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authorZwane Mwaikambo <zwane@arm.linux.org.uk>2005-05-01 11:58:51 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-01 11:58:51 -0400
commit3c3b73b6f50a47601b1897deb9c6b4b5ecadf591 (patch)
tree2502ba731983297470f40e6bec63cc6e0b18589d /arch/x86_64/kernel/entry.S
parent2f1b381825411fd3d5c8323dd1be77438e19e192 (diff)
[PATCH] cpuid x87 bit on AMD falsely marked as PNI
http://bugme.osdl.org/show_bug.cgi?id=4426 vendor_id : AuthenticAMD cpu family : 6 model : 10 model name : AMD Athlon(tm) XP stepping : 0 cpu MHz : 2204.807 <snipped> cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse pni syscall mmxext 3dnowext 3dnow bogomips : 4358.14 We're marking bit 0 of extended function 0x80000001 cpuid as PNI support on AMD processors, when it actually denotes x87 FPU present. Patch for i386 and x86_64 below. Signed-off-by: Zwane Mwaikambo <zwane@arm.linux.org.uk> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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