linux-kernel - Re: [PATCH v2 8/9] frame: Make unwind hints definitions available to other architectures

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Message-ID: <20200730145613.lbsexjcqwj67ktmb@treble>
Date:   Thu, 30 Jul 2020 09:56:13 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Julien Thierry <jthierry@...hat.com>
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org, mbenes@...e.cz,
        raphael.gault@....com, benh@...nel.crashing.org
Subject: Re: [PATCH v2 8/9] frame: Make unwind hints definitions available to
 other architectures

On Thu, Jul 30, 2020 at 10:46:51AM +0100, Julien Thierry wrote:
> Unwind hints are useful to provide objtool with information about stack
> states in non-standard functions/code.
> While the type of information being provided might be very arch
> specific, the mechanism to provide the information can be useful for
> other architectures.
> 
> Move the relevant unwint hint definitions for all architectures to
> see.

The scope of include/linux/frame.h has been creeping, it's no longer
just about frame pointers.  Maybe we should rename it to objtool.h.

-- 
Josh