linux-kernel - Re: [PATCH/RFC v3] introduce ARCH_CAN_UNALIGNED

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Message-ID: <20080320194101.GC17884@uranus.ravnborg.org>
Date:	Thu, 20 Mar 2008 20:41:01 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Daniel Drake <dsd@...too.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH/RFC v3] introduce ARCH_CAN_UNALIGNED_ACCESS Kconfig symbol

On Thu, Mar 20, 2008 at 07:45:34PM +0100, Johannes Berg wrote:
> Subject: introduce HAVE_UNALIGNED_ACCESS_SUPPORT Kconfig symbol
> 
> In many cases, especially in networking, it can be beneficial to
> know at compile time whether the architecture can do unaligned
> accesses. This patch introduces a new Kconfig symbol
> 	HAVE_UNALIGNED_ACCESS_SUPPORT
> for that purpose and adds it to the powerpc and x86 architectures.
> Also add some documentation about alignment and networking, and
> especially one intended use of this symbol.
> 
> Signed-off-by: Johannes Berg <johannes@...solutions.net>
Acked-by: Sam Ravnborg <sam@...nborg.org>

	Sam

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