From: Andi Kleen <ak@suse.de>
Date: Wed, 30 Jan 2008 12:32:37 +0000 (+0100)
Subject: x86: implement support to synchronize RDTSC through MFENCE on AMD CPUs
X-Git-Tag: v2.6.25-rc1~1143^2~428
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de4218634e3df6d73a3e6cdfdf3a17fa3bc7e013;p=pandora-kernel.git

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>
---

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