From: Kent Overstreet <kmo@daterainc.com>
To: Ben Hutchings <ben@decadent.org.uk>
Cc: "Thomas Gleixner" <tglx@linutronix.de>,
linux-kernel@vger.kernel.org,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Subject: Re: PREEMPT_RT vs bcache
Date: Wed, 7 Aug 2013 13:53:57 -0700 [thread overview]
Message-ID: <20130807205357.GD11612@kmo-pixel> (raw)
In-Reply-To: <1375907298.27403.35.camel@deadeye.wl.decadent.org.uk>
On Wed, Aug 07, 2013 at 10:28:18PM +0200, Ben Hutchings wrote:
> As Kent said back in 2011 (commit 84759c6d18c5), bcache needs
> {down,up}_read_non_owner(). But these are not implemented by the -rt
> patchset when PREEMPT_RT_FULL is enabled. Can they be added, or is
> there a fundamental conflict here?
You should be able to cherry pick
84759c6d18c5144432781ddca037d929ee9db8a5 (Revert "rw_semaphore: remove
up/down_read_non_owner") - that went in when bcache was merged.
next prev parent reply other threads:[~2013-08-07 20:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-07 20:28 PREEMPT_RT vs bcache Ben Hutchings
2013-08-07 20:53 ` Kent Overstreet [this message]
2013-08-07 21:08 ` Ben Hutchings
2013-08-07 21:09 ` Kent Overstreet
2013-08-07 21:12 ` Uwe Kleine-König
2013-08-08 7:26 ` Christoph Hellwig
2013-08-08 7:43 ` Kent Overstreet
2013-08-08 12:11 ` Christoph Hellwig
2013-09-12 15:01 ` Thomas Gleixner
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=20130807205357.GD11612@kmo-pixel \
--to=kmo@daterainc.com \
--cc=ben@decadent.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=u.kleine-koenig@pengutronix.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.