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(parent: 2837fd9) | patch
x86: implement support to synchronize RDTSC through MFENCE on AMD CPUs
authorAndi Kleen <ak@suse.de>
Wed, 30 Jan 2008 12:32:37 +0000 (13:32 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:32:37 +0000 (13:32 +0100)
commite8da0e008f7939fa48700e68836af380e495c150
treedf7438f5ee81fc7c93f5e9ab3f4249a5afc3d31ctree | snapshot
parent2837fd944ff53cfb60a394d945376eb3f4dbd801commit | diff
x86: implement support to synchronize RDTSC through MFENCE on AMD CPUs

According to AMD RDTSC can be synchronized through MFENCE.
Implement the necessary CPUID bit for that.

Cc: andreas.herrmann3@amd.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/cpu/amd.c diff | blob | history
arch/x86/kernel/setup_64.c diff | blob | history
include/asm-x86/cpufeature.h diff | blob | history
Linux Kernel Source Tree.