Re: [PATCH v2] buffer: Fix I/O error due to ARM read-after-read hazard

[Herbert Xu]

On Wed, Nov 20, 2019 at 07:18:40PM +0000, Will Deacon wrote:
>
> > The Alpha barrier matters for pointers, how could it make a
> > difference for individual bits?
> 
> I guess you could use the result of test_bit to index into an array or
> something?

Can Alpha Assembly even do this without using a branch?

Cheers,
-- 
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