From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
To: linux-ia64@vger.kernel.org
Subject: [RFC][patch 1/10] Multiple vector domain support - change ia64 Kconfig
Date: Thu, 14 Jul 2005 09:18:10 +0000 [thread overview]
Message-ID: <42D62DD2.9000701@jp.fujitsu.com> (raw)
This patch adds the following configs options into arch/ia64/Kconfig
o VECTOR_DOMAIN Multiple vector domain support
o NR_VECTOR_DOMAINS # of vector domains
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
---
linux-2.6.13-rc1-kanesige/arch/ia64/Kconfig | 17 +++++++++++++++++
linux-2.6.13-rc1-kanesige/include/asm-ia64/irq.h | 8 +++++++-
2 files changed, 24 insertions(+), 1 deletion(-)
diff -puN arch/ia64/Kconfig~vector-domain-ia64-change-Kconfig arch/ia64/Kconfig
--- linux-2.6.13-rc1/arch/ia64/Kconfig~vector-domain-ia64-change-Kconfig 2005-07-13 14:33:47.000000000 +0900
+++ linux-2.6.13-rc1-kanesige/arch/ia64/Kconfig 2005-07-13 14:51:35.000000000 +0900
@@ -350,6 +350,23 @@ config ACPI_DEALLOCATE_IRQ
depends on IOSAPIC && EXPERIMENTAL
default y
+config VECTOR_DOMAIN
+ bool "Multiple vector domain support"
+ depends on (SMP && !HOTPLUG_CPU && !PCI_MSI)
+ default n
+ help
+ This option enables multiple vector domain support. If you
+ system has many interrupt sources, you should say Y here. If
+ unsure, say N here.
+
+config NR_VECTOR_DOMAINS
+ int "Maximum number of vector domains (2-512)"
+ range 2 512
+ depends on VECTOR_DOMAIN
+ default 2
+ help
+ This option specifies muximum number of vector domains.
+
source "drivers/firmware/Kconfig"
source "fs/Kconfig.binfmt"
diff -puN include/asm-ia64/irq.h~vector-domain-ia64-change-Kconfig include/asm-ia64/irq.h
--- linux-2.6.13-rc1/include/asm-ia64/irq.h~vector-domain-ia64-change-Kconfig 2005-07-13 14:33:47.000000000 +0900
+++ linux-2.6.13-rc1-kanesige/include/asm-ia64/irq.h 2005-07-13 14:50:34.000000000 +0900
@@ -11,7 +11,13 @@
* 02/29/00 D.Mosberger moved most things into hw_irq.h
*/
-#define NR_IRQS 256
+#ifndef CONFIG_VECTOR_DOMAIN
+#define NR_VECTOR_DOMAINS (1)
+#else
+#define NR_VECTOR_DOMAINS CONFIG_NR_VECTOR_DOMAINS
+#endif /* CONFIG_VECTOR_DOMAIN */
+
+#define NR_IRQS (256 * NR_VECTOR_DOMAINS)
#define NR_IRQ_VECTORS NR_IRQS
static __inline__ int
_
reply other threads:[~2005-07-14 9:18 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=42D62DD2.9000701@jp.fujitsu.com \
--to=kaneshige.kenji@jp.fujitsu.com \
--cc=linux-ia64@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.