search for: simple_spinlock

To prepare for queued spinlocks. This is a simple rename except to update preprocessor guard name and a file reference. Signed-off-by: Nicholas Piggin <npiggin at gmail.com> --- arch/powerpc/include/asm/simple_spinlock.h | 292 ++++++++++++++++++ .../include/asm/simple_spinlock_types.h | 21 ++ arch/powerpc/include/asm/spinlock.h | 285 +---------------- arch/powerpc/include/asm/spinlock_types.h | 12 +- 4 files changed, 315 insertions(+), 295 deletions(-) create mode 100644 arch/powerpc...

v3 is updated to use __pv_queued_spin_unlock, noticed by Waiman (thank you). Thanks, Nick Nicholas Piggin (6): powerpc/powernv: must include hvcall.h to get PAPR defines powerpc/pseries: move some PAPR paravirt functions to their own file powerpc: move spinlock implementation to simple_spinlock powerpc/64s: implement queued spinlocks and rwlocks powerpc/pseries: implement paravirt qspinlocks for SPLPAR powerpc/qspinlock: optimised atomic_try_cmpxchg_lock that adds the lock hint arch/powerpc/Kconfig | 13 + arch/powerpc/include/asm/Kbuild...

v3 is updated to use __pv_queued_spin_unlock, noticed by Waiman (thank you). Thanks, Nick Nicholas Piggin (6): powerpc/powernv: must include hvcall.h to get PAPR defines powerpc/pseries: move some PAPR paravirt functions to their own file powerpc: move spinlock implementation to simple_spinlock powerpc/64s: implement queued spinlocks and rwlocks powerpc/pseries: implement paravirt qspinlocks for SPLPAR powerpc/qspinlock: optimised atomic_try_cmpxchg_lock that adds the lock hint arch/powerpc/Kconfig | 13 + arch/powerpc/include/asm/Kbuild...

...echnology and great results especially on the big systems but even on smaller ones there are nice gains. Thanks Waiman and everyone who developed it. Thanks, Nick Nicholas Piggin (6): powerpc/pseries: move some PAPR paravirt functions to their own file powerpc: move spinlock implementation to simple_spinlock powerpc/64s: implement queued spinlocks and rwlocks powerpc/pseries: implement paravirt qspinlocks for SPLPAR powerpc/qspinlock: optimised atomic_try_cmpxchg_lock that adds the lock hint powerpc: implement smp_cond_load_relaxed arch/powerpc/Kconfig | 15 + ar...

...ued_spin_unlock, noticed by Waiman (thank you). > > Thanks, > Nick > > Nicholas Piggin (6): > powerpc/powernv: must include hvcall.h to get PAPR defines > powerpc/pseries: move some PAPR paravirt functions to their own file > powerpc: move spinlock implementation to simple_spinlock > powerpc/64s: implement queued spinlocks and rwlocks > powerpc/pseries: implement paravirt qspinlocks for SPLPAR > powerpc/qspinlock: optimised atomic_try_cmpxchg_lock that adds the > lock hint > > arch/powerpc/Kconfig | 13 + > arch/...

...k we could merge it fairly soon. Thanks, Nick Nicholas Piggin (8): powerpc/powernv: must include hvcall.h to get PAPR defines powerpc/pseries: use smp_rmb() in H_CONFER spin yield powerpc/pseries: move some PAPR paravirt functions to their own file powerpc: move spinlock implementation to simple_spinlock powerpc/64s: implement queued spinlocks and rwlocks powerpc/pseries: implement paravirt qspinlocks for SPLPAR powerpc/qspinlock: optimised atomic_try_cmpxchg_lock that adds the lock hint powerpc/64s: remove paravirt from simple spinlocks (RFC only) arch/powerpc/Kconfig...

...ill, Peter, and Waiman (thank you), and trims off a couple of RFC and unrelated patches. Thanks, Nick Nicholas Piggin (6): powerpc/powernv: must include hvcall.h to get PAPR defines powerpc/pseries: move some PAPR paravirt functions to their own file powerpc: move spinlock implementation to simple_spinlock powerpc/64s: implement queued spinlocks and rwlocks powerpc/pseries: implement paravirt qspinlocks for SPLPAR powerpc/qspinlock: optimised atomic_try_cmpxchg_lock that adds the lock hint arch/powerpc/Kconfig | 13 + arch/powerpc/include/asm/Kbuild...

...; + } We could avoid the ifdef with this I think? diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index 434615f1d761..6ec72282888d 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -10,5 +10,9 @@ #include <asm/simple_spinlock.h> #endif +#ifndef CONFIG_PARAVIRT_SPINLOCKS +static inline void pv_spinlocks_init(void) { } +#endif + #endif /* __KERNEL__ */ #endif /* __ASM_SPINLOCK_H */ cheers

...; + } We could avoid the ifdef with this I think? diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index 434615f1d761..6ec72282888d 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -10,5 +10,9 @@ #include <asm/simple_spinlock.h> #endif +#ifndef CONFIG_PARAVIRT_SPINLOCKS +static inline void pv_spinlocks_init(void) { } +#endif + #endif /* __KERNEL__ */ #endif /* __ASM_SPINLOCK_H */ cheers

...an (thank you). >> >> Thanks, >> Nick >> >> Nicholas Piggin (6): >> powerpc/powernv: must include hvcall.h to get PAPR defines >> powerpc/pseries: move some PAPR paravirt functions to their own file >> powerpc: move spinlock implementation to simple_spinlock >> powerpc/64s: implement queued spinlocks and rwlocks >> powerpc/pseries: implement paravirt qspinlocks for SPLPAR >> powerpc/qspinlock: optimised atomic_try_cmpxchg_lock that adds the >> lock hint >> >> arch/powerpc/Kconfig...

...an (thank you). >> >> Thanks, >> Nick >> >> Nicholas Piggin (6): >> powerpc/powernv: must include hvcall.h to get PAPR defines >> powerpc/pseries: move some PAPR paravirt functions to their own file >> powerpc: move spinlock implementation to simple_spinlock >> powerpc/64s: implement queued spinlocks and rwlocks >> powerpc/pseries: implement paravirt qspinlocks for SPLPAR >> powerpc/qspinlock: optimised atomic_try_cmpxchg_lock that adds the >> lock hint >> >> arch/powerpc/Kconfig...

...th this I think? > > diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h > index 434615f1d761..6ec72282888d 100644 > --- a/arch/powerpc/include/asm/spinlock.h > +++ b/arch/powerpc/include/asm/spinlock.h > @@ -10,5 +10,9 @@ > #include <asm/simple_spinlock.h> > #endif > > +#ifndef CONFIG_PARAVIRT_SPINLOCKS > +static inline void pv_spinlocks_init(void) { } > +#endif > + > #endif /* __KERNEL__ */ > #endif /* __ASM_SPINLOCK_H */ > > > cheers > We don't really need to do a pv_spinlocks_init() if pv_kick()...

...fe0..434615f1d761 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -3,7 +3,12 @@ #define __ASM_SPINLOCK_H #ifdef __KERNEL__ +#ifdef CONFIG_PPC_QUEUED_SPINLOCKS +#include <asm/qspinlock.h> +#include <asm/qrwlock.h> +#else #include <asm/simple_spinlock.h> +#endif #endif /* __KERNEL__ */ #endif /* __ASM_SPINLOCK_H */ diff --git a/arch/powerpc/include/asm/spinlock_types.h b/arch/powerpc/include/asm/spinlock_types.h index 3906f52dae65..c5d742f18021 100644 --- a/arch/powerpc/include/asm/spinlock_types.h +++ b/arch/powerpc/include/asm/spinlock_...

...fe0..434615f1d761 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -3,7 +3,12 @@ #define __ASM_SPINLOCK_H #ifdef __KERNEL__ +#ifdef CONFIG_PPC_QUEUED_SPINLOCKS +#include <asm/qspinlock.h> +#include <asm/qrwlock.h> +#else #include <asm/simple_spinlock.h> +#endif #endif /* __KERNEL__ */ #endif /* __ASM_SPINLOCK_H */ diff --git a/arch/powerpc/include/asm/spinlock_types.h b/arch/powerpc/include/asm/spinlock_types.h index 3906f52dae65..c5d742f18021 100644 --- a/arch/powerpc/include/asm/spinlock_types.h +++ b/arch/powerpc/include/asm/spinlock_...