From: Peter Zijlstra <peterz@infradead.org>
To: qianjun.kernel@gmail.com
Cc: tglx@linutronix.de, will@kernel.org, luto@kernel.org,
linux-kernel@vger.kernel.org, laoar.shao@gmail.com,
qais.yousef@arm.com, urezki@gmail.com, frederic@kernel.org
Subject: Re: [PATCH V7 4/4] softirq: Allow early break the softirq processing loop
Date: Mon, 28 Sep 2020 11:20:39 +0200 [thread overview]
Message-ID: <20200928092039.GB2628@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200915115609.85106-5-qianjun.kernel@gmail.com>
On Tue, Sep 15, 2020 at 07:56:09PM +0800, qianjun.kernel@gmail.com wrote:
> From: jun qian <qianjun.kernel@gmail.com>
>
> Allow terminating the softirq processing loop without finishing the vectors.
>
> Signed-off-by: jun qian <qianjun.kernel@gmail.com>
> ---
> kernel/softirq.c | 113 ++++++++++++++++++++++++++++++++++++++++++++-----------
> 1 file changed, 91 insertions(+), 22 deletions(-)
This is still a ginormous patch for something that should be simple.
I've put my patches (and a bunch on top) in:
git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git core/softirq
but got a fairly significant regression report from 0day on that, and
haven't had time/motivation to look at that.
next prev parent reply other threads:[~2020-09-28 9:20 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 11:56 [PATCH V7 0/4] Softirq:avoid large sched delay from the pending softirqs qianjun.kernel
2020-09-15 11:56 ` [PATCH V7 1/4] softirq: Use sched_clock() based timeout qianjun.kernel
2020-09-24 8:34 ` Thomas Gleixner
2020-09-15 11:56 ` [PATCH V7 2/4] softirq: Factor loop termination condition qianjun.kernel
2020-09-24 8:36 ` Thomas Gleixner
2020-09-24 12:31 ` Thomas Gleixner
2020-09-15 11:56 ` [PATCH V7 3/4] softirq: Rewrite softirq processing loop qianjun.kernel
2020-09-15 11:56 ` [PATCH V7 4/4] softirq: Allow early break the " qianjun.kernel
2020-09-24 15:37 ` Thomas Gleixner
2020-09-24 23:08 ` Frederic Weisbecker
2020-09-24 23:10 ` Frederic Weisbecker
2020-09-25 22:37 ` Thomas Gleixner
2020-09-25 0:42 ` Frederic Weisbecker
2020-09-25 22:42 ` Thomas Gleixner
2020-09-26 12:22 ` Frederic Weisbecker
2020-09-28 10:51 ` jun qian
2020-09-29 11:44 ` Frederic Weisbecker
2020-10-09 15:01 ` Qais Yousef
2020-10-13 10:43 ` Frederic Weisbecker
2020-10-13 12:40 ` Qais Yousef
2020-09-26 2:00 ` jun qian
2020-09-27 1:05 ` [softirq] 56c21abbe6: will-it-scale.per_process_ops -9.1% regression kernel test robot
2020-09-28 9:20 ` Peter Zijlstra [this message]
2020-09-28 11:15 ` [PATCH V7 4/4] softirq: Allow early break the softirq processing loop jun qian
2020-09-28 9:22 ` Peter Zijlstra
2020-09-28 10:09 ` Thomas Gleixner
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