linux-kernel - Re: [PATCH 3/7] objtool: Add support for intra-function calls

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Message-ID: <20200402172755.eejb5g7z5oadj5pj@treble>
Date:   Thu, 2 Apr 2020 12:27:55 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Julien Thierry <jthierry@...hat.com>
Cc:     Alexandre Chartre <alexandre.chartre@...cle.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, peterz@...radead.org,
        tglx@...utronix.de
Subject: Re: [PATCH 3/7] objtool: Add support for intra-function calls

On Thu, Apr 02, 2020 at 10:49:19AM -0500, Josh Poimboeuf wrote:
> On Thu, Apr 02, 2020 at 01:53:49PM +0100, Julien Thierry wrote:
> > Hi Alexandre,
> > 
> > I ran into the limitation of intra-function call for the arm64 support but
> > didn't take the time to make a clean patch to support them properly.
> 
> Can you give an example of where arm64 uses intra-function calls?  It
> sounds sketchy to me :-)  Is it really needed/useful?

BTW, I have a vague memory of discussing this before, so I apologize if
I'm repeating myself ;-)

-- 
Josh