Re: [PATCH] pci: Fix bus resource assignment on 32 bits with 64b resources

[Kumar Gala]

On Dec 6, 2007, at 2:16 AM, Matthew Wilcox wrote:

> On Thu, Dec 06, 2007 at 06:58:54PM +1100, Benjamin Herrenschmidt  
> wrote:
> > I was just hoping somebody had a better idea, like a way to add a new
> > format specifier to printk without losing gcc type checking :-)
>
> It's been discussed before.  Some of the solutions discussed:
>
> - Add something like PRI_RES which can be concatenated into a printk.
>   Ugly.
> - Patch gcc to allow user-definable types.  I think OpenBSD has a  
> patch
>   for this.  Then we have to get that patch propagated to all the
>   people who compile the kernel.  Unappetising.
> - Disable gcc's printk checking, teach sparse to typecheck printk.
>   Most people don't run sparse yet.

How does gcc deal with glibc extension to allow people to add their  
own specifiers?

http://www.gnu.org/software/libc/manual/html_node/Customizing-Printf.html

- k

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