From: Peter Zijlstra <peterz@infradead.org>
To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org,
mingo@kernel.org, will.deacon@arm.com,
paulmck@linux.vnet.ibm.com, Peter Zijlstra <peterz@infradead.org>
Subject: [PATCH 02/31] arc,hexagon: Delete asm/barrier.h
Date: Wed, 19 Mar 2014 07:47:31 +0100 [thread overview]
Message-ID: <20140319065203.890725970@infradead.org> (raw)
In-Reply-To: 20140319064729.660482086@infradead.org
[-- Attachment #1: peterz-kill-arc-hexagon-barrier.patch --]
[-- Type: text/plain, Size: 2898 bytes --]
Both already use asm-generic/barrier.h as per their
include/asm/Kbuild. Remove the stale files.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
---
arch/arc/include/asm/barrier.h | 37 -------------------------------------
arch/hexagon/include/asm/barrier.h | 37 -------------------------------------
2 files changed, 74 deletions(-)
--- a/arch/arc/include/asm/barrier.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_BARRIER_H
-#define __ASM_BARRIER_H
-
-#ifndef __ASSEMBLY__
-
-/* TODO-vineetg: Need to see what this does, don't we need sync anywhere */
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-#define rmb() mb()
-#define wmb() mb()
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-#define read_barrier_depends() mb()
-
-/* TODO-vineetg verify the correctness of macros here */
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#endif
-
-#define smp_read_barrier_depends() do { } while (0)
-
-#endif
-
-#endif
--- a/arch/hexagon/include/asm/barrier.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Memory barrier definitions for the Hexagon architecture
- *
- * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#ifndef _ASM_BARRIER_H
-#define _ASM_BARRIER_H
-
-#define rmb() barrier()
-#define read_barrier_depends() barrier()
-#define wmb() barrier()
-#define mb() barrier()
-#define smp_rmb() barrier()
-#define smp_read_barrier_depends() barrier()
-#define smp_wmb() barrier()
-#define smp_mb() barrier()
-
-/* Set a value and use a memory barrier. Used by the scheduler somewhere. */
-#define set_mb(var, value) \
- do { var = value; mb(); } while (0)
-
-#endif /* _ASM_BARRIER_H */
next prev parent reply other threads:[~2014-03-19 6:47 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-19 6:47 [PATCH 00/31] Clean up smp_mb__ barriers Peter Zijlstra
2014-03-19 6:47 ` [PATCH 01/31] ia64: Fix up smp_mb__{before,after}_clear_bit Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra [this message]
2014-03-19 6:47 ` [PATCH 02/31] arc,hexagon: Delete asm/barrier.h Peter Zijlstra
2014-03-19 6:47 ` [PATCH 03/31] arch: Prepare for smp_mb__{before,after}_atomic() Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 04/31] arch,alpha: Convert smp_mb__* Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 05/31] arch,arc: " Peter Zijlstra
2014-03-19 6:47 ` [PATCH 06/31] arch,arm: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-04-14 16:19 ` Will Deacon
2014-04-14 16:19 ` Will Deacon
2014-03-19 6:47 ` [PATCH 07/31] arch,arm64: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-21 11:54 ` Catalin Marinas
2014-03-19 6:47 ` [PATCH 08/31] arch,avr32: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 09/31] arch,blackfin: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 10/31] arch,c6x: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-04-09 15:35 ` Mark Salter
2014-04-09 15:35 ` Mark Salter
2014-03-19 6:47 ` [PATCH 11/31] arch,cris: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-20 11:11 ` Jesper Nilsson
2014-03-20 11:11 ` Jesper Nilsson
2014-03-19 6:47 ` [PATCH 12/31] arch,frv: " Peter Zijlstra
2014-03-19 6:47 ` [PATCH 13/31] arch,hexagon: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 14/31] arch,ia64: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 15/31] arch,m32r: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 16/31] arch,m68k: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 17/31] arch,metag: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 18/31] arch,mips: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 19/31] arch,mn10300: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 20/31] arch,openrisc: " Peter Zijlstra
2014-03-19 6:47 ` [PATCH 21/31] arch,parisc: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 22/31] arch,powerpc: " Peter Zijlstra
2014-03-19 6:47 ` [PATCH 23/31] arch,s390: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 13:50 ` Heiko Carstens
2014-03-19 6:47 ` [PATCH 24/31] arch,score: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 18:53 ` Lennox Wu
2014-03-19 6:47 ` [PATCH 25/31] arch,sh: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 26/31] arch,sparc: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 17:54 ` David Miller
2014-03-19 6:47 ` [PATCH 27/31] arch,tile: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 17:49 ` Chris Metcalf
2014-03-19 17:49 ` Chris Metcalf
2014-03-19 6:47 ` [PATCH 28/31] arch, x86: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 29/31] arch,xtensa: " Peter Zijlstra
2014-03-19 13:11 ` Max Filippov
2014-03-19 13:11 ` Max Filippov
2014-03-19 13:30 ` Peter Zijlstra
2014-03-19 13:30 ` Peter Zijlstra
2014-03-19 6:47 ` [PATCH 30/31] arch,doc: " Peter Zijlstra
2014-03-19 6:47 ` Peter Zijlstra
2014-03-19 17:15 ` Paul E. McKenney
2014-03-19 6:48 ` [PATCH 31/31] arch: Mass conversion of smp_mb__* Peter Zijlstra
2014-03-19 6:48 ` Peter Zijlstra
2014-03-19 9:55 ` [PATCH 00/31] Clean up smp_mb__ barriers David Howells
2014-03-19 9:58 ` Peter Zijlstra
2014-03-19 10:07 ` David Howells
2014-03-19 17:36 ` [PATCH 30/31] arch,doc: Convert smp_mb__* David Howells
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140319065203.890725970@infradead.org \
--to=peterz@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=paulmck@linux.vnet.ibm.com \
--cc=torvalds@linux-foundation.org \
--cc=will.deacon@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).