The following commit has been merged into the x86/seves branch of tip: Commit-ID: 8b4ce83707cb2cff5f6d175ea38f751ac4456096 Gitweb: https://git.kernel.org/tip/8b4ce83707cb2cff5f6d175ea38f751ac4456096 Author: Tom Lendacky <[email protected]> AuthorDate: Mon, 07 Sep 2020 15:15:57 +02:00 Committer: Borislav Petkov <[email protected]> CommitterDate: Wed, 09 Sep 2020 11:33:20 +02:00
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 <[email protected]> [ [email protected]: Adapt to #VC handling infrastructure ] Co-developed-by: Joerg Roedel <[email protected]> Signed-off-by: Joerg Roedel <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Link: https://lkml.kernel.org/r/[email protected] --- arch/x86/kernel/sev-es.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c index b2d7287..236cfc1 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;
