diff options
| -rw-r--r-- | arch/x86/kernel/cpu/perf_counter.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c index 2f41874..3776b0b 100644 --- a/arch/x86/kernel/cpu/perf_counter.c +++ b/arch/x86/kernel/cpu/perf_counter.c @@ -726,7 +726,8 @@ static inline void init_debug_store_on_cpu(int cpu) return; wrmsr_on_cpu(cpu, MSR_IA32_DS_AREA, - (u32)((u64)(long)ds), (u32)((u64)(long)ds >> 32)); + (u32)((u64)(unsigned long)ds), + (u32)((u64)(unsigned long)ds >> 32)); } static inline void fini_debug_store_on_cpu(int cpu) @@ -757,7 +758,7 @@ static void release_bts_hardware(void) per_cpu(cpu_hw_counters, cpu).ds = NULL; - kfree((void *)(long)ds->bts_buffer_base); + kfree((void *)(unsigned long)ds->bts_buffer_base); kfree(ds); } @@ -788,7 +789,7 @@ static int reserve_bts_hardware(void) break; } - ds->bts_buffer_base = (u64)(long)buffer; + ds->bts_buffer_base = (u64)(unsigned long)buffer; ds->bts_index = ds->bts_buffer_base; ds->bts_absolute_maximum = ds->bts_buffer_base + BTS_BUFFER_SIZE; @@ -1491,7 +1492,7 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc, }; struct perf_counter *counter = cpuc->counters[X86_PMC_IDX_FIXED_BTS]; unsigned long orig_ip = data->regs->ip; - u64 at; + struct bts_record *at, *top; if (!counter) return; @@ -1499,19 +1500,18 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc, if (!ds) return; - for (at = ds->bts_buffer_base; - at < ds->bts_index; - at += sizeof(struct bts_record)) { - struct bts_record *rec = (struct bts_record *)(long)at; + at = (struct bts_record *)(unsigned long)ds->bts_buffer_base; + top = (struct bts_record *)(unsigned long)ds->bts_index; - data->regs->ip = rec->from; - data->addr = rec->to; + ds->bts_index = ds->bts_buffer_base; + + for (; at < top; at++) { + data->regs->ip = at->from; + data->addr = at->to; perf_counter_output(counter, 1, data); } - ds->bts_index = ds->bts_buffer_base; - data->regs->ip = orig_ip; data->addr = 0; |