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locking/core: Provide common cpu_relax_yield() definition
No need to duplicate the same define everywhere. Since the only user is stop-machine and the only provider is s390, we can use a default implementation of cpu_relax_yield() in sched.h. Suggested-by: Russell King <[email protected]> Signed-off-by: Christian Borntraeger <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Acked-by: Russell King <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Nicholas Piggin <[email protected]> Cc: Noam Camus <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Will Deacon <[email protected]> Cc: [email protected] Cc: [email protected] Cc: linux-s390 <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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33 changed files with 5 additions and 38 deletions
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@ -121,7 +121,6 @@ extern unsigned long get_wchan(struct task_struct *p);
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#define KSTK_ESP(task) (task_pt_regs(task)->sp)
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#define cpu_relax() do { } while (0)
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#define cpu_relax_yield() cpu_relax()
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extern const struct seq_operations cpuinfo_op;
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