From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul E. McKenney" Subject: Re: [PATCH RFC] Simplify the Linux kernel by reducing its state space Date: Sat, 31 Mar 2012 13:43:32 -0700 Message-ID: <20120331204332.GH2450@linux.vnet.ibm.com> References: <20120331163321.GA15809@linux.vnet.ibm.com> <20120331201500.GA27640@linas.org> <4F77681E.5010608@xenotime.net> Reply-To: paulmck@linux.vnet.ibm.com Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <4F77681E.5010608@xenotime.net> Sender: linux-ia64-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Randy Dunlap Cc: Linas Vepstas , linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, uclinux-dist-devel@blackfin.uclinux.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m32r@ml.linux-m32r.org, linux-m32r-ja@ml.linux-m32r.org, linux-mips@linux-mips.org, linux-am33-list@redhat.com, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, tglx@linutronix.de, linux@arm.linux.org.uk, dhowells@redhat.com, jejb@parisc-linux.org, linux390@de.ibm.com, x86@kernel.org, cmetcalf@tilera.com On Sat, Mar 31, 2012 at 01:25:02PM -0700, Randy Dunlap wrote: > On 03/31/2012 01:15 PM, Linas Vepstas wrote: > > > > > Hi, > > > > I didn't actually try to compile the patch below; it didn't look like > > C code so I wasn't sure what compiler to run it through. I guess maybe > > its python? However, I'm very sure that the patches are completely > > correct, because I read them, and I also know Paul. And I've heard of > > Thomas Gleixner. > > > x86_64 defconfig has many build errors and warnings. :( I suggest removing the code containing the errors and warnings. I bet that the offending code is not needed when running with zero CPUs. > back to my abacus. ;-) Thanx, Paul From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul E. McKenney" Date: Sat, 31 Mar 2012 20:43:32 +0000 Subject: Re: [PATCH RFC] Simplify the Linux kernel by reducing its state space Message-Id: <20120331204332.GH2450@linux.vnet.ibm.com> List-Id: References: <20120331163321.GA15809@linux.vnet.ibm.com> <20120331201500.GA27640@linas.org> <4F77681E.5010608@xenotime.net> In-Reply-To: <4F77681E.5010608@xenotime.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org On Sat, Mar 31, 2012 at 01:25:02PM -0700, Randy Dunlap wrote: > On 03/31/2012 01:15 PM, Linas Vepstas wrote: > > > > > Hi, > > > > I didn't actually try to compile the patch below; it didn't look like > > C code so I wasn't sure what compiler to run it through. I guess maybe > > its python? However, I'm very sure that the patches are completely > > correct, because I read them, and I also know Paul. And I've heard of > > Thomas Gleixner. > > > x86_64 defconfig has many build errors and warnings. :( I suggest removing the code containing the errors and warnings. I bet that the offending code is not needed when running with zero CPUs. > back to my abacus. ;-) Thanx, Paul From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e35.co.us.ibm.com (e35.co.us.ibm.com [32.97.110.153]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e35.co.us.ibm.com", Issuer "Equifax" (not verified)) by ozlabs.org (Postfix) with ESMTPS id E9091B6EE6 for ; Sun, 1 Apr 2012 06:44:11 +1000 (EST) Received: from /spool/local by e35.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sat, 31 Mar 2012 14:44:07 -0600 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 43113C40002 for ; Sat, 31 Mar 2012 14:43:44 -0600 (MDT) Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q2VKhiWT156498 for ; Sat, 31 Mar 2012 14:43:44 -0600 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q2VKhgrw020781 for ; Sat, 31 Mar 2012 14:43:44 -0600 Date: Sat, 31 Mar 2012 13:43:32 -0700 From: "Paul E. McKenney" To: Randy Dunlap Subject: Re: [PATCH RFC] Simplify the Linux kernel by reducing its state space Message-ID: <20120331204332.GH2450@linux.vnet.ibm.com> References: <20120331163321.GA15809@linux.vnet.ibm.com> <20120331201500.GA27640@linas.org> <4F77681E.5010608@xenotime.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <4F77681E.5010608@xenotime.net> Cc: linux-m32r-ja@ml.linux-m32r.org, linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, dhowells@redhat.com, sparclinux@vger.kernel.org, linux-s390@vger.kernel.org, linux-am33-list@redhat.com, linux@arm.linux.org.uk, linux-hexagon@vger.kernel.org, x86@kernel.org, jejb@parisc-linux.org, Linas Vepstas , cmetcalf@tilera.com, uclinux-dist-devel@blackfin.uclinux.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, linux-m32r@ml.linux-m32r.org, linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux390@de.ibm.com, linuxppc-dev@lists.ozlabs.org Reply-To: paulmck@linux.vnet.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, Mar 31, 2012 at 01:25:02PM -0700, Randy Dunlap wrote: > On 03/31/2012 01:15 PM, Linas Vepstas wrote: > > > > > Hi, > > > > I didn't actually try to compile the patch below; it didn't look like > > C code so I wasn't sure what compiler to run it through. I guess maybe > > its python? However, I'm very sure that the patches are completely > > correct, because I read them, and I also know Paul. And I've heard of > > Thomas Gleixner. > > > x86_64 defconfig has many build errors and warnings. :( I suggest removing the code containing the errors and warnings. I bet that the offending code is not needed when running with zero CPUs. > back to my abacus. ;-) Thanx, Paul From mboxrd@z Thu Jan 1 00:00:00 1970 From: paulmck@linux.vnet.ibm.com (Paul E. McKenney) Date: Sat, 31 Mar 2012 13:43:32 -0700 Subject: [PATCH RFC] Simplify the Linux kernel by reducing its state space In-Reply-To: <4F77681E.5010608@xenotime.net> References: <20120331163321.GA15809@linux.vnet.ibm.com> <20120331201500.GA27640@linas.org> <4F77681E.5010608@xenotime.net> Message-ID: <20120331204332.GH2450@linux.vnet.ibm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sat, Mar 31, 2012 at 01:25:02PM -0700, Randy Dunlap wrote: > On 03/31/2012 01:15 PM, Linas Vepstas wrote: > > > > > Hi, > > > > I didn't actually try to compile the patch below; it didn't look like > > C code so I wasn't sure what compiler to run it through. I guess maybe > > its python? However, I'm very sure that the patches are completely > > correct, because I read them, and I also know Paul. And I've heard of > > Thomas Gleixner. > > > x86_64 defconfig has many build errors and warnings. :( I suggest removing the code containing the errors and warnings. I bet that the offending code is not needed when running with zero CPUs. > back to my abacus. ;-) Thanx, Paul