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Date: Wed, 3 Nov 2021 15:27:23 +0100
From: Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH v2 03/12] x86/sev: Save and print negotiated GHCB
 protocol version
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To: Joerg Roedel <joro@8bytes.org>
Cc: x86@kernel.org, Eric Biederman <ebiederm@xmission.com>, kexec@lists.infradead.org, Joerg Roedel <jroedel@suse.de>, hpa@zytor.com, Andy Lutomirski <luto@kernel.org>, Dave Hansen <dave.hansen@linux.intel.com>, Peter Zijlstra <peterz@infradead.org>, Jiri Slaby <jslaby@suse.cz>, Dan Williams <dan.j.williams@intel.com>, Tom Lendacky <thomas.lendacky@amd.com>, Juergen Gross <jgross@suse.com>, Kees Cook <keescook@chromium.org>, David Rientjes <rientjes@google.com>, Cfir Cohen <cfir@google.com>, Erdem Aktas <erdemaktas@google.com>, Masami Hiramatsu <mhiramat@kernel.org>, Mike Stunes <mstunes@vmware.com>, Sean Christopherson <seanjc@google.com>, Martin Radev <martin.b.radev@gmail.com>, Arvind Sankar <nivedita@alum.mit.edu>, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org

On Mon, Sep 13, 2021 at 05:55:54PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
> 
> Save the results of the GHCB protocol negotiation into a data structure
> and print information about versions supported and used to the kernel
> log.

Which is useful for?

> +/*
> + * struct sev_ghcb_protocol_info - Used to return GHCB protocol
> + *				   negotiation details.
> + *
> + * @hv_proto_min:	Minimum GHCB protocol version supported by Hypervisor
> + * @hv_proto_max:	Maximum GHCB protocol version supported by Hypervisor
> + * @vm_proto:		Protocol version the VM (this kernel) will use
> + */
> +struct sev_ghcb_protocol_info {

Too long a name - ghcb_info is perfectly fine.

-- 
Regards/Gruss,
    Boris.

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

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