From: Avi Kivity <avi@redhat.com>
Date: Tue, 11 Jan 2011 10:15:54 +0000 (+0200)
Subject: KVM: Initialize fpu state in preemptible context
X-Git-Tag: v2.6.38-rc1~244^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5c301428294cb8925667c9ee39f817c4ab1c2c9;p=pandora-kernel.git

KVM: Initialize fpu state in preemptible context

init_fpu() (which is indirectly called by the fpu switching code) assumes
it is in process context.  Rather than makeing init_fpu() use an atomic
allocation, which can cause a task to be killed, make sure the fpu is
already initialized when we enter the run loop.

KVM-Stable-Tag.
Reported-and-tested-by: Kirill A. Shutemov <kas@openvz.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

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