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 In-Reply-To: <4E9E0B71.9020708@am.sony.com> References: <4E9E0B71.9020708@am.sony.com> Message-ID: <1318983248.7569.5.camel@Joe-Laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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.