tree 1779b2bb158c8e1bf99560fb3fd16647e3e371f7
parent cafd66595d92591e4bd25c3904e004fc6f897e2d
author Avi Kivity <avi@redhat.com> 1272967112 +0300
committer Avi Kivity <avi@redhat.com> 1274258195 +0300

KVM: MMU: Don't read pdptrs with mmu spinlock held in mmu_alloc_roots

On svm, kvm_read_pdptr() may require reading guest memory, which can sleep.

Push the spinlock into mmu_alloc_roots(), and only take it after we've read
the pdptr.

Tested-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>