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Date: Mon, 15 Mar 2010 11:21:18 +0530 From: Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com> To: Greg KH <gregkh@...e.de> Cc: linux-kernel@...r.kernel.org, stable@...nel.org, stable-review@...nel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [patch 120/123] sched: Fix sched_mv_power_savings for !SMT * Greg KH <gregkh@...e.de> [2010-03-12 16:13:38]: > 2.6.33-stable review patch. If anyone has any objections, please let me know. Hi Greg, Thanks to pulling this into .32 and .33-stable. Please correct the subject and commit message to sched_mc_power_savings when you apply. The term sched_mv_power_savings is a typo. "sched: Fix sched_mc_power_savings for !SMT" Thanks, Vaidy Ref: http://lkml.org/lkml/2010/2/16/230 > ----------------- > > From: Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com> > > commit 28f5318167adf23b16c844b9c2253f355cb21796 upstream. > > Fix for sched_mc_powersavigs for pre-Nehalem platforms. > Child sched domain should clear SD_PREFER_SIBLING if parent will have > SD_POWERSAVINGS_BALANCE because they are contradicting. > > Sets the flags correctly based on sched_mc_power_savings. > > Signed-off-by: Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl> > LKML-Reference: <20100208100555.GD2931@...shya.in.ibm.com> > Signed-off-by: Thomas Gleixner <tglx@...utronix.de> > Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> > > --- > include/linux/sched.h | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > --- a/include/linux/sched.h > +++ b/include/linux/sched.h > @@ -878,7 +878,10 @@ static inline int sd_balance_for_mc_powe > if (sched_smt_power_savings) > return SD_POWERSAVINGS_BALANCE; > > - return SD_PREFER_SIBLING; > + if (!sched_mc_power_savings) > + return SD_PREFER_SIBLING; > + > + return 0; > } > > static inline int sd_balance_for_package_power(void) > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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