[PATCH] arm64: add support for TIF_NOTIFY_SIGNAL

[Will Deacon]

Hi Jens,

[+ Catalin]

On Thu, Oct 29, 2020 at 10:11:55AM -0600, Jens Axboe wrote:
> Cc: linux-arm-kernel at lists.infradead.org
> Signed-off-by: Jens Axboe <axboe at kernel.dk>
> ---
> 
> 5.11 has support queued up for TIF_NOTIFY_SIGNAL, see this posting
> for details:
> 
> https://lore.kernel.org/io-uring/20201026203230.386348-1-axboe@kernel.dk/
> 
> As part of that work, I'm adding TIF_NOTIFY_SIGNAL support to all archs,
> as that will enable a set of cleanups once all of them support it. I'm
> happy carrying this patch if need be, or it can be funelled through the
> arch tree. Let me know.
> 
>  arch/arm64/include/asm/thread_info.h | 5 ++++-
>  arch/arm64/kernel/signal.c           | 2 +-
>  2 files changed, 5 insertions(+), 2 deletions(-)

I think it makes sense for this to go via the arm64 tree, as it's
self-contained and we can handle any conflicts directly. Catalin -- would
you be able to pick this up when you start queueing stuff around -rc3,
please?

But either way:

Acked-by: Will Deacon <will at kernel.org>

Cheers,

Will