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From: Thomas Gleixner <[email protected]>
To: Jens Axboe <[email protected]>, Oleg Nesterov <[email protected]>
Cc: [email protected], [email protected],
	[email protected], Roman Gershman <[email protected]>
Subject: Re: [PATCH 5/5] task_work: use TIF_NOTIFY_SIGNAL if available
Date: Fri, 16 Oct 2020 16:17:12 +0200	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On Fri, Oct 16 2020 at 07:35, Jens Axboe wrote:
> On 10/16/20 3:39 AM, Thomas Gleixner wrote:
>> On Fri, Oct 16 2020 at 11:00, Thomas Gleixner wrote:
>> That's a truly great suggestion:
>> 
>>    X86 is going to have that TIF bit once the above is available.
>> 
>> I'm happy to help with the merge logistics of this.
>
> Not really following this email...

What I tried to convey is, that the x86 tif bit is not going in before
the complete thing (including cleanups) is available. I'm only half
joking.

> But it seems to me that you're happy with approach 2, so I'll do
> the following:
>
> - Get rid of the CONFIG_GENERIC_ENTRY dependency for TIF_NOTIFY_SIGNAL
> - Respin the arch additions and cleanups on top of that again
>
> And hopefully we'll have something mergeable at that point. Once we
> have this series merged somewhere (would be great if you could carry
> it), I'll be talking to arch folks on the rest. Once archs have taken
> the necessary bits, I'll be posting the third and final series which
> is the cleanups that are currently sitting on top of the arch support.

Can you please just post the full thing after resolving #1 of the list
items which I pointed out in the other reply?

With moving the handling into get_signal() you don't need more changes
to arch/* than adding the TIF bit, right? So there should not be much
talking involved other than agreeing on the bit number to use.

I might be missing something though.

Thanks,

        tglx



  reply	other threads:[~2020-10-16 14:17 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-15 13:16 [PATCHSET v5] Add support for TIF_NOTIFY_SIGNAL Jens Axboe
2020-10-15 13:16 ` [PATCH 1/5] tracehook: clear TIF_NOTIFY_RESUME in tracehook_notify_resume() Jens Axboe
2020-10-15 14:42   ` Oleg Nesterov
2020-10-15 14:43     ` Jens Axboe
2020-10-15 13:16 ` [PATCH 2/5] kernel: add task_sigpending() helper Jens Axboe
2020-10-15 14:42   ` Oleg Nesterov
2020-10-15 13:16 ` [PATCH 3/5] kernel: add support for TIF_NOTIFY_SIGNAL Jens Axboe
2020-10-15 14:31   ` Oleg Nesterov
2020-10-15 14:33     ` Jens Axboe
2020-10-15 14:37       ` Oleg Nesterov
2020-10-15 14:43         ` Jens Axboe
2020-10-15 14:47           ` Oleg Nesterov
2020-10-15 14:53             ` Oleg Nesterov
2020-10-15 14:56               ` Jens Axboe
2020-10-15 15:01         ` Thomas Gleixner
2020-10-15 15:27           ` Oleg Nesterov
2020-10-15 14:44   ` Oleg Nesterov
2020-10-15 13:17 ` [PATCH 4/5] x86: wire up TIF_NOTIFY_SIGNAL Jens Axboe
2020-10-15 14:11   ` Thomas Gleixner
2020-10-15 14:31     ` Jens Axboe
2020-10-15 14:34       ` Thomas Gleixner
2020-10-15 14:35         ` Jens Axboe
2020-10-15 14:36       ` Oleg Nesterov
2020-10-15 14:42         ` Jens Axboe
2020-10-15 14:34     ` Oleg Nesterov
2020-10-15 14:54       ` Thomas Gleixner
2020-10-15 15:17         ` Oleg Nesterov
2020-10-16  9:55       ` Thomas Gleixner
2020-10-16 10:54         ` Oleg Nesterov
2020-10-16 13:07           ` Thomas Gleixner
2020-10-15 14:44   ` Oleg Nesterov
2020-10-20 10:57   ` introduce asm-generic/thread_info.h ? Oleg Nesterov
2020-10-15 13:17 ` [PATCH 5/5] task_work: use TIF_NOTIFY_SIGNAL if available Jens Axboe
2020-10-15 15:49   ` Oleg Nesterov
2020-10-15 18:39     ` Jens Axboe
2020-10-16  9:00       ` Thomas Gleixner
2020-10-16  9:39         ` Thomas Gleixner
2020-10-16 13:35           ` Jens Axboe
2020-10-16 14:17             ` Thomas Gleixner [this message]
2020-10-16 14:51               ` Oleg Nesterov
2020-10-16 14:53                 ` Jens Axboe
2020-10-16 18:03                   ` Thomas Gleixner
2020-10-16 18:05                     ` Jens Axboe
2020-10-16 13:33         ` Jens Axboe
2020-10-16 14:11           ` Thomas Gleixner
2020-10-16 14:22             ` Jens Axboe

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