linux-kernel - Re: linux-next: duplicate patches in the kvm-x86 tree

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Date:   Tue, 24 Jan 2023 12:09:07 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Marc Zyngier <maz@...nel.org>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Sean Christopherson <seanjc@...gle.com>,
        KVM <kvm@...r.kernel.org>,
        Christoffer Dall <cdall@...columbia.edu>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: duplicate patches in the kvm-x86 tree

On Tue, Jan 24, 2023 at 9:47 AM Marc Zyngier <maz@...nel.org> wrote:
>
> Hi Stephen,
>
> On Tue, 24 Jan 2023 01:55:15 +0000,
> Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > Hi all,
> >
> > The following commits are also in other tree(s?) as different
> > commits (but the same patches):
> >
> >   0b6639e8ed87 ("KVM: s390: Move hardware setup/unsetup to init/exit")
> >   0c2be59e0b53 ("KVM: x86: Use KBUILD_MODNAME to specify vendor module name")
> >   1334f214d19f ("KVM: s390: Unwind kvm_arch_init() piece-by-piece() if a step fails")
>
> [...]
>
> > I guess someone has rebased one of the kvm trees and it had already been
> > merged into another (like the kvm or kvm-arm trees).
>
> Huh, that's worrying. I'm carrying the kvm-hw-enable-refactor branch
> from the KVM tree, which I understood to be a stable branch[1], and
> which I merged to avoid conflicts to be propagated everywhere.

It wasn't 100% guaranteed to be stable because it was meant to be
tested and have fixes squashed in. But since I had no issues reported
from either maintainers or bots, I will indeed merge commit
9f1a4c004869 aka kvm/kvm-hw-enable-refactor into kvm/next. Sean,
please rebase to drop the duplicate commits.

Paolo

>
> Paolo, Sean: what is the *real* status of this branch?
>
>         M.
>
> [1] https://lore.kernel.org/r/4d73d1b9-2c28-ab6a-2963-579bcc7a9e67@redhat.com
>
> --
> Without deviation from the norm, progress is not possible.
>