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yaml
---
r: 175441
b: refs/heads/master
c: 1255803
h: refs/heads/master
i:
  175439: 9ace373
v: v3
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Cyrill Gorcunov authored and Ingo Molnar committed Dec 10, 2009
1 parent 8f449e7 commit 7fe5de8
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Showing 2 changed files with 13 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5e855db5d8fec44e6604eb245aa9077bbd3f0d05
refs/heads/master: 125580380f418000b1a06d9a54700f1191b6e561
18 changes: 12 additions & 6 deletions trunk/arch/x86/kernel/cpu/perf_event.c
Original file line number Diff line number Diff line change
Expand Up @@ -2066,12 +2066,6 @@ static __init int p6_pmu_init(void)

x86_pmu = p6_pmu;

if (!cpu_has_apic) {
pr_info("no APIC, boot with the \"lapic\" boot parameter to force-enable it.\n");
pr_info("no hardware sampling interrupt available.\n");
x86_pmu.apic = 0;
}

return 0;
}

Expand Down Expand Up @@ -2163,6 +2157,16 @@ static __init int amd_pmu_init(void)
return 0;
}

static void __init pmu_check_apic(void)
{
if (cpu_has_apic)
return;

x86_pmu.apic = 0;
pr_info("no APIC, boot with the \"lapic\" boot parameter to force-enable it.\n");
pr_info("no hardware sampling interrupt available.\n");
}

void __init init_hw_perf_events(void)
{
int err;
Expand All @@ -2184,6 +2188,8 @@ void __init init_hw_perf_events(void)
return;
}

pmu_check_apic();

pr_cont("%s PMU driver.\n", x86_pmu.name);

if (x86_pmu.num_events > X86_PMC_MAX_GENERIC) {
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