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From: tip-bot for Ingo Molnar <mingo@elte.hu>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
	torvalds@linux-foundation.org, brgerst@gmail.com, tj@kernel.org,
	tglx@linutronix.de, mingo@elte.hu
Subject: [tip:x86/urgent] percpu: Remove the multi-page alignment facility
Date: Wed, 27 Oct 2010 16:04:17 GMT	[thread overview]
Message-ID: <tip-47f19a0814e80e1d4e5c17d61b70fca85ea09162@git.kernel.org> (raw)
In-Reply-To: <1288158182-1753-1-git-send-email-brgerst@gmail.com>

Commit-ID:  47f19a0814e80e1d4e5c17d61b70fca85ea09162
Gitweb:     http://git.kernel.org/tip/47f19a0814e80e1d4e5c17d61b70fca85ea09162
Author:     Ingo Molnar <mingo@elte.hu>
AuthorDate: Wed, 27 Oct 2010 17:41:17 +0200
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 27 Oct 2010 17:53:25 +0200

percpu: Remove the multi-page alignment facility

[DECLARE|DEFINE]_PER_CPU_MULTIPAGE_ALIGNED never really worked because
the head percpu section was only page aligned. Now that the last user
is gone (32-bit IRQ stacks), remove the generic percpu facility.

Cc: Brian Gerst <brgerst@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <1288158182-1753-1-git-send-email-brgerst@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/percpu-defs.h |   12 ------------
 1 files changed, 0 insertions(+), 12 deletions(-)

diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index 018db9a..27ef6b1 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -148,18 +148,6 @@
 	DEFINE_PER_CPU_SECTION(type, name, "..readmostly")
 
 /*
- * Declaration/definition used for large per-CPU variables that must be
- * aligned to something larger than the pagesize.
- */
-#define DECLARE_PER_CPU_MULTIPAGE_ALIGNED(type, name, size)		\
-	DECLARE_PER_CPU_SECTION(type, name, "..page_aligned")		\
-	__aligned(size)
-
-#define DEFINE_PER_CPU_MULTIPAGE_ALIGNED(type, name, size)		\
-	DEFINE_PER_CPU_SECTION(type, name, "..page_aligned")		\
-	__aligned(size)
-
-/*
  * Intermodule exports for per-CPU variables.  sparse forgets about
  * address space across EXPORT_SYMBOL(), change EXPORT_SYMBOL() to
  * noop if __CHECKER__.

  parent reply	other threads:[~2010-10-27 16:05 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-25 22:41 [PATCH] MN10300: Fix the PERCPU() alignment to allow for workqueues David Howells
2010-10-26  9:10 ` Tejun Heo
2010-10-26 10:22 ` David Howells
2010-10-26 12:14   ` Tejun Heo
2010-10-26 12:27     ` Tejun Heo
2010-10-26 12:45       ` [PATCH] x86, percpu: revert commit fe8e0c25 Tejun Heo
2010-10-26 13:25         ` Ingo Molnar
2010-10-26 13:34           ` Tejun Heo
2010-10-26 13:49             ` Brian Gerst
2010-10-26 15:08               ` Linus Torvalds
2010-10-27  5:43                 ` [PATCH] x86-32: Allocate irq stacks seperate from percpu area Brian Gerst
2010-10-27  6:07                   ` Eric Dumazet
2010-10-27  9:57                     ` Peter Zijlstra
2010-10-27 13:33                       ` Eric Dumazet
2010-10-27 13:42                         ` Tejun Heo
2010-10-27 13:57                           ` Eric Dumazet
2010-10-27 14:00                             ` Tejun Heo
2010-10-27 14:24                               ` Eric Dumazet
2010-10-27 14:39                                 ` Tejun Heo
2010-10-27 14:39                                 ` Eric Dumazet
2010-10-27 14:43                                   ` Tejun Heo
2010-10-27 15:21                                     ` Eric Dumazet
2010-10-27 15:35                                       ` Tejun Heo
2010-10-27 16:07                                         ` Eric Dumazet
2010-10-27 17:33                                           ` [PATCH] numa: fix slab_node(MPOL_BIND) Eric Dumazet
2010-10-28 15:59                                             ` Linus Torvalds
2010-10-28 16:27                                               ` Eric Dumazet
2010-10-28 16:45                                               ` Mel Gorman
2010-10-28 16:55                                               ` Christoph Lameter
2010-10-28 21:07                                                 ` Andrew Morton
2010-10-29 14:55                                                   ` Christoph Lameter
2010-10-27 20:55                                         ` [PATCH] x86-32: Allocate irq stacks seperate from percpu area Eric Dumazet
2010-10-28 12:01                                           ` Tejun Heo
2010-10-28 12:30                                             ` Eric Dumazet
2010-10-28 14:40                       ` [PATCH] x86-32: NUMA irq stacks allocations Eric Dumazet
2010-10-29  6:43                         ` [tip:x86/urgent] x86-32: Restore irq stacks NUMA-aware allocations tip-bot for Eric Dumazet
2010-10-29 18:32                           ` Peter Zijlstra
2010-10-29 20:09                             ` Cyrill Gorcunov
2010-10-29 20:28                             ` Cyrill Gorcunov
2010-10-29 20:53                               ` Eric Dumazet
2010-10-29 20:59                                 ` Cyrill Gorcunov
2010-10-29 20:58                               ` Eric Dumazet
2010-10-29 21:21                                 ` Cyrill Gorcunov
2010-10-27 15:19                   ` [PATCH] x86-32: Allocate irq stacks seperate from percpu area Linus Torvalds
2010-10-27 15:30                     ` Ingo Molnar
2010-10-27 15:33                       ` Ingo Molnar
2010-10-27 15:40                         ` Tejun Heo
2010-10-27 15:43                           ` Ingo Molnar
2010-10-27 16:03                   ` [tip:x86/urgent] " tip-bot for Brian Gerst
2010-10-27 16:04                   ` tip-bot for Ingo Molnar [this message]
2010-10-26 14:06         ` [RFC PATCH] percpu: always align percpu output section to PAGE_SIZE Tejun Heo
2011-03-24  6:46           ` [Uclinux-dist-devel] " Mike Frysinger
2011-03-24  6:46             ` Mike Frysinger
2011-03-24  8:25             ` Tejun Heo
2011-03-24  8:25               ` Tejun Heo
2011-03-24  8:51               ` Tejun Heo
2011-03-24  8:51                 ` Tejun Heo
2011-03-24 13:46                 ` Mike Frysinger
2011-03-24 13:46                   ` Mike Frysinger
2011-03-24 17:51                   ` Tejun Heo
2011-03-24  8:54           ` [PATCH UPDATED] " Tejun Heo
2010-10-26 14:50   ` [PATCH] MN10300: Fix the PERCPU() alignment to allow for workqueues David Howells
2010-10-26 14:56     ` Tejun Heo

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