Commit 94c95cfb authored by Li Zhong's avatar Li Zhong Committed by Benjamin Herrenschmidt

powerpc: Avoid debug_smp_processor_id() check in SHARED_PROCESSOR

Use local_paca directly in macro SHARED_PROCESSOR, as all processors
have the same value for the field shared_proc, so we don't need care
racy here.
Reported-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: default avatarLi Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 5e249d45
...@@ -96,7 +96,7 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) ...@@ -96,7 +96,7 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
#if defined(CONFIG_PPC_SPLPAR) #if defined(CONFIG_PPC_SPLPAR)
/* We only yield to the hypervisor if we are in shared processor mode */ /* We only yield to the hypervisor if we are in shared processor mode */
#define SHARED_PROCESSOR (get_lppaca()->shared_proc) #define SHARED_PROCESSOR (local_paca->lppaca_ptr->shared_proc)
extern void __spin_yield(arch_spinlock_t *lock); extern void __spin_yield(arch_spinlock_t *lock);
extern void __rw_yield(arch_rwlock_t *lock); extern void __rw_yield(arch_rwlock_t *lock);
#else /* SPLPAR */ #else /* SPLPAR */
......
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