From: Tom Lendacky <[email protected]> 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]> --- 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 8c7d32161c15..2d19a5e8388d 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; -- 2.27.0
