linux-kernel - Re: [PATCH v7 00/45] Add AMD Secure Nested Paging (SEV-SNP) Guest Support

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Date:   Tue, 16 Nov 2021 09:45:59 -0600
From:   Venu Busireddy <venu.busireddy@...cle.com>
To:     Brijesh Singh <brijesh.singh@....com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        linux-efi@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        linux-coco@...ts.linux.dev, linux-mm@...ck.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Joerg Roedel <jroedel@...e.de>,
        Tom Lendacky <thomas.lendacky@....com>,
        "H. Peter Anvin" <hpa@...or.com>, Ard Biesheuvel <ardb@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Jim Mattson <jmattson@...gle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Sergio Lopez <slp@...hat.com>, Peter Gonda <pgonda@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        David Rientjes <rientjes@...gle.com>,
        Dov Murik <dovmurik@...ux.ibm.com>,
        Tobin Feldman-Fitzthum <tobin@....com>,
        Borislav Petkov <bp@...en8.de>,
        Michael Roth <michael.roth@....com>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Andi Kleen <ak@...ux.intel.com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        tony.luck@...el.com, marcorr@...gle.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com
Subject: Re: [PATCH v7 00/45] Add AMD Secure Nested Paging (SEV-SNP) Guest
 Support

On 2021-11-15 10:55:32 -0600, Venu Busireddy wrote:
> On 2021-11-15 10:45:48 -0600, Brijesh Singh wrote:
> > 
> > 
> > On 11/15/21 10:37 AM, Venu Busireddy wrote:
> > > On 2021-11-15 10:02:24 -0600, Brijesh Singh wrote:
> > > > 
> > > > 
> > > > On 11/15/21 9:56 AM, Venu Busireddy wrote:
> > > > ...
> > > > 
> > > > > > The series is based on tip/master
> > > > > >     ea79c24a30aa (origin/master, origin/HEAD, master) Merge branch 'timers/urgent'
> > > > > 
> > > > > I am looking at
> > > > > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftorvalds%2Flinux.git&amp;data=04%7C01%7Cbrijesh.singh%40amd.com%7C566cca1a4ceb44dac52f08d9a85639fd%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637725911063489322%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&amp;sdata=CT%2BZ6Nm6pnvVGY%2B%2FmzK4gG1zxlMNQ1fn7ie6K%2FYueTQ%3D&amp;reserved=0,
> > > > > and I cannot find the commit ea79c24a30aa there. Am I looking at the
> > > > > wrong tree?
> > > > > 
> > > > 
> > > > Yes.
> > > > 
> > > > You should use the tip [1] tree .
> > > > 
> > > > [1] https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftip%2Ftip.git%2F&amp;data=04%7C01%7Cbrijesh.singh%40amd.com%7C566cca1a4ceb44dac52f08d9a85639fd%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637725911063499319%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&amp;sdata=XnWIcW62nTrAcDLCkHFpOPv5%2BClg11wfyh0pJ9Dug2c%3D&amp;reserved=0
> > > 
> > > Same problem with tip.git too.
> > > 
> > > bash-4.2$ git remote -v
> > > origin  https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftip%2Ftip.git&amp;data=04%7C01%7Cbrijesh.singh%40amd.com%7C566cca1a4ceb44dac52f08d9a85639fd%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637725911063499319%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&amp;sdata=W%2BA8qZwPicXo7OSslFPqL8s8QRxzW9n68TX1B7MXFYQ%3D&amp;reserved=0 (fetch)
> > > origin  https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftip%2Ftip.git&amp;data=04%7C01%7Cbrijesh.singh%40amd.com%7C566cca1a4ceb44dac52f08d9a85639fd%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637725911063499319%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&amp;sdata=W%2BA8qZwPicXo7OSslFPqL8s8QRxzW9n68TX1B7MXFYQ%3D&amp;reserved=0 (push)
> > > bash-4.2$ git branch
> > > * master
> > > bash-4.2$ git log --oneline | grep ea79c24a30aa
> > > bash-4.2$
> > > 
> > > Still missing something?
> > > 
> > 
> > I can see the base commit on my local clone and also on web interface
> 
> But can you see the commit ea79c24a30aa if you clone
> git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git?
> 
> > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=ea79c24a30aa27ccc4aac26be33f8b73f3f1f59c
> 
> The web interface has the weird warning "Notice: this object is not
> reachable from any branch." Don't know what to make of that.

Just wanted to clarify. I am not interested in the commit ea79c24a30aa
per se. I am trying to apply this patch series to a local copy of the
tip. I tried applying to the top of the tree, and that failed. I tried
to apply on top of commit ca7752caeaa7 (which appeared to be the closest
commit to your description), and that also failed. I just need a commit
on which I can successfully apply this series.

Thanks,

Venu

> 
> Venu
> 
> > 
> > thanks