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(parent: 28c0252) | patch
KVM: SVM: Don't use kmap_atomic in nested_svm_map
authorJoerg Roedel <joerg.roedel@amd.com>
Fri, 19 Feb 2010 15:23:00 +0000 (16:23 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 5 Jul 2010 18:16:11 +0000 (11:16 -0700)
commita5c3dc8e058b773220b9fa962e2535b832be1705
tree88661d777782a985c4150e8a222374f488f5e1datree
parent28c02526fa62beda0a30fe88154bab53cb2b86d7commit | diff
KVM: SVM: Don't use kmap_atomic in nested_svm_map

Use of kmap_atomic disables preemption but if we run in
shadow-shadow mode the vmrun emulation executes kvm_set_cr3
which might sleep or fault. So use kmap instead for
nested_svm_map.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
(cherry picked from commit 7597f129d8b6799da7a264e6d6f7401668d3a36d)
arch/x86/kvm/svm.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git