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Date: Fri, 31 Oct 2008 06:10:13 -0700 From: "Steven Noonan" <steven@...inklabs.net> To: "Dimitri Sivanich" <sivanich@....com> Cc: "Ingo Molnar" <mingo@...e.hu>, linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>, "Thomas Gleixner" <tglx@...utronix.de>, "Andrew Morton" <akpm@...ux-foundation.org> Subject: Re: [PATCH] small optimization to update_curr_rt On Fri, Oct 31, 2008 at 6:03 AM, Dimitri Sivanich <sivanich@....com> wrote: > A very minor improvement, but might it be better to check sched_rt_runtime(rt_rq) > before taking the rt_runtime_lock? Is it possible that the attribute sched_rt_runtime is checking could change by the time it acquires the lock? If not, should be fine, I think. - Steven -- 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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