From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Hellstrom Date: Wed, 20 Apr 2011 08:12:25 +0000 Subject: Re: [PATCH 6/7] sparc32,leon: operate on boot-cpu IRQ controller Message-Id: <4DAE9569.1050905@gaisler.com> List-Id: References: <1303229239-21551-6-git-send-email-daniel@gaisler.com> In-Reply-To: <1303229239-21551-6-git-send-email-daniel@gaisler.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org crn@post.netunix.com wrote: > > > On Wed, 20 Apr 2011, Daniel Hellstrom wrote: > >>> >> I agree that it would be nicer, however I think the SUNs will never >> be booted on CPU1 anyway? Anyways, I think this should go into >> another patch series. > > > You cannot assume this, sun4d and AFAIK all 64bit systems will boot on > the first non-blacklisted CPU found. > For example, it is perfectly OK to have no CPU present on board0 slot0 > in which case the SS1000 will boot using CPU1. Sorry I meant the UP 32-bit SUNs, some if not all SMP 32-bit SUNs apparently use the boot_cpu_id Sam is talking about. Have you tried booting on CPU1 with a UP Linux kernel on the SS1000 machine? I still believe that the changes should go into a separate patch series though. Thanks, Daniel