The patch titled
i386 machine_real_restart(): replace spin_lock_irqsave with spin_lock
has been added to the -mm tree. Its filename is
i386-machine_real_restart-replace-spin_lock_irqsave-with-spin_lock.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: i386 machine_real_restart(): replace spin_lock_irqsave with spin_lock
From: Hisashi Hifumi <hifumi.hisashi@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/i386/kernel/reboot.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff -puN arch/i386/kernel/reboot.c~i386-machine_real_restart-replace-spin_lock_irqsave-with-spin_lock arch/i386/kernel/reboot.c
--- a/arch/i386/kernel/reboot.c~i386-machine_real_restart-replace-spin_lock_irqsave-with-spin_lock
+++ a/arch/i386/kernel/reboot.c
@@ -197,8 +197,6 @@ 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
@@ -211,9 +209,9 @@ 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
_
Patches currently in -mm which might be from hifumi.hisashi@xxxxxxxxxxxxx are
i386-machine_real_restart-replace-spin_lock_irqsave-with-spin_lock.patch
-
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