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perf: Fix bogus kernel printk 

Andy spotted the fail in what was intended as a conditional printk level.

Reported-by: Andy Lutomirski <luto@amacapital.net>
Fixes: cc6cd47e73 ("perf/x86: Tone down kernel messages when the PMU check fails in a virtual environment")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20141007124757.GH19379@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra (Intel) 2014-10-07 19:07:33 +02:00 committed by Ingo Molnar
parent e53f6124af
commit 65d71fe137
1 changed files with 3 additions and 2 deletions
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5
arch/x86/kernel/cpu/perf_event.c
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@ -243,8 +243,9 @@ static bool check_hw_exists(void)
msr_fail:
printk(KERN_CONT "Broken PMU hardware detected, using software events only.\n");
printk(boot_cpu_has(X86_FEATURE_HYPERVISOR) ? KERN_INFO : KERN_ERR
"Failed to access perfctr msr (MSR %x is %Lx)\n", reg, val_new);
printk("%sFailed to access perfctr msr (MSR %x is %Lx)\n",
boot_cpu_has(X86_FEATURE_HYPERVISOR) ? KERN_INFO : KERN_ERR,
reg, val_new);
return false;
}