diff --git a/[refs] b/[refs] index 382172b7688b..f79918ca0a8a 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 3b0d516463f8deb897a55cb81e9dbbe58a2490ed +refs/heads/master: b27ea29c6267889be255f2217fa7a6106e6a8b04 diff --git a/trunk/arch/x86/kernel/cpu/perf_event.c b/trunk/arch/x86/kernel/cpu/perf_event.c index 5dacf63f913e..793e63f6c420 100644 --- a/trunk/arch/x86/kernel/cpu/perf_event.c +++ b/trunk/arch/x86/kernel/cpu/perf_event.c @@ -313,9 +313,10 @@ x86_perf_event_update(struct perf_event *event) static atomic_t active_events; static DEFINE_MUTEX(pmc_reserve_mutex); +#ifdef CONFIG_X86_LOCAL_APIC + static bool reserve_pmc_hardware(void) { -#ifdef CONFIG_X86_LOCAL_APIC int i; if (nmi_watchdog == NMI_LOCAL_APIC) @@ -330,11 +331,9 @@ static bool reserve_pmc_hardware(void) if (!reserve_evntsel_nmi(x86_pmu.eventsel + i)) goto eventsel_fail; } -#endif return true; -#ifdef CONFIG_X86_LOCAL_APIC eventsel_fail: for (i--; i >= 0; i--) release_evntsel_nmi(x86_pmu.eventsel + i); @@ -349,12 +348,10 @@ static bool reserve_pmc_hardware(void) enable_lapic_nmi_watchdog(); return false; -#endif } static void release_pmc_hardware(void) { -#ifdef CONFIG_X86_LOCAL_APIC int i; for (i = 0; i < x86_pmu.num_events; i++) { @@ -364,9 +361,15 @@ static void release_pmc_hardware(void) if (nmi_watchdog == NMI_LOCAL_APIC) enable_lapic_nmi_watchdog(); -#endif } +#else + +static bool reserve_pmc_hardware(void) { return true; } +static void release_pmc_hardware(void) {} + +#endif + static int reserve_ds_buffers(void); static void release_ds_buffers(void);