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__.
next prev parent reply other threads:[~2010-10-27 16:05 UTC|newest]
Thread overview: 59+ 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 8:25 ` Tejun Heo
2011-03-24 8:51 ` Tejun Heo
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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