diff options
| author | Like Xu <like.xu@linux.intel.com> | 2021-01-25 20:14:58 +0800 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-01-27 17:26:58 +0100 |
| commit | abd562df94d19d0a9769971a35801b3f4991715d (patch) | |
| tree | f1655aa09ed1617d1b6d25f7da44662d6be51f8e /arch/x86/events/intel | |
| parent | 9a7832ce3d920426a36cdd78eda4b3568d4d09e3 (diff) | |
x86/perf: Use static_call for x86_pmu.guest_get_msrs
Clean up that CONFIG_RETPOLINE crud and replace the
indirect call x86_pmu.guest_get_msrs with static_call().
Reported-by: kernel test robot <lkp@intel.com>
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20210125121458.181635-1-like.xu@linux.intel.com
Diffstat (limited to 'arch/x86/events/intel')
| -rw-r--r-- | arch/x86/events/intel/core.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index d4569bfa83e3..93adf53cce5f 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -3680,26 +3680,6 @@ static int intel_pmu_hw_config(struct perf_event *event) return 0; } -#ifdef CONFIG_RETPOLINE -static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr); -static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr); -#endif - -struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr) -{ -#ifdef CONFIG_RETPOLINE - if (x86_pmu.guest_get_msrs == intel_guest_get_msrs) - return intel_guest_get_msrs(nr); - else if (x86_pmu.guest_get_msrs == core_guest_get_msrs) - return core_guest_get_msrs(nr); -#endif - if (x86_pmu.guest_get_msrs) - return x86_pmu.guest_get_msrs(nr); - *nr = 0; - return NULL; -} -EXPORT_SYMBOL_GPL(perf_guest_get_msrs); - static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr) { struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); |