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authorLinus Torvalds <torvalds@linux-foundation.org>2025-03-25 14:47:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-03-25 14:47:04 -0700
commita5b3d8660b049779880c790549ff3fef02f6922c (patch)
treedf07a0fd239a926a8713d22325497ac46bebd745 /kernel/cpu.c
parentdce3ab4c57e662ae019c22e7c2f2aa887617beae (diff)
parent628cc040b3a2980df6032766e8ef0688e981ab95 (diff)
Merge tag 'hyperv-next-signed-20250324' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu: - Add support for running as the root partition in Hyper-V (Microsoft Hypervisor) by exposing /dev/mshv (Nuno and various people) - Add support for CPU offlining in Hyper-V (Hamza Mahfooz) - Misc fixes and cleanups (Roman Kisel, Tianyu Lan, Wei Liu, Michael Kelley, Thorsten Blum) * tag 'hyperv-next-signed-20250324' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (24 commits) x86/hyperv: fix an indentation issue in mshyperv.h x86/hyperv: Add comments about hv_vpset and var size hypercall input args Drivers: hv: Introduce mshv_root module to expose /dev/mshv to VMMs hyperv: Add definitions for root partition driver to hv headers x86: hyperv: Add mshv_handler() irq handler and setup function Drivers: hv: Introduce per-cpu event ring tail Drivers: hv: Export some functions for use by root partition module acpi: numa: Export node_to_pxm() hyperv: Introduce hv_recommend_using_aeoi() arm64/hyperv: Add some missing functions to arm64 x86/mshyperv: Add support for extended Hyper-V features hyperv: Log hypercall status codes as strings x86/hyperv: Fix check of return value from snp_set_vmsa() x86/hyperv: Add VTL mode callback for restarting the system x86/hyperv: Add VTL mode emergency restart callback hyperv: Remove unused union and structs hyperv: Add CONFIG_MSHV_ROOT to gate root partition support hyperv: Change hv_root_partition into a function hyperv: Convert hypercall statuses to linux error codes drivers/hv: add CPU offlining support ...
Diffstat (limited to 'kernel/cpu.c')
-rw-r--r--kernel/cpu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index ad755db29efd..b08bb34b1718 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -526,6 +526,7 @@ void lockdep_assert_cpus_held(void)
percpu_rwsem_assert_held(&cpu_hotplug_lock);
}
+EXPORT_SYMBOL_GPL(lockdep_assert_cpus_held);
#ifdef CONFIG_LOCKDEP
int lockdep_is_cpus_held(void)