Remove a WARN that was added as part of the recent I/O overhaul to play
nice with SEV-ES string I/O.
For the record, my FIXME in lieu of a WARN was deliberate, as I suspected
userspace could trigger a WARN ;-)
Based on kvm/master, commit 95e16b4792b0 ("KVM: SEV-ES: go over the
sev_pio_data buffer in multiple passes if needed").
Sean Christopherson (2):
KVM: x86: Don't WARN if userspace mucks with RCX during string I/O
exit
KVM: selftests: Add test to verify KVM doesn't explode on "bad" I/O
arch/x86/kvm/x86.c | 9 +-
tools/testing/selftests/kvm/.gitignore | 1 +
tools/testing/selftests/kvm/Makefile | 1 +
.../selftests/kvm/x86_64/userspace_io_test.c | 114 ++++++++++++++++++
4 files changed, 123 insertions(+), 2 deletions(-)
create mode 100644 tools/testing/selftests/kvm/x86_64/userspace_io_test.c
--
2.33.0.1079.g6e70778dc9-goog
