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SubjectRe: READ_ONCE() + STACKPROTECTOR_STRONG == :/ (was Re: [GIT PULL] Please pull powerpc/linux.git powerpc-5.5-2 tag (topic/kasan-bitops))
On Tue, Dec 17, 2019 at 10:05:53AM -0800, Linus Torvalds wrote:
> On Tue, Dec 17, 2019 at 10:04 AM Linus Torvalds
> <> wrote:
> >
> > Let me think about it.
> .. and in the short term, maybe for code generation, the right thing
> is to just do the cast in the bitops, where we can just cast to
> "unsigned long *" and remove the volatile that way.

Yeah, I think I'll spin that patch series tomorrow anyway, since I don't
think we need to hold it up.

> I'm still hoping there's a trick, but..

Well, there's always Peter's awful hack [1] but it's really gross. FWIW,
I've pushed the handful of patches I have to [2], which drop the GCC 4.8
workaround and introduce a non-atomic version instead of the



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