From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Mon, 1 Nov 2010 13:01:29 +0000 (+0100)
Subject: KVM: x86: Avoid issuing wbinvd twice
X-Git-Tag: v2.6.38-rc1~244^2~110
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2eec73437487aa690882cafddca6e4d93df46f26;p=pandora-kernel.git

KVM: x86: Avoid issuing wbinvd twice

Micro optimization to avoid calling wbinvd twice on the CPU that has to
emulate it. As we might be preempted between smp_call_function_many and
the local wbinvd, the cache might be filled again so that real work
could be done uselessly.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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