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[PATCH] i386: replace spin_lock_irqsave with spin_lock 

IRQ is already disabled through local_irq_disable().  So
spin_lock_irqsave() can be replaced with spin_lock().

Signed-off-by: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Hisashi Hifumi 2007-05-02 19:27:18 +02:00 committed by Andi Kleen
parent e8a72ffa3a
commit 62dbc210e2
1 changed files with 2 additions and 4 deletions
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6
arch/i386/kernel/reboot.c
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@ -198,8 +198,6 @@ static unsigned char jump_to_bios [] =
*/
void machine_real_restart(unsigned char *code, int length)
{
unsigned long flags;
local_irq_disable();
/* Write zero to CMOS register number 0x0f, which the BIOS POST
@ -212,9 +210,9 @@ void machine_real_restart(unsigned char *code, int length)
safe side. (Yes, CMOS_WRITE does outb_p's. - Paul G.)
*/
spin_lock_irqsave(&rtc_lock, flags);
spin_lock(&rtc_lock);
CMOS_WRITE(0x00, 0x8f);
spin_unlock_irqrestore(&rtc_lock, flags);
spin_unlock(&rtc_lock);
/* Remap the kernel at virtual address zero, as well as offset zero
from the kernel segment. This assumes the kernel segment starts at