KVM: SVM: Don't use kmap_atomic in nested_svm_map

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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 7597f129d8)

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Joerg Roedel 2010-02-19 16:23:00 +01:00 • committed by Greg Kroah-Hartman

parent eaeb91e532

commit 6a8b016c48

1 changed files with 24 additions and 23 deletions

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arch/x86/kvm/svm.c

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