto: testmgr - Add multibuffer acomp testing crypto: acomp - Fix synchronous acomp chaining fallback crypto: testmgr - Add multibuffer hash testing crypto: hash - Fix synchronous ahash chaining fallback crypto: arm/ghash-ce - Remove SIMD fallback code path crypto: essiv - Replace memcpy() + NUL-termination with strscpy() crypto: api - Call crypto_alg_put in crypto_unregister_alg crypto: scompress - Fix incorrect stream freeing crypto: lib/chacha - remove unused arch-specific init support crypto: remove obsolete 'comp' compression API crypto: compress_null - drop obsolete 'comp' implementation crypto: cavium/zip - drop obsolete 'comp' implementation crypto: zstd - drop obsolete 'comp' implementation crypto: lzo - drop obsolete 'comp' implementation crypto: lzo-rle - drop obsolete 'comp' implementation crypto: lz4hc - drop obsolete 'comp' implementation crypto: lz4 - drop obsolete 'comp' implementation crypto: deflate - drop obsolete 'comp' implementation crypto: 842 - drop obsolete 'comp' implementation crypto: nx - Migrate to scomp API ...
2025-03-28Merge tag 'pci-v6.15-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci Pull pci updates from Bjorn Helgaas: "Enumeration: - Enable Configuration RRS SV, which makes device readiness visible, early instead of during child bus scanning (Bjorn Helgaas) - Log debug messages about reset methods being used (Bjorn Helgaas) - Avoid reset when it has been disabled via sysfs (Nishanth Aravamudan) - Add common pci-ep-bus.yaml schema for exporting several peripherals of a single PCI function via devicetree (Andrea della Porta) - Create DT nodes for PCI host bridges to enable loading device tree overlays to create platform devices for PCI devices that have several features that require multiple drivers (Herve Codina) Resource management: - Enlarge devres table[] to accommodate bridge windows, ROM, IOV BARs, etc., and validate BAR index in devres interfaces (Philipp Stanner) - Fix typo that repeatedly distributed resources to a bridge instead of iterating over subordinate bridges, which resulted in too little space to assign some BARs (Kai-Heng Feng) - Relax bridge window tail sizing for optional resources, e.g., IOV BARs, to avoid failures when removing and re-adding devices (Ilpo Järvinen) - Allow drivers to enable devices even if we haven't assigned optional IOV resources to them (Ilpo Järvinen) - Rework handling of optional resources (IOV BARs, ROMs) to reduce failures if we can't allocate them (Ilpo Järvinen) - Fix a NULL dereference in the SR-IOV VF creation error path (Shay Drory) - Fix s390 mmio_read/write syscalls, which didn't cause page faults in some cases, which broke vfio-pci lazy mapping on first access (Niklas Schnelle) - Add pdev->non_mappable_bars to replace CONFIG_VFIO_PCI_MMAP, which was disabled only for s390 (Niklas Schnelle) - Support mmap of PCI resources on s390 except for ISM devices (Niklas Schnelle) ASPM: - Delay pcie_link_state deallocation to avoid dangling pointers that cause invalid references during hot-unplug (Daniel Stodden) Power management: - Allow PCI bridges to go to D3Hot when suspending on all non-x86 systems (Manivannan Sadhasivam) Power control: - Create pwrctrl devices in pci_scan_device() to make it more symmetric with pci_pwrctrl_unregister() and make pwrctrl devices for PCI bridges possible (Manivannan Sadhasivam) - Unregister pwrctrl devices in pci_destroy_dev() so DOE, ASPM, etc. can still access devices after pci_stop_dev() (Manivannan Sadhasivam) - If there's a pwrctrl device for a PCI device, skip scanning it because the pwrctrl core will rescan the bus after the device is powered on (Manivannan Sadhasivam) - Add a pwrctrl driver for PCI slots based on voltage regulators described via devicetree (Manivannan Sadhasivam) Bandwidth control: - Add set_pcie_speed.sh to TEST_PROGS to fix issue when executing the set_pcie_cooling_state.sh test case (Yi Lai) - Avoid a NULL pointer dereference when we run out of bus numbers to assign for a bridge secondary bus (Lukas Wunner) Hotplug: - Drop superfluous pci_hotplug_slot_list, try_module_get() calls, and NULL pointer checks (Lukas Wunner) - Drop shpchp module init/exit logging, replace shpchp dbg() with ctrl_dbg(), and remove unused dbg(), err(), info(), warn() wrappers (Ilpo Järvinen) - Drop 'shpchp_debug' module parameter in favor of standard dynamic debugging (Ilpo Järvinen) - Drop unused cpcihp .get_power(), .set_power() function pointers (Guilherme Giacomo Simoes) - Disable hotplug interrupts in portdrv only when pciehp is not enabled to avoid issuing two hotplug commands too close together (Feng Tang) - Skip pciehp 'device replaced' check if the device has been removed to address a deadlock when resuming after a device was removed during system sleep (Lukas Wunner) - Don't enable pciehp hotplug interupt when resuming in poll mode (Ilpo Järvinen) Virtualization: - Fix bugs in 'pci=config_acs=' kernel command line parameter (Tushar Dave) DOE: - Expose supported DOE features via sysfs (Alistair Francis) - Allow DOE support to be enabled even if CXL isn't enabled (Alistair Francis) Endpoint framework: - Convert PCI device data so pci-epf-test works correctly on big-endian endpoint systems (Niklas Cassel) - Add BAR_RESIZABLE type to endpoint framework and add DWC core support for EPF drivers to set BAR_RESIZABLE type and size (Niklas Cassel) - Fix pci-epf-test double free that causes an oops if the host reboots and PERST# deassertion restarts endpoint BAR allocation (Christian Bruel) - Fix endpoint BAR testing so tests can skip disabled BARs instead of reporting them as failures (Niklas Cassel) - Widen endpoint test BAR size variable to accommodate BARs larger than INT_MAX (Niklas Cassel) - Remove unused tools 'pci' build target left over after moving tests to tools/testing/selftests/pci_endpoint (Jianfeng Liu) Altera PCIe controller driver: - Add DT binding and driver support for Agilex family (P-Tile, F-Tile, R-Tile) (Matthew Gerlach and D M, Sharath Kumar) AMD MDB PCIe controller driver: - Add DT binding and driver for AMD MDB (Multimedia DMA Bridge) (Thippeswamy Havalige) Broadcom STB PCIe controller driver: - Add BCM2712 MSI-X DT binding and interrupt controller drivers and add softdep on irq_bcm2712_mip driver to ensure that it is loaded first (Stanimir Varbanov) - Expand inbound window map to 64GB so it can accommodate BCM2712 (Stanimir Varbanov) - Add BCM2712 support and DT updates (Stanimir Varbanov) - Apply link speed restriction before bringing link up, not after (Jim Quinlan) - Update Max Link Speed in Link Capabilities via the internal writable register, not the read-only config register (Jim Quinlan) - Handle regulator_bulk_get() error to avoid panic when we call regulator_bulk_free() later (Jim Quinlan) - Disable regulators only when removing the bus immediately below a Root Port because we don't support regulators deeper in the hierarchy (Jim Quinlan) - Make const read-only arrays static (Colin Ian King) Cadence PCIe endpoint driver: - Correct MSG TLP generation so endpoints can generate INTx messages (Hans Zhang) Freescale i.MX6 PCIe controller driver: - Identify the second controller on i.MX8MQ based on devicetree 'linux,pci-domain' instead of DBI 'reg' address (Richard Zhu) - Remove imx_pcie_cpu_addr_fixup() since dwc core can now derive the ATU input address (using parent_bus_offset) from devicetree (Frank Li) Freescale Layerscape PCIe controller driver: - Drop deprecated 'num-ib-windows' and 'num-ob-windows' and unnecessary 'status' from example (Krzysztof Kozlowski) - Correct the syscon_regmap_lookup_by_phandle_args("fsl,pcie-scfg") arg_count to fix probe failure on LS1043A (Ioana Ciornei) HiSilicon STB PCIe controller driver: - Call phy_exit() to clean up if histb_pcie_probe() fails (Christophe JAILLET) Intel Gateway PCIe controller driver: - Remove intel_pcie_cpu_addr() since dwc core can now derive the ATU input address (using parent_bus_offset) from devicetree (Frank Li) Intel VMD host bridge driver: - Convert vmd_dev.cfg_lock from spinlock_t to raw_spinlock_t so pci_ops.read() will never sleep, even on PREEMPT_RT where spinlock_t becomes a sleepable lock, to avoid calling a sleeping function from invalid context (Ryo Takakura) MediaTek PCIe Gen3 controller driver: - Remove leftover mac_reset assert for Airoha EN7581 SoC (Lorenzo Bianconi) - Add EN7581 PBUS controller 'mediatek,pbus-csr' DT property and program host bridge memory aperture to this syscon node (Lorenzo Bianconi) Qualcomm PCIe controller driver: - Add qcom,pcie-ipq5332 binding (Varadarajan Narayanan) - Add qcom i.MX8QM and i.MX8QXP/DXP optional DMA interrupt (Alexander Stein) - Add optional dma-coherent DT property for Qualcomm SA8775P (Dmitry Baryshkov) - Make DT iommu property required for SA8775P and prohibited for SDX55 (Dmitry Baryshkov) - Add DT IOMMU and DMA-related properties for Qualcomm SM8450 (Dmitry Baryshkov) - Add endpoint DT properties for SAR2130P and enable endpoint mode in driver (Dmitry Baryshkov) - Describe endpoint BAR0 and BAR2 as 64-bit only and BAR1 and BAR3 as RESERVED (Manivannan Sadhasivam) Rockchip DesignWare PCIe controller driver: - Describe rk3568 and rk3588 BARs as Resizable, not Fixed (Niklas Cassel) Synopsys DesignWare PCIe controller driver: - Add debugfs-based Silicon Debug, Error Injection, Statistical Counter support for DWC (Shradha Todi) - Add debugfs property to expose LTSSM status of DWC PCIe link (Hans Zhang) - Add Rockchip support for DWC debugfs features (Niklas Cassel) - Add dw_pcie_parent_bus_offset() to look up the parent bus address of a specified 'reg' property and return the offset from the CPU physical address (Frank Li) - Use dw_pcie_parent_bus_offset() to derive CPU -> ATU addr offset via 'reg[config]' for host controllers and 'reg[addr_space]' for endpoint controllers (Frank Li) - Apply struct dw_pcie.parent_bus_offset in ATU users to remove use of .cpu_addr_fixup() when programming ATU (Frank Li) TI J721E PCIe driver: - Correct the 'link down' interrupt bit for J784S4 (Siddharth Vadapalli) TI Keystone PCIe controller driver: - Describe AM65x BARs 2 and 5 as Resizable (not Fixed) and reduce alignment requirement from 1MB to 64KB (Niklas Cassel) Xilinx Versal CPM PCIe controller driver: - Free IRQ domain in probe error path to avoid leaking it (Thippeswamy Havalige) - Add DT .compatible "xlnx,versal-cpm5nc-host" and driver support for Versal Net CPM5NC Root Port controller (Thippeswamy Havalige) - Add driver support for CPM5_HOST1 (Thippeswamy Havalige) Miscellaneous: - Convert fsl,mpc83xx-pcie binding to YAML (J. Neuschäfer) - Use for_each_available_child_of_node_scoped() to simplify apple, kirin, mediatek, mt7621, tegra drivers (Zhang Zekun)" * tag 'pci-v6.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (197 commits) PCI: layerscape: Fix arg_count to syscon_regmap_lookup_by_phandle_args() PCI: j721e: Fix the value of .linkdown_irq_regfield for J784S4 misc: pci_endpoint_test: Add support for PCITEST_IRQ_TYPE_AUTO PCI: endpoint: pci-epf-test: Expose supported IRQ types in CAPS register PCI: dw-rockchip: Endpoint mode cannot raise INTx interrupts PCI: endpoint: Add intx_capable to epc_features struct dt-bindings: PCI: Add common schema for devices accessible through PCI BARs PCI: intel-gw: Remove intel_pcie_cpu_addr() PCI: imx6: Remove imx_pcie_cpu_addr_fixup() PCI: dwc: Use parent_bus_offset to remove need for .cpu_addr_fixup() PCI: dwc: ep: Ensure proper iteration over outbound map windows PCI: dwc: ep: Use devicetree 'reg[addr_space]' to derive CPU -> ATU addr offset PCI: dwc: ep: Consolidate devicetree handling in dw_pcie_ep_get_resources() PCI: dwc: ep: Call epc_create() early in dw_pcie_ep_init() PCI: dwc: Use devicetree 'reg[config]' to derive CPU -> ATU addr offset PCI: dwc: Add dw_pcie_parent_bus_offset() checking and debug PCI: dwc: Add dw_pcie_parent_bus_offset() PCI/bwctrl: Fix NULL pointer dereference on bus number exhaustion PCI: xilinx-cpm: Add cpm_csr register mapping for CPM5_HOST1 variant PCI: brcmstb: Make const read-only arrays static ...
2025-03-28Merge tag 'drm-next-2025-03-28' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds
Pull drm updates from Dave Airlie: "Outside of drm there are some rust patches from Danilo who maintains that area in here, and some pieces for drm header check tests. The major things in here are a new driver supporting the touchbar displays on M1/M2, the nova-core stub driver which is just the vehicle for adding rust abstractions and start developing a real driver inside of. xe adds support for SVM with a non-driver specific SVM core abstraction that will hopefully be useful for other drivers, along with support for shrinking for TTM devices. I'm sure xe and AMD support new devices, but the pipeline depth on these things is hard to know what they end up being in the marketplace! uapi: - add mediatek tiled fourcc - add support for notifying userspace on device wedged new driver: - appletbdrm: support for Apple Touchbar displays on m1/m2 - nova-core: skeleton rust driver to develop nova inside off firmware: - add some rust firmware pieces rust: - add 'LocalModule' type alias component: - add helper to query bound status fbdev: - fbtft: remove access to page->index media: - cec: tda998x: import driver from drm dma-buf: - add fast path for single fence merging tests: - fix lockdep warnings atomic: - allow full modeset on connector changes - clarify semantics of allow_modeset and drm_atomic_helper_check - async-flip: support on arbitary planes - writeback: fix UAF - Document atomic-state history format-helper: - support ARGB8888 to ARGB4444 conversions buddy: - fix multi-root cleanup ci: - update IGT dp: - support extended wake timeout - mst: fix RAD to string conversion - increase DPCD eDP control CAP size to 5 bytes - add DPCD eDP v1.5 definition - add helpers for LTTPR transparent mode panic: - encode QR code according to Fido 2.2 scheduler: - add parameter struct for init - improve job peek/pop operations - optimise drm_sched_job struct layout ttm: - refactor pool allocation - add helpers for TTM shrinker panel-orientation: - add a bunch of new quirks panel: - convert panels to multi-style functions - edp: Add support for B140UAN04.4, BOE NV140FHM-NZ, CSW MNB601LS1-3, LG LP079QX1-SP0V, MNE007QS3-7, STA 116QHD024002, Starry 116KHD024006, Lenovo T14s Gen6 Snapdragon - himax-hx83102: Add support for CSOT PNA957QT1-1, Kingdisplay kd110n11-51ie, Starry 2082109qfh040022-50e - visionox-r66451: use multi-style MIPI-DSI functions - raydium-rm67200: Add driver for Raydium RM67200 - simple: Add support for BOE AV123Z7M-N17, BOE AV123Z7M-N17 - sony-td4353-jdi: Use MIPI-DSI multi-func interface - summit: Add driver for Apple Summit display panel - visionox-rm692e5: Add driver for Visionox RM692E5 bridge: - pass full atomic state to various callbacks - adv7511: Report correct capabilities - it6505: Fix HDCP V compare - snd65dsi86: fix device IDs - nwl-dsi: set bridge type - ti-sn65si83: add error recovery and set bridge type - synopsys: add HDMI audio support xe: - support device-wedged event - add mmap support for PCI memory barrier - perf pmu integration and expose per-engien activity - add EU stall sampling support - GPU SVM and Xe SVM implementation - use TTM shrinker - add survivability mode to allow the driver to do firmware updates in critical failure states - PXP HWDRM support for MTL and LNL - expose package/vram temps over hwmon - enable DP tunneling - drop mmio_ext abstraction - Reject BO evcition if BO is bound to current VM - Xe suballocator improvements - re-use display vmas when possible - add GuC Buffer Cache abstraction - PCI ID update for Panther Lake and Battlemage - Enable SRIOV for Panther Lake - Refactor VRAM manager location i915: - enable extends wake timeout - support device-wedged event - Enable DP 128b/132b SST DSC - FBC dirty rectangle support for display version 30+ - convert i915/xe to drm client setup - Compute HDMI PLLS for rates not in fixed tables - Allow DSB usage when PSR is enabled on LNL+ - Enable panel replay without full modeset - Enable async flips with compressed buffers on ICL+ - support luminance based brightness via DPCD for eDP - enable VRR enable/disable without full modeset - allow GuC SLPC default strategies on MTL+ for performance - lots of display refactoring in move to struct intel_display amdgpu: - add device wedged event - support async page flips on overlay planes - enable broadcast RGB drm property - add info ioctl for virt mode - OEM i2c support for RGB lights - GC 11.5.2 + 11.5.3 support - SDMA 6.1.3 support - NBIO 7.9.1 + 7.11.2 support - MMHUB 1.8.1 + 3.3.2 support - DCN 3.6.0 support - Add dynamic workload profile switching for GC 10-12 - support larger VBIOS sizes - Mark gttsize parameters as deprecated - Initial JPEG queue resset support amdkfd: - add KFD per process flags for setting precision - sync pasid values between KGD and KFD - improve GTT/VRAM handling for APUs - fix user queue validation on GC7/8 - SDMA queue reset support raedeon: - rs400 hyperz fix i2c: - td998x: drop platform_data, split driver into media and bridge ast: - transmitter chip detection refactoring - vbios display mode refactoring - astdp: fix connection status and filter unsupported modes - cursor handling refactoring imagination: - check job dependencies with sched helper ivpu: - improve command queue handling - use workqueue for IRQ handling - add support HW fault injection - locking fixes mgag200: - add support for G200eH5 msm: - dpu: add concurrent writeback support for DPU 10.x+ - use LTTPR helpers - GPU: - Fix obscure GMU suspend failure - Expose syncobj timeline support - Extend GPU devcoredump with pagetable info - a623 support - Fix a6xx gen1/gen2 indexed-register blocks in gpu snapshot / devcoredump - Display: - Add cpu-cfg interconnect paths on SM8560 and SM8650 - Introduce KMS OMMU fault handler, causing devcoredump snapshot - Fixed error pointer dereference in msm_kms_init_aspace() - DPU: - Fix mode_changing handling - Add writeback support on SM6150 (QCS615) - Fix DSC programming in 1:1:1 topology - Reworked hardware resource allocation, moving it to the CRTC code - Enabled support for Concurrent WriteBack (CWB) on SM8650 - Enabled CDM blocks on all relevant platforms - Reworked debugfs interface for BW/clocks debugging - Clear perf params before calculating bw - Support YUV formats on writeback - Fixed double inclusion - Fixed writeback in YUV formats when using cloned output, Dropped wb2_formats_rgb - Corrected dpu_crtc_check_mode_changed and struct dpu_encoder_virt kerneldocs - Fixed uninitialized variable in dpu_crtc_kickoff_clone_mode() - DSI: - DSC-related fixes - Rework clock programming - DSI PHY: - Fix 7nm (and lower) PHY programming - Add proper DT schema definitions for DSI PHY clocks - HDMI: - Rework the driver, enabling the use of the HDMI Connector framework - Bindings: - Added eDP PHY on SA8775P nouveau: - move drm_slave_encoder interface into driver - nvkm: refactor GSP RPC - use LTTPR helpers mediatek: - HDMI fixup and refinement - add MT8188 dsc compatible - MT8365 SoC support panthor: - Expose sizes of intenral BOs via fdinfo - Fix race between reset and suspend - Improve locking qaic: - Add support for AIC200 renesas: - Fix limits in DT bindings rockchip: - support rk3562-mali - rk3576: Add HDMI support - vop2: Add new display modes on RK3588 HDMI0 up to 4K - Don't change HDMI reference clock rate - Fix DT bindings - analogix_dp: add eDP support - fix shutodnw solomon: - Set SPI device table to silence warnings - Fix pixel and scanline encoding v3d: - handle clock vc4: - Use drm_exec - Use dma-resv for wait-BO ioctl - Remove seqno infrastructure virtgpu: - Support partial mappings of GEM objects - Reserve VGA resources during initialization - Fix UAF in virtgpu_dma_buf_free_obj() - Add panic support vkms: - Switch to a managed modesetting pipeline - Add support for ARGB8888 - fix UAf xlnx: - Set correct DMA segment size - use mutex guards - Fix error handling - Fix docs" * tag 'drm-next-2025-03-28' of https://gitlab.freedesktop.org/drm/kernel: (1762 commits) drm/amd/pm: Update feature list for smu_v13_0_6 drm/amdgpu: Add parameter documentation for amdgpu_sync_fence drm/amdgpu/discovery: optionally use fw based ip discovery drm/amdgpu/discovery: use specific ip_discovery.bin for legacy asics drm/amdgpu/discovery: check ip_discovery fw file available drm/amd/pm: Remove unnecessay UQ10 to UINT conversion drm/amd/pm: Remove unnecessay UQ10 to UINT conversion drm/amdgpu/sdma_v4_4_2: update VM flush implementation for SDMA drm/amdgpu: Optimize VM invalidation engine allocation and synchronize GPU TLB flush drm/amd/amdgpu: Increase max rings to enable SDMA page ring drm/amdgpu: Decode deferred error type in gfx aca bank parser drm/amdgpu/gfx11: Add Cleaner Shader Support for GFX11.5 GPUs drm/amdgpu/mes: clean up SDMA HQD loop drm/amdgpu/mes: enable compute pipes across all MEC drm/amdgpu/mes: drop MES 10.x leftovers drm/amdgpu/mes: optimize compute loop handling drm/amdgpu/sdma: guilty tracking is per instance drm/amdgpu/sdma: fix engine reset handling drm/amdgpu: remove invalid usage of sched.ready drm/amdgpu: add cleaner shader trace point ...
2025-03-28x86/tools: Drop duplicate unlikely() definition in insn_decoder_test.cNathan Chancellor
After commit c104c16073b7 ("Kunit to check the longest symbol length"), there is a warning when building with clang because there is now a definition of unlikely from compiler.h in tools/include/linux, which conflicts with the one in the instruction decoder selftest: arch/x86/tools/insn_decoder_test.c:15:9: warning: 'unlikely' macro redefined [-Wmacro-redefined] Remove the second unlikely() definition, as it is no longer necessary, clearing up the warning. Fixes: c104c16073b7 ("Kunit to check the longest symbol length") Signed-off-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/r/20250318-x86-decoder-test-fix-unlikely-redef-v1-1-74c84a7bf05b@kernel.org
2025-03-28x86/uaccess: Improve performance by aligning writes to 8 bytes in ↵Herton R. Krzesinski
copy_user_generic(), on non-FSRM/ERMS CPUs History of the performance regression: ====================================== Since the following series of user copy updates were merged upstream ~2 years ago via: a5624566431d ("Merge branch 'x86-rep-insns': x86 user copy clarifications") .. copy_user_generic() on x86_64 stopped doing alignment of the writes to the destination to a 8 byte boundary for the non FSRM case. Previously, this was done through the ALIGN_DESTINATION macro that was used in the now removed copy_user_generic_unrolled function. Turns out this change causes some loss of performance/throughput on some use cases and specific CPU/platforms without FSRM and ERMS. Lately I got two reports of performance/throughput issues after a RHEL 9 kernel pulled the same upstream series with updates to user copy functions. Both reports consisted of running specific networking/TCP related testing using iperf3. Partial upstream fix ==================== The first report was related to a Linux Bridge testing using VMs on a specific machine with an AMD CPU (EPYC 7402), and after a brief investigation it turned out that the later change via: ca96b162bfd2 ("x86: bring back rep movsq for user access on CPUs without ERMS") ... helped/fixed the performance issue. However, after the later commit/fix was applied, then I got another regression reported in a multistream TCP test on a 100Gbit mlx5 nic, also running on an AMD based platform (AMD EPYC 7302 CPU), again that was using iperf3 to run the test. That regression was after applying the later fix/commit, but only this didn't help in telling the whole history. Testing performed to pinpoint residual regression ================================================= So I narrowed down the second regression use case, but running it without traffic through a NIC, on localhost, in trying to narrow down CPU usage and not being limited by other factor like network bandwidth. I used another system also with an AMD CPU (AMD EPYC 7742). Basically, I run iperf3 in server and client mode in the same system, for example: - Start the server binding it to CPU core/thread 19: $ taskset -c 19 iperf3 -D -s -B 127.0.0.1 -p 12000 - Start the client always binding/running on CPU core/thread 17, using perf to get statistics: $ perf stat -o stat.txt taskset -c 17 iperf3 -c 127.0.0.1 -b 0/1000 -V \ -n 50G --repeating-payload -l 16384 -p 12000 --cport 12001 2>&1 \ > stat-19.txt For the client, always running/pinned to CPU 17. But for the iperf3 in server mode, I did test runs using CPUs 19, 21, 23 or not pinned to any specific CPU. So it basically consisted with four runs of the same commands, just changing the CPU which the server is pinned, or without pinning by removing the taskset call before the server command. The CPUs were chosen based on NUMA node they were on, this is the relevant output of lscpu on the system: $ lscpu ... Model name: AMD EPYC 7742 64-Core Processor ... Caches (sum of all): L1d: 2 MiB (64 instances) L1i: 2 MiB (64 instances) L2: 32 MiB (64 instances) L3: 256 MiB (16 instances) NUMA: NUMA node(s): 4 NUMA node0 CPU(s): 0,1,8,9,16,17,24,25,32,33,40,41,48,49,56,57,64,65,72,73,80,81,88,89,96,97,104,105,112,113,120,121 NUMA node1 CPU(s): 2,3,10,11,18,19,26,27,34,35,42,43,50,51,58,59,66,67,74,75,82,83,90,91,98,99,106,107,114,115,122,123 NUMA node2 CPU(s): 4,5,12,13,20,21,28,29,36,37,44,45,52,53,60,61,68,69,76,77,84,85,92,93,100,101,108,109,116,117,124,125 NUMA node3 CPU(s): 6,7,14,15,22,23,30,31,38,39,46,47,54,55,62,63,70,71,78,79,86,87,94,95,102,103,110,111,118,119,126,127 ... So for the server run, when picking a CPU, I chose CPUs to be not on the same node. The reason is with that I was able to get/measure relevant performance differences when changing the alignment of the writes to the destination in copy_user_generic. Testing shows up to +81% performance improvement under iperf3 ============================================================= Here's a summary of the iperf3 runs: # Vanilla upstream alignment: CPU RATE SYS TIME sender-receiver Server bind 19: 13.0Gbits/sec 28.371851000 33.233499566 86.9%-70.8% Server bind 21: 12.9Gbits/sec 28.283381000 33.586486621 85.8%-69.9% Server bind 23: 11.1Gbits/sec 33.660190000 39.012243176 87.7%-64.5% Server bind none: 18.9Gbits/sec 19.215339000 22.875117865 86.0%-80.5% # With the attached patch (aligning writes in non ERMS/FSRM case): CPU RATE SYS TIME sender-receiver Server bind 19: 20.8Gbits/sec 14.897284000 20.811101382 75.7%-89.0% Server bind 21: 20.4Gbits/sec 15.205055000 21.263165909 75.4%-89.7% Server bind 23: 20.2Gbits/sec 15.433801000 21.456175000 75.5%-89.8% Server bind none: 26.1Gbits/sec 12.534022000 16.632447315 79.8%-89.6% So I consistently got better results when aligning the write. The results above were run on 6.14.0-rc6/rc7 based kernels. The sys is sys time and then the total time to run/transfer 50G of data. The last field is the CPU usage of sender/receiver iperf3 process. It's also worth to note that each pair of iperf3 runs may get slightly different results on each run, but I always got consistent higher results with the write alignment for this specific test of running the processes on CPUs in different NUMA nodes. Linus Torvalds helped/provided this version of the patch. Initially I proposed a version which aligned writes for all cases in rep_movs_alternative, however it used two extra registers and thus Linus provided an enhanced version that only aligns the write on the large_movsq case, which is sufficient since the problem happens only on those AMD CPUs like ones mentioned above without ERMS/FSRM, and also doesn't require using extra registers. Also, I validated that aligning only on large_movsq case is really enough for getting the performance back. I also tested this patch on an old Intel based non-ERMS/FRMS system (with Xeon E5-2667 - Sandy Bridge based) and didn't get any problems: no performance enhancement but also no regression either, using the same iperf3 based benchmark. Also newer Intel processors after Sandy Bridge usually have ERMS and should not be affected by this change. [ mingo: Updated the changelog. ] Fixes: ca96b162bfd2 ("x86: bring back rep movsq for user access on CPUs without ERMS") Fixes: 034ff37d3407 ("x86: rewrite '__copy_user_nocache' function") Reported-by: Ondrej Lichtner <olichtne@redhat.com> Co-developed-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Herton R. Krzesinski <herton@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20250320142213.2623518-1-herton@redhat.com
2025-03-28Merge tag 'crc-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux Pull CRC fixes from Eric Biggers: "Fix out-of-scope array bugs in arm and arm64's crc_t10dif_arch()" * tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: arm64/crc-t10dif: fix use of out-of-scope array in crc_t10dif_arch() arm/crc-t10dif: fix use of out-of-scope array in crc_t10dif_arch()
2025-03-28arm64: Add support for HIP09 Spectre-BHB mitigationJinqian Yang
The HIP09 processor is vulnerable to the Spectre-BHB (Branch History Buffer) attack, which can be exploited to leak information through branch prediction side channels. This commit adds the MIDR of HIP09 to the list for software mitigation. Signed-off-by: Jinqian Yang <yangjinqian1@huawei.com> Link: https://lore.kernel.org/r/20250325141900.2057314-1-yangjinqian1@huawei.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2025-03-28arm64: mm: Drop dead code for pud special bit handlingPeter Xu
Keith Busch observed some incorrect macros defined in arm64 code [1]. It turns out the two lines should never be needed and won't be exposed to anyone, because aarch64 doesn't select HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD, hence ARCH_SUPPORTS_PUD_PFNMAP is always N. The only archs that support THP PUDs so far are x86 and powerpc. Instead of fixing the lines (with no way to test it..), remove the two lines that are in reality dead code, to avoid confusing readers. Fixes tag is attached to reflect where the wrong macros were introduced, but explicitly not copying stable, because there's no real issue to be fixed. So it's only about removing the dead code so far. [1] https://lore.kernel.org/all/Z9tDjOk-JdV_fCY4@kbusch-mbp.dhcp.thefacebook.com/#t Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Donald Dutile <ddutile@redhat.com> Cc: Will Deacon <will@kernel.org> Fixes: 3e509c9b03f9 ("mm/arm64: support large pfn mappings") Reported-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Donald Dutile <ddutile@redhat.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Link: https://lore.kernel.org/r/20250320183405.12659-1-peterx@redhat.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2025-03-28arm64: mops: Do not dereference src reg for a set operationKeir Fraser
The source register is not used for SET* and reading it can result in a UBSAN out-of-bounds array access error, specifically when the MOPS exception is taken from a SET* sequence with XZR (reg 31) as the source. Architecturally this is the only case where a src/dst/size field in the ESR can be reported as 31. Prior to 2de451a329cf662b the code in do_el0_mops() was benign as the use of pt_regs_read_reg() prevented the out-of-bounds access. Fixes: 2de451a329cf ("KVM: arm64: Add handler for MOPS exceptions") Cc: <stable@vger.kernel.org> # 6.12.x Cc: Kristina Martsenko <kristina.martsenko@arm.com> Cc: Will Deacon <will@kernel.org> Cc: stable@vger.kernel.org Reviewed-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Keir Fraser <keirf@google.com> Reviewed-by: Kristina Martšenko <kristina.martsenko@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/20250326110448.3792396-1-keirf@google.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2025-03-28arm64: mm: Correct the update of max_pfnZhenhua Huang
Hotplugged memory can be smaller than the original memory. For example, on my target: root@genericarmv8:~# cat /sys/kernel/debug/memblock/memory 0: 0x0000000064005000..0x0000000064023fff 0 NOMAP 1: 0x0000000064400000..0x00000000647fffff 0 NOMAP 2: 0x0000000068000000..0x000000006fffffff 0 DRV_MNG 3: 0x0000000088800000..0x0000000094ffefff 0 NONE 4: 0x0000000094fff000..0x0000000094ffffff 0 NOMAP max_pfn will affect read_page_owner. Therefore, it should first compare and then select the larger value for max_pfn. Fixes: 8fac67ca236b ("arm64: mm: update max_pfn after memory hotplug") Cc: <stable@vger.kernel.org> # 6.1.x Signed-off-by: Zhenhua Huang <quic_zhenhuah@quicinc.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Link: https://lore.kernel.org/r/20250321070019.1271859-1-quic_zhenhuah@quicinc.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2025-03-28x86/microcode/AMD: Fix __apply_microcode_amd()'s return valueBoris Ostrovsky
When verify_sha256_digest() fails, __apply_microcode_amd() should propagate the failure by returning false (and not -1 which is promoted to true). Fixes: 50cef76d5cb0 ("x86/microcode/AMD: Load only SHA256-checksummed patches") Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20250327230503.1850368-2-boris.ostrovsky@oracle.com
2025-03-27Merge tag 'm68knommu-for-v6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu updates from Greg Ungerer: - remove unused include of linux/fb.h - use strscpy() instead of strncpy() * tag 'm68knommu-for-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: mm: Replace deprecated strncpy() with strscpy() m68k: Do not include <linux/fb.h>
2025-03-27Merge tag 'powerpc-6.15-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Madhavan Srinivasan: - Remove support for IBM Cell Blades - SMP support for microwatt platform - Support for inline static calls on PPC32 - Enable pmu selftests for power11 platform - Enable hardware trace macro (HTM) hcall support - Support for limited address mode capability - Changes to RMA size from 512 MB to 768 MB to handle fadump - Misc fixes and cleanups Thanks to Abhishek Dubey, Amit Machhiwal, Andreas Schwab, Arnd Bergmann, Athira Rajeev, Avnish Chouhan, Christophe Leroy, Disha Goel, Donet Tom, Gaurav Batra, Gautam Menghani, Hari Bathini, Kajol Jain, Kees Cook, Mahesh Salgaonkar, Michael Ellerman, Paul Mackerras, Ritesh Harjani (IBM), Sathvika Vasireddy, Segher Boessenkool, Sourabh Jain, Vaibhav Jain, and Venkat Rao Bagalkote. * tag 'powerpc-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (61 commits) powerpc/kexec: fix physical address calculation in clear_utlb_entry() crypto: powerpc: Mark ghashp8-ppc.o as an OBJECT_FILES_NON_STANDARD powerpc: Fix 'intra_function_call not a direct call' warning powerpc/perf: Fix ref-counting on the PMU 'vpa_pmu' KVM: PPC: Enable CAP_SPAPR_TCE_VFIO on pSeries KVM guests powerpc/prom_init: Fixup missing #size-cells on PowerBook6,7 powerpc/microwatt: Add SMP support powerpc: Define config option for processors with broadcast TLBIE powerpc/microwatt: Define an idle power-save function powerpc/microwatt: Device-tree updates powerpc/microwatt: Select COMMON_CLK in order to get the clock framework net: toshiba: Remove reference to PPC_IBM_CELL_BLADE net: spider_net: Remove powerpc Cell driver cpufreq: ppc_cbe: Remove powerpc Cell driver genirq: Remove IRQ_EDGE_EOI_HANDLER docs: Remove reference to removed CBE_CPUFREQ_SPU_GOVERNOR powerpc: Remove UDBG_RTAS_CONSOLE powerpc/io: Use standard barrier macros in io.c powerpc/io: Rename _insw_ns() etc. powerpc/io: Use generic raw accessors ...
2025-03-27Merge tag 'linux_kselftest-kunit-6.15-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kunit updates from Shuah Khan: "kunit tool: - Changes to kunit tool to use qboot on QEMU x86_64, and build GDB scripts - Fixes kunit tool bug in parsing test plan - Adds test to kunit tool to check parsing late test plan kunit: - Clarifies kunit_skip() argument name - Adds Kunit check for the longest symbol length - Changes qemu_configs for sparc to use Zilog console" * tag 'linux_kselftest-kunit-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: tool: add test to check parsing late test plan kunit: tool: Fix bug in parsing test plan Kunit to check the longest symbol length kunit: Clarify kunit_skip() argument name kunit: tool: Build GDB scripts kunit: qemu_configs: sparc: use Zilog console kunit: tool: Use qboot on QEMU x86_64
2025-03-27Merge tag 'trace-sorttable-v6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing / sorttable updates from Steven Rostedt: - Implement arm64 build time sorting of the mcount location table When gcc is used to build arm64, the mcount_loc section is all zeros in the vmlinux elf file. The addresses are stored in the Elf_Rela location. To sort at build time, an array is allocated and the addresses are added to it via the content of the mcount_loc section as well as he Elf_Rela data. After sorting, the information is put back into the Elf_Rela which now has the section sorted. - Make sorting of mcount location table for arm64 work with clang as well When clang is used, the mcount_loc section contains the addresses, unlike the gcc build. An array is still created and the sorting works for both methods. - Remove weak functions from the mcount_loc section Have the sorttable code pass in the data of functions defined via 'nm -S' which shows the functions as well as their sizes. Using this information the sorttable code can determine if a function in the mcount_loc section was weak and overridden. If the function is not found, it is set to be zero. On boot, when the mcount_loc section is read and the ftrace table is created, if the address in the mcount_loc is not in the kernel core text then it is removed and not added to the ftrace_filter_functions (the functions that can be attached by ftrace callbacks). - Update and fix the reporting of how much data is used for ftrace functions On boot, a report of how many pages were used by the ftrace table as well as how they were grouped (the table holds a list of sections that are groups of pages that were able to be allocated). The removing of the weak functions required the accounting to be updated. * tag 'trace-sorttable-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: scripts/sorttable: Allow matches to functions before function entry scripts/sorttable: Use normal sort if theres no relocs in the mcount section ftrace: Check against is_kernel_text() instead of kaslr_offset() ftrace: Test mcount_loc addr before calling ftrace_call_addr() ftrace: Have ftrace pages output reflect freed pages ftrace: Update the mcount_loc check of skipped entries scripts/sorttable: Zero out weak functions in mcount_loc table scripts/sorttable: Always use an array for the mcount_loc sorting scripts/sorttable: Have mcount rela sort use direct values arm64: scripts/sorttable: Implement sorting mcount_loc at boot for arm64
2025-03-27Merge tag 'asm-generic-6.15-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic updates from Arnd Bergmann: "This is mainly set of cleanups of asm-generic/io.h, resolving problems with inconsistent semantics of ioread64/iowrite64 that were causing runtime and build issues. The "GENERIC_IOMAP" version that switches between inb()/outb() and readb()/writeb() style accessors is now only used on architectures that have PC-style ISA devices that are not memory mapped (x86, uml, m68k-q40 and powerpc-powernv), while alpha and parisc use a more complicated variant and everything else just maps the ioread interfaces to plan MMIO (readb/writeb etc). In addition there are two small changes from Raag Jadav to simplify the asm-generic/io.h indirect inclusions and from Jann Horn to fix a corner case with read_word_at_a_time" * tag 'asm-generic-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: rwonce: fix crash by removing READ_ONCE() for unaligned read rwonce: handle KCSAN like KASAN in read_word_at_a_time() m68k: coldfire: select PCI_IOMAP for PCI mips: export pci_iounmap() mips: fix PCI_IOBASE definition m68k/nommu: stop using GENERIC_IOMAP mips: drop GENERIC_IOMAP wrapper powerpc: asm/io.h: remove split ioread64/iowrite64 helpers parisc: stop using asm-generic/iomap.h sh: remove duplicate ioread/iowrite helpers alpha: stop using asm-generic/iomap.h io.h: drop unused headers drm/draw: include missing headers asm-generic/io.h: rework split ioread64/iowrite64 helpers
2025-03-27Merge tag 'soc-arm-6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC arm platform updates from Arnd Bergmann: "The at91 platform gains support for SAMA7D65, a new variant of the Cortex-A7 based SAMA7G5 with a graphics output. The i.MX, Renesas and davinci platforms each get one minor bugfix" * tag 'soc-arm-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: ARM: davinci: always enable CONFIG_ARCH_DAVINCI_DA850 ARM: imx: mark imx53_suspend_sz as unused ARM: at91: pm: Enable ULP0/ULP1 for SAMA7D65 ARM: at91: pm: Add Backup mode for SAMA7D65 ARM: at91: pm: add DT compatible support for sama7d65 ARM: at91: pm: fix at91_suspend_finish for ZQ calibration dt-bindings: ARM: at91: add Calao USB boards dt-bindings: ARM: at91: make separate entry for Olimex board ARM: at91: Add Support in SoC driver for SAMA7D65 dt-bindings: atmel-sysreg: Add SAMA7D65 Chip ID ARM: shmobile: rcar-gen2: Remove CMA reservation code
2025-03-27Merge tag 'soc-defconfig-6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC defconfig updates from Arnd Bergmann: "A small set of updates for the arm64 defconfig to enable more drivers, plus a bit for housekeeping on some of the arm32 defconfigs on particular SoC families" * tag 'soc-defconfig-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: arm: defconfig: drop RT_GROUP_SCHED=y from bcm2835/tegra/omap2plus arm64: defconfig: Enable USB retimer and redriver arm64: defconfig: Build NSS Clock Controller driver for IPQ9574 arm64: defconfig: Enable SPI NAND flashes arm64: defconfig: Enable Synopsys HDMI receiver arm64: defconfig: Enable Rockchip UFS host driver arm64: defconfig: enable Qualcomm IRIS & VIDEOCC_8550 as module arm64: defconfig: Enable HSR protocol driver arm64: defconfig: Enable gb_beagleplay arm64: defconfig: enable DRM_DISPLAY_CONNECTOR as a module arm64: defconfig: Enable Qualcomm QCM2290 GPU clock controller ARM: shmobile: defconfig: Supplement DTB with ATAG information
2025-03-27Merge tag 'soc-drivers-6.15-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC driver updates from Arnd Bergmann: "These are the updates for SoC specific drivers and related subsystems: - Firmware driver updates for SCMI, FF-A and SMCCC firmware interfaces, adding support for additional firmware features including SoC identification and FF-A SRI callbacks as well as various bugfixes - Memory controller updates for Nvidia and Mediatek - Reset controller support for microchip sam9x7 and imx8qxp/imx8qm - New hardware support for multiple Mediatek, Renesas and Samsung Exynos chips - Minor updates on Zynq, Qualcomm, Amlogic, TI, Samsung, Nvidia and Apple chips There will be a follow up with a few more driver updates that are still causing build regressions at the moment" * tag 'soc-drivers-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (97 commits) irqchip: Add support for Amlogic A4 and A5 SoCs dt-bindings: interrupt-controller: Add support for Amlogic A4 and A5 SoCs reset: imx: fix incorrect module device table dt-bindings: power: qcom,kpss-acc-v2: add qcom,msm8916-acc compatible bus: qcom-ssc-block-bus: Fix the error handling path of qcom_ssc_block_bus_probe() bus: qcom-ssc-block-bus: Remove some duplicated iounmap() calls soc: qcom: pd-mapper: Add support for SDM630/636 reset: imx: Add SCU reset driver for i.MX8QXP and i.MX8QM dt-bindings: firmware: imx: add property reset-controller dt-bindings: reset: atmel,at91sam9260-reset: add sam9x7 memory: mtk-smi: Add ostd setting for mt8192 dt-bindings: soc: samsung: exynos-usi: Drop unnecessary status from example firmware: tegra: bpmp: Fix typo in bpmp-abi.h soc/tegra: pmc: Use str_enable_disable-like helpers soc: samsung: include linux/array_size.h where needed firmware: arm_scmi: use ioread64() instead of ioread64_hi_lo() soc: mediatek: mtk-socinfo: Add extra entry for MT8395AV/ZA Genio 1200 soc: mediatek: mt8188-mmsys: Add support for DSC on VDO0 soc: mediatek: mmsys: Migrate all tables to MMSYS_ROUTE() macro soc: mediatek: mt8365-mmsys: Fix routing table masks and values ...
2025-03-27Merge tag 'soc-dt-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds
Pull SoC devicetree updates from Arnd Bergmann: "There is new support for additional on-chip devices on Apple, Mediatek, Renesas, Rockchip, Samsung, Google, TI, ST, Nvidia and Amlogic devices. The Arm Morello reference platform gets a devicetree for booting in normal aarch64 mode. The hardware supports experimental CHERI support, which requires a modified kernel. The AMD (formerly Xilinx) Versal NET SoC gets added, this is a combined FPGA with Cortex-A78 CPUs in a SoC. Six new ST STM32MP2 SoC variants are added. Like the earlier STM32MP25, the MP211, MP213, MP215, MP231, MP233 and MP235 models are based on one or two Cortex-A35 cores but each feature a different set of I/O devices. Mediatek MT8370 is a minor variation of MT8390 with fewer CPU and GPU cores Apple T2 is the baseboard management controller on earlier Intel CPU based Macs, with 16 models now gaining initial support. All the above come with dts files for the reference boards. In addition, these boards are added for the SoCs that are already supported: - The Milk-V Jupiter board based on SpacemiT K1/M1 - NetCube Systems Kumquat board based on the 32-bit Allwinner V3s SoC - Three boards based on 32-bit stm32mp1 - 11 distinct board variants from Toradex and one from Variscite, all based on i.MX6 - Google Pixel Pro 6 phone based on gs101 (Tensor) - Three additional variants of the i.MX8MP based "Skov" board - A second variant of the i.MX95 EVK board - Two boards based on Renesas SoCs - Four boards based the Rockchip RK35xx series, plus the RK3588 'MNT Reform 2' laptop" * tag 'soc-dt-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (538 commits) arm64: dts: Add gpio_intc node for Amlogic A5 SoCs arm64: dts: Add gpio_intc node for Amlogic A4 SoCs arm64: dts: hi3660: Add property for fixing CPUIdle arm64: dts: rockchip: remove ethm0_clk0_25m_out from Sige5 gmac0 arm64: dts: marvell: Use preferred node names for "simple-bus" arm64: dts: marvell: Drop unused CP11X_TYPE define arm64: dts: marvell: Move arch timer and pmu nodes to top-level arm64: dts: rockchip: Fix PWM pinctrl names arm64: dts: rockchip: fix RK3576 SCMI clock IDs dt-bindings: clock: rk3576: add SCMI clocks arm64: dts: rockchip: Fix pcie reset gpio on Orange Pi 5 Max arm64: dts: amd/seattle: Drop undocumented "spi-controller" properties arm64: dts: amd/seattle: Fix bus, mmc, and ethernet node names arm64: dts: amd/seattle: Move and simplify fixed clocks arm64: dts: amd/seattle: Base Overdrive B1 on top of B0 version arm64: dts: rockchip: Enable HDMI audio output for ArmSoM Sige7 arm64: dts: rockchip: Enable onboard eMMC on Radxa E20C arm64: dts: rockchip: Add SDHCI controller for RK3528 arm64: dts: rockchip: Remove bluetooth node from rock-3a arm64: dts: rockchip: Move rk356x scmi SHMEM to reserved memory ...
2025-03-26Merge tag 'net-next-6.15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core & protocols: - Continue Netlink conversions to per-namespace RTNL lock (IPv4 routing, routing rules, routing next hops, ARP ioctls) - Continue extending the use of netdev instance locks. As a driver opt-in protect queue operations and (in due course) ethtool operations with the instance lock and not RTNL lock. - Support collecting TCP timestamps (data submitted, sent, acked) in BPF, allowing for transparent (to the application) and lower overhead tracking of TCP RPC performance. - Tweak existing networking Rx zero-copy infra to support zero-copy Rx via io_uring. - Optimize MPTCP performance in single subflow mode by 29%. - Enable GRO on packets which went thru XDP CPU redirect (were queued for processing on a different CPU). Improving TCP stream performance up to 2x. - Improve performance of contended connect() by 200% by searching for an available 4-tuple under RCU rather than a spin lock. Bring an additional 229% improvement by tweaking hash distribution. - Avoid unconditionally touching sk_tsflags on RX, improving performance under UDP flood by as much as 10%. - Avoid skb_clone() dance in ping_rcv() to improve performance under ping flood. - Avoid FIB lookup in netfilter if socket is available, 20% perf win. - Rework network device creation (in-kernel) API to more clearly identify network namespaces and their roles. There are up to 4 namespace roles but we used to have just 2 netns pointer arguments, interpreted differently based on context. - Use sysfs_break_active_protection() instead of trylock to avoid deadlocks between unregistering objects and sysfs access. - Add a new sysctl and sockopt for capping max retransmit timeout in TCP. - Support masking port and DSCP in routing rule matches. - Support dumping IPv4 multicast addresses with RTM_GETMULTICAST. - Support specifying at what time packet should be sent on AF_XDP sockets. - Expose TCP ULP diagnostic info (for TLS and MPTCP) to non-admin users. - Add Netlink YAML spec for WiFi (nl80211) and conntrack. - Introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() for symbols which only need to be exported when IPv6 support is built as a module. - Age FDB entries based on Rx not Tx traffic in VxLAN, similar to normal bridging. - Allow users to specify source port range for GENEVE tunnels. - netconsole: allow attaching kernel release, CPU ID and task name to messages as metadata Driver API: - Continue rework / fixing of Energy Efficient Ethernet (EEE) across the SW layers. Delegate the responsibilities to phylink where possible. Improve its handling in phylib. - Support symmetric OR-XOR RSS hashing algorithm. - Support tracking and preserving IRQ affinity by NAPI itself. - Support loopback mode speed selection for interface selftests. Device drivers: - Remove the IBM LCS driver for s390 - Remove the sb1000 cable modem driver - Add support for SFP module access over SMBus - Add MCTP transport driver for MCTP-over-USB - Enable XDP metadata support in multiple drivers - Ethernet high-speed NICs: - Broadcom (bnxt): - add PCIe TLP Processing Hints (TPH) support for new AMD platforms - support dumping RoCE queue state for debug - opt into instance locking - Intel (100G, ice, idpf): - ice: rework MSI-X IRQ management and distribution - ice: support for E830 devices - iavf: add support for Rx timestamping - iavf: opt into instance locking - nVidia/Mellanox: - mlx4: use page pool memory allocator for Rx - mlx5: support for one PTP device per hardware clock - mlx5: support for 200Gbps per-lane link modes - mlx5: move IPSec policy check after decryption - AMD/Solarflare: - support FW flashing via devlink - Cisco (enic): - use page pool memory allocator for Rx - enable 32, 64 byte CQEs - get max rx/tx ring size from the device - Meta (fbnic): - support flow steering and RSS configuration - report queue stats - support TCP segmentation - support IRQ coalescing - support ring size configuration - Marvell/Cavium: - support AF_XDP - Wangxun: - support for PTP clock and timestamping - Huawei (hibmcge): - checksum offload - add more statistics - Ethernet virtual: - VirtIO net: - aggressively suppress Tx completions, improve perf by 96% with 1 CPU and 55% with 2 CPUs - expose NAPI to IRQ mapping and persist NAPI settings - Google (gve): - support XDP in DQO RDA Queue Format - opt into instance locking - Microsoft vNIC: - support BIG TCP - Ethernet NICs consumer, and embedded: - Synopsys (stmmac): - cleanup Tx and Tx clock setting and other link-focused cleanups - enable SGMII and 2500BASEX mode switching for Intel platforms - support Sophgo SG2044 - Broadcom switches (b53): - support for BCM53101 - TI: - iep: add perout configuration support - icssg: support XDP - Cadence (macb): - implement BQL - Xilinx (axinet): - support dynamic IRQ moderation and changing coalescing at runtime - implement BQL - report standard stats - MediaTek: - support phylink managed EEE - Intel: - igc: don't restart the interface on every XDP program change - RealTek (r8169): - support reading registers of internal PHYs directly - increase max jumbo packet size on RTL8125/RTL8126 - Airoha: - support for RISC-V NPU packet processing unit - enable scatter-gather and support MTU up to 9kB - Tehuti (tn40xx): - support cards with TN4010 MAC and an Aquantia AQR105 PHY - Ethernet PHYs: - support for TJA1102S, TJA1121 - dp83tg720: add randomized polling intervals for link detection - dp83822: support changing the transmit amplitude voltage - support for LEDs on 88q2xxx - CAN: - canxl: support Remote Request Substitution bit access - flexcan: add S32G2/S32G3 SoC - WiFi: - remove cooked monitor support - strict mode for better AP testing - basic EPCS support - OMI RX bandwidth reduction support - batman-adv: add support for jumbo frames - WiFi drivers: - RealTek (rtw88): - support RTL8814AE and RTL8814AU - RealTek (rtw89): - switch using wiphy_lock and wiphy_work - add BB context to manipulate two PHY as preparation of MLO - improve BT-coexistence mechanism to play A2DP smoothly - Intel (iwlwifi): - add new iwlmld sub-driver for latest HW/FW combinations - MediaTek (mt76): - preparation for mt7996 Multi-Link Operation (MLO) support - Qualcomm/Atheros (ath12k): - continued work on MLO - Silabs (wfx): - Wake-on-WLAN support - Bluetooth: - add support for skb TX SND/COMPLETION timestamping - hci_core: enable buffer flow control for SCO/eSCO - coredump: log devcd dumps into the monitor - Bluetooth drivers: - intel: add support to configure TX power - nxp: handle bootloader error during cmd5 and cmd7" * tag 'net-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1681 commits) unix: fix up for "apparmor: add fine grained af_unix mediation" mctp: Fix incorrect tx flow invalidation condition in mctp-i2c net: usb: asix: ax88772: Increase phy_name size net: phy: Introduce PHY_ID_SIZE — minimum size for PHY ID string net: libwx: fix Tx L4 checksum net: libwx: fix Tx descriptor content for some tunnel packets atm: Fix NULL pointer dereference net: tn40xx: add pci-id of the aqr105-based Tehuti TN4010 cards net: tn40xx: prepare tn40xx driver to find phy of the TN9510 card net: tn40xx: create swnode for mdio and aqr105 phy and add to mdiobus net: phy: aquantia: add essential functions to aqr105 driver net: phy: aquantia: search for firmware-name in fwnode net: phy: aquantia: add probe function to aqr105 for firmware loading net: phy: Add swnode support to mdiobus_scan gve: add XDP DROP and PASS support for DQ gve: update XDP allocation path support RX buffer posting gve: merge packet buffer size fields gve: update GQ RX to use buf_size gve: introduce config-based allocation for XDP gve: remove xdp_xsk_done and xdp_xsk_wakeup statistics ...
2025-03-26Merge tag 'sysctl-6.15-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl Pull sysctl updates from Joel Granados: - Move vm_table members out of kernel/sysctl.c All vm_table array members have moved to their respective subsystems leading to the removal of vm_table from kernel/sysctl.c. This increases modularity by placing the ctl_tables closer to where they are actually used and at the same time reducing the chances of merge conflicts in kernel/sysctl.c. - ctl_table range fixes Replace the proc_handler function that checks variable ranges in coredump_sysctls and vdso_table with the one that actually uses the extra{1,2} pointers as min/max values. This tightens the range of the values that users can pass into the kernel effectively preventing {under,over}flows. - Misc fixes Correct grammar errors and typos in test messages. Update sysctl files in MAINTAINERS. Constified and removed array size in declaration for alignment_tbl * tag 'sysctl-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl: (22 commits) selftests/sysctl: fix wording of help messages selftests: fix spelling/grammar errors in sysctl/sysctl.sh MAINTAINERS: Update sysctl file list in MAINTAINERS sysctl: Fix underflow value setting risk in vm_table coredump: Fixes core_pipe_limit sysctl proc_handler sysctl: remove unneeded include sysctl: remove the vm_table sh: vdso: move the sysctl to arch/sh/kernel/vsyscall/vsyscall.c x86: vdso: move the sysctl to arch/x86/entry/vdso/vdso32-setup.c fs: dcache: move the sysctl to fs/dcache.c sunrpc: simplify rpcauth_cache_shrink_count() fs: drop_caches: move sysctl to fs/drop_caches.c fs: fs-writeback: move sysctl to fs/fs-writeback.c mm: nommu: move sysctl to mm/nommu.c security: min_addr: move sysctl to security/min_addr.c mm: mmap: move sysctl to mm/mmap.c mm: util: move sysctls to mm/util.c mm: vmscan: move vmscan sysctls to mm/vmscan.c mm: swap: move sysctl to mm/swap.c mm: filemap: move sysctl to mm/filemap.c ...