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Commit 62dbc210 authored by Hisashi Hifumi's avatar Hisashi Hifumi Committed by Andi Kleen
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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: default avatarHisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e8a72ffa

arch/i386/kernel/reboot.c

+2 −4
Original line number Diff line number Diff line
@@ -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