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SubjectRe: [PATCHSET RFC v3 0/6] Add support for TIF_NOTIFY_SIGNAL

On Tue, Oct 13 2020 at 13:39, Jens Axboe wrote:
> On 10/12/20 11:27 AM, Miroslav Benes wrote:
> I'm continuing to hone the series, what's really missing so far is arch
> review. Most conversions are straight forward, some I need folks to
> definitely take a look at (arm, s390). powerpc is also a bit hair right
> now, but I'm told that 5.10 will kill a TIF flag there, so that'll make
> it trivial once I rebase on that.

can you pretty please not add that to anything which is not going
through kernel/entry/ ?

The amount of duplicated and differently buggy, inconsistent and
incomplete code in syscall and exception handling is just annoying.

It's perfectly fine if we keep that #ifdeffery around for a while and
encourage arch folks to move over to the generic infrastructure instead
of proliferating the status quo by adding this to their existing pile.

The #ifdef guarding this in set_notify_signal() and other core code
places wants to be:




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