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| author | Jon Nettleton <jon.nettleton@gmail.com> | 2011-03-16 15:32:47 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-17 09:32:14 +0100 |
| commit | 1eda75c131ea42ec173323b6c34aeed78ae637c1 (patch) | |
| tree | 0f9908ad64c51658c8d4b8f94c9ffb4d79e31010 | |
| parent | 344c21c32287755b5cda0eeb84adb4546a57c1db (diff) | |
| download | linux-stable-1eda75c131ea42ec173323b6c34aeed78ae637c1.tar.gz linux-stable-1eda75c131ea42ec173323b6c34aeed78ae637c1.tar.bz2 linux-stable-1eda75c131ea42ec173323b6c34aeed78ae637c1.zip | |
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 <dsd@laptop.org>
Cc: dilinger@queued.net
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | 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 283c5a6a03a6..e6d3013f7ec3 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 |