linux-kernel - Re: [PATCH v3 0/2] Ajust lockdep static allocations for sparc

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Message-ID: <20161129133141.GK3092@twins.programming.kicks-ass.net>
Date:   Tue, 29 Nov 2016 14:31:41 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Babu Moger <babu.moger@...cle.com>, Ingo Molnar <mingo@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Tejun Heo <tj@...nel.org>, Sam Ravnborg <sam@...nborg.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        sparclinux <sparclinux@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH v3 0/2] Ajust lockdep static allocations for sparc

On Tue, Nov 29, 2016 at 02:26:47PM +0100, Geert Uytterhoeven wrote:
> On Tue, Nov 29, 2016 at 1:29 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> > On Tue, Nov 29, 2016 at 12:52:04PM +0100, Geert Uytterhoeven wrote:

> >> Not because of platforms with not limited memory, but because of platforms
> >> with boot loaders that have silly kernel size limitations, and start
> >> scribbling over the DTB or even theirselves when copying a large kernel image.
> >
> > Right, that's the weird platforms clause above, and those can select the
> > option.
> 
> Their Kconfig files can select it. The users can't.
> What about making it visible depending on EXPERT?

Not understanding, why would a user ever need it? The platform knows if
its has funny boot image size limits, no?