[2/2] docs: recommend use of md-clear feature on all Intel CPUs
diff mbox series

Message ID 20190515141011.5315-3-berrange@redhat.com
State New
Headers show
Series
  • x86/cpu: add "md-clear" feature for MDS security flaws
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Commit Message

Daniel P. Berrangé May 15, 2019, 2:10 p.m. UTC
Update x86 CPU model guidance to recommend that the md-clear feature is
manually enabled with all Intel CPU models, when supported by the host
microcode.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 docs/qemu-cpu-models.texi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Patch
diff mbox series

diff --git a/docs/qemu-cpu-models.texi b/docs/qemu-cpu-models.texi
index 23c11dc86f..ad040cfc98 100644
--- a/docs/qemu-cpu-models.texi
+++ b/docs/qemu-cpu-models.texi
@@ -200,6 +200,18 @@  Not included by default in any Intel CPU model.
 Should be explicitly turned on for all Intel CPU models.
 
 Note that not all CPU hardware will support this feature.
+
+@item @code{md-clear}
+
+Required to confirm the MDS (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130,
+CVE-2019-11091) fixes.
+
+Not included by default in any Intel CPU model.
+
+Must be explicitly turned on for all Intel CPU models.
+
+Requires the host CPU microcode to support this feature before it
+can be used for guest CPUs.
 @end table