From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: [PATCH v3 09/19] locking/barriers: Remove definitions for [smp_]read_barrier_depends() Date: Fri, 10 Jul 2020 17:51:53 +0100 Message-ID: <20200710165203.31284-10-will@kernel.org> References: <20200710165203.31284-1-will@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594399968; bh=33ol2wfww+buJMx3tza0CIjhnMXSbv1JPshM2dQmTHE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zmm4Beup9Cb/cXcX+cFkF3Ys9o4W8ykaffV0B1ywu2WmWxk2m0L6n/aOe+2s19P/P KJasSyR2/jQmcHBESwcpm08rw7T3YJ5j1W4OqQj5YlZyMPBPd5Dm5HQf5idVyVBFJY 6Px+iT08RxLqWmpNFon2pEOMv6R7ANj0ReBB6LnI= In-Reply-To: <20200710165203.31284-1-will@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" To: linux-kernel@vger.kernel.org Cc: Joel Fernandes , Mark Rutland , "Michael S. Tsirkin" , Peter Zijlstra , Catalin Marinas , virtualization@lists.linux-foundation.org, Will Deacon , Arnd Bergmann , Alan Stern , Sami Tolvanen , Matt Turner , kernel-team@android.com, Marco Elver , Kees Cook , "Paul E. McKenney" , Boqun Feng , Ivan Kokshaysky , linux-arm-kernel@lists.infradead.org, Richard Henderson , Nick Desaulniers , linux-alpha@vger.kernel.org There are no remaining users of [smp_]read_barrier_depends(), so remove it from the generic implementation of 'barrier.h'. Acked-by: Paul E. McKenney Signed-off-by: Will Deacon --- include/asm-generic/barrier.h | 17 ----------------- 1 file changed, 17 deletions(-) diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h index 8116744bb82c..fec97dc34de7 100644 --- a/include/asm-generic/barrier.h +++ b/include/asm-generic/barrier.h @@ -46,10 +46,6 @@ #define dma_wmb() wmb() #endif -#ifndef read_barrier_depends -#define read_barrier_depends() do { } while (0) -#endif - #ifndef __smp_mb #define __smp_mb() mb() #endif @@ -62,10 +58,6 @@ #define __smp_wmb() wmb() #endif -#ifndef __smp_read_barrier_depends -#define __smp_read_barrier_depends() read_barrier_depends() -#endif - #ifdef CONFIG_SMP #ifndef smp_mb @@ -80,10 +72,6 @@ #define smp_wmb() __smp_wmb() #endif -#ifndef smp_read_barrier_depends -#define smp_read_barrier_depends() __smp_read_barrier_depends() -#endif - #else /* !CONFIG_SMP */ #ifndef smp_mb @@ -98,10 +86,6 @@ #define smp_wmb() barrier() #endif -#ifndef smp_read_barrier_depends -#define smp_read_barrier_depends() do { } while (0) -#endif - #endif /* CONFIG_SMP */ #ifndef __smp_store_mb @@ -196,7 +180,6 @@ do { \ #define virt_mb() __smp_mb() #define virt_rmb() __smp_rmb() #define virt_wmb() __smp_wmb() -#define virt_read_barrier_depends() __smp_read_barrier_depends() #define virt_store_mb(var, value) __smp_store_mb(var, value) #define virt_mb__before_atomic() __smp_mb__before_atomic() #define virt_mb__after_atomic() __smp_mb__after_atomic() -- 2.27.0.383.g050319c2ae-goog