commit a6051f06a15c2d69cadcae565648247663a9e72e
author Nadav Amit <namit@vmware.com> Fri Jul 10 11:33:18 2020 -0700
committer Paolo Bonzini <pbonzini@redhat.com> Fri Jul 10 16:45:07 2020 -0400
tree 48ea153211881c8b65b8c61d44c29da54042610c
parent d86ef5851964521c4558e73e43187912718e6746

x86: svm: present bit is set on nested page-faults

On nested page-faults due to write-protect or reserved bits, the
present-bit in EXITINFO1 is set, as confirmed on bare-metal.  Set the
expected result accordingly.

This indicates that KVM has a bug.

Signed-off-by: Nadav Amit <namit@vmware.com>
Message-Id: <20200710183320.27266-3-namit@vmware.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

x86/svm_tests.c

diff --git a/x86/svm_tests.c b/x86/svm_tests.c
index af50252..3b0d019 100644
--- a/x86/svm_tests.c
+++ b/x86/svm_tests.c
@@ -815,7 +815,7 @@
     *pte |= (1ULL << 1);
 
     return (vmcb->control.exit_code == SVM_EXIT_NPF)
-           && (vmcb->control.exit_info_1 == 0x200000006ULL)
+           && (vmcb->control.exit_info_1 == 0x200000007ULL)
 	   && (vmcb->control.exit_info_2 == read_cr3());
 }
 
@@ -834,7 +834,7 @@
     pdpe[0] &= ~(1ULL << 8);
 
     return (vmcb->control.exit_code == SVM_EXIT_NPF)
-            && (vmcb->control.exit_info_1 == 0x20000000eULL);
+            && (vmcb->control.exit_info_1 == 0x20000000fULL);
 }
 
 static void npt_l1mmio_prepare(struct svm_test *test)