linux-kernel - Re: [PATCH RFC v7 00/64] Add AMD Secure Nested Paging (SEV-SNP) Hypervisor Support

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Message-ID: <20230104172105.tke5opbywcgq2fzl@amd.com>
Date:   Wed, 4 Jan 2023 11:21:05 -0600
From:   Michael Roth <michael.roth@....com>
To:     Borislav Petkov <bp@...en8.de>
CC:     <kvm@...r.kernel.org>, <linux-coco@...ts.linux.dev>,
        <linux-mm@...ck.org>, <linux-crypto@...r.kernel.org>,
        <x86@...nel.org>, <linux-kernel@...r.kernel.org>,
        <tglx@...utronix.de>, <mingo@...hat.com>, <jroedel@...e.de>,
        <thomas.lendacky@....com>, <hpa@...or.com>, <ardb@...nel.org>,
        <pbonzini@...hat.com>, <seanjc@...gle.com>, <vkuznets@...hat.com>,
        <wanpengli@...cent.com>, <jmattson@...gle.com>, <luto@...nel.org>,
        <dave.hansen@...ux.intel.com>, <slp@...hat.com>,
        <pgonda@...gle.com>, <peterz@...radead.org>,
        <srinivas.pandruvada@...ux.intel.com>, <rientjes@...gle.com>,
        <dovmurik@...ux.ibm.com>, <tobin@....com>, <vbabka@...e.cz>,
        <kirill@...temov.name>, <ak@...ux.intel.com>,
        <tony.luck@...el.com>, <marcorr@...gle.com>,
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        <alpergun@...gle.com>, <dgilbert@...hat.com>, <jarkko@...nel.org>,
        <ashish.kalra@....com>, <harald@...fian.com>
Subject: Re: [PATCH RFC v7 00/64] Add AMD Secure Nested Paging (SEV-SNP)
 Hypervisor Support

On Fri, Dec 23, 2022 at 09:33:16PM +0100, Borislav Petkov wrote:
> On Wed, Dec 14, 2022 at 01:39:52PM -0600, Michael Roth wrote:
> > This patchset is based on top of the following patchset:
> > 
> >   "[PATCH v10 0/9] KVM: mm: fd-based approach for supporting KVM"
> >   https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Flkml%2F20221202061347.1070246-1-chao.p.peng%40linux.intel.com%2FT%2F%23me1dd3a4c295758b4e4ac8ff600f2db055bc5f987&data=05%7C01%7Cmichael.roth%40amd.com%7Ce778b913794d41ca7a1b08dae524f21c%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C638074244202143178%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=rhjtuPIYWrTN%2FtPHOb2HM5GGZ5cgHRCGVoqu8N1f7XY%3D&reserved=0
> 
> Well, not quite.
> 
> There's also this thing which is stuck in there:
> 
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Fr%2F20221205232341.4131240-1-vannapurve%40google.com&data=05%7C01%7Cmichael.roth%40amd.com%7Ce778b913794d41ca7a1b08dae524f21c%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C638074244202143178%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=L20ayS1IDUCuOjrs2HzVApzf5%2BmW48PhcsnZprn1RIM%3D&reserved=0
> 
> and I would appreciate reading that in the 0th message so that I don't
> scratch my head over why don't those patches apply and what else is
> missing...

That's correct, sorry for the confusion. With UPM v9 those tests were included
on top so when I ported to v10 I failed to recall it was now a separate
patchset I'd added on top.

-Mike

> 
> -- 
> Regards/Gruss,
>     Boris.
> 
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpeople.kernel.org%2Ftglx%2Fnotes-about-netiquette&data=05%7C01%7Cmichael.roth%40amd.com%7Ce778b913794d41ca7a1b08dae524f21c%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C638074244202143178%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=q4TNZvaptVOEPnx%2B6FJpg64v%2BUya14kO6PX1U422JXE%3D&reserved=0