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Date: Tue, 29 Nov 2016 13:35:46 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Babu Moger <babu.moger@oracle.com>, Ingo Molnar <mingo@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Kees Cook <keescook@chromium.org>,
        Dan Williams <dan.j.williams@intel.com>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Tejun Heo <tj@kernel.org>, Sam Ravnborg <sam@ravnborg.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        sparclinux <sparclinux@vger.kernel.org>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH v3 0/2] Ajust lockdep static allocations for sparc
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On Tue, Nov 29, 2016 at 01:29:07PM +0100, Peter Zijlstra wrote:
> > BTW, is there any particular reason these huge arrays are in BSS, and not
> > allocated dynamically? That would solve my problems as well...
> 
> Is there a memory allocator available before _any_ locks are used, and
> that itself also doesn't use locks?

And if that is, the platform could use that to allocate .bss, no?

From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Date: Tue, 29 Nov 2016 12:35:46 +0000
Subject: Re: [PATCH v3 0/2] Ajust lockdep static allocations for sparc
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To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Babu Moger <babu.moger@oracle.com>, Ingo Molnar <mingo@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Kees Cook <keescook@chromium.org>, Dan Williams <dan.j.williams@intel.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Tejun Heo <tj@kernel.org>, Sam Ravnborg <sam@ravnborg.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, sparclinux <sparclinux@vger.kernel.org>, Linux-Renesas <linux-renesas-soc@vger.kernel.org>

On Tue, Nov 29, 2016 at 01:29:07PM +0100, Peter Zijlstra wrote:
> > BTW, is there any particular reason these huge arrays are in BSS, and not
> > allocated dynamically? That would solve my problems as well...
> 
> Is there a memory allocator available before _any_ locks are used, and
> that itself also doesn't use locks?

And if that is, the platform could use that to allocate .bss, no?