Re: [PATCH] crypto: caam/jr - Remove extra memory barrier during job ring dequeue

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Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> writes:
> On Thu, May 02, 2019 at 11:08:55AM +0000, Horia Geanta wrote:
>> >> +
>> >>  static inline void wr_reg32(void __iomem *reg, u32 data)
>> >>  {
>> >>  	if (caam_little_end)
>> > 
>> > This crashes on my p5020ds. Did you test on powerpc?
>> > 
>> > # first bad commit: [bbfcac5ff5f26aafa51935a62eb86b6eacfe8a49] crypto: caam/jr - Remove extra memory barrier during job ring dequeue
>> 
>> Thanks for the report Michael.
>> 
>> Any hint what would be the proper approach here - to have relaxed I/O accessors
>> that would work both for ARM and PPC, and avoid ifdeffery etc.?
>
> Since no fix has been found I'm reverting the commit in question.

Thanks.

Sorry I haven't had time to look into it with everything else going on
during the merge window.

cheers



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