linux-kernel - [PATCH 61/98] powerpc/smp: Section mismatch from smp_release_cpus to __initdata spinning

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Message-Id: <1373552708-15235-62-git-send-email-luis.henriques@canonical.com>
Date:	Thu, 11 Jul 2013 15:24:31 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Chen Gang <gang.chen@...anux.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 61/98] powerpc/smp: Section mismatch from smp_release_cpus to __initdata spinning_secondaries

3.5.7.17 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chen Gang <gang.chen@...anux.com>

commit 8246aca7058f3f2c2ae503081777965cd8df7b90 upstream.

the smp_release_cpus is a normal funciton and called in normal environments,
  but it calls the __initdata spinning_secondaries.
  need modify spinning_secondaries to match smp_release_cpus.

the related warning:
  (the linker report boot_paca.33377, but it should be spinning_secondaries)

-----------------------------------------------------------------------------

WARNING: arch/powerpc/kernel/built-in.o(.text+0x23176): Section mismatch in reference from the function .smp_release_cpus() to the variable .init.data:boot_paca.33377
The function .smp_release_cpus() references
the variable __initdata boot_paca.33377.
This is often because .smp_release_cpus lacks a __initdata
annotation or the annotation of boot_paca.33377 is wrong.

WARNING: arch/powerpc/kernel/built-in.o(.text+0x231fe): Section mismatch in reference from the function .smp_release_cpus() to the variable .init.data:boot_paca.33377
The function .smp_release_cpus() references
the variable __initdata boot_paca.33377.
This is often because .smp_release_cpus lacks a __initdata
annotation or the annotation of boot_paca.33377 is wrong.

-----------------------------------------------------------------------------

Signed-off-by: Chen Gang <gang.chen@...anux.com>
Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 arch/powerpc/kernel/setup_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 389bd4f..5c9eccc 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -76,7 +76,7 @@
 #endif

 int boot_cpuid = 0;
-int __initdata spinning_secondaries;
+int spinning_secondaries;
 u64 ppc64_pft_size;

 /* Pick defaults since we might want to patch instructions
-- 
1.8.1.2

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