linux-kernel - [PATCH 34/43] MN10300: Delete idle_timestamp from irq_cpustat

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Date:	Tue, 26 Oct 2010 03:56:03 +0100
From:	David Howells <dhowells@...hat.com>
To:	linux-am33-list@...hat.com
Cc:	linux-kernel@...r.kernel.org,
	Akira Takeuchi <takeuchi.akr@...panasonic.com>,
	Kiyoshi Owada <owada.kiyoshi@...panasonic.com>
Subject: [PATCH 34/43] MN10300: Delete idle_timestamp from irq_cpustat_t

From: Akira Takeuchi <takeuchi.akr@...panasonic.com>

Delete idle_timestamp from irq_cpustat_t as it's an unread relic.

Signed-off-by: Akira Takeuchi <takeuchi.akr@...panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@...panasonic.com>
Signed-off-by: David Howells <dhowells@...hat.com>
---

 arch/mn10300/include/asm/hardirq.h |    1 -
 arch/mn10300/kernel/process.c      |    2 --
 2 files changed, 0 insertions(+), 3 deletions(-)


diff --git a/arch/mn10300/include/asm/hardirq.h b/arch/mn10300/include/asm/hardirq.h
index 54d9501..7bd9b7c 100644
--- a/arch/mn10300/include/asm/hardirq.h
+++ b/arch/mn10300/include/asm/hardirq.h
@@ -19,7 +19,6 @@
 /* assembly code in softirq.h is sensitive to the offsets of these fields */
 typedef struct {
 	unsigned int	__softirq_pending;
-	unsigned long	idle_timestamp;
 	unsigned int	__nmi_count;	/* arch dependent */
 	unsigned int	__irq_count;	/* arch dependent */
 } ____cacheline_aligned irq_cpustat_t;
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index f48373e..243e33c 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -88,8 +88,6 @@ void cpu_idle(void)
 			idle = pm_idle;
 			if (!idle)
 				idle = default_idle;
-
-			irq_stat[cpu].idle_timestamp = jiffies;
 			idle();
 		}
 

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