[PATCH v2 1/9] ARM: correct secondary_startup_arm mode
Yingjoe Chen
yingjoe.chen at mediatek.com
Sat May 16 00:58:22 PDT 2015
secondary_startup_arm is used as ARM mode secondary start up function
when ther kernel is compiled in THUMB mode, however the label itself
is still in .thumb mode. readelf shows:
160979: c020a581 120 FUNC GLOBAL DEFAULT 2 secondary_startup_arm
Make sure the label is in ARM mode as well.
Signed-off-by: Yingjoe Chen <yingjoe.chen at mediatek.com>
---
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 3637973..58ee8a2 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -346,8 +346,8 @@ __turn_mmu_on_loc:
#if defined(CONFIG_SMP)
.text
-ENTRY(secondary_startup_arm)
.arm
+ENTRY(secondary_startup_arm)
THUMB( adr r9, BSYM(1f) ) @ Kernel is entered in ARM.
THUMB( bx r9 ) @ If this is a Thumb-2 kernel,
THUMB( .thumb ) @ switch to Thumb now.
--
1.8.1.1.dirty
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