Re: badly punctuated parameter list in `#define' (2.4.3-ac5 and 2 .4.4 -pre2)

[Wayne.Brown@altec.com]

Drat, I just noticed my #$@%&$ email program word-wrapped some of the long
lines.  The four lines that contain just while(0) should be appended (preceded
by a space) to the lines just previous to them.

Wayne




Christoph Hellwig <hch@caldera.de> on 04/12/2001 03:16:38 PM

To:   Wayne Brown/Corporate/Altec@Altec
cc:   linux-kernel@vger.kernel.org, torvalds@transmeta.com

Subject:  Re: badly punctuated parameter list in `#define' (2.4.3-ac5 and 2 .4.4
      -pre2)



On Thu, Apr 12, 2001 at 03:08:28PM -0500, Wayne.Brown@altec.com wrote:
> >old compiler.  The right ifdef seems to be:
>
> >
> >  #if __GNUC__ == 2 && __GNUC_MINOR__ < 95
> >
> >Could you test it this way?
>
> Yes, that works for me.  Is this the sort of thing you had in mind?

Yes.
Linus any chance to apply the following patch?

     Christoph

>
> Wayne
>
>
> --- include/asm-i386/rwsem.h.old   Thu Apr 12 14:50:08 2001
> +++ include/asm-i386/rwsem.h  Thu Apr 12 14:54:14 2001
> @@ -20,18 +20,24 @@
>  #include <linux/spinlock.h>
>  #include <linux/wait.h>
>
> +#if __GNUC__ == 2 && __GNUC_MINOR__ < 95
> +
> +/* old gcc */
>  #if RWSEM_DEBUG
> -#define rwsemdebug(FMT,...) do { if (sem->debug) printk(FMT,__VA_ARGS__); }
> while(0)
> +#define rwsemdebug(FMT, ARGS...) do { if (sem->debug) printk(FMT,##ARGS); }
> while(0)
>  #else
> -#define rwsemdebug(FMT,...)
> +#define rwsemdebug(FMT, ARGS...)
>  #endif
>
> -/* old gcc */
> +#else
> +
>  #if RWSEM_DEBUG
> -//#define rwsemdebug(FMT, ARGS...) do { if (sem->debug) printk(FMT,##ARGS); }
> while(0)
> +#define rwsemdebug(FMT,...) do { if (sem->debug) printk(FMT,__VA_ARGS__); }
> while(0)
>  #else
> -//#define rwsemdebug(FMT, ARGS...)
> +#define rwsemdebug(FMT,...)
>  #endif
> +
> +#endif /* __GNUC__ == 2 && __GNUC_MINOR__ < 95 */
>
>  #ifdef CONFIG_X86_XADD
>  #include <asm/rwsem-xadd.h> /* use XADD based semaphores if possible */
>
---end quoted text---

--
Of course it doesn't work. We've performed a software upgrade.