Re: [PATCH] fix flags length in net 9p

From: Steven Rostedt
Date: Thu May 01 2008 - 17:25:59 EST


[ I added Ingo since I think he created the check ]

On Thu, 1 May 2008, Andrew Morton wrote:

> On Thu, 1 May 2008 17:08:05 -0400 (EDT)
> Steven Rostedt <rostedt@xxxxxxxxxxx> 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?

It's not messy at all, it's actually quite elegant. I can pull it out of
the -rt tree, or perhaps Ingo can quickly whip one up as well.

Ingo, you want me to pull it out?

-- Steve

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