From: Thomas Gleixner <tglx@linutronix.de>
To: Hillf Danton <hdanton@sina.com>, Paolo Bonzini <pbonzini@redhat.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
"Michael S. Tsirkin" <mst@redhat.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: 5.13-rt1 + KVM = WARNING: at fs/eventfd.c:74 eventfd_signal()
Date: Wed, 21 Jul 2021 09:25:32 +0200 [thread overview]
Message-ID: <87im14cemr.ffs@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20210721070452.1008-1-hdanton@sina.com>
On Wed, Jul 21 2021 at 15:04, Hillf Danton wrote:
>
> But the preempting waker can not make sense without the waiter who is bloody
> special. Why is it so in the first place? Or it is not at all but the race
> existing from Monday to Friday.
See the large comment in eventfd_poll().
next prev parent reply other threads:[~2021-07-21 13:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <df278db6-1fc0-3d42-9c0e-f5a085c6351e@redhat.com>
[not found] ` <8dfc0ee9-b97a-8ca8-d057-31c8cad3f5b6@redhat.com>
[not found] ` <f0254740-944d-201b-9a66-9db1fe480ca6@redhat.com>
[not found] ` <475f84e2-78ee-1a24-ef57-b16c1f2651ed@redhat.com>
[not found] ` <20210715102249.2205-1-hdanton@sina.com>
[not found] ` <20210716020611.2288-1-hdanton@sina.com>
[not found] ` <20210716075539.2376-1-hdanton@sina.com>
[not found] ` <20210716093725.2438-1-hdanton@sina.com>
[not found] ` <a2f3f9ac-dac2-eadc-269e-91652d78ebd3@redhat.com>
2021-07-18 12:42 ` 5.13-rt1 + KVM = WARNING: at fs/eventfd.c:74 eventfd_signal() Hillf Danton
2021-07-19 15:38 ` Paolo Bonzini
2021-07-21 7:04 ` Hillf Danton
2021-07-21 7:25 ` Thomas Gleixner [this message]
2021-07-21 10:11 ` Hillf Danton
2021-07-21 10:59 ` Paolo Bonzini
2021-07-22 5:58 ` Hillf Danton
2021-07-23 2:23 ` Hillf Danton
2021-07-23 7:59 ` Paolo Bonzini
2021-07-23 9:48 ` Hillf Danton
2021-07-23 10:56 ` Paolo Bonzini
2021-07-24 4:33 ` Hillf Danton
2021-07-26 11:03 ` Paolo Bonzini
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=87im14cemr.ffs@nanos.tec.linutronix.de \
--to=tglx@linutronix.de \
--cc=bigeasy@linutronix.de \
--cc=hdanton@sina.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mst@redhat.com \
--cc=pbonzini@redhat.com \
--cc=viro@zeniv.linux.org.uk \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).