From: Jens Axboe <[email protected]>
To: Thomas Gleixner <[email protected]>, Oleg Nesterov <[email protected]>
Cc: [email protected], [email protected],
[email protected]
Subject: Re: [PATCH 3/4] kernel: add support for TIF_NOTIFY_SIGNAL
Date: Tue, 13 Oct 2020 17:54:52 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 10/13/20 5:45 PM, Thomas Gleixner wrote:
> On Fri, Oct 09 2020 at 09:13, Jens Axboe wrote:
>>> Hmm. I just noticed that only x86 uses arch_do_signal(), so perhaps you can
>>> add this change to this patch right now? Up to you.
>>
>> Sure, we can do that. Incremental on top then looks like the below. I don't
>> feel that strongly about it, but it is nice to avoid re-testing the
>> flags.
>
> Yes it makes sense. Can you please make the signature change of
> arch_do_signal() in a preparatory patch and only make use of it when you
> add the TIF bit to x86?
Ala:
https://git.kernel.dk/cgit/linux-block/commit/?h=tif-task_work&id=6a150da501727f6bdca4786a02c0a57160e13079
with the pre generic patch being:
https://git.kernel.dk/cgit/linux-block/commit/?h=tif-task_work&id=add2e252ae8481350239c3cb893aed490c05c397
--
Jens Axboe
next prev parent reply other threads:[~2020-10-14 9:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-08 15:27 [PATCHSET v4] Add support for TIF_NOTIFY_SIGNAL Jens Axboe
2020-10-08 15:27 ` [PATCH 1/4] tracehook: clear TIF_NOTIFY_RESUME in tracehook_notify_resume() Jens Axboe
2020-10-13 23:35 ` Thomas Gleixner
2020-10-14 1:13 ` Jens Axboe
2020-10-08 15:27 ` [PATCH 2/4] kernel: add task_sigpending() helper Jens Axboe
2020-10-13 23:36 ` Thomas Gleixner
2020-10-08 15:27 ` [PATCH 3/4] kernel: add support for TIF_NOTIFY_SIGNAL Jens Axboe
2020-10-09 14:43 ` Oleg Nesterov
2020-10-09 15:13 ` Jens Axboe
2020-10-13 23:45 ` Thomas Gleixner
2020-10-13 23:54 ` Jens Axboe [this message]
2020-10-13 23:42 ` Thomas Gleixner
2020-10-13 23:45 ` Jens Axboe
2020-10-08 15:27 ` [PATCH 4/4] task_work: use TIF_NOTIFY_SIGNAL if available Jens Axboe
2020-10-13 23:50 ` Thomas Gleixner
2020-10-13 23:55 ` Jens Axboe
2020-10-09 14:30 ` [PATCHSET v4] Add support for TIF_NOTIFY_SIGNAL Oleg Nesterov
2020-10-09 15:16 ` Jens Axboe
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