linux-kernel - Re: [Alacrityvm-devel] alacrityvm-next: clearly specify ioq endianness

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Message-ID: <4B1FE99C.9070205@gmail.com>
Date:	Wed, 09 Dec 2009 13:17:00 -0500
From:	Gregory Haskins <gregory.haskins@...il.com>
To:	"Ira W. Snyder" <iws@...o.caltech.edu>
CC:	alacrityvm-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [Alacrityvm-devel] alacrityvm-next: clearly specify ioq endianness

On 12/8/09 3:57 PM, Ira W. Snyder wrote:
> 
> This is a respin of the previous patch series against alacrityvm.git's
> linux-next branch, to facilitate easier merging with the linux-next tree.
> 
> The SHM_SIGNAL and IOQ code is meant to be used for communication channels
> between systems with different bit widths and operating systems.
> Conceivably, this could include systems with different endianness as well,
> for example, using QEMU on x86 to emulate a powerpc.
> 
> This patch series annotates all shared structures as little endian, and
> fixes up all users. This means that there is no overhead in the most common
> case, x86-on-x86. The byteswaps compile out.
> 
> [RESEND: added LKML to CC per Greg Haskins' request]

Applied, thanks!

-Greg


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