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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@redhat.com>
Message-Id: <1452010645-25380-1-git-send-email-mst@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2016-01-05 18:17:53 +02:00 committed by Martin Schwidefsky
parent c667aeacc1
commit 0dab3e0e59
1 changed files with 0 additions and 2 deletions
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arch/s390/kernel/vdso.c
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@ -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);