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ARC: make plat_smp_ops weak to allow over-rides 

This allows platforms to provide their own cpu wakeup routines
as well as IPI send / clear backends, while allowing a SMP kernel w/o
any such backend to build/boot

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2015-06-04 17:37:23 +05:30
parent aa93e8ef98
commit 173eaafaed
1 changed files with 1 additions and 1 deletions
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2
arch/arc/kernel/smp.c
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@ -31,7 +31,7 @@ arch_spinlock_t smp_atomic_ops_lock = __ARCH_SPIN_LOCK_UNLOCKED;
arch_spinlock_t smp_bitops_lock = __ARCH_SPIN_LOCK_UNLOCKED;
#endif
struct plat_smp_ops plat_smp_ops;
struct plat_smp_ops __weak plat_smp_ops;
/* XXX: per cpu ? Only needed once in early seconday boot */
struct task_struct *secondary_idle_tsk;