linux-kernel - Re: [PATCH v9 0/2] Support TDX guests on Hyper-V (the x86/tdx part)

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Message-ID: <ZJx2cm1HaMEcNIYy@liuwe-devbox-debian-v2>
Date:   Wed, 28 Jun 2023 18:05:38 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     ak@...ux.intel.com, arnd@...db.de, bp@...en8.de,
        brijesh.singh@....com, dan.j.williams@...el.com,
        dave.hansen@...el.com, dave.hansen@...ux.intel.com,
        haiyangz@...rosoft.com, hpa@...or.com, jane.chu@...cle.com,
        kirill.shutemov@...ux.intel.com, kys@...rosoft.com,
        linux-arch@...r.kernel.org, linux-hyperv@...r.kernel.org,
        luto@...nel.org, mingo@...hat.com, peterz@...radead.org,
        rostedt@...dmis.org, sathyanarayanan.kuppuswamy@...ux.intel.com,
        seanjc@...gle.com, tglx@...utronix.de, tony.luck@...el.com,
        wei.liu@...nel.org, x86@...nel.org, mikelley@...rosoft.com,
        linux-kernel@...r.kernel.org, Tianyu.Lan@...rosoft.com,
        rick.p.edgecombe@...el.com
Subject: Re: [PATCH v9 0/2] Support TDX guests on Hyper-V (the x86/tdx part)

On Wed, Jun 21, 2023 at 12:13:15PM -0700, Dexuan Cui wrote:
> The two patches are based on today's tip.git's master branch.
> 
> Note: the two patches don't apply to the current x86/tdx branch, which
> doesn't have commit 75d090fd167a ("x86/tdx: Add unaccepted memory support").
> 
> As Dave suggested, I moved some local variables of tdx_map_gpa() to
> inside the loop. I added Sathyanarayanan's Reviewed-by.
> 
> Please review.
> 
> FWIW, the old versons are here:
> v8: https://lwn.net/ml/linux-kernel/20230620154830.25442-1-decui@microsoft.com/
> v7: https://lwn.net/ml/linux-kernel/20230616044701.15888-1-decui%40microsoft.com/
> v6: https://lwn.net/ml/linux-kernel/20230504225351.10765-1-decui@microsoft.com/
> 
> Dexuan Cui (2):
>   x86/tdx: Retry TDVMCALL_MAP_GPA() when needed
>   x86/tdx: Support vmalloc() for tdx_enc_status_changed()
> 
>  arch/x86/coco/tdx/tdx.c           | 87 ++++++++++++++++++++++++++-----
>  arch/x86/include/asm/shared/tdx.h |  2 +
>  2 files changed, 77 insertions(+), 12 deletions(-)

Dexuan, do you expect these to go through the Hyper-V tree?

Thanks,
Wei.

> 
> -- 
> 2.25.1
>