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authorAnton Blanchard <anton@samba.org>2013-08-07 02:01:26 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-08-14 11:50:26 +1000
commitf13c13a005127b5dc5daaca190277a062d946e63 (patch)
tree0e1085a2eb655f8992590cbce39de0c0f87a5a64 /arch/powerpc/include/asm/spinlock.h
parent0c69f9c52c474ccd1cade27c7be5f8ab830cdc3a (diff)
powerpc: Stop using non-architected shared_proc field in lppaca
Although the shared_proc field in the lppaca works today, it is not architected. A shared processor partition will always have a non zero yield_count so use that instead. Create a wrapper so users don't have to know about the details. In order for older kernels to continue to work on KVM we need to set the shared_proc bit. While here, remove the ugly bitfield. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/spinlock.h')
-rw-r--r--arch/powerpc/include/asm/spinlock.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index 5b23f910ee57..7c345b6518db 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -96,7 +96,7 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
#if defined(CONFIG_PPC_SPLPAR)
/* We only yield to the hypervisor if we are in shared processor mode */
-#define SHARED_PROCESSOR (local_paca->lppaca_ptr->shared_proc)
+#define SHARED_PROCESSOR (lppaca_shared_proc(local_paca->lppaca_ptr))
extern void __spin_yield(arch_spinlock_t *lock);
extern void __rw_yield(arch_rwlock_t *lock);
#else /* SPLPAR */