From: Jon Nettleton Date: Wed, 16 Mar 2011 15:32:47 +0000 (+0000) Subject: x86: Use PentiumPro-optimized partial_csum() on VIA C7 X-Git-Tag: v2.6.39-rc1~425^2~6 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=1eda75c131ea42ec173323b6c34aeed78ae637c1;p=~emulex%2Finfiniband.git x86: Use PentiumPro-optimized partial_csum() on VIA C7 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 Cc: dilinger@queued.net Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index 283c5a6a03a..e6d3013f7ec 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -371,7 +371,7 @@ 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