On Mon, Mar 25, 2019 at 09:58:07AM +0800, lijiang wrote:
> For the SEV virtual machine, it maps the kexec memroy area as
> encrypted, so, no need to invoke this function to change anything.

Look at the code:

set_memory_decrypted->__set_memory_enc_dec

It already *does* invoke this function.

> >     if (!mem_encrypt_active())
> > 
> > and heads will spin from all the checking of memory encryption aspects.
> > 
> > So this would need a rework so that there are no multiple confusing
> > checks.
> 
> About the three functions, here i copied their comment from the 
> arch/x86/mm/mem_encrypt.c
> Please refer to it.

I know that comment - I have asked for it. Now you go and look at the
code again with your patch applied.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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