Re: [GIT PULL] Add two-byte cmpxchg emulation function for v7.4

[Bradley Morgan]

On 20 October 2026 19:48:32 BST, John Paul Adrian Glaubitz
<glaubitz@xxxxxxxxxxxxxxxxxxx> wrote:
>Hi Paul,
>
>On Fri, 2026-10-16 at 20:51 -0700, Paul E. McKenney wrote:
>> However, it sadly does not permit easy implementation of all algorithms
>> needing on two-byte atomic operations because there are some systems
>still
>> supported by Linux that do not have native two-byte store instructions.
>> There is reason to believe that these systems will soon no longer be
>> supported by Linux.
>
>Since this paragraph has produced a headline today [1], would you mind
>clarifying what you meant here? What architectures are you talking about?
>
>Thanks,
>Adrian
>
>> [1] https://www.phoronix.com/news/Linux-7.4-Two-Byte-CMPXCHG

Annoyingly my name isn't on there :(

But I'm happy it IS a headline :)

>
>

--- Thanks!
https://lore.kernel.org/all/EE579805-42F2-4C58-B752-F28779EEB717@xxxxxxxxx/