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| author | Peter Zijlstra <peterz@infradead.org> | 2023-01-12 20:43:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-13 11:03:21 +0100 |
| commit | 1f7c232ee080f01ded1236685a357f8926e8c7d5 (patch) | |
| tree | bdd1dbdc7472ce6c9eb2b1c10f138a1b3cbcdc71 /arch/x86/include/asm/perf_event.h | |
| parent | rseq: Increase AT_VECTOR_SIZE_BASE to match rseq auxvec entries (diff) | |
| download | linux-1f7c232ee080f01ded1236685a357f8926e8c7d5.tar.xz linux-1f7c232ee080f01ded1236685a357f8926e8c7d5.zip | |
x86/perf/amd: Remove tracing from perf_lopwr_cb()
The perf_lopwr_cb() function is called from the idle routines; there
is no RCU there, we must not enter tracing.
Use __always_inline, noidle annotations and existing no-trace methods.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20230112195539.392862891@infradead.org
Diffstat (limited to 'arch/x86/include/asm/perf_event.h')
| -rw-r--r-- | arch/x86/include/asm/perf_event.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index 5d0f6891ae61..76e7924cb10d 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -578,7 +578,7 @@ extern void perf_amd_brs_lopwr_cb(bool lopwr_in); DECLARE_STATIC_CALL(perf_lopwr_cb, perf_amd_brs_lopwr_cb); -static inline void perf_lopwr_cb(bool lopwr_in) +static __always_inline void perf_lopwr_cb(bool lopwr_in) { static_call_mod(perf_lopwr_cb)(lopwr_in); } |