From: Hisashi Hifumi Date: Wed, 2 May 2007 17:27:18 +0000 (+0200) Subject: [PATCH] i386: replace spin_lock_irqsave with spin_lock X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=62dbc210e2532dec061ca65eeb8bc31b6c898b01;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [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 Signed-off-by: Andi Kleen Cc: Andi Kleen Signed-off-by: Andrew Morton --- diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c index 14b4de2882be..50dfc65319cd 100644 --- a/arch/i386/kernel/reboot.c +++ b/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 *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