RE: upgrade the orphan section warning to a hard link error

From: "Li, Xin3" <xin3.li@intel.com>
To: Nathan Chancellor <nathan@kernel.org>
Cc: Kees Cook <keescook@chromium.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
	H.Peter Anvin <hpa@zytor.com>,
	Peter Zijlstra <peterz@infradead.org>,
	"llvm@lists.linux.dev" <llvm@lists.linux.dev>,
	"linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>
Subject: RE: upgrade the orphan section warning to a hard link error
Date: Sat, 22 Oct 2022 03:39:50 +0000	[thread overview]
Message-ID: <BN6PR1101MB21616DCC665F0C7285DB1DD3A82C9@BN6PR1101MB2161.namprd11.prod.outlook.com> (raw)
In-Reply-To: <Y1GLLnYsEC8lYTdp@dev-arch.thelio-3990X>

> > Do you want me to continue?  Or maybe it's easier for you to complete it?
> 
> Sure, I think it is reasonable for you to continue with this as you brought up the
> idea initially! Feel free to just take those diffs wholesale if they work and stick a
> 
>     Suggested-by: Nathan Chancellor <nathan@kernel.org>
> 
> or
> 
>     Co-developed-by: Nathan Chancellor <nathan@kernel.org>
>     Signed-off-by: Nathan Chancellor <nathan@kernel.org>
> 
> on the patch if you are so inclined or rework them in a way you see fit, I do not
> have a strong opinion.
> 
> > I will need to find resources to test the patch on other platforms besides x86.
> 
> In theory, we should have already cleaned up all these warnings when we
> enabled CONFIG_LD_ORPHAN_WARN for all these architectures, so that
> change should be a no-op. More testing is never a bad idea though :)
> 
> I can throw it into my LLVM testing matrix as well.

Hi Nathan,

I just sent out the patch
  https://lore.kernel.org/all/20221022030519.9505-2-xin3.li@intel.com/,
It's mostly based on what we have discussed here, please help to review it.

Thanks!
Xin

> 
> Cheers,
> Nathan