Re: [PATCH 2.6.10-mm2] Use the new preemption code [2/3] Resend

From: Andrew Morton
Date: Mon Jan 10 2005 - 02:35:13 EST


Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> This patch adjusts the ARM entry code to use the fixed up
> preempt_schedule() handling in 2.6.10-mm2
>
> ...
> Index: 2.6.10-mm1/arch/arm/kernel/entry.S

There's no such file. I assumed you meant entry-armv.S and ended up with
the below.

--- 25/arch/arm/kernel/entry-armv.S~use-the-new-preemption-code-arm 2005-01-09 23:30:34.794573320 -0800
+++ 25-akpm/arch/arm/kernel/entry-armv.S 2005-01-09 23:30:34.797572864 -0800
@@ -136,10 +136,8 @@ svc_preempt: teq r9, #0 @ was preempt
ldr r1, [r6, #8] @ local_bh_count
adds r0, r0, r1
movne pc, lr
- mov r7, #PREEMPT_ACTIVE
- str r7, [r8, #TI_PREEMPT] @ set PREEMPT_ACTIVE
1: enable_irq r2 @ enable IRQs
- bl schedule
+ bl entry_preempt_schedule
disable_irq r0 @ disable IRQs
ldr r0, [r8, #TI_FLAGS] @ get new tasks TI_FLAGS
tst r0, #_TIF_NEED_RESCHED
_

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