Re: [PATCH Part2 v5 04/45] x86/sev: Add RMP entry lookup helpers

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To: Brijesh Singh <brijesh.singh@xxxxxxx>
Subject: Re: [PATCH Part2 v5 04/45] x86/sev: Add RMP entry lookup helpers
From: Borislav Petkov <bp@xxxxxxxxx>
Date: Wed, 29 Sep 2021 14:56:46 +0200
Cc: x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-coco@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Joerg Roedel <jroedel@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Sergio Lopez <slp@xxxxxxxxxx>, Peter Gonda <pgonda@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Dov Murik <dovmurik@xxxxxxxxxxxxx>, Tobin Feldman-Fitzthum <tobin@xxxxxxx>, Michael Roth <michael.roth@xxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, "Kirill A . Shutemov" <kirill@xxxxxxxxxxxxx>, Andi Kleen <ak@xxxxxxxxxxxxxxx>, tony.luck@xxxxxxxxx, marcorr@xxxxxxxxxx, sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx
In-reply-to: <2041d0d2-a0f8-d063-13c0-79b5bbcc8b83@amd.com>
References: <20210820155918.7518-1-brijesh.singh@amd.com> <20210820155918.7518-5-brijesh.singh@amd.com> <YU2fQMgw+PIBzSE4@zn.tnic> <a5be6103-f643-fed2-b01a-d0310f447d7a@amd.com> <2041d0d2-a0f8-d063-13c0-79b5bbcc8b83@amd.com>

On Mon, Sep 27, 2021 at 11:04:04AM -0500, Brijesh Singh wrote:
> Currently, we have only x86 drivers using it, are you thinking to move
> this to arch/x86/include/asm/ ?

arch/x86/include/asm/sev.h, yap.

We can always create it later if needed by other architectures.

Thx.

-- 
Regards/Gruss,
    Boris.

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

References:
- [PATCH Part2 v5 00/45] Add AMD Secure Nested Paging (SEV-SNP) Hypervisor Support
  - From: Brijesh Singh
- [PATCH Part2 v5 04/45] x86/sev: Add RMP entry lookup helpers
  - From: Brijesh Singh
- Re: [PATCH Part2 v5 04/45] x86/sev: Add RMP entry lookup helpers
  - From: Borislav Petkov
- Re: [PATCH Part2 v5 04/45] x86/sev: Add RMP entry lookup helpers
  - From: Brijesh Singh
- Re: [PATCH Part2 v5 04/45] x86/sev: Add RMP entry lookup helpers
  - From: Brijesh Singh

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