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(parent: f162b32) | patch
KVM: SEV-ES: fix length of string I/O
authorPaolo Bonzini <pbonzini@redhat.com>
Tue, 12 Oct 2021 15:07:59 +0000 (11:07 -0400)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 15 Oct 2021 08:47:36 +0000 (04:47 -0400)
commit9b2ef8bea6cd0fec7edb81e73882a6439ff2ca64
tree28dfb7d5ddd48e4d36a5a9c01fd65b3e4ff7789atree | snapshot
parentf162b32f2184960dda78e69d06784ed1804a180acommit | diff
KVM: SEV-ES: fix length of string I/O

The size of the data in the scratch buffer is not divided by the size of
each port I/O operation, so vcpu->arch.pio.count ends up being larger
than it should be by a factor of size.

Cc: stable@vger.kernel.org
Fixes: a15bb587483f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/svm/sev.c diff | blob | history
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