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| author |   Brian Gerst <brgerst@gmail.com> | 2025-03-03 11:52:38 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2025-03-04 20:30:33 +0100 |
| commit | 46e8fff6d45fe44cb0939c9339b6d5936551b1e4 (patch) | |
| tree | 77af8e2eb388bc26eec3ad148c5bc6a6f7ebae3b /arch/x86/kernel/cpu/common.c | |
| parent | x86/percpu: Move pcpu_hot to percpu hot section (diff) | |
| download | wireguard-linux-46e8fff6d45fe44cb0939c9339b6d5936551b1e4.tar.xz wireguard-linux-46e8fff6d45fe44cb0939c9339b6d5936551b1e4.zip | |
x86/preempt: Move preempt count to percpu hot section
No functional change.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250303165246.2175811-4-brgerst@gmail.com
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index f00870b2c980..a9d61537d4a6 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -2066,12 +2066,14 @@ __setup("setcpuid=", setup_setcpuid); DEFINE_PER_CPU_CACHE_HOT(struct pcpu_hot, pcpu_hot) = { .current_task = &init_task, - .preempt_count = INIT_PREEMPT_COUNT, .top_of_stack = TOP_OF_INIT_STACK, }; EXPORT_PER_CPU_SYMBOL(pcpu_hot); EXPORT_PER_CPU_SYMBOL(const_pcpu_hot); +DEFINE_PER_CPU_CACHE_HOT(int, __preempt_count) = INIT_PREEMPT_COUNT; +EXPORT_PER_CPU_SYMBOL(__preempt_count); + #ifdef CONFIG_X86_64 static void wrmsrl_cstar(unsigned long val) { |