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authorRobert Richter <robert.richter@amd.com>2009-04-29 12:47:07 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-29 14:51:05 +0200
commitdee5d9067ca78b317538fd67930be4e09a83dbc5 (patch)
treeba0a1053401ca5a8967bff67bd6fd3ef87da4b76 /arch
parentb7f8859a8ed1937e2139c17b84878f1d413fa659 (diff)
perf_counter, x86: remove ack_status() from struct x86_pmu
This function is Intel only and not necessary for AMD cpus. [ Impact: simplify code ] Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1241002046-8832-11-git-send-email-robert.richter@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/perf_counter.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index d0bb02919c6..6bbdc16cc69 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -51,7 +51,6 @@ struct x86_pmu {
int (*handle_irq)(struct pt_regs *, int);
u64 (*save_disable_all)(void);
void (*restore_all)(u64);
- void (*ack_status)(u64);
void (*enable)(int, u64);
void (*disable)(int, u64);
unsigned eventsel;
@@ -415,23 +414,11 @@ static inline u64 intel_pmu_get_status(u64 mask)
return status;
}
-static void intel_pmu_ack_status(u64 ack)
+static inline void intel_pmu_ack_status(u64 ack)
{
wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack);
}
-static void amd_pmu_ack_status(u64 ack)
-{
-}
-
-static void hw_perf_ack_status(u64 ack)
-{
- if (unlikely(!perf_counters_initialized))
- return;
-
- x86_pmu->ack_status(ack);
-}
-
static void intel_pmu_enable_counter(int idx, u64 config)
{
wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + idx,
@@ -788,7 +775,7 @@ again:
__x86_pmu_disable(counter, &counter->hw, bit);
}
- hw_perf_ack_status(ack);
+ intel_pmu_ack_status(ack);
/*
* Repeat if there is more work to be done:
@@ -904,7 +891,6 @@ static struct x86_pmu intel_pmu = {
.handle_irq = intel_pmu_handle_irq,
.save_disable_all = intel_pmu_save_disable_all,
.restore_all = intel_pmu_restore_all,
- .ack_status = intel_pmu_ack_status,
.enable = intel_pmu_enable_counter,
.disable = intel_pmu_disable_counter,
.eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
@@ -918,7 +904,6 @@ static struct x86_pmu amd_pmu = {
.handle_irq = amd_pmu_handle_irq,
.save_disable_all = amd_pmu_save_disable_all,
.restore_all = amd_pmu_restore_all,
- .ack_status = amd_pmu_ack_status,
.enable = amd_pmu_enable_counter,
.disable = amd_pmu_disable_counter,
.eventsel = MSR_K7_EVNTSEL0,