Messages in this thread | | | From | Len Brown <> | Subject | Re: [PATCH 41/61] x86-64: Fix C3 timer test | Date | Wed, 1 Nov 2006 01:19:56 -0500 |
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Acked-by: Len Brown <len.brown@intel.com>
On Wednesday 01 November 2006 00:34, Chris Wright wrote: > -stable review patch. If anyone has any objections, please let us know. > ------------------ > > From: Andi Kleen <ak@suse.de> > > There was a typo in the C3 latency test to decide of the TSC > should be used or not. It used the C2 latency threshold, not the > C3 one. Fix that. > > This should fix the time on various dual core laptops. > > Signed-off-by: Andi Kleen <ak@suse.de> > Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> > Signed-off-by: Chris Wright <chrisw@sous-sol.org> > > --- > arch/x86_64/kernel/time.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- linux-2.6.18.1.orig/arch/x86_64/kernel/time.c > +++ linux-2.6.18.1/arch/x86_64/kernel/time.c > @@ -960,7 +960,7 @@ __cpuinit int unsynchronized_tsc(void) > if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) { > #ifdef CONFIG_ACPI > /* But TSC doesn't tick in C3 so don't use it there */ > - if (acpi_fadt.length > 0 && acpi_fadt.plvl3_lat < 100) > + if (acpi_fadt.length > 0 && acpi_fadt.plvl3_lat < 1000) > return 1; > #endif > return 0; > > -- > - > 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/ > - 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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