netdev - Re: [PATCH v6 00/13] Add PCI pass-thru support to Hyper-V Confidential VMs

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Message-ID: <20230320112713.GDZBhDESaTus4AR3SJ@fat_crate.local>
Date:   Mon, 20 Mar 2023 12:27:13 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     hpa@...or.com, kys@...rosoft.com, haiyangz@...rosoft.com,
        wei.liu@...nel.org, decui@...rosoft.com, luto@...nel.org,
        peterz@...radead.org, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, lpieralisi@...nel.org,
        robh@...nel.org, kw@...ux.com, bhelgaas@...gle.com, arnd@...db.de,
        hch@....de, m.szyprowski@...sung.com, robin.murphy@....com,
        thomas.lendacky@....com, brijesh.singh@....com, tglx@...utronix.de,
        mingo@...hat.com, dave.hansen@...ux.intel.com,
        Tianyu.Lan@...rosoft.com, kirill.shutemov@...ux.intel.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com, ak@...ux.intel.com,
        isaku.yamahata@...el.com, dan.j.williams@...el.com,
        jane.chu@...cle.com, seanjc@...gle.com, tony.luck@...el.com,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        linux-hyperv@...r.kernel.org, netdev@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-arch@...r.kernel.org,
        iommu@...ts.linux.dev
Subject: Re: [PATCH v6 00/13] Add PCI pass-thru support to Hyper-V
 Confidential VMs

On Wed, Mar 08, 2023 at 06:40:01PM -0800, Michael Kelley wrote:
>  arch/x86/coco/core.c                |  42 +++++--
>  arch/x86/hyperv/hv_init.c           |  18 +--
>  arch/x86/hyperv/ivm.c               | 148 +++++++++++++----------
>  arch/x86/include/asm/coco.h         |   1 -
>  arch/x86/include/asm/hyperv-tlfs.h  |   3 +
>  arch/x86/include/asm/mshyperv.h     |  16 ++-
>  arch/x86/include/asm/x86_init.h     |   4 +
>  arch/x86/kernel/apic/io_apic.c      |  16 ++-
>  arch/x86/kernel/cpu/mshyperv.c      |  22 ++--
>  arch/x86/kernel/x86_init.c          |   2 +
>  arch/x86/mm/ioremap.c               |   5 +
>  arch/x86/mm/mem_encrypt_amd.c       |  10 +-
>  arch/x86/mm/pat/set_memory.c        |   3 -

...

>  29 files changed, 440 insertions(+), 439 deletions(-)

The x86 bits look pretty much ready modulo some uncertainties in patch 6.

When this has all been clarified I'm thinking of taking patches

1-2,4-6

through tip and giving an immutable branch to HyperV maintainers to base
the rest ontop...

Thx.

-- 
Regards/Gruss,
    Boris.

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