linux-kernel - Re: x86/kconfig: Consolidate unwinders into multiple choice selection

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Message-ID: <20170906221040.kyolf54dm326nrza@codemonkey.org.uk>
Date:   Wed, 6 Sep 2017 18:10:40 -0400
From:   Dave Jones <davej@...emonkey.org.uk>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: x86/kconfig: Consolidate unwinders into multiple choice selection

On Wed, Sep 06, 2017 at 04:49:45PM -0500, Josh Poimboeuf wrote:
 
 > > Choose kernel unwinder
 > > > 1. Frame pointer unwinder (FRAME_POINTER_UNWINDER) (NEW)
 > >   2. ORC unwinder (ORC_UNWINDER) (NEW)
 > >   3. Guess unwinder (GUESS_UNWINDER) (NEW)
 > > choice[1-3?]: 
 > 
 > This is a quirk of the config tool.  It's not very intuitive, but to see
 > the help for a given option you have to type the number appended with a
 > '?', like:
 > 
 >   > 1. Frame pointer unwinder (FRAME_POINTER_UNWINDER) (NEW)
 >     2. ORC unwinder (ORC_UNWINDER) (NEW)
 >   choice[1-2?]: 1?

Hey, I learned something today!

thanks,

	Dave