diff options
Diffstat (limited to 'arch/powerpc')
60 files changed, 337 insertions, 241 deletions
diff --git a/arch/powerpc/boot/addnote.c b/arch/powerpc/boot/addnote.c index 53b3b2621457..78704927453a 100644 --- a/arch/powerpc/boot/addnote.c +++ b/arch/powerpc/boot/addnote.c @@ -68,8 +68,8 @@ static int e_class = ELFCLASS32; #define PUT_16BE(off, v)(buf[off] = ((v) >> 8) & 0xff, \ buf[(off) + 1] = (v) & 0xff) #define PUT_32BE(off, v)(PUT_16BE((off), (v) >> 16L), PUT_16BE((off) + 2, (v))) -#define PUT_64BE(off, v)((PUT_32BE((off), (v) >> 32L), \ - PUT_32BE((off) + 4, (v)))) +#define PUT_64BE(off, v)((PUT_32BE((off), (unsigned long long)(v) >> 32L), \ + PUT_32BE((off) + 4, (unsigned long long)(v)))) #define GET_16LE(off) ((buf[off]) + (buf[(off)+1] << 8)) #define GET_32LE(off) (GET_16LE(off) + (GET_16LE((off)+2U) << 16U)) @@ -78,7 +78,8 @@ static int e_class = ELFCLASS32; #define PUT_16LE(off, v) (buf[off] = (v) & 0xff, \ buf[(off) + 1] = ((v) >> 8) & 0xff) #define PUT_32LE(off, v) (PUT_16LE((off), (v)), PUT_16LE((off) + 2, (v) >> 16L)) -#define PUT_64LE(off, v) (PUT_32LE((off), (v)), PUT_32LE((off) + 4, (v) >> 32L)) +#define PUT_64LE(off, v) (PUT_32LE((off), (unsigned long long)(v)), \ + PUT_32LE((off) + 4, (unsigned long long)(v) >> 32L)) #define GET_16(off) (e_data == ELFDATA2MSB ? GET_16BE(off) : GET_16LE(off)) #define GET_32(off) (e_data == ELFDATA2MSB ? GET_32BE(off) : GET_32LE(off)) diff --git a/arch/powerpc/boot/dts/asp834x-redboot.dts b/arch/powerpc/boot/dts/asp834x-redboot.dts index 52a84561c4f0..33ddb17d1876 100644 --- a/arch/powerpc/boot/dts/asp834x-redboot.dts +++ b/arch/powerpc/boot/dts/asp834x-redboot.dts @@ -72,7 +72,7 @@ reg = <0xff000000 0x00000200>; bus-frequency = <0>; - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/fsl/ge_imp3a.dts b/arch/powerpc/boot/dts/fsl/ge_imp3a.dts index da3de8e2b7d2..9e5c01cfac2f 100644 --- a/arch/powerpc/boot/dts/fsl/ge_imp3a.dts +++ b/arch/powerpc/boot/dts/fsl/ge_imp3a.dts @@ -94,7 +94,7 @@ gpio-controller; }; - wdt@4,800 { + watchdog@4,800 { compatible = "ge,imp3a-fpga-wdt", "gef,fpga-wdt-1.00", "gef,fpga-wdt"; reg = <0x4 0x800 0x8>; @@ -103,7 +103,7 @@ }; /* Second watchdog available, driver currently supports one. - wdt@4,808 { + watchdog@4,808 { compatible = "gef,imp3a-fpga-wdt", "gef,fpga-wdt-1.00", "gef,fpga-wdt"; reg = <0x4 0x808 0x8>; diff --git a/arch/powerpc/boot/dts/fsl/gef_ppc9a.dts b/arch/powerpc/boot/dts/fsl/gef_ppc9a.dts index fc92bb032c51..48a81430a8a3 100644 --- a/arch/powerpc/boot/dts/fsl/gef_ppc9a.dts +++ b/arch/powerpc/boot/dts/fsl/gef_ppc9a.dts @@ -82,7 +82,7 @@ reg = <0x4 0x0 0x40>; }; - wdt@4,2000 { + watchdog@4,2000 { compatible = "gef,ppc9a-fpga-wdt", "gef,fpga-wdt-1.00", "gef,fpga-wdt"; reg = <0x4 0x2000 0x8>; @@ -90,7 +90,7 @@ interrupt-parent = <&gef_pic>; }; /* Second watchdog available, driver currently supports one. - wdt@4,2010 { + watchdog@4,2010 { compatible = "gef,ppc9a-fpga-wdt", "gef,fpga-wdt-1.00", "gef,fpga-wdt"; reg = <0x4 0x2010 0x8>; diff --git a/arch/powerpc/boot/dts/fsl/gef_sbc310.dts b/arch/powerpc/boot/dts/fsl/gef_sbc310.dts index 47ae85c34635..8eb254b1738d 100644 --- a/arch/powerpc/boot/dts/fsl/gef_sbc310.dts +++ b/arch/powerpc/boot/dts/fsl/gef_sbc310.dts @@ -79,7 +79,7 @@ reg = <0x4 0x0 0x40>; }; - wdt@4,2000 { + watchdog@4,2000 { compatible = "gef,sbc310-fpga-wdt", "gef,fpga-wdt-1.00", "gef,fpga-wdt"; reg = <0x4 0x2000 0x8>; @@ -87,7 +87,7 @@ interrupt-parent = <&gef_pic>; }; /* - wdt@4,2010 { + watchdog@4,2010 { compatible = "gef,sbc310-fpga-wdt", "gef,fpga-wdt-1.00", "gef,fpga-wdt"; reg = <0x4 0x2010 0x8>; diff --git a/arch/powerpc/boot/dts/fsl/gef_sbc610.dts b/arch/powerpc/boot/dts/fsl/gef_sbc610.dts index 5322be44b62e..02edbb262b8f 100644 --- a/arch/powerpc/boot/dts/fsl/gef_sbc610.dts +++ b/arch/powerpc/boot/dts/fsl/gef_sbc610.dts @@ -82,14 +82,14 @@ reg = <0x4 0x0 0x40>; }; - wdt@4,2000 { + watchdog@4,2000 { compatible = "gef,fpga-wdt"; reg = <0x4 0x2000 0x8>; interrupts = <0x1a 0x4>; interrupt-parent = <&gef_pic>; }; /* Second watchdog available, driver currently supports one. - wdt@4,2010 { + watchdog@4,2010 { compatible = "gef,fpga-wdt"; reg = <0x4 0x2010 0x8>; interrupts = <0x1b 0x4>; diff --git a/arch/powerpc/boot/dts/mpc5121.dtsi b/arch/powerpc/boot/dts/mpc5121.dtsi index d3fc8062fbcd..a278fb7b9e71 100644 --- a/arch/powerpc/boot/dts/mpc5121.dtsi +++ b/arch/powerpc/boot/dts/mpc5121.dtsi @@ -112,7 +112,7 @@ }; /* Watchdog timer */ - wdt@900 { + watchdog@900 { compatible = "fsl,mpc5121-wdt"; reg = <0x900 0x100>; }; diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index a8315795b2c9..09508b4c8c73 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -99,7 +99,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts index a89cb3139ca8..a8f68d6e50b0 100644 --- a/arch/powerpc/boot/dts/mpc8315erdb.dts +++ b/arch/powerpc/boot/dts/mpc8315erdb.dts @@ -100,7 +100,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts index ecebc27a2898..ba7caaf98fd5 100644 --- a/arch/powerpc/boot/dts/mpc832x_rdb.dts +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -52,7 +52,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts index d4ebbb93de0b..13f17232ba83 100644 --- a/arch/powerpc/boot/dts/mpc8349emitx.dts +++ b/arch/powerpc/boot/dts/mpc8349emitx.dts @@ -53,7 +53,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; // from bootloader - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts index bcf68a0a7b55..eae0afd5abbc 100644 --- a/arch/powerpc/boot/dts/mpc8349emitxgp.dts +++ b/arch/powerpc/boot/dts/mpc8349emitxgp.dts @@ -51,7 +51,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; // from bootloader - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/mpc836x_rdk.dts b/arch/powerpc/boot/dts/mpc836x_rdk.dts index a0cc1953484d..4ff38e1a2185 100644 --- a/arch/powerpc/boot/dts/mpc836x_rdk.dts +++ b/arch/powerpc/boot/dts/mpc836x_rdk.dts @@ -62,7 +62,7 @@ /* filled by u-boot */ bus-frequency = <0>; - wdt@200 { + watchdog@200 { compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; }; diff --git a/arch/powerpc/boot/dts/mpc8377_rdb.dts b/arch/powerpc/boot/dts/mpc8377_rdb.dts index 7df452efa957..f137ccb8cfde 100644 --- a/arch/powerpc/boot/dts/mpc8377_rdb.dts +++ b/arch/powerpc/boot/dts/mpc8377_rdb.dts @@ -99,7 +99,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/mpc8377_wlan.dts b/arch/powerpc/boot/dts/mpc8377_wlan.dts index d8e7d40aeae4..ce254dd74dd0 100644 --- a/arch/powerpc/boot/dts/mpc8377_wlan.dts +++ b/arch/powerpc/boot/dts/mpc8377_wlan.dts @@ -89,7 +89,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/mpc8378_rdb.dts b/arch/powerpc/boot/dts/mpc8378_rdb.dts index bdcfe83a561e..19e5473d4161 100644 --- a/arch/powerpc/boot/dts/mpc8378_rdb.dts +++ b/arch/powerpc/boot/dts/mpc8378_rdb.dts @@ -99,7 +99,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/dts/mpc8379_rdb.dts b/arch/powerpc/boot/dts/mpc8379_rdb.dts index a5f702304a35..61519acca228 100644 --- a/arch/powerpc/boot/dts/mpc8379_rdb.dts +++ b/arch/powerpc/boot/dts/mpc8379_rdb.dts @@ -97,7 +97,7 @@ reg = <0xe0000000 0x00000200>; bus-frequency = <0>; - wdt@200 { + watchdog@200 { device_type = "watchdog"; compatible = "mpc83xx_wdt"; reg = <0x200 0x100>; diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index a75baefd1cff..1efd1206fcab 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -21,7 +21,7 @@ # (default ./arch/powerpc/boot) # -W dir specify working directory for temporary files (default .) # -z use gzip (legacy) -# -Z zsuffix compression to use (gz, xz or none) +# -Z zsuffix compression to use (gz, xz, lzma, lzo or none) # Stop execution if any command fails set -e @@ -69,7 +69,7 @@ usage() { echo 'Usage: wrapper [-o output] [-p platform] [-i initrd]' >&2 echo ' [-d devtree] [-s tree.dts] [-e esm_blob]' >&2 echo ' [-c] [-C cross-prefix] [-D datadir] [-W workingdir]' >&2 - echo ' [-Z (gz|xz|none)] [--no-compression] [vmlinux]' >&2 + echo ' [-Z (gz|xz|lzma|lzo|none)] [--no-compression] [vmlinux]' >&2 exit 1 } diff --git a/arch/powerpc/include/asm/book3s/32/tlbflush.h b/arch/powerpc/include/asm/book3s/32/tlbflush.h index e43534da5207..4be2200a3c7e 100644 --- a/arch/powerpc/include/asm/book3s/32/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/32/tlbflush.h @@ -11,6 +11,7 @@ void hash__flush_tlb_mm(struct mm_struct *mm); void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); void hash__flush_range(struct mm_struct *mm, unsigned long start, unsigned long end); +void hash__flush_gather(struct mmu_gather *tlb); #ifdef CONFIG_SMP void _tlbie(unsigned long address); @@ -29,7 +30,9 @@ void _tlbia(void); static inline void tlb_flush(struct mmu_gather *tlb) { /* 603 needs to flush the whole TLB here since it doesn't use a hash table. */ - if (!mmu_has_feature(MMU_FTR_HPTE_TABLE)) + if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) + hash__flush_gather(tlb); + else _tlbia(); } diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h index 346351423207..af12e2ba8eb8 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h @@ -524,7 +524,6 @@ void slb_save_contents(struct slb_entry *slb_ptr); void slb_dump_contents(struct slb_entry *slb_ptr); extern void slb_vmalloc_update(void); -void preload_new_slb_context(unsigned long start, unsigned long sp); #ifdef CONFIG_PPC_64S_HASH_MMU void slb_set_size(u16 size); diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index 4bbf9f699aaa..bd4a6c42a5f3 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -115,9 +115,11 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt, struct crash_mem #ifdef CONFIG_CRASH_RESERVE int __init overlaps_crashkernel(unsigned long start, unsigned long size); extern void arch_reserve_crashkernel(void); +extern void kdump_cma_reserve(void); #else static inline void arch_reserve_crashkernel(void) {} static inline int overlaps_crashkernel(unsigned long start, unsigned long size) { return 0; } +static inline void kdump_cma_reserve(void) { } #endif #if defined(CONFIG_CRASH_DUMP) diff --git a/arch/powerpc/include/asm/mem_encrypt.h b/arch/powerpc/include/asm/mem_encrypt.h index 2f26b8fc8d29..e355ca46fad9 100644 --- a/arch/powerpc/include/asm/mem_encrypt.h +++ b/arch/powerpc/include/asm/mem_encrypt.h @@ -9,6 +9,9 @@ #define _ASM_POWERPC_MEM_ENCRYPT_H #include <asm/svm.h> +#include <linux/types.h> + +struct device; static inline bool force_dma_unencrypted(struct device *dev) { diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index f19ca44512d1..66ed5fe1b718 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -132,15 +132,18 @@ static inline int cpu_to_coregroup_id(int cpu) #include <asm/cputable.h> struct cpumask *cpu_coregroup_mask(int cpu); +const struct cpumask *cpu_die_mask(int cpu); +int cpu_die_id(int cpu); #ifdef CONFIG_PPC64 #include <asm/smp.h> #define topology_physical_package_id(cpu) (cpu_to_chip_id(cpu)) - -#define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu)) -#define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu)) -#define topology_core_id(cpu) (cpu_to_core_id(cpu)) +#define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu)) +#define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu)) +#define topology_core_id(cpu) (cpu_to_core_id(cpu)) +#define topology_die_id(cpu) (cpu_die_id(cpu)) +#define topology_die_cpumask(cpu) (cpu_die_mask(cpu)) #endif #endif diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index f4a8c9877249..16f8ee6cb2cd 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -101,6 +101,17 @@ SYM_FUNC_END(__kuep_unlock) .endm #endif +.macro clr_ri trash +#ifndef CONFIG_BOOKE +#ifdef CONFIG_PPC_8xx + mtspr SPRN_NRI, \trash +#else + li \trash, MSR_KERNEL & ~MSR_RI + mtmsr \trash +#endif +#endif +.endm + .globl transfer_to_syscall transfer_to_syscall: stw r3, ORIG_GPR3(r1) @@ -149,6 +160,7 @@ ret_from_syscall: cmpwi r3,0 REST_GPR(3, r1) syscall_exit_finish: + clr_ri r4 mtspr SPRN_SRR0,r7 mtspr SPRN_SRR1,r8 @@ -168,6 +180,7 @@ syscall_exit_finish: REST_GPR(0, r1) REST_GPRS(3, 12, r1) b 1b +_ASM_NOKPROBE_SYMBOL(syscall_exit_finish) #ifdef CONFIG_44x .L44x_icache_flush: @@ -216,7 +229,7 @@ fast_exception_return: beq 3f /* if not, we've got problems */ #endif -2: lwz r10,_CCR(r11) + lwz r10,_CCR(r11) REST_GPRS(1, 6, r11) mtcr r10 lwz r10,_LINK(r11) @@ -224,13 +237,11 @@ fast_exception_return: /* Clear the exception marker on the stack to avoid confusing stacktrace */ li r10, 0 stw r10, 8(r11) - REST_GPR(10, r11) -#if defined(CONFIG_PPC_8xx) && defined(CONFIG_PERF_EVENTS) - mtspr SPRN_NRI, r0 -#endif + clr_ri r10 mtspr SPRN_SRR1,r9 mtspr SPRN_SRR0,r12 REST_GPR(9, r11) + REST_GPR(10, r11) REST_GPR(12, r11) REST_GPR(11, r11) rfi @@ -259,14 +270,14 @@ interrupt_return: .Lfast_user_interrupt_return: lwz r11,_NIP(r1) lwz r12,_MSR(r1) + clr_ri r4 mtspr SPRN_SRR0,r11 mtspr SPRN_SRR1,r12 BEGIN_FTR_SECTION + lwarx r0,0,r1 +END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX) stwcx. r0,0,r1 /* to clear the reservation */ -FTR_SECTION_ELSE - lwarx r0,0,r1 -ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) lwz r3,_CCR(r1) lwz r4,_LINK(r1) @@ -302,14 +313,14 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) cmpwi cr1,r3,0 lwz r11,_NIP(r1) lwz r12,_MSR(r1) + clr_ri r4 mtspr SPRN_SRR0,r11 mtspr SPRN_SRR1,r12 BEGIN_FTR_SECTION + lwarx r0,0,r1 +END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX) stwcx. r0,0,r1 /* to clear the reservation */ -FTR_SECTION_ELSE - lwarx r0,0,r1 -ALT_FTR_SECTION_END_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS) lwz r3,_LINK(r1) lwz r4,_CTR(r1) diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c index e0c681d0b076..aea6f7e8e9c6 100644 --- a/arch/powerpc/kernel/interrupt.c +++ b/arch/powerpc/kernel/interrupt.c @@ -38,7 +38,7 @@ static inline bool exit_must_hard_disable(void) #else static inline bool exit_must_hard_disable(void) { - return true; + return false; } #endif diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 244eb4857e7f..b7dcf07b2499 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -1156,7 +1156,8 @@ EXPORT_SYMBOL_GPL(iommu_add_device); */ static int spapr_tce_platform_iommu_attach_dev(struct iommu_domain *platform_domain, - struct device *dev) + struct device *dev, + struct iommu_domain *old) { struct iommu_domain *domain = iommu_get_domain_for_dev(dev); struct iommu_table_group *table_group; @@ -1189,7 +1190,7 @@ static struct iommu_domain spapr_tce_platform_domain = { static int spapr_tce_blocked_iommu_attach_dev(struct iommu_domain *platform_domain, - struct device *dev) + struct device *dev, struct iommu_domain *old) { struct iommu_group *grp = iommu_group_get(dev); struct iommu_table_group *table_group; diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index eb23966ac0a9..a45fe147868b 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1897,8 +1897,6 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args) return 0; } -void preload_new_slb_context(unsigned long start, unsigned long sp); - /* * Set up a thread for executing a new program */ @@ -1906,9 +1904,6 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) { #ifdef CONFIG_PPC64 unsigned long load_addr = regs->gpr[2]; /* saved by ELF_PLAT_INIT */ - - if (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && !radix_enabled()) - preload_new_slb_context(start, sp); #endif #ifdef CONFIG_PPC_TRANSACTIONAL_MEM diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 68d47c53876c..c8c42b419742 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -35,6 +35,7 @@ #include <linux/of_irq.h> #include <linux/hugetlb.h> #include <linux/pgtable.h> +#include <asm/kexec.h> #include <asm/io.h> #include <asm/paca.h> #include <asm/processor.h> @@ -995,11 +996,12 @@ void __init setup_arch(char **cmdline_p) initmem_init(); /* - * Reserve large chunks of memory for use by CMA for fadump, KVM and + * Reserve large chunks of memory for use by CMA for kdump, fadump, KVM and * hugetlb. These must be called after initmem_init(), so that * pageblock_order is initialised. */ fadump_cma_init(); + kdump_cma_reserve(); kvm_cma_reserve(); gigantic_hugetlb_cma_reserve(); diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 68edb66c2964..292fee8809bc 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -1085,6 +1085,29 @@ static int __init init_big_cores(void) return 0; } +/* + * die_mask and die_id are only available on systems which support + * multiple coregroups within a same package. On all other systems, die_mask + * would be same as package mask and die_id would be set to -1. + */ +const struct cpumask *cpu_die_mask(int cpu) +{ + if (has_coregroup_support()) + return per_cpu(cpu_coregroup_map, cpu); + else + return cpu_node_mask(cpu); +} +EXPORT_SYMBOL_GPL(cpu_die_mask); + +int cpu_die_id(int cpu) +{ + if (has_coregroup_support()) + return cpu_to_coregroup_id(cpu); + else + return -1; +} +EXPORT_SYMBOL_GPL(cpu_die_id); + void __init smp_prepare_cpus(unsigned int max_cpus) { unsigned int cpu, num_threads; diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index de6ee7d35cff..15850296c0a9 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -330,7 +330,6 @@ SECTIONS } .hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) } .gnu.hash : AT(ADDR(.gnu.hash) - LOAD_OFFSET) { *(.gnu.hash) } - .interp : AT(ADDR(.interp) - LOAD_OFFSET) { *(.interp) } .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET) { __rela_dyn_start = .; diff --git a/arch/powerpc/kexec/core.c b/arch/powerpc/kexec/core.c index d1a2d755381c..104c05520bf0 100644 --- a/arch/powerpc/kexec/core.c +++ b/arch/powerpc/kexec/core.c @@ -22,6 +22,8 @@ #include <asm/setup.h> #include <asm/firmware.h> +#define cpu_to_be_ulong __PASTE(cpu_to_be, BITS_PER_LONG) + #ifdef CONFIG_CRASH_DUMP void machine_crash_shutdown(struct pt_regs *regs) { @@ -59,6 +61,8 @@ void machine_kexec(struct kimage *image) #ifdef CONFIG_CRASH_RESERVE +static unsigned long long crashk_cma_size; + static unsigned long long __init get_crash_base(unsigned long long crash_base) { @@ -110,7 +114,7 @@ void __init arch_reserve_crashkernel(void) /* use common parsing */ ret = parse_crashkernel(boot_command_line, total_mem_sz, &crash_size, - &crash_base, NULL, NULL, NULL); + &crash_base, NULL, &crashk_cma_size, NULL); if (ret) return; @@ -130,23 +134,22 @@ void __init arch_reserve_crashkernel(void) reserve_crashkernel_generic(crash_size, crash_base, 0, false); } +void __init kdump_cma_reserve(void) +{ + if (crashk_cma_size) + reserve_crashkernel_cma(crashk_cma_size); +} + int __init overlaps_crashkernel(unsigned long start, unsigned long size) { return (start + size) > crashk_res.start && start <= crashk_res.end; } /* Values we need to export to the second kernel via the device tree. */ -static phys_addr_t kernel_end; static phys_addr_t crashk_base; static phys_addr_t crashk_size; static unsigned long long mem_limit; -static struct property kernel_end_prop = { - .name = "linux,kernel-end", - .length = sizeof(phys_addr_t), - .value = &kernel_end, -}; - static struct property crashk_base_prop = { .name = "linux,crashkernel-base", .length = sizeof(phys_addr_t), @@ -165,8 +168,6 @@ static struct property memory_limit_prop = { .value = &mem_limit, }; -#define cpu_to_be_ulong __PASTE(cpu_to_be, BITS_PER_LONG) - static void __init export_crashk_values(struct device_node *node) { /* There might be existing crash kernel properties, but we can't @@ -190,6 +191,15 @@ static void __init export_crashk_values(struct device_node *node) mem_limit = cpu_to_be_ulong(memory_limit); of_update_property(node, &memory_limit_prop); } +#endif /* CONFIG_CRASH_RESERVE */ + +static phys_addr_t kernel_end; + +static struct property kernel_end_prop = { + .name = "linux,kernel-end", + .length = sizeof(phys_addr_t), + .value = &kernel_end, +}; static int __init kexec_setup(void) { @@ -200,16 +210,17 @@ static int __init kexec_setup(void) return -ENOENT; /* remove any stale properties so ours can be found */ - of_remove_property(node, of_find_property(node, kernel_end_prop.name, NULL)); + of_remove_property(node, of_find_property(node, kernel_end_prop.name, + NULL)); /* information needed by userspace when using default_machine_kexec */ kernel_end = cpu_to_be_ulong(__pa(_end)); of_add_property(node, &kernel_end_prop); +#ifdef CONFIG_CRASH_RESERVE export_crashk_values(node); - +#endif of_node_put(node); return 0; } late_initcall(kexec_setup); -#endif /* CONFIG_CRASH_RESERVE */ diff --git a/arch/powerpc/kexec/ranges.c b/arch/powerpc/kexec/ranges.c index 3702b0bdab14..867135560e5c 100644 --- a/arch/powerpc/kexec/ranges.c +++ b/arch/powerpc/kexec/ranges.c @@ -515,7 +515,7 @@ out: */ int get_usable_memory_ranges(struct crash_mem **mem_ranges) { - int ret; + int ret, i; /* * Early boot failure observed on guests when low memory (first memory @@ -528,6 +528,13 @@ int get_usable_memory_ranges(struct crash_mem **mem_ranges) if (ret) goto out; + for (i = 0; i < crashk_cma_cnt; i++) { + ret = add_mem_range(mem_ranges, crashk_cma_ranges[i].start, + crashk_cma_ranges[i].end - crashk_cma_ranges[i].start + 1); + if (ret) + goto out; + } + ret = add_rtas_mem_range(mem_ranges); if (ret) goto out; @@ -546,6 +553,22 @@ out: #endif /* CONFIG_KEXEC_FILE */ #ifdef CONFIG_CRASH_DUMP +static int crash_exclude_mem_range_guarded(struct crash_mem **mem_ranges, + unsigned long long mstart, + unsigned long long mend) +{ + struct crash_mem *tmem = *mem_ranges; + + /* Reallocate memory ranges if there is no space to split ranges */ + if (tmem && (tmem->nr_ranges == tmem->max_nr_ranges)) { + tmem = realloc_mem_ranges(mem_ranges); + if (!tmem) + return -ENOMEM; + } + + return crash_exclude_mem_range(tmem, mstart, mend); +} + /** * get_crash_memory_ranges - Get crash memory ranges. This list includes * first/crashing kernel's memory regions that @@ -557,7 +580,6 @@ out: int get_crash_memory_ranges(struct crash_mem **mem_ranges) { phys_addr_t base, end; - struct crash_mem *tmem; u64 i; int ret; @@ -582,19 +604,18 @@ int get_crash_memory_ranges(struct crash_mem **mem_ranges) sort_memory_ranges(*mem_ranges, true); } - /* Reallocate memory ranges if there is no space to split ranges */ - tmem = *mem_ranges; - if (tmem && (tmem->nr_ranges == tmem->max_nr_ranges)) { - tmem = realloc_mem_ranges(mem_ranges); - if (!tmem) - goto out; - } - /* Exclude crashkernel region */ - ret = crash_exclude_mem_range(tmem, crashk_res.start, crashk_res.end); + ret = crash_exclude_mem_range_guarded(mem_ranges, crashk_res.start, crashk_res.end); if (ret) goto out; + for (i = 0; i < crashk_cma_cnt; ++i) { + ret = crash_exclude_mem_range_guarded(mem_ranges, crashk_cma_ranges[i].start, + crashk_cma_ranges[i].end); + if (ret) + goto out; + } + /* * FIXME: For now, stay in parity with kexec-tools but if RTAS/OPAL * regions are exported to save their context at the time of @@ -697,8 +718,8 @@ int remove_mem_range(struct crash_mem **mem_ranges, u64 base, u64 size) * two half. */ else { + size = mem_rngs->ranges[i].end - end + 1; mem_rngs->ranges[i].end = base - 1; - size = mem_rngs->ranges[i].end - end; ret = add_mem_range(mem_ranges, end + 1, size); } } diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 2f2702c867f7..c9a2d50ff1b0 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -20,7 +20,6 @@ if VIRTUALIZATION config KVM bool select KVM_COMMON - select HAVE_KVM_VCPU_ASYNC_IOCTL select KVM_VFIO select HAVE_KVM_IRQ_BYPASS diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c index 03f8c34fa0a2..e5000bef90f2 100644 --- a/arch/powerpc/kvm/book3s_hv_uvmem.c +++ b/arch/powerpc/kvm/book3s_hv_uvmem.c @@ -723,7 +723,7 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm) dpage = pfn_to_page(uvmem_pfn); dpage->zone_device_data = pvt; - zone_device_page_init(dpage); + zone_device_page_init(dpage, 0); return dpage; out_clear: spin_lock(&kvmppc_uvmem_bitmap_lock); @@ -1014,8 +1014,9 @@ static vm_fault_t kvmppc_uvmem_migrate_to_ram(struct vm_fault *vmf) * to a normal PFN during H_SVM_PAGE_OUT. * Gets called with kvm->arch.uvmem_lock held. */ -static void kvmppc_uvmem_page_free(struct page *page) +static void kvmppc_uvmem_folio_free(struct folio *folio) { + struct page *page = &folio->page; unsigned long pfn = page_to_pfn(page) - (kvmppc_uvmem_pgmap.range.start >> PAGE_SHIFT); struct kvmppc_uvmem_page_pvt *pvt; @@ -1034,7 +1035,7 @@ static void kvmppc_uvmem_page_free(struct page *page) } static const struct dev_pagemap_ops kvmppc_uvmem_ops = { - .page_free = kvmppc_uvmem_page_free, + .folio_free = kvmppc_uvmem_folio_free, .migrate_to_ram = kvmppc_uvmem_migrate_to_ram, }; diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 2ba057171ebe..9a89a6d98f97 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -2028,8 +2028,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, return -EINVAL; } -long kvm_arch_vcpu_async_ioctl(struct file *filp, - unsigned int ioctl, unsigned long arg) +long kvm_arch_vcpu_unlocked_ioctl(struct file *filp, unsigned int ioctl, + unsigned long arg) { struct kvm_vcpu *vcpu = filp->private_data; void __user *argp = (void __user *)arg; diff --git a/arch/powerpc/mm/book3s32/tlb.c b/arch/powerpc/mm/book3s32/tlb.c index 9ad6b56bfec9..e54a7b011232 100644 --- a/arch/powerpc/mm/book3s32/tlb.c +++ b/arch/powerpc/mm/book3s32/tlb.c @@ -105,3 +105,12 @@ void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) flush_hash_pages(mm->context.id, vmaddr, pmd_val(*pmd), 1); } EXPORT_SYMBOL(hash__flush_tlb_page); + +void hash__flush_gather(struct mmu_gather *tlb) +{ + if (tlb->fullmm || tlb->need_flush_all) + hash__flush_tlb_mm(tlb->mm); + else + hash__flush_range(tlb->mm, tlb->start, tlb->end); +} +EXPORT_SYMBOL(hash__flush_gather); diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index 3aee3af614af..9dc5889d6ecb 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -47,6 +47,7 @@ #include <asm/mmu.h> #include <asm/mmu_context.h> #include <asm/page.h> +#include <asm/pgalloc.h> #include <asm/types.h> #include <linux/uaccess.h> #include <asm/machdep.h> @@ -449,6 +450,7 @@ static __init void hash_kfence_map_pool(void) { unsigned long kfence_pool_start, kfence_pool_end; unsigned long prot = pgprot_val(PAGE_KERNEL); + unsigned int pshift = mmu_psize_defs[mmu_linear_psize].shift; if (!kfence_pool) return; @@ -459,6 +461,7 @@ static __init void hash_kfence_map_pool(void) BUG_ON(htab_bolt_mapping(kfence_pool_start, kfence_pool_end, kfence_pool, prot, mmu_linear_psize, mmu_kernel_ssize)); + update_page_count(mmu_linear_psize, KFENCE_POOL_SIZE >> pshift); memblock_clear_nomap(kfence_pool, KFENCE_POOL_SIZE); } @@ -952,7 +955,7 @@ static int __init htab_dt_scan_hugepage_blocks(unsigned long node, block_size = be64_to_cpu(addr_prop[1]); if (block_size != (16 * GB)) return 0; - printk(KERN_INFO "Huge page(16GB) memory: " + pr_info("Huge page(16GB) memory: " "addr = 0x%lX size = 0x%lX pages = %d\n", phys_addr, block_size, expected_pages); if (phys_addr + block_size * expected_pages <= memblock_end_of_DRAM()) { @@ -1135,7 +1138,7 @@ static void __init htab_init_page_sizes(void) mmu_vmemmap_psize = mmu_virtual_psize; #endif /* CONFIG_SPARSEMEM_VMEMMAP */ - printk(KERN_DEBUG "Page orders: linear mapping = %d, " + pr_info("Page orders: linear mapping = %d, " "virtual = %d, io = %d" #ifdef CONFIG_SPARSEMEM_VMEMMAP ", vmemmap = %d" @@ -1234,6 +1237,7 @@ int hash__create_section_mapping(unsigned long start, unsigned long end, int nid, pgprot_t prot) { int rc; + unsigned int pshift = mmu_psize_defs[mmu_linear_psize].shift; if (end >= H_VMALLOC_START) { pr_warn("Outside the supported range\n"); @@ -1251,17 +1255,22 @@ int hash__create_section_mapping(unsigned long start, unsigned long end, mmu_kernel_ssize); BUG_ON(rc2 && (rc2 != -ENOENT)); } + update_page_count(mmu_linear_psize, (end - start) >> pshift); return rc; } int hash__remove_section_mapping(unsigned long start, unsigned long end) { + unsigned int pshift = mmu_psize_defs[mmu_linear_psize].shift; + int rc = htab_remove_mapping(start, end, mmu_linear_psize, mmu_kernel_ssize); if (resize_hpt_for_hotplug(memblock_phys_mem_size()) == -ENOSPC) pr_warn("Hash collision while resizing HPT\n"); + if (!rc) + update_page_count(mmu_linear_psize, -((end - start) >> pshift)); return rc; } #endif /* CONFIG_MEMORY_HOTPLUG */ @@ -1302,27 +1311,34 @@ static void __init htab_initialize(void) unsigned long table; unsigned long pteg_count; unsigned long prot; - phys_addr_t base = 0, size = 0, end; + phys_addr_t base = 0, size = 0, end, limit = MEMBLOCK_ALLOC_ANYWHERE; u64 i; + unsigned int pshift = mmu_psize_defs[mmu_linear_psize].shift; DBG(" -> htab_initialize()\n"); + if (firmware_has_feature(FW_FEATURE_LPAR)) + limit = ppc64_rma_size; + if (mmu_has_feature(MMU_FTR_1T_SEGMENT)) { mmu_kernel_ssize = MMU_SEGSIZE_1T; mmu_highuser_ssize = MMU_SEGSIZE_1T; - printk(KERN_INFO "Using 1TB segments\n"); + pr_info("Using 1TB segments\n"); } if (stress_slb_enabled) static_branch_enable(&stress_slb_key); + if (no_slb_preload) + static_branch_enable(&no_slb_preload_key); + if (stress_hpt_enabled) { unsigned long tmp; static_branch_enable(&stress_hpt_key); // Too early to use nr_cpu_ids, so use NR_CPUS tmp = memblock_phys_alloc_range(sizeof(struct stress_hpt_struct) * NR_CPUS, __alignof__(struct stress_hpt_struct), - 0, MEMBLOCK_ALLOC_ANYWHERE); + MEMBLOCK_LOW_LIMIT, limit); memset((void *)tmp, 0xff, sizeof(struct stress_hpt_struct) * NR_CPUS); stress_hpt_struct = __va(tmp); @@ -1356,11 +1372,10 @@ static void __init htab_initialize(void) mmu_hash_ops.hpte_clear_all(); #endif } else { - unsigned long limit = MEMBLOCK_ALLOC_ANYWHERE; table = memblock_phys_alloc_range(htab_size_bytes, htab_size_bytes, - 0, limit); + MEMBLOCK_LOW_LIMIT, limit); if (!table) panic("ERROR: Failed to allocate %pa bytes below %pa\n", &htab_size_bytes, &limit); @@ -1392,8 +1407,8 @@ static void __init htab_initialize(void) size = end - base; base = (unsigned long)__va(base); - DBG("creating mapping for region: %lx..%lx (prot: %lx)\n", - base, size, prot); + pr_debug("creating mapping for region: 0x%pa..0x%pa (prot: %lx)\n", + &base, &size, prot); if ((base + size) >= H_VMALLOC_START) { pr_warn("Outside the supported range\n"); @@ -1402,6 +1417,8 @@ static void __init htab_initialize(void) BUG_ON(htab_bolt_mapping(base, base + size, __pa(base), prot, mmu_linear_psize, mmu_kernel_ssize)); + + update_page_count(mmu_linear_psize, size >> pshift); } hash_kfence_map_pool(); memblock_set_current_limit(MEMBLOCK_ALLOC_ANYWHERE); @@ -1423,6 +1440,8 @@ static void __init htab_initialize(void) BUG_ON(htab_bolt_mapping(tce_alloc_start, tce_alloc_end, __pa(tce_alloc_start), prot, mmu_linear_psize, mmu_kernel_ssize)); + update_page_count(mmu_linear_psize, + (tce_alloc_end - tce_alloc_start) >> pshift); } @@ -1867,7 +1886,7 @@ int hash_page_mm(struct mm_struct *mm, unsigned long ea, * in vmalloc space, so switch vmalloc * to 4k pages */ - printk(KERN_ALERT "Reducing vmalloc segment " + pr_alert("Reducing vmalloc segment " "to 4kB pages because of " "non-cacheable mapping\n"); psize = mmu_vmalloc_psize = MMU_PAGE_4K; @@ -2432,6 +2451,8 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_hpt_order, hpt_order_get, hpt_order_set, "%llu\n") static int __init hash64_debugfs(void) { + if (radix_enabled()) + return 0; debugfs_create_file("hpt_order", 0600, arch_debugfs_dir, NULL, &fops_hpt_order); return 0; diff --git a/arch/powerpc/mm/book3s64/internal.h b/arch/powerpc/mm/book3s64/internal.h index a57a25f06a21..cad08d83369c 100644 --- a/arch/powerpc/mm/book3s64/internal.h +++ b/arch/powerpc/mm/book3s64/internal.h @@ -22,9 +22,14 @@ static inline bool stress_hpt(void) return static_branch_unlikely(&stress_hpt_key); } -void hpt_do_stress(unsigned long ea, unsigned long hpte_group); +extern bool no_slb_preload; +DECLARE_STATIC_KEY_FALSE(no_slb_preload_key); +static inline bool slb_preload_disabled(void) +{ + return static_branch_unlikely(&no_slb_preload_key); +} -void slb_setup_new_exec(void); +void hpt_do_stress(unsigned long ea, unsigned long hpte_group); void exit_lazy_flush_tlb(struct mm_struct *mm, bool always_flush); diff --git a/arch/powerpc/mm/book3s64/mmu_context.c b/arch/powerpc/mm/book3s64/mmu_context.c index 4e1e45420bd4..fb9dcf9ca599 100644 --- a/arch/powerpc/mm/book3s64/mmu_context.c +++ b/arch/powerpc/mm/book3s64/mmu_context.c @@ -150,8 +150,6 @@ static int hash__init_new_context(struct mm_struct *mm) void hash__setup_new_exec(void) { slice_setup_new_exec(); - - slb_setup_new_exec(); } #else static inline int hash__init_new_context(struct mm_struct *mm) diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c index c9431ae7f78a..e3485db7de02 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -510,20 +510,21 @@ atomic_long_t direct_pages_count[MMU_PAGE_COUNT]; void arch_report_meminfo(struct seq_file *m) { - /* - * Hash maps the memory with one size mmu_linear_psize. - * So don't bother to print these on hash - */ - if (!radix_enabled()) - return; seq_printf(m, "DirectMap4k: %8lu kB\n", atomic_long_read(&direct_pages_count[MMU_PAGE_4K]) << 2); - seq_printf(m, "DirectMap64k: %8lu kB\n", + seq_printf(m, "DirectMap64k: %8lu kB\n", atomic_long_read(&direct_pages_count[MMU_PAGE_64K]) << 6); - seq_printf(m, "DirectMap2M: %8lu kB\n", - atomic_long_read(&direct_pages_count[MMU_PAGE_2M]) << 11); - seq_printf(m, "DirectMap1G: %8lu kB\n", - atomic_long_read(&direct_pages_count[MMU_PAGE_1G]) << 20); + if (radix_enabled()) { + seq_printf(m, "DirectMap2M: %8lu kB\n", + atomic_long_read(&direct_pages_count[MMU_PAGE_2M]) << 11); + seq_printf(m, "DirectMap1G: %8lu kB\n", + atomic_long_read(&direct_pages_count[MMU_PAGE_1G]) << 20); + } else { + seq_printf(m, "DirectMap16M: %8lu kB\n", + atomic_long_read(&direct_pages_count[MMU_PAGE_16M]) << 14); + seq_printf(m, "DirectMap16G: %8lu kB\n", + atomic_long_read(&direct_pages_count[MMU_PAGE_16G]) << 24); + } } #endif /* CONFIG_PROC_FS */ diff --git a/arch/powerpc/mm/book3s64/slb.c b/arch/powerpc/mm/book3s64/slb.c index 6b783552403c..15f73abd1506 100644 --- a/arch/powerpc/mm/book3s64/slb.c +++ b/arch/powerpc/mm/book3s64/slb.c @@ -42,6 +42,15 @@ early_param("stress_slb", parse_stress_slb); __ro_after_init DEFINE_STATIC_KEY_FALSE(stress_slb_key); +bool no_slb_preload __initdata; +static int __init parse_no_slb_preload(char *p) +{ + no_slb_preload = true; + return 0; +} +early_param("no_slb_preload", parse_no_slb_preload); +__ro_after_init DEFINE_STATIC_KEY_FALSE(no_slb_preload_key); + static void assert_slb_presence(bool present, unsigned long ea) { #ifdef CONFIG_DEBUG_VM @@ -294,11 +303,14 @@ static bool preload_hit(struct thread_info *ti, unsigned long esid) return false; } -static bool preload_add(struct thread_info *ti, unsigned long ea) +static void preload_add(struct thread_info *ti, unsigned long ea) { unsigned char idx; unsigned long esid; + if (slb_preload_disabled()) + return; + if (mmu_has_feature(MMU_FTR_1T_SEGMENT)) { /* EAs are stored >> 28 so 256MB segments don't need clearing */ if (ea & ESID_MASK_1T) @@ -308,7 +320,7 @@ static bool preload_add(struct thread_info *ti, unsigned long ea) esid = ea >> SID_SHIFT; if (preload_hit(ti, esid)) - return false; + return; idx = (ti->slb_preload_tail + ti->slb_preload_nr) % SLB_PRELOAD_NR; ti->slb_preload_esid[idx] = esid; @@ -316,8 +328,6 @@ static bool preload_add(struct thread_info *ti, unsigned long ea) ti->slb_preload_tail = (ti->slb_preload_tail + 1) % SLB_PRELOAD_NR; else ti->slb_preload_nr++; - - return true; } static void preload_age(struct thread_info *ti) @@ -328,94 +338,6 @@ static void preload_age(struct thread_info *ti) ti->slb_preload_tail = (ti->slb_preload_tail + 1) % SLB_PRELOAD_NR; } -void slb_setup_new_exec(void) -{ - struct thread_info *ti = current_thread_info(); - struct mm_struct *mm = current->mm; - unsigned long exec = 0x10000000; - - WARN_ON(irqs_disabled()); - - /* - * preload cache can only be used to determine whether a SLB - * entry exists if it does not start to overflow. - */ - if (ti->slb_preload_nr + 2 > SLB_PRELOAD_NR) - return; - - hard_irq_disable(); - - /* - * We have no good place to clear the slb preload cache on exec, - * flush_thread is about the earliest arch hook but that happens - * after we switch to the mm and have already preloaded the SLBEs. - * - * For the most part that's probably okay to use entries from the - * previous exec, they will age out if unused. It may turn out to - * be an advantage to clear the cache before switching to it, - * however. - */ - - /* - * preload some userspace segments into the SLB. - * Almost all 32 and 64bit PowerPC executables are linked at - * 0x10000000 so it makes sense to preload this segment. - */ - if (!is_kernel_addr(exec)) { - if (preload_add(ti, exec)) - slb_allocate_user(mm, exec); - } - - /* Libraries and mmaps. */ - if (!is_kernel_addr(mm->mmap_base)) { - if (preload_add(ti, mm->mmap_base)) - slb_allocate_user(mm, mm->mmap_base); - } - - /* see switch_slb */ - asm volatile("isync" : : : "memory"); - - local_irq_enable(); -} - -void preload_new_slb_context(unsigned long start, unsigned long sp) -{ - struct thread_info *ti = current_thread_info(); - struct mm_struct *mm = current->mm; - unsigned long heap = mm->start_brk; - - WARN_ON(irqs_disabled()); - - /* see above */ - if (ti->slb_preload_nr + 3 > SLB_PRELOAD_NR) - return; - - hard_irq_disable(); - - /* Userspace entry address. */ - if (!is_kernel_addr(start)) { - if (preload_add(ti, start)) - slb_allocate_user(mm, start); - } - - /* Top of stack, grows down. */ - if (!is_kernel_addr(sp)) { - if (preload_add(ti, sp)) - slb_allocate_user(mm, sp); - } - - /* Bottom of heap, grows up. */ - if (heap && !is_kernel_addr(heap)) { - if (preload_add(ti, heap)) - slb_allocate_user(mm, heap); - } - - /* see switch_slb */ - asm volatile("isync" : : : "memory"); - - local_irq_enable(); -} - static void slb_cache_slbie_kernel(unsigned int index) { unsigned long slbie_data = get_paca()->slb_cache[index]; @@ -502,6 +424,9 @@ void switch_slb(struct task_struct *tsk, struct mm_struct *mm) copy_mm_to_paca(mm); + if (slb_preload_disabled()) + return; + /* * We gradually age out SLBs after a number of context switches to * reduce reload overhead of unused entries (like we do with FP/VEC diff --git a/arch/powerpc/mm/ptdump/8xx.c b/arch/powerpc/mm/ptdump/8xx.c index 4ca9cf7a90c9..ff845f251724 100644 --- a/arch/powerpc/mm/ptdump/8xx.c +++ b/arch/powerpc/mm/ptdump/8xx.c @@ -71,18 +71,23 @@ static const struct flag_info flag_array[] = { struct ptdump_pg_level pg_level[5] = { { /* pgd */ + .name = "PGD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* p4d */ + .name = "P4D", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pud */ + .name = "PUD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pmd */ + .name = "PMD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pte */ + .name = "PTE", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, diff --git a/arch/powerpc/mm/ptdump/book3s64.c b/arch/powerpc/mm/ptdump/book3s64.c index 6b2da9241d4c..e8a21c6dc32e 100644 --- a/arch/powerpc/mm/ptdump/book3s64.c +++ b/arch/powerpc/mm/ptdump/book3s64.c @@ -104,18 +104,23 @@ static const struct flag_info flag_array[] = { struct ptdump_pg_level pg_level[5] = { { /* pgd */ + .name = "PGD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* p4d */ + .name = "P4D", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pud */ + .name = "PUD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pmd */ + .name = "PMD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pte */ + .name = "PTE", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, diff --git a/arch/powerpc/mm/ptdump/hashpagetable.c b/arch/powerpc/mm/ptdump/hashpagetable.c index a6baa6166d94..671d0dc00c6d 100644 --- a/arch/powerpc/mm/ptdump/hashpagetable.c +++ b/arch/powerpc/mm/ptdump/hashpagetable.c @@ -216,6 +216,8 @@ static int native_find(unsigned long ea, int psize, bool primary, u64 *v, u64 vpn = hpt_vpn(ea, vsid, ssize); hash = hpt_hash(vpn, shift, ssize); want_v = hpte_encode_avpn(vpn, psize, ssize); + if (cpu_has_feature(CPU_FTR_ARCH_300)) + want_v = hpte_old_to_new_v(want_v); /* to check in the secondary hash table, we invert the hash */ if (!primary) @@ -229,6 +231,10 @@ static int native_find(unsigned long ea, int psize, bool primary, u64 *v, u64 /* HPTE matches */ *v = be64_to_cpu(hptep->v); *r = be64_to_cpu(hptep->r); + if (cpu_has_feature(CPU_FTR_ARCH_300)) { + *v = hpte_new_to_old_v(*v, *r); + *r = hpte_new_to_old_r(*r); + } return 0; } ++hpte_group; diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c index b2358d794855..0d499aebee72 100644 --- a/arch/powerpc/mm/ptdump/ptdump.c +++ b/arch/powerpc/mm/ptdump/ptdump.c @@ -178,6 +178,7 @@ static void dump_addr(struct pg_state *st, unsigned long addr) pt_dump_seq_printf(st->seq, REG "-" REG " ", st->start_address, addr - 1); pt_dump_seq_printf(st->seq, " " REG " ", st->start_pa); pt_dump_size(st->seq, addr - st->start_address); + pt_dump_seq_printf(st->seq, "%s ", pg_level[st->level].name); } static void note_prot_wx(struct pg_state *st, unsigned long addr) diff --git a/arch/powerpc/mm/ptdump/ptdump.h b/arch/powerpc/mm/ptdump/ptdump.h index 4232aa4b57ea..12aa9eca8b0c 100644 --- a/arch/powerpc/mm/ptdump/ptdump.h +++ b/arch/powerpc/mm/ptdump/ptdump.h @@ -13,6 +13,7 @@ struct flag_info { struct ptdump_pg_level { const struct flag_info *flag; + char name[4]; size_t num; u64 mask; }; diff --git a/arch/powerpc/mm/ptdump/shared.c b/arch/powerpc/mm/ptdump/shared.c index 58998960eb9a..edc69da19b85 100644 --- a/arch/powerpc/mm/ptdump/shared.c +++ b/arch/powerpc/mm/ptdump/shared.c @@ -69,18 +69,23 @@ static const struct flag_info flag_array[] = { struct ptdump_pg_level pg_level[5] = { { /* pgd */ + .name = "PGD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* p4d */ + .name = "P4D", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pud */ + .name = "PUD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pmd */ + .name = "PMD", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, { /* pte */ + .name = "PTE", .flag = flag_array, .num = ARRAY_SIZE(flag_array), }, diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c index cb7b9498f291..80d944f29288 100644 --- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c +++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c @@ -123,6 +123,8 @@ static int mcu_gpiochip_add(struct mcu *mcu) gc->owner = THIS_MODULE; gc->label = kasprintf(GFP_KERNEL, "%pfw", dev_fwnode(dev)); + if (!gc->label) + return -ENOMEM; gc->can_sleep = 1; gc->ngpio = MCU_NUM_GPIO; gc->base = -1; diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 2c07387201d0..2ddb93df4817 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -726,7 +726,7 @@ static inline void crash_register_spus(struct list_head *list) } #endif -static void spu_shutdown(void) +static void spu_shutdown(void *data) { struct spu *spu; @@ -738,10 +738,14 @@ static void spu_shutdown(void) mutex_unlock(&spu_full_list_mutex); } -static struct syscore_ops spu_syscore_ops = { +static const struct syscore_ops spu_syscore_ops = { .shutdown = spu_shutdown, }; +static struct syscore spu_syscore = { + .ops = &spu_syscore_ops, +}; + static int __init init_spu_base(void) { int i, ret = 0; @@ -774,7 +778,7 @@ static int __init init_spu_base(void) crash_register_spus(&spu_full_list); mutex_unlock(&spu_full_list_mutex); spu_add_dev_attr(&dev_attr_stat); - register_syscore_ops(&spu_syscore_ops); + register_syscore(&spu_syscore); spu_init_affinity(); diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 78c4b6ce5f13..577a00c25217 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -127,7 +127,7 @@ spufs_new_file(struct super_block *sb, struct dentry *dentry, inode->i_fop = fops; inode->i_size = size; inode->i_private = SPUFS_I(inode)->i_ctx = get_spu_context(ctx); - d_add(dentry, inode); + d_make_persistent(dentry, inode); out: return ret; } @@ -163,10 +163,9 @@ static int spufs_fill_dir(struct dentry *dir, return -ENOMEM; ret = spufs_new_file(dir->d_sb, dentry, files->ops, files->mode & mode, files->size, ctx); - if (ret) { - dput(dentry); + dput(dentry); + if (ret) return ret; - } files++; } return 0; @@ -241,11 +240,10 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags, inode_lock(inode); - dget(dentry); inc_nlink(dir); inc_nlink(inode); - d_instantiate(dentry, inode); + d_make_persistent(dentry, inode); if (flags & SPU_CREATE_NOSCHED) ret = spufs_fill_dir(dentry, spufs_dir_nosched_contents, @@ -468,10 +466,9 @@ spufs_mkgang(struct inode *dir, struct dentry *dentry, umode_t mode) inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; - d_instantiate(dentry, inode); - dget(dentry); inc_nlink(dir); - inc_nlink(d_inode(dentry)); + inc_nlink(inode); + d_make_persistent(dentry, inode); return ret; out_iput: @@ -758,7 +755,7 @@ static struct file_system_type spufs_type = { .name = "spufs", .init_fs_context = spufs_init_fs_context, .parameters = spufs_fs_parameters, - .kill_sb = kill_litter_super, + .kill_sb = kill_anon_super, }; MODULE_ALIAS_FS("spufs"); diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c index 79741370c40c..1796327955c6 100644 --- a/arch/powerpc/platforms/powermac/backlight.c +++ b/arch/powerpc/platforms/powermac/backlight.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/backlight.h> #include <linux/adb.h> +#include <linux/of.h> #include <linux/pmu.h> #include <linux/atomic.h> #include <linux/export.h> diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index c37783a03d25..1959cc13438f 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -600,7 +600,7 @@ not_found: return viaint; } -static int pmacpic_suspend(void) +static int pmacpic_suspend(void *data) { int viaint = pmacpic_find_viaint(); @@ -621,7 +621,7 @@ static int pmacpic_suspend(void) return 0; } -static void pmacpic_resume(void) +static void pmacpic_resume(void *data) { int i; @@ -634,15 +634,19 @@ static void pmacpic_resume(void) pmac_unmask_irq(irq_get_irq_data(i)); } -static struct syscore_ops pmacpic_syscore_ops = { +static const struct syscore_ops pmacpic_syscore_ops = { .suspend = pmacpic_suspend, .resume = pmacpic_resume, }; +static struct syscore pmacpic_syscore = { + .ops = &pmacpic_syscore_ops, +}; + static int __init init_pmacpic_syscore(void) { if (pmac_irq_hw[0]) - register_syscore_ops(&pmacpic_syscore_ops); + register_syscore(&pmacpic_syscore); return 0; } diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c index cc22924f159f..6554537984fb 100644 --- a/arch/powerpc/platforms/pseries/lparcfg.c +++ b/arch/powerpc/platforms/pseries/lparcfg.c @@ -78,6 +78,8 @@ struct hvcall_ppp_data { u8 capped; u8 weight; u8 unallocated_weight; + u8 resource_group_index; + u16 active_procs_in_resource_group; u16 active_procs_in_pool; u16 active_system_procs; u16 phys_platform_procs; @@ -86,7 +88,7 @@ struct hvcall_ppp_data { }; /* - * H_GET_PPP hcall returns info in 4 parms. + * H_GET_PPP hcall returns info in 5 parms. * entitled_capacity,unallocated_capacity, * aggregation, resource_capability). * @@ -94,11 +96,11 @@ struct hvcall_ppp_data { * R5 = Unallocated Processor Capacity Percentage. * R6 (AABBCCDDEEFFGGHH). * XXXX - reserved (0) - * XXXX - reserved (0) + * XXXX - Active Cores in Resource Group * XXXX - Group Number * XXXX - Pool Number. * R7 (IIJJKKLLMMNNOOPP). - * XX - reserved. (0) + * XX - Resource group Number * XX - bit 0-6 reserved (0). bit 7 is Capped indicator. * XX - variable processor Capacity Weight * XX - Unallocated Variable Processor Capacity Weight. @@ -120,9 +122,11 @@ static unsigned int h_get_ppp(struct hvcall_ppp_data *ppp_data) ppp_data->entitlement = retbuf[0]; ppp_data->unallocated_entitlement = retbuf[1]; + ppp_data->active_procs_in_resource_group = (retbuf[2] >> 4 * 8) & 0xffff; ppp_data->group_num = (retbuf[2] >> 2 * 8) & 0xffff; ppp_data->pool_num = retbuf[2] & 0xffff; + ppp_data->resource_group_index = (retbuf[3] >> 7 * 8) & 0xff; ppp_data->capped = (retbuf[3] >> 6 * 8) & 0x01; ppp_data->weight = (retbuf[3] >> 5 * 8) & 0xff; ppp_data->unallocated_weight = (retbuf[3] >> 4 * 8) & 0xff; @@ -236,6 +240,13 @@ static void parse_ppp_data(struct seq_file *m) seq_printf(m, "unallocated_capacity=%lld\n", ppp_data.unallocated_entitlement); + if (ppp_data.active_procs_in_resource_group) { + seq_printf(m, "resource_group_number=%d\n", + ppp_data.resource_group_index); + seq_printf(m, "resource_group_active_processors=%d\n", + ppp_data.active_procs_in_resource_group); + } + /* The last bits of information returned from h_get_ppp are only * valid if the ibm,partition-performance-parameters-level * property is >= 1. diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index aeb8633a3d00..8c77ec7980de 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -29,7 +29,7 @@ struct pci_controller *init_phb_dynamic(struct device_node *dn) nid = of_node_to_nid(dn); if (likely((nid) >= 0)) { if (!node_online(nid)) { - if (register_one_node(nid)) { + if (register_node(nid)) { pr_err("PCI: Failed to register node %d\n", nid); } else { update_numa_distance(dn); diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c index 217cea150987..7ed07232a69a 100644 --- a/arch/powerpc/sysdev/fsl_lbc.c +++ b/arch/powerpc/sysdev/fsl_lbc.c @@ -350,7 +350,7 @@ err: #ifdef CONFIG_SUSPEND /* save lbc registers */ -static int fsl_lbc_syscore_suspend(void) +static int fsl_lbc_syscore_suspend(void *data) { struct fsl_lbc_ctrl *ctrl; struct fsl_lbc_regs __iomem *lbc; @@ -374,7 +374,7 @@ out: } /* restore lbc registers */ -static void fsl_lbc_syscore_resume(void) +static void fsl_lbc_syscore_resume(void *data) { struct fsl_lbc_ctrl *ctrl; struct fsl_lbc_regs __iomem *lbc; @@ -408,10 +408,14 @@ static const struct of_device_id fsl_lbc_match[] = { }; #ifdef CONFIG_SUSPEND -static struct syscore_ops lbc_syscore_pm_ops = { +static const struct syscore_ops lbc_syscore_pm_ops = { .suspend = fsl_lbc_syscore_suspend, .resume = fsl_lbc_syscore_resume, }; + +static struct syscore lbc_syscore_pm = { + .ops = &lbc_syscore_pm_ops, +}; #endif static struct platform_driver fsl_lbc_ctrl_driver = { @@ -425,7 +429,7 @@ static struct platform_driver fsl_lbc_ctrl_driver = { static int __init fsl_lbc_init(void) { #ifdef CONFIG_SUSPEND - register_syscore_ops(&lbc_syscore_pm_ops); + register_syscore(&lbc_syscore_pm); #endif return platform_driver_register(&fsl_lbc_ctrl_driver); } diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index ef7707ea0db7..4e501654cb41 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -1258,7 +1258,7 @@ static void fsl_pci_syscore_do_suspend(struct pci_controller *hose) send_pme_turnoff_message(hose); } -static int fsl_pci_syscore_suspend(void) +static int fsl_pci_syscore_suspend(void *data) { struct pci_controller *hose, *tmp; @@ -1291,7 +1291,7 @@ static void fsl_pci_syscore_do_resume(struct pci_controller *hose) setup_pci_atmu(hose); } -static void fsl_pci_syscore_resume(void) +static void fsl_pci_syscore_resume(void *data) { struct pci_controller *hose, *tmp; @@ -1299,10 +1299,14 @@ static void fsl_pci_syscore_resume(void) fsl_pci_syscore_do_resume(hose); } -static struct syscore_ops pci_syscore_pm_ops = { +static const struct syscore_ops pci_syscore_pm_ops = { .suspend = fsl_pci_syscore_suspend, .resume = fsl_pci_syscore_resume, }; + +static struct syscore pci_syscore_pm = { + .ops = &pci_syscore_pm_ops, +}; #endif void fsl_pcibios_fixup_phb(struct pci_controller *phb) @@ -1359,7 +1363,7 @@ static struct platform_driver fsl_pci_driver = { static int __init fsl_pci_init(void) { #ifdef CONFIG_PM_SLEEP - register_syscore_ops(&pci_syscore_pm_ops); + register_syscore(&pci_syscore_pm); #endif return platform_driver_register(&fsl_pci_driver); } diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 70be2105865d..290ba8427239 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -817,7 +817,7 @@ static struct { u32 sercr; } ipic_saved_state; -static int ipic_suspend(void) +static int ipic_suspend(void *data) { struct ipic *ipic = primary_ipic; @@ -848,7 +848,7 @@ static int ipic_suspend(void) return 0; } -static void ipic_resume(void) +static void ipic_resume(void *data) { struct ipic *ipic = primary_ipic; @@ -870,18 +870,22 @@ static void ipic_resume(void) #define ipic_resume NULL #endif -static struct syscore_ops ipic_syscore_ops = { +static const struct syscore_ops ipic_syscore_ops = { .suspend = ipic_suspend, .resume = ipic_resume, }; +static struct syscore ipic_syscore = { + .ops = &ipic_syscore_ops, +}; + static int __init init_ipic_syscore(void) { if (!primary_ipic || !primary_ipic->regs) return -ENODEV; printk(KERN_DEBUG "Registering ipic system core operations\n"); - register_syscore_ops(&ipic_syscore_ops); + register_syscore(&ipic_syscore); return 0; } diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index ad7310bba00b..67e51998d1ae 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1944,7 +1944,7 @@ static void mpic_suspend_one(struct mpic *mpic) } } -static int mpic_suspend(void) +static int mpic_suspend(void *data) { struct mpic *mpic = mpics; @@ -1986,7 +1986,7 @@ static void mpic_resume_one(struct mpic *mpic) } /* end for loop */ } -static void mpic_resume(void) +static void mpic_resume(void *data) { struct mpic *mpic = mpics; @@ -1996,19 +1996,23 @@ static void mpic_resume(void) } } -static struct syscore_ops mpic_syscore_ops = { +static const struct syscore_ops mpic_syscore_ops = { .resume = mpic_resume, .suspend = mpic_suspend, }; +static struct syscore mpic_syscore = { + .ops = &mpic_syscore_ops, +}; + static int mpic_init_sys(void) { int rc; - register_syscore_ops(&mpic_syscore_ops); + register_syscore(&mpic_syscore); rc = subsys_system_register(&mpic_subsys, NULL); if (rc) { - unregister_syscore_ops(&mpic_syscore_ops); + unregister_syscore(&mpic_syscore); pr_err("mpic: Failed to register subsystem!\n"); return rc; } diff --git a/arch/powerpc/sysdev/mpic_timer.c b/arch/powerpc/sysdev/mpic_timer.c index 7166e2e0baaf..60f5b3934b51 100644 --- a/arch/powerpc/sysdev/mpic_timer.c +++ b/arch/powerpc/sysdev/mpic_timer.c @@ -519,7 +519,7 @@ out: kfree(priv); } -static void mpic_timer_resume(void) +static void mpic_timer_resume(void *data) { struct timer_group_priv *priv; @@ -535,10 +535,14 @@ static const struct of_device_id mpic_timer_ids[] = { {}, }; -static struct syscore_ops mpic_timer_syscore_ops = { +static const struct syscore_ops mpic_timer_syscore_ops = { .resume = mpic_timer_resume, }; +static struct syscore mpic_timer_syscore = { + .ops = &mpic_timer_syscore_ops, +}; + static int __init mpic_timer_init(void) { struct device_node *np = NULL; @@ -546,7 +550,7 @@ static int __init mpic_timer_init(void) for_each_matching_node(np, mpic_timer_ids) timer_group_init(np); - register_syscore_ops(&mpic_timer_syscore_ops); + register_syscore(&mpic_timer_syscore); if (list_empty(&timer_group_list)) return -ENODEV; diff --git a/arch/powerpc/tools/head_check.sh b/arch/powerpc/tools/head_check.sh index 689907cda996..a9cd06958921 100644 --- a/arch/powerpc/tools/head_check.sh +++ b/arch/powerpc/tools/head_check.sh @@ -1,3 +1,4 @@ +#!/bin/sh # Copyright © 2016 IBM Corporation # This program is free software; you can redistribute it and/or |