On 3/21/2018 10:56 AM, David Miller wrote:
> From: Sinan Kaya
> Date: Mon, 19 Mar 2018 22:42:15 -0400
>
>> Code includes wmb() followed by writel() in multiple places. writel()
>> already has a barrier on some architectures like arm64.
>>
>> This ends up CPU observing two barriers back to back be
From: Sinan Kaya
Date: Mon, 19 Mar 2018 22:42:15 -0400
> Code includes wmb() followed by writel() in multiple places. writel()
> already has a barrier on some architectures like arm64.
>
> This ends up CPU observing two barriers back to back before executing the
> register write.
>
> Since code
Code includes wmb() followed by writel() in multiple places. writel()
already has a barrier on some architectures like arm64.
This ends up CPU observing two barriers back to back before executing the
register write.
Since code already has an explicit barrier call, changing writel() to
writel_rela
