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

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Message-ID: <SA1PR21MB133517262C2D1DFB881BE8B2BF24A@SA1PR21MB1335.namprd21.prod.outlook.com>
Date:   Wed, 28 Jun 2023 18:45:28 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     Wei Liu <wei.liu@...nel.org>
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Subject: RE: [PATCH v9 0/2] Support TDX guests on Hyper-V (the x86/tdx part)

> 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()
> >
> >  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.

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?

Thanks,
Dexuan