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Re: [PATCH] x86/mem_sharing: Fix build folloing VM Fork work



On 09/04/2020 22:24, Tamas K Lengyel wrote:
> On Thu, Apr 9, 2020 at 2:48 PM Andrew Cooper <andrew.cooper3@xxxxxxxxxx> 
> wrote:
>> A default build fails with:
>>
>>   mem_sharing.c: In function ‘copy_special_pages’:
>>   mem_sharing.c:1649:9: error: ‘HVM_PARAM_STORE_PFN’ undeclared (first use 
>> in this function)
>>            HVM_PARAM_STORE_PFN,
>>            ^~~~~~~~~~~~~~~~~~~
>>
>> I suspect this is a rebasing issue with respect to c/s 12f0c69f2709 "x86/HVM:
>> reduce hvm.h include dependencies".
>>
>> Fixes: 41548c5472a "mem_sharing: VM forking"
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> So staging definitely compiles for me both with and without
> CONFIG_MEM_SHARING enabled. By default its off, so this shouldn't even
> be compiled so I'm curious what's happening in your build. That said,
> I have no objection to the extra include if it turns out to be
> actually necessary.

Exact config attached.  I've just double checked that staging fails.

We should get  to the bottom of exactly what is going on here, if it
isn't the obvious thing.

~Andrew

Attachment: .config-debug
Description: Text document


 


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