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| author |   Sean Christopherson <sean.j.christopherson@intel.com> | 2019-08-27 14:40:34 -0700 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2019-09-24 14:31:07 +0200 |
| commit | 738fece46dc5e1bb1309a827a2b69056143b3d13 (patch) | |
| tree | 33246d9a226b6b7953d686a9eaf9d1a1b674e964 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | KVM: x86: Move #UD injection for failed emulation into emulation code (diff) | |
| download | wireguard-linux-738fece46dc5e1bb1309a827a2b69056143b3d13.tar.xz wireguard-linux-738fece46dc5e1bb1309a827a2b69056143b3d13.zip | |
KVM: x86: Exit to userspace on emulation skip failure
Kill a few birds with one stone by forcing an exit to userspace on skip
emulation failure. This removes a reference to EMULATE_FAIL, fixes a
bug in handle_ept_misconfig() where it would exit to userspace without
setting run->exit_reason, and fixes a theoretical bug in SVM's
task_switch_interception() where it would overwrite run->exit_reason on
a return of EMULATE_USER_EXIT.
Note, this technically doesn't fully fix task_switch_interception()
as it now incorrectly handles EMULATE_FAIL, but in practice there is no
bug as EMULATE_FAIL will never be returned for EMULTYPE_SKIP.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions