summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorPeter Zijlstra2009-03-08 11:34:19 +0100
committerIngo Molnar2009-03-08 16:24:49 +0100
commit184fe4ab1f2e4dfa45584889bb3820031648386b (patch)
tree84dc2864567795669a01f6ce1e786934066b4695
parentperfcounters/powerpc: add support for POWER4 processors (diff)
downloadkernel-qcow2-linux-184fe4ab1f2e4dfa45584889bb3820031648386b.tar.gz
kernel-qcow2-linux-184fe4ab1f2e4dfa45584889bb3820031648386b.tar.xz
kernel-qcow2-linux-184fe4ab1f2e4dfa45584889bb3820031648386b.zip
x86: perf_counter cleanup
Use and actual unsigned long bitmap instead of casting our way around. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Jaswinder Singh Rajput <jaswinder@kernel.org> LKML-Reference: <1236508459.22914.3645.camel@twins> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/kernel/cpu/perf_counter.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index f5853718d4d3..1df421042b2a 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -37,7 +37,7 @@ struct cpu_hw_counters {
unsigned long used[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
unsigned long interrupts;
u64 throttle_ctrl;
- u64 active_mask;
+ unsigned long active_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
int enabled;
};
@@ -291,7 +291,7 @@ static void pmc_amd_restore_all(u64 ctrl)
return;
for (idx = 0; idx < nr_counters_generic; idx++) {
- if (test_bit(idx, (unsigned long *)&cpuc->active_mask)) {
+ if (test_bit(idx, cpuc->active_mask)) {
u64 val;
rdmsrl(MSR_K7_EVNTSEL0 + idx, val);
@@ -377,7 +377,7 @@ static void pmc_amd_enable(int idx, u64 config)
{
struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
- set_bit(idx, (unsigned long *)&cpuc->active_mask);
+ set_bit(idx, cpuc->active_mask);
if (cpuc->enabled)
config |= ARCH_PERFMON_EVENTSEL0_ENABLE;
@@ -401,7 +401,7 @@ static void pmc_amd_disable(int idx, u64 config)
{
struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
- clear_bit(idx, (unsigned long *)&cpuc->active_mask);
+ clear_bit(idx, cpuc->active_mask);
wrmsrl(MSR_K7_EVNTSEL0 + idx, config);
}