From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Date: Wed, 12 Jan 2011 07:41:22 +0000 (+0800)
Subject: KVM: make make_all_cpus_request() lockless
X-Git-Tag: v2.6.39-rc1~436^2~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3cba41307a2b1344ab8c1b9f55202d1e9d7bf81b;p=pandora-kernel.git

KVM: make make_all_cpus_request() lockless

Now, we have 'vcpu->mode' to judge whether need to send ipi to other
cpus, this way is very exact, so checking request bit is needless,
then we can drop the spinlock let it's collateral

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

Reading git-diff-tree failed