* [PATCH] target/i386: Remove split lock detect in Snowridge CPU model
@ 2021-06-30 1:20 Chenyi Qiang
2021-08-11 20:03 ` Eduardo Habkost
0 siblings, 1 reply; 2+ messages in thread
From: Chenyi Qiang @ 2021-06-30 1:20 UTC (permalink / raw)
To: Eduardo Habkost, Paolo Bonzini, Richard Henderson; +Cc: Xiaoyao Li, qemu-devel
At present, there's no mechanism intelligent enough to virtualize split
lock detection correctly. Remove it in Snowridge CPU model to avoid the
feature exposure.
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
---
target/i386/cpu.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index a9fe1662d3..c3b527b7b0 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -3698,6 +3698,14 @@ static const X86CPUDefinition builtin_x86_defs[] = {
{ /* end of list */ },
},
},
+ {
+ .version = 4,
+ .note = "no split lock detect",
+ .props = (PropValue[]) {
+ { "split-lock-detect", "off" },
+ { /* end of list */ },
+ },
+ },
{ /* end of list */ },
},
},
--
2.17.1
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2021-06-30 1:20 [PATCH] target/i386: Remove split lock detect in Snowridge CPU model Chenyi Qiang
2021-08-11 20:03 ` Eduardo Habkost
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