On Thu, 2009-12-17 at 13:48 +0000, Patrick O'Callaghan wrote: > bash-4.0$ grep lm /proc/cpuinfo > flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov > pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc > arch_perfmon pebs bts pni dtes64 monitor ds_cpl est tm2 ssse3 xtpr pdcm movbe > lahf_lm > flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov > pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc > arch_perfmon pebs bts pni dtes64 monitor ds_cpl est tm2 ssse3 xtpr pdcm movbe > lahf_lm > bash-4.0$ > > (the lahf_lm flag matches, though I've no idea what it means).
arch/x86/include/asm/cpufeature.h says it indicates whether the LAHF/SAHF (load status flags to AH /save AH to status flags) instructions are available in long mode. I'm not sure what it implies if you have lahf_lm but not lm! Regards, Bryn. -- fedora-list mailing list [email protected] To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
