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Date: Thu, 01 May 2008 14:26:00 -0700 From: Daniel Walker <dwalker@...sta.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org, lucho@...kov.net, ericvh@...il.com Subject: Re: [PATCH] fix flags length in net 9p On Thu, 2008-05-01 at 14:19 -0700, Andrew Morton wrote: > On Thu, 1 May 2008 17:08:05 -0400 (EDT) > Steven Rostedt <rostedt@...dmis.org> wrote: > > > Some files in the net/9p directory uses "int" for flags. This can > > cause hard to find bugs on some architectures. This patch converts the > > flags to use "long" instead. > > gargh. > > > This bug was discovered by doing an allyesconfig make on the -rt kernel > > where checks are done to ensure all flags are of size sizeof(long). > > I was about to suggest that we do something like that... > > I wonder how messy it is. I long ago lost the ability to follow the > convolutions in include/linux/spinlock*.h :( gotta patch? The check that's in -rt for this uses BUILD_BUG_ON(), and it's extremely cryptic when there is a failure .. Most people will be baffled why the build stopped. If a check went into mainline it should at least give you some sort of idea what's happening .. Daniel -- 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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