From: Peter Zijlstra <peterz@infradead.org>
To: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: rafael@kernel.org, frederic@kernel.org,
daniel.lezcano@linaro.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, len.brown@intel.com
Subject: Re: [RFC/RFT PATCH 1/2] sched/core: Check and schedule ksoftirq
Date: Fri, 16 Dec 2022 12:19:34 +0100 [thread overview]
Message-ID: <Y5xURk3CkzhIjmmq@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20221215184300.1592872-2-srinivas.pandruvada@linux.intel.com>
On Thu, Dec 15, 2022 at 10:42:59AM -0800, Srinivas Pandruvada wrote:
> + /* Give ksoftirqd 1 jiffy to get a chance to start its job */
> + if (!READ_ONCE(it.done) && task_is_running(__this_cpu_read(ksoftirqd))) {
> + __set_current_state(TASK_UNINTERRUPTIBLE);
> + schedule_timeout(1);
> + }
That's absolutely disgusting :-/
next prev parent reply other threads:[~2022-12-16 11:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-15 18:42 [RFC/RFT PATCH 0/2] Forced idle and Non-RCU local softirq pending Srinivas Pandruvada
2022-12-15 18:42 ` [RFC/RFT PATCH 1/2] sched/core: Check and schedule ksoftirq Srinivas Pandruvada
2022-12-16 11:19 ` Peter Zijlstra [this message]
2022-12-16 16:58 ` srinivas pandruvada
2022-12-16 22:07 ` Frederic Weisbecker
2022-12-19 11:33 ` Peter Zijlstra
2022-12-19 11:46 ` Sebastian Andrzej Siewior
2022-12-19 14:56 ` Peter Zijlstra
2022-12-19 22:54 ` srinivas pandruvada
2022-12-20 20:51 ` Peter Zijlstra
2022-12-20 21:18 ` Peter Zijlstra
2023-01-10 2:33 ` srinivas pandruvada
2022-12-15 18:43 ` [RFC/RFT PATCH 2/2] sched/core: Add max duration to play_precise_idle() Srinivas Pandruvada
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Y5xURk3CkzhIjmmq@hirez.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=daniel.lezcano@linaro.org \
--cc=frederic@kernel.org \
--cc=len.brown@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=rafael@kernel.org \
--cc=srinivas.pandruvada@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.