From: Avi Kivity Date: Mon, 10 May 2010 10:08:26 +0000 (+0300) Subject: KVM: Reduce atomic operations on vcpu->requests X-Git-Tag: v2.6.36-rc1~580^2~64 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0719837c0832a7b305e42327caa7d330462360ea;p=pandora-kernel.git KVM: Reduce atomic operations on vcpu->requests Usually the vcpu->requests bitmap is sparse, so a test_and_clear_bit() for each request generates a large number of unneeded atomics if a bit is set. Replace with a separate test/clear sequence. This is safe since there is no clear_bit() outside the vcpu thread. Signed-off-by: Avi Kivity --- Reading git-diff-tree failed