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cpu_map: Distinguish Cascadelake-Server from Skylake-Server

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The signatures of these two CPU model differ only in stepping as both
report family 6 and model 85. Skylake-Server uses stepping 4 or less and
Cascadelake-Server uses stepping 5..7.

https://bugzilla.redhat.com/show_bug.cgi?id=1761678

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Jiri Denemark
2020-04-08 17:52:50 +02:00
parent 3714779b15
commit 5d6059f8ec
7 changed files with 11 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/cpu_map/x86_Cascadelake-Server-noTSX.xml
+1 -1
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@@ -1,7 +1,7 @@
<cpus>
<model name='Cascadelake-Server-noTSX'>
<decode host='on' guest='off'/>
<signature family='6' model='85'/> <!-- 050654 -->
<signature family='6' model='85' stepping='5-7'/> <!-- 050654 -->
<vendor name='Intel'/>
<feature name='3dnowprefetch'/>
<feature name='abm'/>
src/cpu_map/x86_Cascadelake-Server.xml
+1 -1
View File
@@ -1,7 +1,7 @@
<cpus>
<model name='Cascadelake-Server'>
<decode host='on' guest='on'/>
<signature family='6' model='85'/> <!-- 050654 -->
<signature family='6' model='85' stepping='5-7'/> <!-- 050654 -->
<vendor name='Intel'/>
<feature name='3dnowprefetch'/>
<feature name='abm'/>
src/cpu_map/x86_Skylake-Server-IBRS.xml
+1 -1
View File
@@ -1,7 +1,7 @@
<cpus>
<model name='Skylake-Server-IBRS'>
<decode host='on' guest='on'/>
<signature family='6' model='85'/> <!-- 050654 -->
<signature family='6' model='85' stepping='0-4'/> <!-- 050654 -->
<vendor name='Intel'/>
<feature name='3dnowprefetch'/>
<feature name='abm'/>
src/cpu_map/x86_Skylake-Server-noTSX-IBRS.xml
+1 -1
View File
@@ -1,7 +1,7 @@
<cpus>
<model name='Skylake-Server-noTSX-IBRS'>
<decode host='on' guest='off'/>
<signature family='6' model='85'/> <!-- 050654 -->
<signature family='6' model='85' stepping='0-4'/> <!-- 050654 -->
<vendor name='Intel'/>
<feature name='3dnowprefetch'/>
<feature name='abm'/>
src/cpu_map/x86_Skylake-Server.xml
+1 -1
View File
@@ -1,7 +1,7 @@
<cpus>
<model name='Skylake-Server'>
<decode host='on' guest='on'/>
<signature family='6' model='85'/> <!-- 050654 -->
<signature family='6' model='85' stepping='0-4'/> <!-- 050654 -->
<vendor name='Intel'/>
<feature name='3dnowprefetch'/>
<feature name='abm'/>