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| author | Sean Christopherson <seanjc@google.com> | 2021-09-15 00:09:50 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-22 17:33:11 +0300 |
| commit | 50c038018d6be20361e8a2890262746a4ac5b11f (patch) | |
| tree | 792de9e65c26956fc4708e493f1a2d56e29960cb /samples | |
| parent | f1815e0aa770f2127c5df31eb5c2f0e37b60fa77 (diff) | |
| download | linux-50c038018d6be20361e8a2890262746a4ac5b11f.tar.xz | |
KVM: SEV: Pin guest memory for write for RECEIVE_UPDATE_DATA
Require the target guest page to be writable when pinning memory for
RECEIVE_UPDATE_DATA. Per the SEV API, the PSP writes to guest memory:
The result is then encrypted with GCTX.VEK and written to the memory
pointed to by GUEST_PADDR field.
Fixes: 15fb7de1a7f5 ("KVM: SVM: Add KVM_SEV_RECEIVE_UPDATE_DATA command")
Cc: stable@vger.kernel.org
Cc: Peter Gonda <pgonda@google.com>
Cc: Marc Orr <marcorr@google.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210914210951.2994260-2-seanjc@google.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Peter Gonda <pgonda@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'samples')
0 files changed, 0 insertions, 0 deletions