Re: [PATCH v6 1/5] x86/kvm: Add AMD SEV specific Hypercall3

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On Tue, Sep 28, 2021 at 07:26:32PM +0000, Kalra, Ashish wrote:
> Yes that’s what I mentioned to Boris.

Right, and as far as I'm concerned, the x86 bits look ok to me and I'm
fine with this going through the kvm tree.

There will be a conflict with this:

https://lkml.kernel.org/r/20210928191009.32551-1-bp@xxxxxxxxx

resulting in:

arch/x86/kernel/kvm.c: In function ‘setup_efi_kvm_sev_migration’:
arch/x86/kernel/kvm.c:563:7: error: implicit declaration of function ‘sev_active’; did you mean ‘cpu_active’? [-Werror=implicit-function-declaration]
  563 |  if (!sev_active() ||
      |       ^~~~~~~~~~
      |       cpu_active
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:277: arch/x86/kernel/kvm.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [scripts/Makefile.build:540: arch/x86/kernel] Error 2
make: *** [Makefile:1868: arch/x86] Error 2
make: *** Waiting for unfinished jobs....

but Paolo and I will figure out what to do - I'll likely have a separate
branch out which he can merge and that sev_active() will need to be
converted to

	if (!cc_platform_has(CC_ATTR_GUEST_MEM_ENCRYPT))

which is trivial.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette



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