[PATCH] x86_64: Increase NR_IRQ_VECTORS to 32 * NR_CPUS

This prevents running out of GSIs on large Unisys ES7000 machines. Follows i386 Cc: "Protasevich, Natalie" <Natalie.Protasevich@unisys.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
git-mirror · Jan 16, 2006 · 5580ece · 5580ece
1 parent ee408c7
commit 5580ece
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/asm-x86_64/irq.h b/include/asm-x86_64/irq.h
@@ -36,7 +36,7 @@
 #define NR_IRQ_VECTORS NR_IRQS
 #else
 #define NR_IRQS 224
-#define NR_IRQ_VECTORS 1024
+#define NR_IRQ_VECTORS (32 * NR_CPUS)
 #endif
 
 static __inline__ int irq_canonicalize(int irq)