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SubjectRe: [PATCH] drivers: net: xgene: fix: Out of order descriptor bytes read
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On Mon, 2015-01-26 at 13:27 -0800, Eric Dumazet wrote:

> What happens if you compile a kernel with CONFIG_SMP=n ?
>
>
> Most drivers in drivers/net use rmb() in this case, not smp_rmb() or
> barrier()

Note that dma_rmb() was recently added as well.





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