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33b5881d11
By definition smp_wmb only orders writes against writes. (Finish all previous writes, and do not start any future write). To protect the vdso init code against early reads on other CPUs, let's use a full smp_mb at the end of vdso init. As right now smp_wmb is implemented as full serialization, this needs no stable backport, but this change will be necessary if we reimplement smp_wmb. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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| kernel | ||
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| lib | ||
| mm | ||
| net | ||
| numa | ||
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| Makefile | ||