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From: Maxim Levitsky <mlevitsk@redhat.com>
To: kvm@vger.kernel.org
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Subject: [PATCH 2/4] svm: intercept shutdown in all svm tests by default
Date: Tue, 14 Sep 2021 19:30:06 +0300	[thread overview]
Message-ID: <20210914163008.309356-3-mlevitsk@redhat.com> (raw)
In-Reply-To: <20210914163008.309356-1-mlevitsk@redhat.com>

If L1 doesn't intercept shutdown, then L1 itself gets it,
which doesn't allow it to report the error that happened.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
---
 x86/svm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/x86/svm.c b/x86/svm.c
index f109caa..2210d68 100644
--- a/x86/svm.c
+++ b/x86/svm.c
@@ -174,7 +174,9 @@ void vmcb_ident(struct vmcb *vmcb)
 	save->cr2 = read_cr2();
 	save->g_pat = rdmsr(MSR_IA32_CR_PAT);
 	save->dbgctl = rdmsr(MSR_IA32_DEBUGCTLMSR);
-	ctrl->intercept = (1ULL << INTERCEPT_VMRUN) | (1ULL << INTERCEPT_VMMCALL);
+	ctrl->intercept = (1ULL << INTERCEPT_VMRUN) |
+			  (1ULL << INTERCEPT_VMMCALL) |
+			  (1ULL << INTERCEPT_SHUTDOWN);
 	ctrl->iopm_base_pa = virt_to_phys(io_bitmap);
 	ctrl->msrpm_base_pa = virt_to_phys(msr_bitmap);
 
-- 
2.26.3


  parent reply	other threads:[~2021-09-14 16:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-14 16:30 [PATCH 0/4] AMD's LBR test for nesting and few more fixes Maxim Levitsky
2021-09-14 16:30 ` [PATCH 1/4] svm: add SVM_BARE_VMRUN Maxim Levitsky
2021-09-14 16:30 ` Maxim Levitsky [this message]
2021-09-14 16:30 ` [PATCH 3/4] few fixes for pmu_lbr test Maxim Levitsky
2021-09-14 16:30 ` [PATCH 4/4] svm: add tests for LBR virtualization Maxim Levitsky

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