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Re: [Xen-devel] [PATCH] coverage: GCC coverage libfdt Makefile fix
- To: Wei Liu <wei.liu2@xxxxxxxxxx>, Viktor Mitin <viktor.mitin.19@xxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Thu, 16 May 2019 12:30:25 +0100
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Julien Grall <julien.grall@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Thu, 16 May 2019 11:30:43 +0000
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On 16/05/2019 12:26, Wei Liu wrote:
> On Thu, May 16, 2019 at 02:13:54PM +0300, Viktor Mitin wrote:
>> The patch resolves 'xencov' crashes in case of Aarch64.
>>
>> All the .init.* sections are stripped after boot,
>> it means that anything in .init.data cannot be accessed anymore.
>> The build system explicitly compiles any .init binary without gcov option.
>> The problem is coming from libfdt.
>> The entire library is moved to .init using:
>> $(OBJCOPY) $(foreach s,$(SECTIONS),--rename-section .$(s)=.init.$(s)) $< $@
>> So we need to tell the top Makefile to filter out libfdt.
>>
>> Reported-by: Viktor Mitin <viktor.mitin.19@xxxxxxxxx>
>> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
>> Tested-by: Viktor Mitin <viktor.mitin.19@xxxxxxxxx>
> Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
>
> Although I would like to ask you to adjust the subject to be more
> specific:
>
> coverage: filter out libfdt.o
>
> if you agree, this can be done while committing.
+1
Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
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