On 03/07/12 03:22, Russell King - ARM Linux wrote:
On Wed, Mar 07, 2012 at 02:36:52AM -0800, Kukjin Kim wrote:
WARNING: arch/arm/mach-s3c24xx/built-in.o(.data+0xf44): Section mismatch in reference
from the variable s3c2416_irq_interface to the function .init.text:s3c2416_irq_add()
The variable s3c2416_irq_interface references
the function __init s3c2416_irq_add()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
WARNING: arch/arm/mach-s3c24xx/built-in.o(.data+0x1b80): Section mismatch in reference
from the variable s3c2443_irq_interface to the function .init.text:s3c2443_irq_add()
The variable s3c2443_irq_interface references
the function __init s3c2443_irq_add()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
diff --git a/arch/arm/mach-s3c24xx/irq-s3c2416.c b/arch/arm/mach-s3c24xx/irq-s3c2416.c
index b8a5836..59b7632 100644
--- a/arch/arm/mach-s3c24xx/irq-s3c2416.c
+++ b/arch/arm/mach-s3c24xx/irq-s3c2416.c
@@ -310,7 +310,7 @@ static int __init s3c2416_irq_add(struct device *dev)
return 0;
}
-static struct subsys_interface s3c2416_irq_interface = {
+static struct subsys_interface s3c2416_irq_interface __initdata = {
.name = "s3c2416_irq",
.subsys =&s3c2416_subsys,
.add_dev = s3c2416_irq_add,
diff --git a/arch/arm/mach-s3c24xx/irq-s3c2443.c b/arch/arm/mach-s3c24xx/irq-s3c2443.c
index 35e4ff2..439f186 100644
--- a/arch/arm/mach-s3c24xx/irq-s3c2443.c
+++ b/arch/arm/mach-s3c24xx/irq-s3c2443.c
@@ -265,7 +265,7 @@ static int __init s3c2443_irq_add(struct device *dev)
return 0;
}
-static struct subsys_interface s3c2443_irq_interface = {
+static struct subsys_interface s3c2443_irq_interface __initdata = {
.name = "s3c2443_irq",
.subsys =&s3c2443_subsys,
.add_dev = s3c2443_irq_add,
You register these structures with some other bit of code. That other
bit of code adds these structures to a list. You then mark them as
__initdata, which means they get freed and the memory reused. That
corrupts the list beneath the other code.
So, clearly, both of these are wrong.
Oops, I see. Let me check it again.
Thanks for pointing out.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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