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authorThomas Gleixner <tglx@linutronix.de>2019-10-24 19:04:58 +0300
committerIngo Molnar <mingo@kernel.org>2019-12-08 16:37:32 +0300
commitfdc5569eaba997852e0bfb57d11af496e4c1fa9a (patch)
tree79bdab7aa1a69b6908f5fbf4a388bb7ed4336600 /arch
parent7ef858dad9fa6cabfe3b78997c3114cd641de6e3 (diff)
downloadlinux-fdc5569eaba997852e0bfb57d11af496e4c1fa9a.tar.xz
sched/rt, powerpc: 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. [bigeasy: +Kconfig] 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> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20191024160458.vlnf3wlcyjl2ich7@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/Kconfig2
-rw-r--r--arch/powerpc/kernel/entry_32.S4
-rw-r--r--arch/powerpc/kernel/entry_64.S4
3 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e446bb5b3f8d..c781170e9923 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -106,7 +106,7 @@ config LOCKDEP_SUPPORT
config GENERIC_LOCKBREAK
bool
default y
- depends on SMP && PREEMPT
+ depends on SMP && PREEMPTION
config GENERIC_HWEIGHT
bool
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index d60908ea37fb..e1a4c39b83b8 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -897,7 +897,7 @@ resume_kernel:
bne- 0b
1:
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
/* check current_thread_info->preempt_count */
lwz r0,TI_PREEMPT(r2)
cmpwi 0,r0,0 /* if non-zero, just restore regs and return */
@@ -921,7 +921,7 @@ resume_kernel:
*/
bl trace_hardirqs_on
#endif
-#endif /* CONFIG_PREEMPT */
+#endif /* CONFIG_PREEMPTION */
restore_kuap:
kuap_restore r1, r2, r9, r10, r0
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 3fd3ef352e3f..a9a1d3cdb523 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -846,7 +846,7 @@ resume_kernel:
bne- 0b
1:
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
/* Check if we need to preempt */
andi. r0,r4,_TIF_NEED_RESCHED
beq+ restore
@@ -877,7 +877,7 @@ resume_kernel:
li r10,MSR_RI
mtmsrd r10,1 /* Update machine state */
#endif /* CONFIG_PPC_BOOK3E */
-#endif /* CONFIG_PREEMPT */
+#endif /* CONFIG_PREEMPTION */
.globl fast_exc_return_irq
fast_exc_return_irq: