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preempt: Move PREEMPT_NEED_RESCHED definition into arch code

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PREEMPT_NEED_RESCHED is never used directly, so move it into the arch
code where it can potentially be implemented using either a different
bit in the preempt count or as an entirely separate entity.

Cc: Robert Love <rml@tech9.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon
2018-09-19 13:39:26 +01:00
parent a21b0b78ea
commit 08861d33d6
3 changed files with 5 additions and 3 deletions
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3
include/linux/preempt.h
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@@ -53,9 +53,6 @@
#define SOFTIRQ_DISABLE_OFFSET (2 * SOFTIRQ_OFFSET)
/* We use the MSB mostly because its available */
#define PREEMPT_NEED_RESCHED 0x80000000
#define PREEMPT_DISABLED (PREEMPT_DISABLE_OFFSET + PREEMPT_ENABLED)
/*