From: Adrian Bunk <bunk@stusta.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: [2.6 patch] i386: no need to make enable_cpu_hotplug a variable
Date: Sun, 29 Jul 2007 17:02:48 +0200 [thread overview]
Message-ID: <20070729150248.GA16817@stusta.de> (raw)
As long as there's no write access to this variable there's no reason
to let gcc check it at runtime.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
---
This patch has been sent on:
- 6 Jul 2007
arch/i386/kernel/topology.c | 2 --
include/asm-i386/cpu.h | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)
--- linux-2.6.22-rc6-mm1/include/asm-i386/cpu.h.old 2007-07-04 20:29:25.000000000 +0200
+++ linux-2.6.22-rc6-mm1/include/asm-i386/cpu.h 2007-07-04 20:36:33.000000000 +0200
@@ -13,7 +13,7 @@
extern int arch_register_cpu(int num);
#ifdef CONFIG_HOTPLUG_CPU
extern void arch_unregister_cpu(int);
-extern int enable_cpu_hotplug;
+#define enable_cpu_hotplug 1
#else
#define enable_cpu_hotplug 0
#endif
--- linux-2.6.22-rc6-mm1/arch/i386/kernel/topology.c.old 2007-07-04 20:30:12.000000000 +0200
+++ linux-2.6.22-rc6-mm1/arch/i386/kernel/topology.c 2007-07-04 20:35:56.000000000 +0200
@@ -51,8 +51,6 @@
}
#ifdef CONFIG_HOTPLUG_CPU
-int enable_cpu_hotplug = 1;
-
void arch_unregister_cpu(int num) {
return unregister_cpu(&cpu_devices[num].cpu);
}
next reply other threads:[~2007-07-29 15:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-29 15:02 Adrian Bunk [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-07-05 23:22 [2.6 patch] i386: no need to make enable_cpu_hotplug a variable Adrian Bunk
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