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    SubjectRe: [tip: x86/urgent] x86/config: Make the x86 defconfigs a bit more usable
    On Sun, Mar 27, 2022 at 09:08:03PM +0200, Ingo Molnar wrote:
    >
    > * Peter Zijlstra <peterz@infradead.org> wrote:
    >
    > > On Thu, Mar 24, 2022 at 08:50:16AM -0000, tip-bot2 for Ingo Molnar wrote:
    > > > The following commit has been merged into the x86/urgent branch of tip:
    > > >
    > > > Commit-ID: aee8bf2d5aab5e7cc24fa90238930fd14d72e580
    > > > Gitweb: https://git.kernel.org/tip/aee8bf2d5aab5e7cc24fa90238930fd14d72e580
    > > > Author: Ingo Molnar <mingo@kernel.org>
    > > > AuthorDate: Thu, 24 Mar 2022 09:31:13 +01:00
    > > > Committer: Ingo Molnar <mingo@kernel.org>
    > > > CommitterDate: Thu, 24 Mar 2022 09:32:20 +01:00
    > > >
    > > > x86/config: Make the x86 defconfigs a bit more usable
    > > >
    > > > - Use 'make savedefconfig' to refresh & regenerate the files
    > > > - Add in KVM boot enablers
    > >
    > > We shouldn't duplicate kvm_guest.config.
    >
    > I think x86-defconfig should be usable by itself - not just via the
    > somewhat obscure combination of:
    >
    > make defconfig
    > make kvm_guest.config
    >
    > right?

    Dunno, i've been using it forever (+- the kvmconfig rename thing, which
    was really annoying).

    But these days I have it scripted anyway, I also typically add
    DEBUG_INFO to any .config that I end up booting.

    > > > - Enable the cgroup features most distros rely on
    > >
    > > I've not yet had defconfig+kvm_guest.config fail to boot on debian
    > > images (I occasionally grab one here:
    > > https://cloud.debian.org/images/cloud/sid/daily/latest/ )
    >
    > Systemd is rather negative about missing cgroup features - at a point it
    > used to insert 30(?) seconds delays during bootup warning about missing
    > cgroups support, etc.
    >
    > Also the main Debian derived distros (Ubuntu, etc.) plus Debian itself has
    > most of cgroups enabled - so why should we test something that very few
    > users are using?

    Yeah, don't mind. I just hadn't had problems booting anything.

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