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perfcounters: fix lapic initialization
author
Ingo Molnar
<mingo@elte.hu>
Sun, 14 Dec 2008 20:58:46 +0000
(21:58 +0100)
committer
Ingo Molnar
<mingo@elte.hu>
Sun, 14 Dec 2008 21:00:31 +0000
(22:00 +0100)
Fix non-working NMI sampling in certain bootup scenarios.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/cpu/perf_counter.c
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diff --git
a/arch/x86/kernel/cpu/perf_counter.c
b/arch/x86/kernel/cpu/perf_counter.c
index 6d30f603b62c3903061fc78e143163c9c20d1fda..8a154bd7ba94ad61bb0ebf4ba9d885bee54b37e3 100644
(file)
--- a/
arch/x86/kernel/cpu/perf_counter.c
+++ b/
arch/x86/kernel/cpu/perf_counter.c
@@
-557,10
+557,10
@@
void __init init_hw_perf_counters(void)
printk(KERN_INFO "... bit_width: %d\n", eax.split.bit_width);
printk(KERN_INFO "... mask_length: %d\n", eax.split.mask_length);
+ perf_counters_initialized = true;
+
perf_counters_lapic_init(0);
register_die_notifier(&perf_counter_nmi_notifier);
-
- perf_counters_initialized = true;
}
static void x86_perf_counter_read(struct perf_counter *counter)