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

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Date:   Mon, 10 Jul 2023 17:20:32 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     Dexuan Cui <decui@...rosoft.com>, Wei Liu <wei.liu@...nel.org>,
        "dave.hansen@...el.com" <dave.hansen@...el.com>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>
CC:     "ak@...ux.intel.com" <ak@...ux.intel.com>,
        "arnd@...db.de" <arnd@...db.de>,
        "brijesh.singh@....com" <brijesh.singh@....com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "jane.chu@...cle.com" <jane.chu@...cle.com>,
        KY Srinivasan <kys@...rosoft.com>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "luto@...nel.org" <luto@...nel.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "rostedt@...dmis.org" <rostedt@...dmis.org>,
        "sathyanarayanan.kuppuswamy@...ux.intel.com" 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        "seanjc@...gle.com" <seanjc@...gle.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "Michael Kelley (LINUX)" <mikelley@...rosoft.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Tianyu Lan <Tianyu.Lan@...rosoft.com>,
        "rick.p.edgecombe@...el.com" <rick.p.edgecombe@...el.com>
Subject: RE: [PATCH v9 0/2] Support TDX guests on Hyper-V (the x86/tdx part)

> From: Dexuan Cui <decui@...rosoft.com>
> Sent: Wednesday, June 28, 2023 11:45 AM
> To: Wei Liu <wei.liu@...nel.org>
> ...
> > From: Wei Liu <wei.liu@...nel.org>
> > Sent: Wednesday, June 28, 2023 11:06 AM
> > To: Dexuan Cui <decui@...rosoft.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.
> > > ...
> > > Dexuan Cui (2):
> > >   x86/tdx: Retry TDVMCALL_MAP_GPA() when needed
> > >   x86/tdx: Support vmalloc() for tdx_enc_status_changed()
> > ...
> > Dexuan, do you expect these to go through the Hyper-V tree?
> >
> > Thanks,
> > Wei.
> 
> I suppose Dave and/or other x86 folks would like the 2 patches to go
> through the tip tree if the patches look good.
> 
> Hi Dave, any comments on the patches?

Hi Dave, would you please take a look at the 2 patches?

The patches have got Reviewed-by/Acked-by from Kirill, Sathyanarayanan
and Michael.
The patches can still apply cleanly on today's tip tree's master branch.
 
Thanks,
Dexuan