From: Manfred Spraul <manfred@colorfullife.com>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: linux-kernel@vger.kernel.org,
Dipankar Sarma <dipankar@in.ibm.com>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] rcu: eliminate rcu_data.last_qsctr
Date: Mon, 29 Nov 2004 20:00:02 +0100 [thread overview]
Message-ID: <41AB71B2.1050301@colorfullife.com> (raw)
In-Reply-To: <41AA0D5F.21CB9ED3@tv-sign.ru>
Oleg Nesterov wrote:
>last_qsctr is used in rcu_check_quiescent_state() exclusively.
>We can reset qsctr at the start of the grace period, and then
>just test qsctr against 0.
>
>On top of the 'rcu: eliminate rcu_ctrlblk.lock', see
>http://marc.theaimsgroup.com/?l=linux-kernel&m=110156786721526
>
>Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
>
>
>
Compile and boot tested with 2.6.10-rc2 on a 2-cpu system.
Signed-Off-By: Manfred Spraul <manfred@colorfullife.com>
next prev parent reply other threads:[~2004-11-29 19:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-28 17:39 [PATCH] rcu: eliminate rcu_data.last_qsctr Oleg Nesterov
2004-11-29 19:00 ` Manfred Spraul [this message]
2004-12-29 15:37 ` Manfred Spraul
2005-01-05 18:30 ` Paul E. McKenney
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=41AB71B2.1050301@colorfullife.com \
--to=manfred@colorfullife.com \
--cc=akpm@osdl.org \
--cc=dipankar@in.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=oleg@tv-sign.ru \
/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