From: Satyam Sharma <[email protected]>
Fix bugzilla #8679
WARNING: arch/i386/kernel/built-in.o(.data+0x2148): Section mismatch: reference
to .init.text: (between 'thermal_throttle_cpu_notifier' and 'mtrr_mutex')
comes because struct notifier_block thermal_throttle_cpu_notifier in
arch/i386/kernel/cpu/mcheck/therm_throt.c goes in .data section but the
notifier callback function itself has been marked __cpuinit which becomes
__init == .init.text when HOTPLUG_CPU=n. The warning is bogus because the
callback will never be called out if HOTPLUG_CPU=n in the first place (as
one can see from kernel/cpu.c, the cpu_chain itself is __cpuinitdata :-)
So, let's mark thermal_throttle_cpu_notifier as __cpuinitdata to fix
the section mismatch warning.
Signed-off-by: Satyam Sharma <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
---
arch/i386/kernel/cpu/mcheck/therm_throt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/i386/kernel/cpu/mcheck/therm_throt.c
===================================================================
--- linux.orig/arch/i386/kernel/cpu/mcheck/therm_throt.c
+++ linux/arch/i386/kernel/cpu/mcheck/therm_throt.c
@@ -152,7 +152,7 @@ static __cpuinit int thermal_throttle_cp
return NOTIFY_OK;
}
-static struct notifier_block thermal_throttle_cpu_notifier =
+static struct notifier_block thermal_throttle_cpu_notifier __cpuinitdata =
{
.notifier_call = thermal_throttle_cpu_callback,
};
-
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