From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-x230.google.com (mail-pb0-x230.google.com [IPv6:2607:f8b0:400e:c01::230]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 0E8432C00FD for ; Sat, 27 Jul 2013 11:19:09 +1000 (EST) Received: by mail-pb0-f48.google.com with SMTP id md4so2608479pbc.21 for ; Fri, 26 Jul 2013 18:19:07 -0700 (PDT) Date: Sat, 27 Jul 2013 10:49:01 +0930 From: Alan Modra To: Ryan Arnold Subject: Re: SIGSTKSZ/MINSIGSTKSZ too small on 64bit Message-ID: <20130727011901.GG3294@bubble.grove.modra.org> References: <20130726122325.10b900e4@kryten> <20130726050528.GF3294@bubble.grove.modra.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Cc: Michael Neuling , azanella@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, Anton Blanchard , rsa@linux.vnet.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Jul 26, 2013 at 04:31:34PM -0500, Ryan Arnold wrote: > Adhemerval and I were just looking at the signal stack frames and I'd > noticed the increase in size due to the addition of the HTM bits so this is > great timing. > > I tried a sigstack.h patch that increased the values as you indicated and > it cleaned up the failing tst-cancel21* testcases on POWER8. I didn't try > it on POWER7 yet. I've tested on power7 using a copy of sysdeps/unix/sysv/linux/sparc/bits/sigstack.h as sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h -- Alan Modra Australia Development Lab, IBM