All of lore.kernel.org
 help / color / mirror / Atom feed
From: Nick Desaulniers <ndesaulniers@google.com>
To: Zhangjin Wu <falcon@tinylab.org>
Cc: palmer@rivosinc.com, conor@kernel.org, guoren@kernel.org,
	linux-riscv@lists.infradead.org, npiggin@gmail.com,
	paul.walmsley@sifive.com, paulburton@kernel.org,
	vincent.chen@sifive.com, tim.bird@sony.com, llvm@lists.linux.dev
Subject: Re: [PATCH v3] RISC-V: Enable dead code elimination
Date: Tue, 20 Jun 2023 13:13:06 -0700	[thread overview]
Message-ID: <ZJIIUn8Da15neIwI@google.com> (raw)
In-Reply-To: <20230517082936.37563-1-falcon@tinylab.org>

On Wed, May 17, 2023 at 04:29:36PM +0800, Zhangjin Wu wrote:
> Select CONFIG_HAVE_LD_DEAD_CODE_DATA_ELIMINATION for RISC-V, allowing
> the user to enable dead code elimination. In order for this to work,
> ensure that we keep the alternative table by annotating them with KEEP.
> 

Just cross referencing the report from Palmer against v2; I see orphan
section warnings from the linker related to the EFI stub when building
allmodconfig with this patch applied.

v2: thread for reference.
https://lore.kernel.org/linux-riscv/CAKwvOdmsgMN5oQpDLh12D0X-CfQDtHC-EtxHcBnADkhnyitMKQ@mail.gmail.com/

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
From: Nick Desaulniers <ndesaulniers@google.com>
To: Zhangjin Wu <falcon@tinylab.org>
Cc: palmer@rivosinc.com, conor@kernel.org, guoren@kernel.org,
	linux-riscv@lists.infradead.org, npiggin@gmail.com,
	paul.walmsley@sifive.com, paulburton@kernel.org,
	vincent.chen@sifive.com, tim.bird@sony.com, llvm@lists.linux.dev
Subject: Re: [PATCH v3] RISC-V: Enable dead code elimination
Date: Tue, 20 Jun 2023 13:13:06 -0700	[thread overview]
Message-ID: <ZJIIUn8Da15neIwI@google.com> (raw)
In-Reply-To: <20230517082936.37563-1-falcon@tinylab.org>

On Wed, May 17, 2023 at 04:29:36PM +0800, Zhangjin Wu wrote:
> Select CONFIG_HAVE_LD_DEAD_CODE_DATA_ELIMINATION for RISC-V, allowing
> the user to enable dead code elimination. In order for this to work,
> ensure that we keep the alternative table by annotating them with KEEP.
> 

Just cross referencing the report from Palmer against v2; I see orphan
section warnings from the linker related to the EFI stub when building
allmodconfig with this patch applied.

v2: thread for reference.
https://lore.kernel.org/linux-riscv/CAKwvOdmsgMN5oQpDLh12D0X-CfQDtHC-EtxHcBnADkhnyitMKQ@mail.gmail.com/

  parent reply	other threads:[~2023-06-20 20:13 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-17  8:29 [PATCH v3] RISC-V: Enable dead code elimination Zhangjin Wu
2023-05-17  8:41 ` Zhangjin Wu
2023-05-21  2:23 ` guoren
2023-05-21  4:09 ` Bin Meng
2023-05-21  8:48 ` Jisheng Zhang
2023-05-21  8:51   ` Jisheng Zhang
2023-05-21  9:08     ` Jisheng Zhang
2023-05-21 12:41   ` Zhangjin Wu
2023-05-21 13:32     ` Conor Dooley
2023-05-21 14:56       ` Zhangjin Wu
2023-05-21 15:06         ` Conor Dooley
2023-06-20 20:13 ` Nick Desaulniers [this message]
2023-06-20 20:13   ` Nick Desaulniers
2023-06-20 20:17   ` Palmer Dabbelt
2023-06-20 20:17     ` Palmer Dabbelt
2023-06-20 20:22     ` Conor Dooley
2023-06-20 20:22       ` Conor Dooley
2023-06-20 20:26     ` Nick Desaulniers
2023-06-20 20:26       ` Nick Desaulniers
2023-06-20 20:41       ` Palmer Dabbelt
2023-06-20 20:41         ` Palmer Dabbelt

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ZJIIUn8Da15neIwI@google.com \
    --to=ndesaulniers@google.com \
    --cc=conor@kernel.org \
    --cc=falcon@tinylab.org \
    --cc=guoren@kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=llvm@lists.linux.dev \
    --cc=npiggin@gmail.com \
    --cc=palmer@rivosinc.com \
    --cc=paul.walmsley@sifive.com \
    --cc=paulburton@kernel.org \
    --cc=tim.bird@sony.com \
    --cc=vincent.chen@sifive.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.