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* Use a new CPU feature word to cover features that are spread aroundVenki Pallipadi2007-07-121-0/+1
| | | | | | | | | | | | | | | | | | Some Intel features are spread around in different CPUID leafs like 0x5, 0x6 and 0xA. Make this feature detection code common across i386 and x86_64. Display Intel Dynamic Acceleration feature in /proc/cpuinfo. This feature will be enabled automatically by current acpi-cpufreq driver. Refer to Intel Software Developer's Manual for more details about the feature. Thanks to hpa (H Peter Anvin) for the making the actual code detecting the scattered features data-driven. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Unify the CPU features vectors between i386 and x86-64H. Peter Anvin2007-07-121-9/+29
| | | | | | | | | Unify the handling of the CPU features vectors between i386 and x86-64. This also adopts the collapsing of features which are required at compile-time into constant tests from x86-64 to i386. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] i386: Verify important CPUID bits in real modeAndi Kleen2007-05-021-0/+34
Check some CPUID bits that are needed for compiler generated early in boot. When the system is still in real mode before changing the VESA BIOS mode it is possible to still display an visible error message on the screen. Similar to x86-64. Includes cleanups from Eric Biederman Signed-off-by: Andi Kleen <ak@suse.de>