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KVM: MMU: Don't read pdptrs with mmu spinlock held in mmu_alloc_roots
authorAvi Kivity <avi@redhat.com>
Tue, 4 May 2010 09:58:32 +0000 (12:58 +0300)
committerAvi Kivity <avi@redhat.com>
Wed, 19 May 2010 08:36:35 +0000 (11:36 +0300)
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>

No differences found
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