From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: [RFC PATCH 15/16] sparc: locks: remove unused arch_*_relax operations Date: Fri, 21 Jun 2013 18:17:36 +0100 Message-ID: <1371835057-19335-16-git-send-email-will.deacon@arm.com> References: <1371835057-19335-1-git-send-email-will.deacon@arm.com> Return-path: Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:49338 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423412Ab3FURRr (ORCPT ); Fri, 21 Jun 2013 13:17:47 -0400 In-Reply-To: <1371835057-19335-1-git-send-email-will.deacon@arm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-arch@vger.kernel.org Cc: Will Deacon , David Miller The arch_{spin,read,write}_relax macros are not used anywhere in the kernel and are typically just aliases for cpu_relax(). This patch removes the unused definitions for Sparc. Cc: David Miller Signed-off-by: Will Deacon --- arch/sparc/include/asm/spinlock_32.h | 4 ---- arch/sparc/include/asm/spinlock_64.h | 4 ---- 2 files changed, 8 deletions(-) diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h index bcc98fc..180c8f3 100644 --- a/arch/sparc/include/asm/spinlock_32.h +++ b/arch/sparc/include/asm/spinlock_32.h @@ -188,10 +188,6 @@ static inline int __arch_read_trylock(arch_rwlock_t *rw) #define arch_read_lock_flags(rw, flags) arch_read_lock(rw) #define arch_write_lock_flags(rw, flags) arch_write_lock(rw) -#define arch_spin_relax(lock) cpu_relax() -#define arch_read_relax(lock) cpu_relax() -#define arch_write_relax(lock) cpu_relax() - #define arch_read_can_lock(rw) (!((rw)->lock & 0xff)) #define arch_write_can_lock(rw) (!(rw)->lock) diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h index 9689176..f3b7a88 100644 --- a/arch/sparc/include/asm/spinlock_64.h +++ b/arch/sparc/include/asm/spinlock_64.h @@ -216,10 +216,6 @@ static int inline arch_write_trylock(arch_rwlock_t *lock) #define arch_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) #define arch_write_can_lock(rw) (!(rw)->lock) -#define arch_spin_relax(lock) cpu_relax() -#define arch_read_relax(lock) cpu_relax() -#define arch_write_relax(lock) cpu_relax() - #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC64_SPINLOCK_H) */ -- 1.8.2.2