From: Avi Kivity Date: Mon, 10 May 2010 09:09:56 +0000 (+0300) Subject: KVM: MMU: Fix free memory accounting race in mmu_alloc_roots() X-Git-Tag: v2.6.36-rc1~580^2~160 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0f5933a1626c8df7b0bfd227819c66320fb4f0f;p=pandora-kernel.git KVM: MMU: Fix free memory accounting race in mmu_alloc_roots() We drop the mmu lock between freeing memory and allocating the roots; this allows some other vcpu to sneak in and allocate memory. While the race is benign (resulting only in temporary overallocation, not oom) it is simple and easy to fix by moving the freeing close to the allocation. Signed-off-by: Avi Kivity Signed-off-by: Marcelo Tosatti --- Reading git-diff-tree failed