From: robherring2@gmail.com (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: move __fixup_smp out of init section
Date: Tue, 25 Feb 2014 12:16:33 -0600 [thread overview]
Message-ID: <1393352193-31717-1-git-send-email-robherring2@gmail.com> (raw)
From: Rob Herring <robh@kernel.org>
With large kernel builds such as allyesconfig exceeding maximum relative
branch offsets, the init section will be too far away to branch to
directly. This causes veneers to be added by the compiler, but veneers
don't work before the MMU is enabled. Fix this by moving __fixup_smp to
the .head.text section as it is not very big.
Signed-off-by: Rob Herring <robh@kernel.org>
---
arch/arm/kernel/head.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 914616e..78e1443 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -475,7 +475,7 @@ ENDPROC(__turn_mmu_on)
#ifdef CONFIG_SMP_ON_UP
- __INIT
+ __HEAD
__fixup_smp:
and r3, r9, #0x000f0000 @ architecture version
teq r3, #0x000f0000 @ CPU ID supported?
--
1.8.3.2
next reply other threads:[~2014-02-25 18:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-25 18:16 Rob Herring [this message]
2014-02-25 18:32 ` [PATCH] ARM: move __fixup_smp out of init section Arnd Bergmann
2014-02-25 21:05 ` Rob Herring
2014-02-25 21:10 ` Arnd Bergmann
2014-02-25 21:46 ` Rob Herring
2014-02-25 21:56 ` Arnd Bergmann
2014-02-26 12:24 ` Russell King - ARM Linux
2014-02-26 20:56 ` Rob Herring
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