Re: [Intel-gfx] [PATCH v5 0/7] Introduce __xchg, non-atomic xchg

[Andrzej Hajda]

On 22.02.2023 18:04, Peter Zijlstra wrote:
> On Wed, Jan 18, 2023 at 04:35:22PM +0100, Andrzej Hajda wrote:
>
> > Andrzej Hajda (7):
> >    arch: rename all internal names __xchg to __arch_xchg
> >    linux/include: add non-atomic version of xchg
> >    arch/*/uprobes: simplify arch_uretprobe_hijack_return_addr
> >    llist: simplify __llist_del_all
> >    io_uring: use __xchg if possible
> >    qed: use __xchg if possible
> >    drm/i915/gt: use __xchg instead of internal helper
>
> Nothing crazy in here I suppose, I somewhat wonder why you went through
> the trouble, but meh.

If you are asking why I have proposed this patchset, then the answer is 
simple, 1st I've tried to find a way to move internal i915 helper to 
core (see patch 7).
Then I was looking for possible other users of this helper. And 
apparently there are many of them, patches 3-7 shows some.


> You want me to take this through te locking tree (for the next cycle,
> not this one) where I normally take atomic things or does someone else
> want this?

If you could take it I will be happy.

Regards
Andrzej