Re: [PATCH 0/2] "big hammer" for DAX msync/fsync correctness

From: H. Peter Anvin
Date: Fri Nov 06 2015 - 19:52:25 EST


On 11/06/15 15:17, Dan Williams wrote:
>>
>> Is it really required to do that on all cpus?
>
> I believe it is, but I'll double check.
>

It's required on all CPUs on which the DAX memory may have been dirtied.
This is similar to the way we flush TLBs.

-hpa


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