[libvirt] [PATCH] "pclmuldq" was introduced with Westmere, not Sandy Bridge. This feature is important to get proper performance for aes-128-gcm in openssl, an important cipher for https communication.
Jan-Frode Myklebust
janfrode at tanso.net
Tue Oct 7 19:22:12 UTC 2014
Signed-off-by: Jan-Frode Myklebust <janfrode at tanso.net>
---
src/cpu/cpu_map.xml | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/cpu/cpu_map.xml b/src/cpu/cpu_map.xml
index 18c7b0d..94f1458 100644
--- a/src/cpu/cpu_map.xml
+++ b/src/cpu/cpu_map.xml
@@ -488,11 +488,11 @@
<model name='Westmere'>
<model name='Nehalem'/>
<feature name='aes'/>
+ <feature name='pclmuldq'/>
</model>
<model name='SandyBridge'>
<model name='Westmere'/>
- <feature name='pclmuldq'/>
<feature name='x2apic'/>
<feature name='tsc-deadline'/>
<feature name='xsave'/>
--
1.7.1
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