linux-kernel - [tip:perf/urgent] oprofile, arm/sh: Fix oprofile_arch

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Date:	Fri, 23 Dec 2011 05:19:15 -0800
From:	tip-bot for Vladimir Zapolskiy <vladimir.zapolskiy@...ia.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	vladimir.zapolskiy@...ia.com, will.deacon@....com,
	robert.richter@....com, oprofile-list@...ts.sourceforge.net,
	stable@...nel.org, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/urgent] oprofile, arm/sh: Fix oprofile_arch_exit()
  linkage issue

Commit-ID:  55205c916e179e09773d98d290334d319f45ac6b
Gitweb:     http://git.kernel.org/tip/55205c916e179e09773d98d290334d319f45ac6b
Author:     Vladimir Zapolskiy <vladimir.zapolskiy@...ia.com>
AuthorDate: Thu, 22 Dec 2011 16:15:40 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 23 Dec 2011 11:58:34 +0100

oprofile, arm/sh: Fix oprofile_arch_exit() linkage issue

This change fixes a linking problem, which happens if oprofile
is selected to be compiled as built-in:

  `oprofile_arch_exit' referenced in section `.init.text' of
  arch/arm/oprofile/built-in.o: defined in discarded section
  `.exit.text' of arch/arm/oprofile/built-in.o

The problem is appeared after commit 87121ca504, which
introduced oprofile_arch_exit() calls from __init function. Note
that the aforementioned commit has been backported to stable
branches, and the problem is known to be reproduced at least
with 3.0.13 and 3.1.5 kernels.

Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@...ia.com>
Signed-off-by: Robert Richter <robert.richter@....com>
Cc: Will Deacon <will.deacon@....com>
Cc: oprofile-list <oprofile-list@...ts.sourceforge.net>
Cc: <stable@...nel.org>
Link: http://lkml.kernel.org/r/20111222151540.GB16765@erda.amd.com
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/arm/oprofile/common.c |    2 +-
 arch/sh/oprofile/common.c  |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index c074e66..4e0a371 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -116,7 +116,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	return oprofile_perf_init(ops);
 }
 
-void __exit oprofile_arch_exit(void)
+void oprofile_arch_exit(void)
 {
 	oprofile_perf_exit();
 }
diff --git a/arch/sh/oprofile/common.c b/arch/sh/oprofile/common.c
index b4c2d2b..e4dd5d5 100644
--- a/arch/sh/oprofile/common.c
+++ b/arch/sh/oprofile/common.c
@@ -49,7 +49,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	return oprofile_perf_init(ops);
 }
 
-void __exit oprofile_arch_exit(void)
+void oprofile_arch_exit(void)
 {
 	oprofile_perf_exit();
 	kfree(sh_pmu_op_name);
@@ -60,5 +60,5 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	ops->backtrace = sh_backtrace;
 	return -ENODEV;
 }
-void __exit oprofile_arch_exit(void) {}
+void oprofile_arch_exit(void) {}
 #endif /* CONFIG_HW_PERF_EVENTS */
--
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