From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Peter Zijlstra <peterz@infradead.org>,
Daniel Wagner <wagi@monom.org>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [ANNOUNCE] v5.14-rc4-rt4
Date: Wed, 4 Aug 2021 17:57:47 +0200 [thread overview]
Message-ID: <20210804155747.cwayhjsdjc4zaubd@linutronix.de> (raw)
In-Reply-To: <7c946918-ae0d-6195-6a78-b019f9bc1fd3@kernel.dk>
On 2021-08-04 09:49:48 [-0600], Jens Axboe wrote:
>
> That'd work on non-RT as well, but it makes it worse on non-RT as well with
> the irq enable/disable dance. While that's not the end of the world, would
> be nice to have a solution that doesn't sacrifice anything, yet doesn't
> make RT unhappy.
There were plans to make local_irq_disable() mostly a nop (similar to
what ppc64 does). But I have no idea what happened. I hope that work
gets picked up.
Sebastian
next prev parent reply other threads:[~2021-08-04 15:57 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-02 16:27 Sebastian Andrzej Siewior
2021-08-04 8:24 ` Daniel Wagner
2021-08-04 10:43 ` Sebastian Andrzej Siewior
2021-08-04 10:48 ` Sebastian Andrzej Siewior
2021-08-04 11:00 ` Sebastian Andrzej Siewior
2021-08-04 13:17 ` Peter Zijlstra
2021-08-04 13:32 ` Jens Axboe
2021-08-04 14:23 ` Jens Axboe
2021-08-04 15:33 ` Sebastian Andrzej Siewior
2021-08-04 15:39 ` Jens Axboe
2021-08-04 15:47 ` Sebastian Andrzej Siewior
2021-08-04 15:49 ` Jens Axboe
2021-08-04 15:57 ` Sebastian Andrzej Siewior [this message]
2021-08-04 16:05 ` Jens Axboe
2021-08-04 16:20 ` Sebastian Andrzej Siewior
2021-08-04 16:20 ` Jens Axboe
2021-08-04 16:20 ` Steven Rostedt
2021-08-04 16:22 ` Jens Axboe
2021-08-04 16:47 ` Sebastian Andrzej Siewior
2021-08-04 16:57 ` Jens Axboe
2021-08-04 17:02 ` Sebastian Andrzej Siewior
2021-08-10 7:40 ` Sebastian Andrzej Siewior
2021-08-10 11:22 ` [PATCH] io-wq: remove GFP_ATOMIC allocation off schedule out path kernel test robot
2021-08-10 15:22 ` kernel test robot
2021-08-04 16:17 ` [ANNOUNCE] v5.14-rc4-rt4 Steven Rostedt
2021-08-04 16:22 ` Sebastian Andrzej Siewior
2021-08-04 16:25 ` Steven Rostedt
2021-08-04 16:31 ` Sebastian Andrzej Siewior
2021-08-04 16:47 ` Steven Rostedt
2021-08-04 16:57 ` Sebastian Andrzej Siewior
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