docs: kbase: Tune how CPU support for SEV should be queried

 #useless_use_of_cat + avoid accidental substring matches.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

diff --git a/docs/kbase/launch_security_sev.rst b/docs/kbase/launch_security_sev.rst
index 4a37c0c37994d382b108798eed7e771cd55e69dc..8f5841326122483a1a20899d933732d036ca9820 100644 (file)
--- a/docs/kbase/launch_security_sev.rst
+++ b/docs/kbase/launch_security_sev.rst
@@ -38,7 +38,7 @@ You can manually check whether SEV is among the CPU flags with:
 
 ::
 
-   $ cat /proc/cpuinfo | grep sev
+   $ grep -w sev /proc/cpuinfo
    ...
    sme ssbd sev ibpb