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Subject[tip: sched/urgent] sched/rt, MIPS: Use CONFIG_PREEMPTION
The following commit has been merged into the sched/urgent branch of tip:

Commit-ID: 098fa51b1d054fbc9ec1286a3c74231aebd6ff15
Gitweb: https://git.kernel.org/tip/098fa51b1d054fbc9ec1286a3c74231aebd6ff15
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 15 Oct 2019 21:17:59 +02:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Sun, 08 Dec 2019 14:37:34 +01:00

sched/rt, MIPS: 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 and assmebly macros 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: James Hogan <jhogan@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@vger.kernel.org
Link: https://lore.kernel.org/r/20191015191821.11479-13-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/mips/include/asm/asmmacro.h | 4 ++--
arch/mips/kernel/entry.S | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index feb069c..655f40d 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -63,7 +63,7 @@
.endm

.macro local_irq_disable reg=t0
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
lw \reg, TI_PRE_COUNT($28)
addi \reg, \reg, 1
sw \reg, TI_PRE_COUNT($28)
@@ -73,7 +73,7 @@
xori \reg, \reg, 1
mtc0 \reg, CP0_STATUS
irq_disable_hazard
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
lw \reg, TI_PRE_COUNT($28)
addi \reg, \reg, -1
sw \reg, TI_PRE_COUNT($28)
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 5469d43..4849a48 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -19,7 +19,7 @@
#include <asm/thread_info.h>
#include <asm/war.h>

-#ifndef CONFIG_PREEMPT
+#ifndef CONFIG_PREEMPTION
#define resume_kernel restore_all
#else
#define __ret_from_irq ret_from_exception
@@ -27,7 +27,7 @@

.text
.align 5
-#ifndef CONFIG_PREEMPT
+#ifndef CONFIG_PREEMPTION
FEXPORT(ret_from_exception)
local_irq_disable # preempt stop
b __ret_from_irq
@@ -53,7 +53,7 @@ resume_userspace:
bnez t0, work_pending
j restore_all

-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
resume_kernel:
local_irq_disable
lw t0, TI_PRE_COUNT($28)
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