Re: [PATCH 0/2] objtool: Fix code reloc vs weak symbols

From: Josh Poimboeuf
Date: Thu Apr 21 2022 - 11:48:28 EST


On Tue, Apr 19, 2022 at 10:32:54PM +0200, Peter Zijlstra wrote:
> Two fun bugs that make can cause other fun fail if you have a fresh enough
> toolchain that strips unused section symbols.
>
> The symptoms can vary between a faulty unwind to a kernel splat for trying to
> patch the wrong text.
>
> I found it while playing with text patching and Josh confirmed it very much
> affects ORC data too.

Seems to work ok with testing.

With the XXX comment removed or fixed:

Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

--
Josh