lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 12 Aug 2015 05:35:07 -0700 From: tip-bot for Will Deacon <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: hpa@...or.com, tglx@...utronix.de, mingo@...nel.org, will.deacon@....com, torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org, peterz@...radead.org Subject: [tip:locking/core] locking, asm-generic: Add _{relaxed|acquire|release}() variants for 'atomic_long_t' Commit-ID: 6d79ef2d30ee5af7315535d1e7bf6fce0008f815 Gitweb: http://git.kernel.org/tip/6d79ef2d30ee5af7315535d1e7bf6fce0008f815 Author: Will Deacon <will.deacon@....com> AuthorDate: Thu, 6 Aug 2015 17:54:39 +0100 Committer: Ingo Molnar <mingo@...nel.org> CommitDate: Wed, 12 Aug 2015 11:59:01 +0200 locking, asm-generic: Add _{relaxed|acquire|release}() variants for 'atomic_long_t' This patch adds 'atomic_long_t' wrappers for the new relaxed atomic operations. Signed-off-by: Will Deacon <will.deacon@....com> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org> Cc: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Thomas Gleixner <tglx@...utronix.de> Cc: Waiman.Long@...com Cc: paulmck@...ux.vnet.ibm.com Link: http://lkml.kernel.org/r/1438880084-18856-4-git-send-email-will.deacon@arm.com Signed-off-by: Ingo Molnar <mingo@...nel.org> --- include/asm-generic/atomic-long.h | 86 +++++++++++++++++++++++++++------------ 1 file changed, 59 insertions(+), 27 deletions(-) diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h index beaea54..a94cbeb 100644 --- a/include/asm-generic/atomic-long.h +++ b/include/asm-generic/atomic-long.h @@ -34,19 +34,69 @@ typedef atomic_t atomic_long_t; #endif -static inline long atomic_long_read(atomic_long_t *l) -{ - ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; - - return (long)ATOMIC_LONG_PFX(_read)(v); +#define ATOMIC_LONG_READ_OP(mo) \ +static inline long atomic_long_read##mo(atomic_long_t *l) \ +{ \ + ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \ + \ + return (long)ATOMIC_LONG_PFX(_read##mo)(v); \ } +ATOMIC_LONG_READ_OP() +ATOMIC_LONG_READ_OP(_acquire) -static inline void atomic_long_set(atomic_long_t *l, long i) -{ - ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; +#undef ATOMIC_LONG_READ_OP - ATOMIC_LONG_PFX(_set)(v, i); +#define ATOMIC_LONG_SET_OP(mo) \ +static inline void atomic_long_set##mo(atomic_long_t *l, long i) \ +{ \ + ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \ + \ + ATOMIC_LONG_PFX(_set##mo)(v, i); \ +} +ATOMIC_LONG_SET_OP() +ATOMIC_LONG_SET_OP(_release) + +#undef ATOMIC_LONG_SET_OP + +#define ATOMIC_LONG_ADD_SUB_OP(op, mo) \ +static inline long \ +atomic_long_##op##_return##mo(long i, atomic_long_t *l) \ +{ \ + ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; \ + \ + return (long)ATOMIC_LONG_PFX(_##op##_return##mo)(i, v); \ } +ATOMIC_LONG_ADD_SUB_OP(add,) +ATOMIC_LONG_ADD_SUB_OP(add, _relaxed) +ATOMIC_LONG_ADD_SUB_OP(add, _acquire) +ATOMIC_LONG_ADD_SUB_OP(add, _release) +ATOMIC_LONG_ADD_SUB_OP(sub,) +ATOMIC_LONG_ADD_SUB_OP(sub, _relaxed) +ATOMIC_LONG_ADD_SUB_OP(sub, _acquire) +ATOMIC_LONG_ADD_SUB_OP(sub, _release) + +#undef ATOMIC_LONG_ADD_SUB_OP + +#define atomic_long_cmpxchg_relaxed(l, old, new) \ + (ATOMIC_LONG_PFX(_cmpxchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(l), \ + (old), (new))) +#define atomic_long_cmpxchg_acquire(l, old, new) \ + (ATOMIC_LONG_PFX(_cmpxchg_acquire)((ATOMIC_LONG_PFX(_t) *)(l), \ + (old), (new))) +#define atomic_long_cmpxchg_release(l, old, new) \ + (ATOMIC_LONG_PFX(_cmpxchg_release)((ATOMIC_LONG_PFX(_t) *)(l), \ + (old), (new))) +#define atomic_long_cmpxchg(l, old, new) \ + (ATOMIC_LONG_PFX(_cmpxchg)((ATOMIC_LONG_PFX(_t) *)(l), (old), (new))) + +#define atomic_long_xchg_relaxed(v, new) \ + (ATOMIC_LONG_PFX(_xchg_relaxed)((ATOMIC_LONG_PFX(_t) *)(v), (new))) +#define atomic_long_xchg_acquire(v, new) \ + (ATOMIC_LONG_PFX(_xchg_acquire)((ATOMIC_LONG_PFX(_t) *)(v), (new))) +#define atomic_long_xchg_release(v, new) \ + (ATOMIC_LONG_PFX(_xchg_release)((ATOMIC_LONG_PFX(_t) *)(v), (new))) +#define atomic_long_xchg(v, new) \ + (ATOMIC_LONG_PFX(_xchg)((ATOMIC_LONG_PFX(_t) *)(v), (new))) static inline void atomic_long_inc(atomic_long_t *l) { @@ -104,20 +154,6 @@ static inline int atomic_long_add_negative(long i, atomic_long_t *l) return ATOMIC_LONG_PFX(_add_negative)(i, v); } -static inline long atomic_long_add_return(long i, atomic_long_t *l) -{ - ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; - - return (long)ATOMIC_LONG_PFX(_add_return)(i, v); -} - -static inline long atomic_long_sub_return(long i, atomic_long_t *l) -{ - ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; - - return (long)ATOMIC_LONG_PFX(_sub_return)(i, v); -} - static inline long atomic_long_inc_return(atomic_long_t *l) { ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l; @@ -141,9 +177,5 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) #define atomic_long_inc_not_zero(l) \ ATOMIC_LONG_PFX(_inc_not_zero)((ATOMIC_LONG_PFX(_t) *)(l)) -#define atomic_long_cmpxchg(l, old, new) \ - (ATOMIC_LONG_PFX(_cmpxchg)((ATOMIC_LONG_PFX(_t) *)(l), (old), (new))) -#define atomic_long_xchg(v, new) \ - (ATOMIC_LONG_PFX(_xchg)((ATOMIC_LONG_PFX(_t) *)(v), (new))) #endif /* _ASM_GENERIC_ATOMIC_LONG_H */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists