From: Uwe Kleine-König Date: Wed, 24 Sep 2014 07:51:57 +0000 (+0100) Subject: ARM: 8160/1: drop warning about return_address not using unwind tables X-Git-Tag: v3.18-rc1~137^2^4~2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e16343c47e42;p=karo-tx-linux.git ARM: 8160/1: drop warning about return_address not using unwind tables The warning was introduced in 2009 (commit 4bf1fa5a34aa ([ARM] 5613/1: implement CALLER_ADDRESSx)). The only "problem" here is that CALLER_ADDRESSx for x > 1 returns NULL which doesn't do much harm. The drawback of implementing a fix (i.e. use unwind tables to implement CALLER_ADDRESSx) is that much of the unwinder code would need to be marked as not traceable. Signed-off-by: Uwe Kleine-König Signed-off-by: Russell King --- diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c index f6aa84d5b93c..98ea4b7eb406 100644 --- a/arch/arm/kernel/return_address.c +++ b/arch/arm/kernel/return_address.c @@ -59,10 +59,6 @@ void *return_address(unsigned int level) #else /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) */ -#if defined(CONFIG_ARM_UNWIND) -#warning "TODO: return_address should use unwind tables" -#endif - #endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) / else */ EXPORT_SYMBOL_GPL(return_address);