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| author |   Tom Lendacky <thomas.lendacky@amd.com> | 2020-09-07 15:15:57 +0200 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2020-09-09 11:33:20 +0200 |
| commit | 8b4ce83707cb2cff5f6d175ea38f751ac4456096 (patch) | |
| tree | cef884b0fbaf79bfb05d963dd334afa36f982de5 | |
| parent | x86/sev-es: Handle RDPMC Events (diff) | |
| download | wireguard-linux-8b4ce83707cb2cff5f6d175ea38f751ac4456096.tar.xz wireguard-linux-8b4ce83707cb2cff5f6d175ea38f751ac4456096.zip | |
x86/sev-es: Handle INVD Events
Implement a handler for #VC exceptions caused by INVD instructions.
Since Linux should never use INVD, just mark it as unsupported.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
[ jroedel@suse.de: Adapt to #VC handling infrastructure ]
Co-developed-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-57-joro@8bytes.org
| -rw-r--r-- | arch/x86/kernel/sev-es.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c index b2d7287a9975..236cfc16f696 100644 --- a/arch/x86/kernel/sev-es.c +++ b/arch/x86/kernel/sev-es.c @@ -892,6 +892,10 @@ static enum es_result vc_handle_exitcode(struct es_em_ctxt *ctxt, case SVM_EXIT_RDPMC: result = vc_handle_rdpmc(ghcb, ctxt); break; + case SVM_EXIT_INVD: + pr_err_ratelimited("#VC exception for INVD??? Seriously???\n"); + result = ES_UNSUPPORTED; + break; case SVM_EXIT_CPUID: result = vc_handle_cpuid(ghcb, ctxt); break; |