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Message-ID: <4B75AD35.3080207@suse.com> Date: Fri, 12 Feb 2010 14:34:13 -0500 From: Jeff Mahoney <jeffm@...e.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Balbir Singh <balbir@...ux.vnet.ibm.com> Subject: Re: [PATCH] delayacct: align to 8 byte boundary on 64-bit systems On 02/12/2010 02:29 PM, Andrew Morton wrote: > On Fri, 12 Feb 2010 14:20:23 -0500 > Jeff Mahoney <jeffm@...e.com> wrote: > >>> Seems safe enough. We'd be safer still if we didn't do this on 64-bit >>> architectures which don't need it. ie: x86_64. But if we do that we >>> add a risk that people will develop shoddy code which works on x86_64 >>> and doesn't work on ia64. >> >> Is there a way to do that without needlessly complicating things? I >> didn't see any existing infrastructure to do that. > > ifdefs? I don't think it's worth doing, really. Probably anyone who > wrote an application for this copied the getdelays.c code anyway. Yeah I didn't want to get into #if defined(LIST OF ARCHES) for this. I was hoping for a way to get the alignment rules for the arch. In the absence of that, this is good enough. You're probably right about people just lifting the getdelays.c code. -Jeff -- Jeff Mahoney SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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