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| author | Gleb Natapov <gleb@redhat.com> | 2010-10-14 11:22:54 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-01-12 11:23:19 +0200 |
| commit | 6c047cd982f944fa63b2d96de2a06463d113f9fa (patch) | |
| tree | 33ea24341320d9adda2d2d3c0314a7244bac7862 /arch/x86/kvm/x86.c | |
| parent | 7c90705bf2a373aa238661bdb6446f27299ef489 (diff) | |
| download | op-kernel-dev-6c047cd982f944fa63b2d96de2a06463d113f9fa.zip op-kernel-dev-6c047cd982f944fa63b2d96de2a06463d113f9fa.tar.gz | |
KVM paravirt: Handle async PF in non preemptable context
If async page fault is received by idle task or when preemp_count is
not zero guest cannot reschedule, so do sti; hlt and wait for page to be
ready. vcpu can still process interrupts while it waits for the page to
be ready.
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
0 files changed, 0 insertions, 0 deletions
