Re: [PATCH] alpha: provide ioread64 and iowrite64 implementations

Richard Henderson
2017-06-24T15:25:33Z

On 06/24/2017 08:19 AM, Logan Gunthorpe wrote:
> Hey,
>
> On 24/06/17 09:13 AM, Richard Henderson wrote:
>> All Alpha hosts except for Jensen provide 64-bit I/O operations.
>>
>> Jensen is EISA only, so there ought not be any devices that even
>> attempt such operations. But just in case, use 2 32-bit operations.
>
> Thanks for this, Richard.
>
> However, I was recently enlightened by the existence of the
> linux/io-64-nonatomic* headers. This is where the 2 32-bit operation
> functions belong. So you should probably remove them from this patch and
> let drivers that need them just include those headers.

This has nothing to do with drivers.

This is all about providing 64-bit operations for the 99.999% of alphas that do
have them.

r~