Commit fdc5569e authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar

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: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarMichael 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.deSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 7ef858da
......@@ -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
......
......@@ -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
......
......@@ -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:
......
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