lkml.org 
[lkml]   [2022]   [May]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Date
    SubjectRe: [PATCH V9 20/24] LoongArch: Add efistub booting support
    Hi, Arnd,

    On Sat, May 14, 2022 at 3:33 AM Arnd Bergmann <arnd@arndb.de> wrote:
    >
    > On Fri, May 6, 2022 at 3:20 PM Huacai Chen <chenhuacai@gmail.com> wrote:
    > > On Fri, May 6, 2022 at 7:41 PM Arnd Bergmann <arnd@arndb.de> wrote:
    > > >
    > > > Agreed. I think there can be limited compatibility support for old
    > > > firmware though, at least to help with the migration: As long as
    > > > the interface between grub and linux has a proper definition following
    > > > the normal UEFI standard, there can be both a modern grub
    > > > that is booted using the same protocol and a backwards-compatible
    > > > grub that can be booted from existing firmware and that is able
    > > > to boot the kernel.
    > > >
    > > > The compatibility version of grub can be retired after the firmware
    > > > itself is able to speak the normal boot protocol.
    > > After an internal discussion, we decide to use the generic stub, and
    > > we have a draft version of generic stub now[1]. I hope V10 can solve
    > > all problems. :)
    > > [1] https://github.com/loongson/linux/tree/loongarch-next-generic-stub
    >
    > Can you post v19 to the list? As we have resolved the question on clone()
    > now (I hope), and you have a prototype for the boot protocol, it sounds
    > like this can make it into v5.19 after all, but we need to be sure that the
    > remaining points that Xuerui Wang and Ard Biesheuvel raised are
    > all addressed, and there is not much time before the merge window.
    >
    > I have built a gcc-12.1 based toochain at
    > https://mirrors.edge.kernel.org/pub/tools/crosstool/ that now includes
    > loongarch64 suport, please point to that in the cover letter for v10
    > in case someone wants to start test building.
    >
    > I will be travelling next week, and won't be able to pull your tree
    > into the asm-generic tree during that time, as I had originally planned.
    >
    OK, thanks, I will send a new version today.

    Huacai

    > However, you can ask Stephen Rothwell (added to Cc) to add your
    > git tree to linux-next once you think that you have addressed all of the
    > remaining review comments, and posted the same version to the
    > list. This will allow others to more easily test your tree in combination
    > with the other work that has been queued for the 5.19 release.
    >
    > If there are no new show-stoppers, I can help you coordinate
    > the pull request during the merge window.
    >
    > Arnd

    \
     
     \ /
      Last update: 2022-05-14 04:57    [W:4.482 / U:0.024 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site