Messages in this thread Patch in this message | | | Date | Mon, 8 Sep 2008 10:52:06 -0700 | From | "H. Peter Anvin" <> | Subject | [git pull] x86 fixes |
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Linus,
Please pull the latest x86-fixes-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus
Thanks,
-hpa
------------------> H. Peter Anvin (1): x86: enable CONFIG_X86_GENERIC by default
arch/x86/Kconfig.cpu | 19 ++++++++++--------- 1 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index 2c518fb..46d0acf 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -279,17 +279,18 @@ config GENERIC_CPU endchoice config X86_GENERIC - bool "Generic x86 support" + bool "Generic x86 support" if EMBEDDED depends on X86_32 + default y help - Instead of just including optimizations for the selected - x86 variant (e.g. PII, Crusoe or Athlon), include some more - generic optimizations as well. This will make the kernel - perform better on x86 CPUs other than that selected. - - This is really intended for distributors who need more - generic optimizations. - + Instead of just including optimizations and workarounds for + the selected x86 variant (e.g. PII, Crusoe or Athlon), + include some more generic optimizations and workarounds as + well. Without this option, the kernel is not guaranteed to + run on anything other than the exact CPU selected. + + Disable this if you want to run the kernel on a specific CPU + *only* and want maximum optimizations for that CPU. endif config X86_CPU
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