linux-kernel - Re: [PATCH v2 0/4] riscv: enable HAVE_LD_DEAD_CODE_DATA

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Message-ID: <20230620-gibberish-unblended-f4b50c7fe369@spud>
Date:   Tue, 20 Jun 2023 21:13:05 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Palmer Dabbelt <palmer@...belt.com>, jszhang@...nel.org,
        llvm@...ts.linux.dev, Paul Walmsley <paul.walmsley@...ive.com>,
        aou@...s.berkeley.edu, Arnd Bergmann <arnd@...db.de>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, Fangrui Song <maskray@...gle.com>,
        Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [PATCH v2 0/4] riscv: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION

On Tue, Jun 20, 2023 at 04:05:55PM -0400, Nick Desaulniers wrote:
> On Mon, Jun 19, 2023 at 6:06 PM Palmer Dabbelt <palmer@...belt.com> wrote:
> > On Thu, 15 Jun 2023 06:54:33 PDT (-0700), Palmer Dabbelt wrote:
> > > On Wed, 14 Jun 2023 09:25:49 PDT (-0700), jszhang@...nel.org wrote:
> > >> On Wed, Jun 14, 2023 at 07:49:17AM -0700, Palmer Dabbelt wrote:
> > >>> On Tue, 23 May 2023 09:54:58 PDT (-0700), jszhang@...nel.org wrote:

> > >> Commit 3b90b09af5be ("riscv: Fix orphan section warnings caused by
> > >> kernel/pi") touches vmlinux.lds.S, so to make the merge easy, this
> > >> series is based on 6.4-rc2.
> > >
> > > Thanks.
> >
> > Sorry to be so slow here, but I think this is causing LLD to hang on
> > allmodconfig.  I'm still getting to the bottom of it, there's a few
> > other things I have in flight still.
> 
> Confirmed with v3 on mainline (linux-next is pretty red at the moment).
> https://lore.kernel.org/linux-riscv/20230517082936.37563-1-falcon@tinylab.org/

Just FYI Nick, there's been some concurrent work here from different
people working on the same thing & the v3 you linked (from Zhangjin) was
superseded by this v2 (from Jisheng).

Cheers,
Conor.

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