[PATCH 46/62] x86/sev-es: Handle INVD Events
From: Joerg Roedel <joro@8bytes.org>
Date: 2020-02-11 13:55:27
Also in:
kvm, lkml
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
From: Tom Lendacky <thomas.lendacky@amd.com> Implement a handler for #VC exceptions caused by INVD instructions. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> [ jroedel@suse.de: Adapt to #VC handling infrastructure ] Co-developed-by: Joerg Roedel <redacted> Signed-off-by: Joerg Roedel <redacted> --- arch/x86/kernel/sev-es.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c
index e96332516c2a..485f5a14c3b4 100644
--- a/arch/x86/kernel/sev-es.c
+++ b/arch/x86/kernel/sev-es.c@@ -308,6 +308,11 @@ static enum es_result handle_rdpmc(struct ghcb *ghcb, struct es_em_ctxt *ctxt) return ES_OK; } +static enum es_result handle_invd(struct ghcb *ghcb, struct es_em_ctxt *ctxt) +{ + return ghcb_hv_call(ghcb, ctxt, SVM_EXIT_INVD, 0, 0); +} + static enum es_result handle_vc_exception(struct es_em_ctxt *ctxt, struct ghcb *ghcb, unsigned long exit_code,
@@ -328,6 +333,9 @@ static enum es_result handle_vc_exception(struct es_em_ctxt *ctxt, case SVM_EXIT_RDPMC: result = handle_rdpmc(ghcb, ctxt); break; + case SVM_EXIT_INVD: + result = handle_invd(ghcb, ctxt); + break; case SVM_EXIT_CPUID: result = handle_cpuid(ghcb, ctxt); break;
--
2.17.1