Messages in this thread Patch in this message | | | Date | Thu, 17 Mar 2022 14:19:13 -0700 | Subject | [PATCH] x86/sev-es: Replace open-coded hlt-loop with sev_es_terminate() | From | Peter Gonda <> |
| |
Replace the hlt loop in handle_vc_boot_ghcb() with an sev_es_terminate(). The hlt gives the system no indication the guest is unhappy. The termination request will signal there was an error during VC handling during boot.
Cc: Borislav Petkov <bp@alien8.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: x86@kernel.org Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Peter Gonda <pgonda@google.com> --- arch/x86/kernel/sev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/kernel/sev.c b/arch/x86/kernel/sev.c index e6d316a01fdd..ae87fbf27724 100644 --- a/arch/x86/kernel/sev.c +++ b/arch/x86/kernel/sev.c @@ -1425,6 +1425,5 @@ bool __init handle_vc_boot_ghcb(struct pt_regs *regs) fail: show_regs(regs); - while (true) - halt(); + sev_es_terminate(GHCB_SEV_ES_GEN_REQ); } -- 2.35.1.894.gb6a874cedc-goog
| |