KVM: x86: fix vcpu initialization with userspace lapic

Browse source

commit b7e31be385 upstream.

Moving the code around broke this rare configuration.
Use this opportunity to finally call lapic reset from vcpu reset.

Reported-by: syzbot+fb7a33a4b6c35007a72b@syzkaller.appspotmail.com
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Fixes: 0b2e9904c1 ("KVM: x86: move LAPIC initialization after VMCS creation")
Cc: stable@vger.kernel.org
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Radim Krčmář 2018-03-01 15:24:25 +01:00 • committed by Greg Kroah-Hartman

parent 1f17daea70

commit b4830f3ad9

2 changed files with 6 additions and 7 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

10

arch/x86/kvm/lapic.c

View file

3

arch/x86/kvm/x86.c

View file