[PATCH] Fix NR_PIRQS to be the same in Xen and Linux

[PATCH] Fix NR_PIRQS to be the same in Xen and Linux

[Natasha Jarymowycz]

In linux-2.6-xen-sparse/include/asm-xen/asm-i386/mach-xen/irq_vectors.h,
NR_PIRQS is 256.  But in Xen NR_PIRQS is defined to be only 128.  This
patch ups the number in Xen to 256.

Signed-off-by: Natasha Jarymowycz <natasha@us.ibm.com>

diff -Nrup mercurial/xen/include/xen/sched.h mercurial.patched/xen/include/xen/sched.h
--- mercurial/xen/include/xen/sched.h   2005-07-05 11:05:47.000000000 -0500
+++ mercurial.patched/xen/include/xen/sched.h   2005-07-12 10:33:28.000000000 -0500
@@ -122,7 +122,7 @@ struct domain
       * domain's event-channel spinlock. Read accesses can also synchronise on
       * the lock, but races don't usually matter.
       */
-#define NR_PIRQS 128 /* Put this somewhere sane! */
+#define NR_PIRQS 256 /* Put this somewhere sane! */
      u16              pirq_to_evtchn[NR_PIRQS];
      u32              pirq_mask[NR_PIRQS/32];

Re: [PATCH] Fix NR_PIRQS to be the same in Xen and Linux

[David Hopwood]

Natasha Jarymowycz wrote:
> In linux-2.6-xen-sparse/include/asm-xen/asm-i386/mach-xen/irq_vectors.h,
> NR_PIRQS is 256.  But in Xen NR_PIRQS is defined to be only 128.  This
> patch ups the number in Xen to 256.
[...]
> -#define NR_PIRQS 128 /* Put this somewhere sane! */
> +#define NR_PIRQS 256 /* Put this somewhere sane! */

Like the comment says, shouldn't it be put somewhere so that both XenLinux
and Xen will pick up the definition?

-- 
David Hopwood <david.nospam.hopwood@blueyonder.co.uk>