Messages in this thread Patch in this message | | | Date | Sun, 28 Jun 2009 14:03:45 -0700 | From | Yinghai Lu <> | Subject | [PATCH] x86/perf_count: update x86_pmu after WARN |
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should print out before changing the value
[Impact: get right print when clipping num_conunters]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
--- arch/x86/kernel/cpu/perf_counter.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6/arch/x86/kernel/cpu/perf_counter.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/cpu/perf_counter.c +++ linux-2.6/arch/x86/kernel/cpu/perf_counter.c @@ -1496,17 +1496,17 @@ void __init init_hw_perf_counters(void) pr_cont("%s PMU driver.\n", x86_pmu.name); if (x86_pmu.num_counters > X86_PMC_MAX_GENERIC) { - x86_pmu.num_counters = X86_PMC_MAX_GENERIC; WARN(1, KERN_ERR "hw perf counters %d > max(%d), clipping!", x86_pmu.num_counters, X86_PMC_MAX_GENERIC); + x86_pmu.num_counters = X86_PMC_MAX_GENERIC; } perf_counter_mask = (1 << x86_pmu.num_counters) - 1; perf_max_counters = x86_pmu.num_counters; if (x86_pmu.num_counters_fixed > X86_PMC_MAX_FIXED) { - x86_pmu.num_counters_fixed = X86_PMC_MAX_FIXED; WARN(1, KERN_ERR "hw perf counters fixed %d > max(%d), clipping!", x86_pmu.num_counters_fixed, X86_PMC_MAX_FIXED); + x86_pmu.num_counters_fixed = X86_PMC_MAX_FIXED; } perf_counter_mask |=
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