linux-kernel - Re: [PATCH v9 00/16] Add support for Clang LTO

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Date:   Sat, 9 Jan 2021 18:33:36 +0100
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Sami Tolvanen <samitolvanen@...gle.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Will Deacon <will@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Clang-Built-Linux ML <clang-built-linux@...glegroups.com>,
        kernel-hardening@...ts.openwall.com, linux-arch@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v9 00/16] Add support for Clang LTO

On Sat, Jan 9, 2021 at 6:06 PM Josh Poimboeuf <jpoimboe@...hat.com> wrote:
>
> On Sat, Jan 09, 2021 at 11:03:57AM -0600, Josh Poimboeuf wrote:
> > On Sat, Jan 09, 2021 at 05:45:47PM +0100, Sedat Dilek wrote:
> > > I tried merging with clang-cfi Git which is based on Linux v5.11-rc2+
> > > with a lot of merge conflicts.
> > >
> > > Did you try on top of cfi-10 Git tag which is based on Linux v5.10?
> > >
> > > Whatever you successfully did... Can you give me a step-by-step instruction?
> >
> > Oops, my bad.  My last three commits (which I just added) do conflict.
> > Sorry for the confusion.
> >
> > Just drop my last three commits:
> >
> > git fetch https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git objtool-vmlinux
> > git checkout -B tmp FETCH_HEAD
> > git reset --hard HEAD~~~
> > git fetch https://github.com/samitolvanen/linux clang-lto
> > git rebase --onto FETCH_HEAD 79881bfc57be
>
> Last one should be:
>
> git rebase --onto FETCH_HEAD 2c85ebc57b3e
>

OK, that worked fine.

So commit 2c85ebc57b3e is v5.10 Git tag in upstream.

So, I substituted:

git rebase --onto FETCH_HEAD v5.10

Thanks.

- Sedat -