]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 7894b7e) | patch
KVM: x86: Fix immediate_exit handling for uninitialized AP
authorJan H. Schönherr <jschoenh@amazon.de>
Wed, 6 Sep 2017 16:34:06 +0000 (18:34 +0200)
committerRadim Krčmář <rkrcmar@redhat.com>
Wed, 13 Sep 2017 14:40:24 +0000 (16:40 +0200)
commitc8bcc1f36e0ac132fd8667dc0a35d91a57f81b97
treed01b370f149fcd13d0f8d75ed226cf5b32f7ed31tree | snapshot
parent7894b7eb7d433bcb8c15bdb348147fcaf7306ca4commit | diff
KVM: x86: Fix immediate_exit handling for uninitialized AP

When user space sets kvm_run->immediate_exit, KVM is supposed to
return quickly. However, when a vCPU is in KVM_MP_STATE_UNINITIALIZED,
the value is not considered and the vCPU blocks.

Fix that oversight.

Fixes: ca5185cd2002b50 ("KVM: race-free exit from KVM_RUN without POSIX signals")
Signed-off-by: Jan H. Schönherr <jschoenh@amazon.de>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
arch/x86/kvm/x86.c diff | blob | history
Linux Kernel Source Tree.