Messages in this thread Patch in this message | | | Subject | Re: [tip:x86/cpu] x86, intel, power: Correct the MSR_IA32_ENERGY_PERF_BIAS message | From | Christoph Fritz <> | Date | Thu, 18 Aug 2011 19:23:07 +0200 |
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On Sat, 2011-07-16 at 18:52 +0000, tip-bot for Len Brown wrote: > Commit-ID: 17edf2d79f1ea6dfdb4c444801d928953b9f98d6 > Gitweb: http://git.kernel.org/tip/17edf2d79f1ea6dfdb4c444801d928953b9f98d6 > Author: Len Brown <len.brown@intel.com> > AuthorDate: Fri, 15 Jul 2011 17:37:15 -0400 > Committer: H. Peter Anvin <hpa@linux.intel.com> > CommitDate: Fri, 15 Jul 2011 15:13:55 -0700 > > 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>
This "table" should be stable :)
Cc: <stable@kernel.org> Reviewed-by: Christoph Fritz <chf.fritz@googlemail.com>
Thanks, Christoph
> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> > --- > arch/x86/kernel/cpu/intel.c | 10 +++++----- > 1 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c > index da0d779..ed6086e 100644 > --- a/arch/x86/kernel/cpu/intel.c > +++ b/arch/x86/kernel/cpu/intel.c > @@ -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); > } > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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