From: Thomas Gleixner <tglx@linutronix.de>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Eric Dumazet <dada1@cosmosbay.com>, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC PATCH 0/2] fast_gup for shared futexes
Date: Fri, 4 Apr 2008 21:56:35 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.1.10.0804042154580.3224@apollo.tec.linutronix.de> (raw)
In-Reply-To: <20080404193332.348493000@chello.nl>
On Fri, 4 Apr 2008, Peter Zijlstra wrote:
> Hi,
>
> this patch series removes mmap_sem from the fast path of shared futexes by
> making use of Nick's recent fast_gup() patches. Full series at:
>
> http://programming.kicks-ass.net/kernel-patches/futex-fast_gup/v2.6.24.4-rt4/
Looks good at the first glance. Need to look at the corner cases, but
the code does not really depend on mmap_sem anymore so the chance that
it blows up is pretty low.
Thanks,
tglx
prev parent reply other threads:[~2008-04-04 19:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-04 19:33 Peter Zijlstra
2008-04-04 19:33 ` [RFC PATCH 1/2] futex: rely on get_user_pages() " Peter Zijlstra
2008-04-08 11:40 ` Nick Piggin
2008-04-08 16:59 ` Peter Zijlstra
2008-04-09 2:32 ` Nick Piggin
2008-04-09 13:51 ` Peter Zijlstra
2008-04-04 19:33 ` [RFC PATCH 2/2] futex: use fast_gup() Peter Zijlstra
2008-04-04 19:47 ` Peter Zijlstra
2008-04-04 19:56 ` Thomas Gleixner [this message]
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=alpine.LFD.1.10.0804042154580.3224@apollo.tec.linutronix.de \
--to=tglx@linutronix.de \
--cc=a.p.zijlstra@chello.nl \
--cc=dada1@cosmosbay.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mingo@elte.hu \
--cc=nickpiggin@yahoo.com.au \
/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