[PATCH] s390: drop smp_mb in vdso_init

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The initial s390 vdso code is heavily influenced by the powerpc version
which does have a smp_wmb in vdso_init right before the vdso_ready=1
assignment. s390 has no need for that.

Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---

Untested.

 arch/s390/kernel/vdso.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 59eddb0..a1cfd37 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -299,8 +299,6 @@ static int __init vdso_init(void)
 
 	get_page(virt_to_page(vdso_data));
 
-	smp_mb();
-
 	return 0;
 }
 early_initcall(vdso_init);
-- 
MST
--
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