From: Peter Zijlstra <peterz@infradead.org>
To: Qian Cai <cai@lca.pw>
Cc: Thomas Gleixner <tglx@linutronix.de>,
John Stultz <john.stultz@linaro.org>,
sboyd@kernel.org, rostedt@goodmis.org, hannes@cmpxchg.org,
linux-kernel@vger.kernel.org,
Andy Lutomirski <luto@amacapital.net>
Subject: Re: [PATCH] timer: silenct a lockdep splat with debugobjects
Date: Fri, 13 Mar 2020 22:26:20 +0100 [thread overview]
Message-ID: <20200313212620.GA2452@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <D3115315-12A9-43A9-9209-09553CF2C71C@lca.pw>
On Fri, Mar 13, 2020 at 05:00:41PM -0400, Qian Cai wrote:
> > On Mar 13, 2020, at 4:13 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > Or, fix that random crud to do the wakeup outside of the lock.
>
> That is likely to be difficult until we can find a creative way to not “uglifying" the
> random code by dropping locks in the middle etc just because of debugojects.
https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/log/?h=random/fast
Doesn't look difficult at all.
next prev parent reply other threads:[~2020-03-13 21:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-13 15:42 [PATCH] timer: silenct a lockdep splat with debugobjects Qian Cai
2020-03-13 18:08 ` Peter Zijlstra
2020-03-13 19:32 ` Qian Cai
2020-03-13 20:13 ` Peter Zijlstra
2020-03-13 21:00 ` Qian Cai
2020-03-13 21:26 ` Peter Zijlstra [this message]
2020-03-14 2:53 ` Qian Cai
2020-03-23 13:41 ` Qian Cai
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=20200313212620.GA2452@worktop.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=cai@lca.pw \
--cc=hannes@cmpxchg.org \
--cc=john.stultz@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=rostedt@goodmis.org \
--cc=sboyd@kernel.org \
--cc=tglx@linutronix.de \
/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.