Messages in this thread | | | Date | Tue, 14 Mar 2006 10:12:33 -0500 | From | "Bob Copeland" <> | Subject | Re: [PATCH 2.6.16-rc6] Promise SuperTrak driver |
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On 3/14/06, Arjan van de Ven <arjan@infradead.org> wrote: > On Tue, 2006-03-14 at 04:27 -0500, Jeff Garzik wrote: > > I thought that was unnecessary if the struct members are ordered such > > that compiler would not add padding? > > the rules for when padding gets added are different for each platform > though; worst case of adding it is that it serves as documentation that > the layout matters :)
I thought the worst case of adding it is that GCC produces awful code when accessing structure members for __attribute__((packed)) items[1]. Maybe -Wpadded would be better?
[1] http://marc.theaimsgroup.com/?l=linux-kernel&m=108829229128091 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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