Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754076AbbGISDh (ORCPT ); Thu, 9 Jul 2015 14:03:37 -0400 Received: from casper.infradead.org ([85.118.1.10]:35488 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753480AbbGIR4H (ORCPT ); Thu, 9 Jul 2015 13:56:07 -0400 Message-Id: <20150709175310.229218215@infradead.org> User-Agent: quilt/0.61-1 Date: Thu, 09 Jul 2015 19:29:18 +0200 From: Peter Zijlstra To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: rth@twiddle.net, vgupta@synopsys.com, linux@arm.linux.org.uk, will.deacon@arm.com, hskinnemoen@gmail.com, realmz6@gmail.com, dhowells@redhat.com, rkuo@codeaurora.org, tony.luck@intel.com, geert@linux-m68k.org, james.hogan@imgtec.com, ralf@linux-mips.org, jejb@parisc-linux.org, benh@kernel.crashing.org, heiko.carstens@de.ibm.com, davem@davemloft.net, cmetcalf@ezchip.com, mingo@kernel.org, peterz@infradead.org Subject: [RFC][PATCH 23/24] atomic: Collapse all atomic_{set,clear}_mask definitions References: <20150709172855.564686637@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline; filename=peterz-atomic-linux-ops.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 9410 Lines: 345 Move the now generic definitions of atomic_{set,clear}_mask() into linux/atomic.h to avoid endless and pointless repetition. Also, provide an atomic_nand() wrapper for those few archs that can implement that. Signed-off-by: Peter Zijlstra (Intel) --- arch/arc/include/asm/atomic.h | 10 ---------- arch/blackfin/include/asm/atomic.h | 10 ---------- arch/frv/include/asm/atomic.h | 10 ---------- arch/m32r/include/asm/atomic.h | 11 ----------- arch/m68k/include/asm/atomic.h | 10 ---------- arch/metag/include/asm/atomic_lnkget.h | 10 ---------- arch/metag/include/asm/atomic_lock1.h | 10 ---------- arch/mn10300/include/asm/atomic.h | 24 ------------------------ arch/powerpc/kernel/misc_32.S | 19 ------------------- arch/s390/include/asm/atomic.h | 10 ---------- arch/sh/include/asm/atomic.h | 10 ---------- arch/x86/include/asm/atomic.h | 10 ---------- arch/xtensa/include/asm/atomic.h | 10 ---------- include/asm-generic/atomic.h | 10 ---------- include/linux/atomic.h | 17 +++++++++++++++++ 15 files changed, 17 insertions(+), 164 deletions(-) --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -151,16 +151,6 @@ ATOMIC_OP(xor, ^=, xor) #undef ATOMIC_OP_RETURN #undef ATOMIC_OP -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - /** * __atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t --- a/arch/blackfin/include/asm/atomic.h +++ b/arch/blackfin/include/asm/atomic.h @@ -32,16 +32,6 @@ asmlinkage int __raw_atomic_test_asm(con #define atomic_and(i, v) (void)__raw_atomic_and_asm(&(v)->counter, i) #define atomic_xor(i, v) (void)__raw_atomic_xor_asm(&(v)->counter, i) -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - #endif #include --- a/arch/frv/include/asm/atomic.h +++ b/arch/frv/include/asm/atomic.h @@ -198,14 +198,4 @@ ATOMIC_OP(xor) #undef ATOMIC_OP -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - #endif /* _ASM_ATOMIC_H */ --- a/arch/m32r/include/asm/atomic.h +++ b/arch/m32r/include/asm/atomic.h @@ -242,15 +242,4 @@ static __inline__ int __atomic_add_unles return c; } - -static __inline__ __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static __inline__ __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - #endif /* _ASM_M32R_ATOMIC_H */ --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -173,16 +173,6 @@ static inline int atomic_add_negative(in return c != 0; } -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; --- a/arch/metag/include/asm/atomic_lnkget.h +++ b/arch/metag/include/asm/atomic_lnkget.h @@ -81,16 +81,6 @@ ATOMIC_OP(xor) #undef ATOMIC_OP_RETURN #undef ATOMIC_OP -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) { int result, temp; --- a/arch/metag/include/asm/atomic_lock1.h +++ b/arch/metag/include/asm/atomic_lock1.h @@ -76,16 +76,6 @@ ATOMIC_OP(xor, ^=) #undef ATOMIC_OP_RETURN #undef ATOMIC_OP -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) { int ret; --- a/arch/mn10300/include/asm/atomic.h +++ b/arch/mn10300/include/asm/atomic.h @@ -130,30 +130,6 @@ static inline void atomic_dec(atomic_t * #define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v))) #define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) -/** - * atomic_clear_mask - Atomically clear bits in memory - * @mask: Mask of the bits to be cleared - * @v: pointer to word in memory - * - * Atomically clears the bits set in mask from the memory word specified. - */ -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -/** - * atomic_set_mask - Atomically set bits in memory - * @mask: Mask of the bits to be set - * @v: pointer to word in memory - * - * Atomically sets the bits set in mask from the memory word specified. - */ -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - #endif /* __KERNEL__ */ #endif /* CONFIG_SMP */ #endif /* _ASM_ATOMIC_H */ --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -596,25 +596,6 @@ _GLOBAL(copy_page) b 2b /* - * void atomic_clear_mask(atomic_t mask, atomic_t *addr) - * void atomic_set_mask(atomic_t mask, atomic_t *addr); - */ -_GLOBAL(atomic_clear_mask) -10: lwarx r5,0,r4 - andc r5,r5,r3 - PPC405_ERR77(0,r4) - stwcx. r5,0,r4 - bne- 10b - blr -_GLOBAL(atomic_set_mask) -10: lwarx r5,0,r4 - or r5,r5,r3 - PPC405_ERR77(0,r4) - stwcx. r5,0,r4 - bne- 10b - blr - -/* * Extended precision shifts. * * Updated to be valid for shift counts from 0 to 63 inclusive. --- a/arch/s390/include/asm/atomic.h +++ b/arch/s390/include/asm/atomic.h @@ -132,16 +132,6 @@ ATOMIC_OP(xor, XOR) #undef ATOMIC_OP -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) static inline int atomic_cmpxchg(atomic_t *v, int old, int new) --- a/arch/sh/include/asm/atomic.h +++ b/arch/sh/include/asm/atomic.h @@ -25,16 +25,6 @@ #include #endif -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) #define atomic_dec_return(v) atomic_sub_return(1, (v)) #define atomic_inc_return(v) atomic_add_return(1, (v)) --- a/arch/x86/include/asm/atomic.h +++ b/arch/x86/include/asm/atomic.h @@ -234,16 +234,6 @@ static __always_inline short int atomic_ return *v; } -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - #ifdef CONFIG_X86_32 # include #else --- a/arch/xtensa/include/asm/atomic.h +++ b/arch/xtensa/include/asm/atomic.h @@ -152,16 +152,6 @@ ATOMIC_OP(xor) #undef ATOMIC_OP_RETURN #undef ATOMIC_OP -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - /** * atomic_sub_and_test - subtract value from variable and test result * @i: integer value to subtract --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -113,16 +113,6 @@ ATOMIC_OP(xor, ^) #undef ATOMIC_OP_RETURN #undef ATOMIC_OP -static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) -{ - atomic_and(~mask, v); -} - -static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) -{ - atomic_or(mask, v); -} - /* * Atomic operations that C can't guarantee us. Useful for * resource counting etc.. --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -28,6 +28,23 @@ static inline int atomic_add_unless(atom #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #endif +#ifndef atomic_nand +static inline void atomic_nand(int i, atomic_t *v) +{ + atomic_and(~i, v); +} +#endif + +static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) +{ + atomic_nand(mask, v); +} + +static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) +{ + atomic_or(mask, v); +} + /** * atomic_inc_not_zero_hint - increment if not null * @v: pointer of type atomic_t -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/