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SubjectRe: [PATCH v2 00/13] Unify asm/unaligned.h around struct helper
On Fri, May 14, 2021 at 7:32 PM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Fri, May 14, 2021 at 3:02 AM Arnd Bergmann <arnd@kernel.org> wrote:
> >
> > I've included this version in the asm-generic tree for 5.14 already,
> > addressing the few issues that were pointed out in the RFC. If there
> > are any remaining problems, I hope those can be addressed as follow-up
> > patches.
>
> This continues to look great to me, and now has the even simpler
> remaining implementation.
>
> I'd be tempted to just pull it in for 5.13, but I guess we don't
> actually have any _outstanding_ bug in this area (the bug was in our
> zlib code, required -O3 to trigger, has been fixed now, and the biggy
> case didn't even use "get_unaligned()").
>
> So I guess your 5.14 timing is the right thing to do.

Yes, I think that's best, just in case something does come up. While all the
object code I looked at does appear better, this is one of those areas that
can be hard to pinpoint if we hit a regression in a particular combination of
architecture+compiler+source file.

I have pushed a signed tag to
https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git
asm-generic-unaligned-5.14

and plan to send that in the 5.14 merge window unless you decide to
take it now after all.

Arnd

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