[SRU][K/Unstable][PATCH 0/1] Disable CONFIG_CONFIG on RISC-V

Emil Renner Berthing emil.renner.berthing at canonical.com
Tue Jun 28 08:48:46 UTC 2022


Yes, sorry about that. The actually commit should be fine though.

On Tue, 28 Jun 2022 at 10:43, Dimitri John Ledkov 🏳️‍🌈
<dimitri.ledkov at canonical.com> wrote:
>
> ah, just the cover letter, 1/1 has the typpo fixed.
>
> On Tue, 28 Jun 2022 at 09:42, Dimitri John Ledkov 🏳️‍🌈
> <dimitri.ledkov at canonical.com> wrote:
> >
> > Title of the email, and hence the git commit message online, has a
> > typpo. s/CONFIG_CONFIG/CONFIG_COMPAT/ ?
> >
> > On Tue, 28 Jun 2022 at 09:00, Emil Renner Berthing
> > <emil.renner.berthing at canonical.com> wrote:
> > >
> > > [Impact]
> > >
> > >  * The 5.19 kernel adds RISC-V support for running 32bit binaries on
> > >    64bit systems, but only with hardware support.
> > >    So far no chips have been released that support it and it's not even
> > >    implemented in upstream Qemu. Also neither Ubuntu nor any other
> > >    mainstream Linux distro ships 32bit binaries, so this enables a
> > >    bunch of code that will most likely never be used.
> > >
> > > [Test Plan]
> > >
> > >  * Setting CONFIG_COMPAT=n just disables a feature that was added in
> > >    5.19, so should have no impact on userspace compared to earlier
> > >    kernels.
> > >
> > > [Where problems could occur]
> > >
> > >  * This was implemented by T-Head (Alibaba) so will most likely be
> > >    supported by one of their future designs. If it turns out to be
> > >    useful on these cores we can always enable it later.
> > >
> > > Emil Renner Berthing (1):
> > >   UBUNTU: [Config] Disable CONFIG_COMPAT on RISC-V
> > >
> > >  debian.master/config/amd64/config.common.amd64     | 1 +
> > >  debian.master/config/annotations                   | 6 +++---
> > >  debian.master/config/arm64/config.common.arm64     | 1 +
> > >  debian.master/config/config.common.ubuntu          | 1 -
> > >  debian.master/config/ppc64el/config.common.ppc64el | 1 +
> > >  debian.master/config/riscv64/config.common.riscv64 | 2 +-
> > >  debian.master/config/s390x/config.common.s390x     | 1 +
> > >  7 files changed, 8 insertions(+), 5 deletions(-)
> > >
> > > --
> > > 2.36.1
> > >
> > >
> > > --
> > > kernel-team mailing list
> > > kernel-team at lists.ubuntu.com
> > > https://lists.ubuntu.com/mailman/listinfo/kernel-team
> >
> >
> >
> > --
> > Happy Pride,
> >
> > Dimitri
>
>
>
> --
> Happy Pride,
>
> Dimitri



More information about the kernel-team mailing list