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authorJoerg Roedel <joerg.roedel@amd.com>2010-05-17 14:43:35 +0200
committerAvi Kivity <avi@redhat.com>2010-06-09 18:47:20 +0300
commit67ec66077799f2fef84b21a643912b179c422281 (patch)
tree594b609d3d6408d325fb55170242fe9551be3c5b /arch/x86/include/asm/msr-index.h
parentfe5913e4e1700cbfc337f4b1da9ddb26f6a55586 (diff)
downloadop-kernel-dev-67ec66077799f2fef84b21a643912b179c422281.zip
op-kernel-dev-67ec66077799f2fef84b21a643912b179c422281.tar.gz
KVM: SVM: Implement workaround for Erratum 383
This patch implements a workaround for AMD erratum 383 into KVM. Without this erratum fix it is possible for a guest to kill the host machine. This patch implements the suggested workaround for hypervisors which will be published by the next revision guide update. [jan: fix overflow warning on i386] [xiao: fix unused variable warning] Cc: stable@kernel.org Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/msr-index.h')
-rw-r--r--arch/x86/include/asm/msr-index.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index b49d8ca..8c7ae43 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -110,6 +110,7 @@
#define MSR_AMD64_PATCH_LOADER 0xc0010020
#define MSR_AMD64_OSVW_ID_LENGTH 0xc0010140
#define MSR_AMD64_OSVW_STATUS 0xc0010141
+#define MSR_AMD64_DC_CFG 0xc0011022
#define MSR_AMD64_IBSFETCHCTL 0xc0011030
#define MSR_AMD64_IBSFETCHLINAD 0xc0011031
#define MSR_AMD64_IBSFETCHPHYSAD 0xc0011032
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