diff options
author | Isaku Yamahata <yamahata@valinux.co.jp> | 2008-05-19 09:13:40 -0400 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2008-05-27 18:09:30 -0400 |
commit | 213060a4d6991a95d0b9344406d195be3464accf (patch) | |
tree | b74ead50ae0ae8ca2cfc20df5ad2e5d04a90432d /include/asm-ia64/native | |
parent | 4df8d22bbbb16ccfa4e10cc068135183c9e5e006 (diff) |
[IA64] pvops: paravirtualize NR_IRQS
Make NR_IRQ overridable by each pv instances.
Pv instance may need each own number of irqs so that
NR_IRQS should be the maximum number of nr_irqs each
pv instances need.
Cc: Jes Sorensen <jes@sgi.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/native')
-rw-r--r-- | include/asm-ia64/native/irq.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/asm-ia64/native/irq.h b/include/asm-ia64/native/irq.h new file mode 100644 index 000000000000..efe9ff74a3c4 --- /dev/null +++ b/include/asm-ia64/native/irq.h | |||
@@ -0,0 +1,35 @@ | |||
1 | /****************************************************************************** | ||
2 | * include/asm-ia64/native/irq.h | ||
3 | * | ||
4 | * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp> | ||
5 | * VA Linux Systems Japan K.K. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | * | ||
21 | * moved from linux/include/asm-ia64/irq.h. | ||
22 | */ | ||
23 | |||
24 | #ifndef _ASM_IA64_NATIVE_IRQ_H | ||
25 | #define _ASM_IA64_NATIVE_IRQ_H | ||
26 | |||
27 | #define NR_VECTORS 256 | ||
28 | |||
29 | #if (NR_VECTORS + 32 * NR_CPUS) < 1024 | ||
30 | #define IA64_NATIVE_NR_IRQS (NR_VECTORS + 32 * NR_CPUS) | ||
31 | #else | ||
32 | #define IA64_NATIVE_NR_IRQS 1024 | ||
33 | #endif | ||
34 | |||
35 | #endif /* _ASM_IA64_NATIVE_IRQ_H */ | ||