linux-kernel - [PATCH 41/42] x86_64: remove one nr_irqs in show

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Date:	Fri,  8 Aug 2008 14:52:47 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Mike Travis <travis@....com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Yinghai Lu <yhlu.kernel@...il.com>
Subject: [PATCH 41/42] x86_64: remove one nr_irqs in show_stat

loop with irq_desc list

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>
---
 fs/proc/proc_misc.c |   18 ++++++++----------
 1 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 15901c7..c001d1a 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -567,20 +567,18 @@ static int show_stat(struct seq_file *p, void *v)
 	}
 	seq_printf(p, "intr %llu", (unsigned long long)sum);
 
-	/* sum again ? it could be updated? have another field in irq_desc?*/
-	for (j = 0; j < nr_irqs; j++) {
+	/* sum again ? it could be updated? */
+	for_each_irq_desc(j, desc) {
 		per_irq_sum = 0;
-		desc = irq_desc(j);
 
-		if (desc)
-			for_each_possible_cpu(i) {
-				unsigned int temp;
+		for_each_possible_cpu(i) {
+			unsigned int temp;
 
-				temp = kstat_irqs_cpu(j, i);
-				per_irq_sum += temp;
-			}
+			temp = kstat_irqs_cpu(j, i);
+			per_irq_sum += temp;
+		}
 
-		seq_printf(p, " %u", per_irq_sum);
+		seq_printf(p, " %u:%u", j, per_irq_sum);
 	}
 
 	seq_printf(p,
-- 
1.5.4.5

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