From: Jens Axboe <axboe@kernel.dk>
To: Peter Zijlstra <peterz@infradead.org>, Oleg Nesterov <oleg@redhat.com>
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] block: Fix sys_ioprio_set(.which=IOPRIO_WHO_PGRP) task iteration
Date: Thu, 8 Apr 2021 13:44:23 -0600 [thread overview]
Message-ID: <e8579a4e-2456-a89b-b750-892d265ba053@kernel.dk> (raw)
In-Reply-To: <YG7Q5C4Rb5dx5GFx@hirez.programming.kicks-ass.net>
On 4/8/21 3:46 AM, Peter Zijlstra wrote:
>
> do_each_pid_thread() { } while_each_pid_thread() is a double loop and
> thus break doesn't work as expected. Also, it should be used under
> tasklist_lock because otherwise we can race against change_pid() for
> PGID/SID.
Applied, thanks.
--
Jens Axboe
next prev parent reply other threads:[~2021-04-08 19:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-08 9:46 [PATCH] block: Fix sys_ioprio_set(.which=IOPRIO_WHO_PGRP) task iteration Peter Zijlstra
2021-04-08 19:44 ` Jens Axboe [this message]
2021-04-09 10:08 ` Oleg Nesterov
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=e8579a4e-2456-a89b-b750-892d265ba053@kernel.dk \
--to=axboe@kernel.dk \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=oleg@redhat.com \
--cc=peterz@infradead.org \
/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.