linux-kernel - PREEMPT

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Message-ID: <1375907298.27403.35.camel@deadeye.wl.decadent.org.uk>
Date:	Wed, 07 Aug 2013 22:28:18 +0200
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org, Kent Overstreet <kmo@...erainc.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Subject: PREEMPT_RT vs bcache

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?

Ben.

-- 
Ben Hutchings
Experience is what causes a person to make new mistakes instead of old ones.

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