Re: [PATCH 01/11] Initialize the mapping of KASan shadow memory

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2017.10.12  05:42 AM  Russell King - ARM Linux [mailto:linux@xxxxxxxxxxxxxxx] wrote:

>> Please don't make this "exclusive" just conditionally call 
>> kasan_early_init(), remove the call to start_kernel from 
>> kasan_early_init and keep the call to start_kernel here.
>iow:
>
>#ifdef CONFIG_KASAN
>	bl	kasan_early_init
>#endif
>	b	start_kernel
>
>This has the advantage that we don't leave any stack frame from
>kasan_early_init() on the init task stack.

Thanks for your review.  I tested your opinion and it work well.
I agree with you that it is better to use follow code
#ifdef CONFIG_KASAN
	bl	kasan_early_init
#endif
	b	start_kernel

than :
#ifdef CONFIG_KASAN
	bl	kasan_early_init
#else
	b	start_kernel
#endif




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