From mboxrd@z Thu Jan  1 00:00:00 1970
From: joe@perches.com (Joe Perches)
Date: Tue, 18 Oct 2011 17:14:08 -0700
Subject: [PATCH 0/3] ARM 4Kstacks: introduction
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To: linux-arm-kernel@lists.infradead.org
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On Tue, 2011-10-18 at 16:27 -0700, Tim Bird wrote:
> I'm about to submit a set of patches (really pretty small)
> to add 4K stack support to ARM (defaulted to 'N').

When 4k stacks went away, I thought it safe enough
to submit vsnprintf recursion using %pV.

I believe the current vsnprintf max recursion is 3.
Each recursion uses at least 300 bytes of stack.

That might be some additional issue for 4k stacks.

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Subject: Re: [PATCH 0/3] ARM 4Kstacks: introduction
From: Joe Perches <joe@perches.com>
To: Tim Bird <tim.bird@am.sony.com>
Cc: Russell King <rmk@arm.linux.org.uk>,
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	<linux-arm-kernel@lists.infradead.org>,
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        Thomas Gleixner <tglx@linutronix.de>,
        linux kernel <linux-kernel@vger.kernel.org>
Date: Tue, 18 Oct 2011 17:14:08 -0700
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On Tue, 2011-10-18 at 16:27 -0700, Tim Bird wrote:
> I'm about to submit a set of patches (really pretty small)
> to add 4K stack support to ARM (defaulted to 'N').

When 4k stacks went away, I thought it safe enough
to submit vsnprintf recursion using %pV.

I believe the current vsnprintf max recursion is 3.
Each recursion uses at least 300 bytes of stack.

That might be some additional issue for 4k stacks.