From 790c94e3240549de61881aebb94d4d933252e540 Mon Sep 17 00:00:00 2001 From: Danilo de Paula Date: Mon, 20 May 2019 18:29:57 +0100 Subject: [PATCH] target/i386: define md-clear bit RH-Author: Danilo de Paula Message-id: <20190520182957.26425-1-ddepaula@redhat.com> Patchwork-id: 88110 O-Subject: [RHEL-8 + RHEL-AV qemu-kvm PATCH] target/i386: define md-clear bit Bugzilla: 1703297 1703304 1703310 1707274 RH-Acked-by: Daniel P. Berrange RH-Acked-by: Miroslav Rezanina RH-Acked-by: John Snow From: Paolo Bonzini BZ: 1703310 BZ: 1703304 BZ: 1703297 BZ: 1707274 branch: rhel-av-8.1.0/master-4.0.0 BZ: 1705851 BZ: 1704542 BZ: 1704538 BZ: 1704534 branch: rhel-av-8.0.1 BZ: 1703308 BZ: 1703302 branch: rhel-8.1.0 md-clear is a new CPUID bit which is set when microcode provides the mechanism to invoke a flush of various exploitable CPU buffers by invoking the VERW instruction. Signed-off-by: Paolo Bonzini Signed-off-by: Danilo C. L. de Paula --- 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 6472cd2..3886464 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1076,7 +1076,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { .feat_names = { NULL, NULL, "avx512-4vnniw", "avx512-4fmaps", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, + NULL, NULL, "md-clear", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, -- 1.8.3.1