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SubjectRe: Rampant ext3/4 corruption on 2.6.34-rc7 with VIVT ARM (Marvell 88f5182)
On Thu, May 13, 2010 at 08:47:11AM +1000, Benjamin Herrenschmidt wrote:
> Now, in the case at hand, which is my ARM based NAS, I believe this
> is non cache-coherent and thus uses cache flush ops. I don't know ARM
> well enough but I would expect these to be implicit barriers. Russell ?
> Nico ?

ARMv5 doesn't have a weak memory ordering model, and doesn't have any
memory barrier instructions.

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