spin_unlock() has full barrier semantics already.
Signed-off-by: Andrew Cooper <[email protected]>
---
CC: Jan Beulich <[email protected]>
---
xen/arch/x86/cpu/mcheck/mctelem.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/xen/arch/x86/cpu/mcheck/mctelem.c
b/xen/arch/x86/cpu/mcheck/mctelem.c
index 492e2af..35431df 100644
--- a/xen/arch/x86/cpu/mcheck/mctelem.c
+++ b/xen/arch/x86/cpu/mcheck/mctelem.c
@@ -520,7 +520,6 @@ mctelem_cookie_t
mctelem_consume_oldest_begin(mctelem_class_t which)
}
mctelem_processing_hold(tep);
- wmb();
spin_unlock(&processing_lock);
return MCTE2COOKIE(tep);
}
@@ -531,7 +530,6 @@ void mctelem_consume_oldest_end(mctelem_cookie_t cookie)
spin_lock(&processing_lock);
mctelem_processing_release(tep);
- wmb();
spin_unlock(&processing_lock);
}
@@ -547,7 +545,6 @@ void mctelem_ack(mctelem_class_t which, mctelem_cookie_t
cookie)
spin_lock(&processing_lock);
if (tep == mctctl.mctc_processing_head[target])
mctelem_processing_release(tep);
- wmb();
spin_unlock(&processing_lock);
}
--
2.1.4
_______________________________________________
Xen-devel mailing list
[email protected]
https://lists.xenproject.org/mailman/listinfo/xen-devel
