From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, Mike Travis <travis@sgi.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] x86: use nr_cpus in max_nr_irqs()
Date: Sun, 11 Jan 2009 21:43:49 -0800 [thread overview]
Message-ID: <496AD895.10701@kernel.org> (raw)
Impact: get more small nr_irqs
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
arch/x86/include/asm/apicdef.h | 7 +------
arch/x86/include/asm/irq_vectors.h | 4 ++--
2 files changed, 3 insertions(+), 8 deletions(-)
Index: linux-2.6/arch/x86/include/asm/irq_vectors.h
===================================================================
--- linux-2.6.orig/arch/x86/include/asm/irq_vectors.h
+++ linux-2.6/arch/x86/include/asm/irq_vectors.h
@@ -122,8 +122,8 @@
/* defined as a macro so nr_irqs = max_nr_irqs(nr_cpu_ids) can be used */
# define max_nr_irqs(nr_cpus) \
- ((8 * nr_cpus) > (32 * MAX_IO_APICS) ? \
- (NR_VECTORS + (8 * NR_CPUS)) : \
+ ((8 * (nr_cpus)) > (32 * MAX_IO_APICS) ? \
+ (NR_VECTORS + (8 * (nr_cpus)) : \
(NR_VECTORS + (32 * MAX_IO_APICS))) \
# define NR_IRQS max_nr_irqs(NR_CPUS)
next reply other threads:[~2009-01-12 5:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-12 5:43 Yinghai Lu [this message]
2009-01-12 18:31 ` [PATCH] x86: use nr_cpus in max_nr_irqs() Mike Travis
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=496AD895.10701@kernel.org \
--to=yinghai@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=travis@sgi.com \
/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.