linux-kernel - Re: [GIT PULL] RISC-V Port for Linux 4.15 v9

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Date:   Tue, 14 Nov 2017 10:04:42 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        patches@...ups.riscv.org, Olof Johansson <olof@...om.net>
Subject: Re: [GIT PULL] RISC-V Port for Linux 4.15 v9

On Mon, Nov 13, 2017 at 10:56 PM, Palmer Dabbelt <palmer@...belt.com> wrote:
> The following changes since commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4:
>
>   Linux 4.14 (2017-11-12 10:46:13 -0800)
>
> are available in the git repository at:
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git tags/riscv-for-linus-4.15-arch-v9
>
> for you to fetch changes up to 512d88db5ef3de56f392f761657c2ab2cadc0498:
>
>   Merge tag 'v4.14' into for-linus (2017-11-13 13:17:51 -0800)
>
> ----------------------------------------------------------------
> RISC-V Port for Linux 4.15 v9
>
> This tag contains the core RISC-V Linux port, which has been through
> nine rounds of review on various mailing lists.  The port is not
> complete: there's some cleanup patches moving through the review
> process, a whole bunch of drivers that need some work, and a lot of
> feature additions that will be needed.
>
> The patches contained in this tag have been through nine rounds of
> review on the various mailing lists.  I have some outstanding cleanup
> patches, but since there's been so much review on these patches I
> thought it would be best to submit them as-is and then submit explicit
> cleanup patches so everyone can review them.  This first patch set is
> big enough that it's a bit of a pain to constantly rewrite, and it's
> caused a few headaches with various contributors.
>
> The port is definately a work in progress.  While what's there builds
> and boots with 4.14, it's a bit hard to actually see anything happen
> because there are no device drivers yet.  I maintain a staging branch
> that contains all the device drivers and cleanup that actually works,
> but those patches won't all be ready for a while.  I'd like to get what
> we currently have into your tree so everyone can start working from a
> single base -- of particular importance is allowing the glibc
> upstreaming process to proceed so we can sort out any possibly lingering
> user-visible ABI problems we might have.

For the contents:

Reviewed-by: Arnd Bergmann <arnd@...db.de>

As you say, there are a few FIXME's left, but nothing that can't
just be handled after the merge.

Two small things I noticed about the pull request:

- I see you pulled in the v4.14 tag, presumably to have a cleaner
  merge base. It's better not to do that kind of "back-merge", it
  will mess up the git history and it doesn't really help with anything
  important like bisection through the series.

- The last commit before the backmerge is from Sep 26. I would
  assume that you have done other work since then (I saw at
  least one patch). Shouldn't they be included here?

       Arnd