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Date: Fri, 15 Oct 2010 16:26:17 +0200 From: Andi Kleen <andi@...stfloor.org> To: Andreas Gruenbacher <agruen@...e.de> Cc: Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <andi@...stfloor.org>, Jan Engelhardt <jengelh@...ozas.de>, Eric Paris <eparis@...hat.com>, linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org, davem@...emloft.net Subject: Re: Process to push changes to include/linux/types.h > 64-bit values align to 4-byte boundaries on some 32-bit architectures like x86 AFAIK it's only on x86, no other architecture made this mistake in their 32bit ABI. But of course x86 is kind of important ... > and to 8-byte boundaries on 64-bit architetures. The new __aligned_64 type > enforces 8-byte alignment and so structs containing __aligned_64 values have > the same alignment on 32-bit and 64-bit architectures. No conversions are > necessary between 32-bit user-space and a 64-bit kernel. Rest looks good and could be put into Andrew's comment. -Andi -- ak@...ux.intel.com -- Speaking for myself only. -- 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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