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From: Richard Weinberger <richard@nod.at>
To: cl@linux.com
Cc: linux-kernel@vger.kernel.org, penberg@kernel.org
Subject: slub: UML and CONFIG_CMPXCHG_LOCAL
Date: Sun, 29 May 2011 22:25:46 +0200	[thread overview]
Message-ID: <201105292225.46544.richard@nod.at> (raw)

Christoph,

With commit 1759415e you've removed all #ifdef CONFIG_CMPXCHG_LOCAL's from slub.
This change breaks slub (again) on UML.
UML does not implement this_cpu_cmpxchg16b_emu().

Starting with 2.6.39 (commit 084189a) I've disabled CONFIG_CMPXCHG_LOCAL on UML do bypass the issue.
This fix does no longer help.

Is there anything I can do to have slub on UML?
Implementing this_cpu_cmpxchg16b_emu for UML is not really an option.
See:
http://comments.gmane.org/gmane.linux.kernel/1125183

Thanks,
//richard



             reply	other threads:[~2011-05-29 20:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-29 20:25 Richard Weinberger [this message]
2011-05-31 14:30 ` Christoph Lameter
2011-05-31 15:47   ` Richard Weinberger

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