Re: [PATCH] alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering #2

On Fri, Apr 20, 2018 at 9:20 AM, Sinan Kaya wrote: > Hi Matt, > > On 4/17/2018 2:43 PM, Sinan Kaya wrote: >> On 4/16/2018 6:16 PM, Sinan Kaya wrote: >>> memory-barriers.txt has been updated with the following requirement. >>> >>> "When using writel(), a prior wmb() is not

Re: [PATCH] alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering #2

On 4/20/2018 12:20 PM, Sinan Kaya wrote: > Hi Matt, > > On 4/17/2018 2:43 PM, Sinan Kaya wrote: >> On 4/16/2018 6:16 PM, Sinan Kaya wrote: >>> memory-barriers.txt has been updated with the following requirement. >>> >>> "When using writel(), a prior wmb() is not needed to guarantee that the >>>

Re: [PATCH] alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering #2

Hi Matt, On 4/17/2018 2:43 PM, Sinan Kaya wrote: > On 4/16/2018 6:16 PM, Sinan Kaya wrote: >> memory-barriers.txt has been updated with the following requirement. >> >> "When using writel(), a prior wmb() is not needed to guarantee that the >> cache coherent memory writes have completed before

Re: [PATCH] alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering

On Thu, Apr 5, 2018 at 6:35 PM, Sinan Kaya wrote: > On 4/2/2018 1:48 PM, Sinan Kaya wrote: >> memory-barriers.txt has been updated with the following requirement. >> >> "When using writel(), a prior wmb() is not needed to guarantee that the >> cache coherent memory writes

Re: [PATCH] alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering

On 4/2/2018 1:48 PM, Sinan Kaya wrote: > memory-barriers.txt has been updated with the following requirement. > > "When using writel(), a prior wmb() is not needed to guarantee that the > cache coherent memory writes have completed before writing to the MMIO > region." > > Current writeX() and

[PATCH] alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering

memory-barriers.txt has been updated with the following requirement. "When using writel(), a prior wmb() is not needed to guarantee that the cache coherent memory writes have completed before writing to the MMIO region." Current writeX() and iowriteX() implementations on alpha are not satisfying