linux-kernel - Re: [PATCHSET v6] Add support for TIF_NOTIFY

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Message-ID: <bf373428-bbc2-be66-db6b-0fa6352fa4ef@kernel.dk>
Date:   Thu, 22 Oct 2020 20:22:31 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     linux-kernel@...r.kernel.org, io-uring@...r.kernel.org
Cc:     peterz@...radead.org, oleg@...hat.com, tglx@...utronix.de
Subject: Re: [PATCHSET v6] Add support for TIF_NOTIFY_SIGNAL

On 10/16/20 9:45 AM, Jens Axboe wrote:
> Hi,
> 
> The goal is this patch series is to decouple TWA_SIGNAL based task_work
> from real signals and signal delivery. The motivation is speeding up
> TWA_SIGNAL based task_work, particularly for threaded setups where
> ->sighand is shared across threads. See the last patch for numbers.
> 
> Cleanups in this series, see changelog. But the arch and cleanup
> series that goes after this series is much simpler now that we handle
> TIF_NOTIFY_SIGNAL generically for !CONFIG_GENERIC_ENTRY.

Any objections to this one? I just rebased this one and the full arch
series that sits on top for -git, but apart from that, no changes.

Thomas, would be nice to know if you're good with patch 2+3 at this
point. Once we get outside of the merge window next week, I'll post
the updated series since we get a few conflicts at this point, and
would be great if you could carry this for 5.11.

-- 
Jens Axboe