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x86, intel, power: Correct the MSR_IA32_ENERGY_PERF_BIAS message 

Fix the printk_once() so that it actually prints (didn't print before
due to a stray comma.)

[ hpa: changed to an incremental patch and adjusted the description
  accordingly. ]

Signed-off-by: Len Brown <len.brown@intel.com>
Link: http://lkml.kernel.org/r/alpine.LFD.2.02.1107151732480.18606@x980
Cc: <table@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
hifive-unleashed-5.1
Len Brown 2011-07-15 17:37:15 -04:00 committed by H. Peter Anvin
parent 4bb82178f5
commit 17edf2d79f
1 changed files with 5 additions and 5 deletions
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10
arch/x86/kernel/cpu/intel.c
View File

@ -465,11 +465,11 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
u64 epb;
rdmsrl(MSR_IA32_ENERGY_PERF_BIAS, epb);
if ((epb & 0xF) == 0) {
printk_once(KERN_WARNING, "x86: updated energy_perf_bias"
" to 'normal' from 'performance'\n"
"You can view and update epb via utility,"
" such as x86_energy_perf_policy(8)\n");
if ((epb & 0xF) == ENERGY_PERF_BIAS_PERFORMANCE) {
printk_once(KERN_WARNING "ENERGY_PERF_BIAS:"
" Set to 'normal', was 'performance'\n"
"ENERGY_PERF_BIAS: View and update with"
" x86_energy_perf_policy(8)\n");
epb = (epb & ~0xF) | ENERGY_PERF_BIAS_NORMAL;
wrmsrl(MSR_IA32_ENERGY_PERF_BIAS, epb);
}