linux-kernel - Re: [PATCH] objtool: Remove reloc symbol type checks in get_alt

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Message-ID: <YVwQjlC50b0a23OC@hirez.programming.kicks-ass.net>
Date:   Tue, 5 Oct 2021 10:45:02 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Miroslav Benes <mbenes@...e.cz>
Subject: Re: [PATCH] objtool: Remove reloc symbol type checks in
 get_alt_entry()

On Mon, Oct 04, 2021 at 10:07:50AM -0700, Josh Poimboeuf wrote:
> Converting a special section's relocation reference to a symbol is
> straightforward.  No need for objtool to complain that it doesn't know
> how to handle it.  Just handle it.
> 
> This fixes the following warning:
> 
>   arch/x86/kvm/emulate.o: warning: objtool: __ex_table+0x4: don't know how to handle reloc symbol type: kvm_fastop_exception
> 
> Fixes: 24ff65257375 ("objtool: Teach get_alt_entry() about more relocation types")
> Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>
> Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>

Thanks!

Does not in fact apply due to Linus' patch. Fixed that up and will run
more careful tests this time :-)