Re: [PATCH v3 5/6] fs/core/vmcore: Move sev_active() reference to x86 arch code

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Hello Lianbo,

lijiang <lijiang@xxxxxxxxxx> writes:

> 在 2019年07月19日 01:47, Lendacky, Thomas 写道:
>> On 7/17/19 10:28 PM, Thiago Jung Bauermann wrote:
>>> Secure Encrypted Virtualization is an x86-specific feature, so it shouldn't
>>> appear in generic kernel code because it forces non-x86 architectures to
>>> define the sev_active() function, which doesn't make a lot of sense.
>>>
>>> To solve this problem, add an x86 elfcorehdr_read() function to override
>>> the generic weak implementation. To do that, it's necessary to make
>>> read_from_oldmem() public so that it can be used outside of vmcore.c.
>>>
>>> Also, remove the export for sev_active() since it's only used in files that
>>> won't be built as modules.
>>>
>>> Signed-off-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx>
>> 
>> Adding Lianbo and Baoquan, who recently worked on this, for their review.
>> 
>
> This change looks good to me.
>
> Reviewed-by: Lianbo Jiang <lijiang@xxxxxxxxxx>

Thanks for your review!

-- 
Thiago Jung Bauermann
IBM Linux Technology Center




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