Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [21/34] i386: replace spin_lock_irqsave with spin_lock | Date | Mon, 30 Apr 2007 17:49:54 +0200 (CEST) |
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From: Hisashi Hifumi <hifumi.hisashi@oss.ntt.co.jp>
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> ---
arch/i386/kernel/reboot.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
Index: linux/arch/i386/kernel/reboot.c =================================================================== --- linux.orig/arch/i386/kernel/reboot.c +++ linux/arch/i386/kernel/reboot.c @@ -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 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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