From: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
AMD Zen expose the Intel equivalant to Speculative Store Bypass Disable
via the 0x80000008_EBX[25] CPUID feature bit.
This needs to be exposed to guest OS to allow them to protect
against CVE-2018-3639.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
Message-Id: <20180521215424.13520-3-berra...@redhat.com>
Signed-off-by: Eduardo Habkost <ehabk...@redhat.com>
(cherry picked from commit 403503b162ffc33fb64cfefdf7b880acf41772cd)
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
target/i386/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index bc087e95c3..1acf300cf8 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -490,7 +490,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
"ibpb", NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL,
+ NULL, "virt-ssbd", NULL, NULL,
NULL, NULL, NULL, NULL,
},
.cpuid_eax = 0x80000008,
--
2.11.0
