[tip: sched/urgent] sched/rt, ARC: Use CONFIG_PREEMPTION

From: tip-bot2 for Thomas Gleixner
Date: Sun Dec 08 2019 - 09:59:21 EST


The following commit has been merged into the sched/urgent branch of tip:

Commit-ID: 916591722c7543570843b54d5896121146b498f5
Gitweb: https://git.kernel.org/tip/916591722c7543570843b54d5896121146b498f5
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 15 Oct 2019 21:17:51 +02:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Sun, 08 Dec 2019 14:37:32 +01:00

sched/rt, ARC: Use CONFIG_PREEMPTION

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@xxxxxxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20191015191821.11479-5-bigeasy@xxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/arc/kernel/entry.S | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 72be012..1f6bb18 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -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