From: Paul Mackerras <paulus@samba.org>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
akpm@osdl.org, mingo@elte.hu
Subject: Re: [patch 2/3] Directed yield: direct yield of spinlocks for powerpc.
Date: Thu, 21 Sep 2006 22:35:00 +1000 [thread overview]
Message-ID: <17682.34548.763586.32814@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <20060919111950.GD21713@skybase>
Martin Schwidefsky writes:
> Powerpc already has a directed yield for CONFIG_PREEMPT="n". To make
> it work with CONFIG_PREEMPT="y" as well the _raw_{spin,read,write}_relax
> primitives need to be defined to call __spin_yield() for spinlocks and
> __rw_yield() for rw-locks.
Acked-by: Paul Mackerras <paulus@samba.org>
prev parent reply other threads:[~2006-09-21 12:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-19 11:19 [patch 2/3] Directed yield: direct yield of spinlocks for powerpc Martin Schwidefsky
2006-09-21 12:35 ` Paul Mackerras [this message]
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