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Message-Id: <20110316153247.30CBC9D401E@zog.reactivated.net> Date: Wed, 16 Mar 2011 15:32:47 +0000 (GMT) From: Daniel Drake <dsd@...top.org> To: x86@...nel.org Cc: jon.nettleton@...il.com Subject: [PATCH] x86: Use PentiumPro-optimized partial_csum() on VIA C7 From: Jon Nettleton <jon.nettleton@...il.com> Testing on the OLPC XO-1.5 (VIA C7-M 1000MHz CPU) shows a partial_csum() speed increase by a factor of 1.5 when we switch to the Pentium-optimized version. Signed-off-by: Daniel Drake <dsd@...top.org> --- arch/x86/Kconfig.cpu | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index ed47e6e..75d89ac 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -366,7 +366,7 @@ config X86_INTEL_USERCOPY config X86_USE_PPRO_CHECKSUM def_bool y - depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2 || MATOM + depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MVIAC7 || MEFFICEON || MGEODE_LX || MCORE2 || MATOM config X86_USE_3DNOW def_bool y -- 1.7.4 -- 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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