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Date: Wed, 16 Jun 2021 12:21:29 +0200
From: Borislav Petkov <bp@alien8.de>
To: Brijesh Singh <brijesh.singh@amd.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org,
	linux-coco@lists.linux.dev, linux-mm@kvack.org,
	linux-crypto@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Joerg Roedel <jroedel@suse.de>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Ard Biesheuvel <ardb@kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>,
	Andy Lutomirski <luto@kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Sergio Lopez <slp@redhat.com>, Peter Gonda <pgonda@google.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
	David Rientjes <rientjes@google.com>, tony.luck@intel.com,
	npmccallum@redhat.com
Subject: Re: [PATCH Part1 RFC v3 08/22] x86/compressed: Add helper for
 validating pages in the decompression stage
Message-ID: <YMnQqRSjwc3VIBQm@zn.tnic>
References: <20210602140416.23573-1-brijesh.singh@amd.com>
 <20210602140416.23573-9-brijesh.singh@amd.com>
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In-Reply-To: <20210602140416.23573-9-brijesh.singh@amd.com>

On Wed, Jun 02, 2021 at 09:04:02AM -0500, Brijesh Singh wrote:
> diff --git a/arch/x86/include/asm/sev-common.h b/arch/x86/include/asm/sev-common.h
> index 3ebf00772f26..1424b8ffde0b 100644
> --- a/arch/x86/include/asm/sev-common.h
> +++ b/arch/x86/include/asm/sev-common.h
> @@ -56,6 +56,25 @@
>  #define GHCB_MSR_HV_FT_RESP_VAL(v)	\
>  	(((unsigned long)((v) & GHCB_MSR_HV_FT_MASK) >> GHCB_MSR_HV_FT_POS))
>  
> +#define GHCB_HV_FT_SNP			BIT_ULL(0)

That define is already added by

x86/sev: Check SEV-SNP features support

earlier.

-- 
Regards/Gruss,
    Boris.

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