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sched/rt, ARC: Use CONFIG_PREEMPTION

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CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT.
Both PREEMPT and PREEMPT_RT require the same functionality which today
depends on CONFIG_PREEMPT.

Switch the entry code over to use CONFIG_PREEMPTION.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: linux-snps-arc@lists.infradead.org
Link: https://lore.kernel.org/r/20191015191821.11479-5-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Thomas Gleixner 2019-10-15 21:17:51 +02:00 committed by Ingo Molnar
parent fdc5569eab
commit 916591722c
1 changed files with 3 additions and 3 deletions
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6
arch/arc/kernel/entry.S
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@ -337,11 +337,11 @@ resume_user_mode_begin:
resume_kernel_mode:
; Disable Interrupts from this point on
; CONFIG_PREEMPT: This is a must for preempt_schedule_irq()
; !CONFIG_PREEMPT: To ensure restore_regs is intr safe
; CONFIG_PREEMPTION: This is a must for preempt_schedule_irq()
; !CONFIG_PREEMPTION: To ensure restore_regs is intr safe
IRQ_DISABLE r9
#ifdef CONFIG_PREEMPT
#ifdef CONFIG_PREEMPTION
; Can't preempt if preemption disabled
GET_CURR_THR_INFO_FROM_SP r10