From mboxrd@z Thu Jan 1 00:00:00 1970 From: bryan.wu@canonical.com (Bryan Wu) Date: Fri, 3 Sep 2010 12:20:26 +0800 Subject: [PATCH 0/4] Hacks to allow booting ARM SMP kernel on UP ARMv7 In-Reply-To: <20100902161659.GJ11597@atomide.com> References: <20100817135205.GC20325@n2100.arm.linux.org.uk> <20100817141210.GJ12184@atomide.com> <20100817154035.GD20325@n2100.arm.linux.org.uk> <20100819073810.GR12184@atomide.com> <4C6CFBAF.6020407@canonical.com> <20100819095705.GU12184@atomide.com> <20100819102025.GA32151@n2100.arm.linux.org.uk> <20100820120622.GL25742@atomide.com> <20100830225527.GC11597@atomide.com> <20100902133637.GJ26319@n2100.arm.linux.org.uk> <20100902161659.GJ11597@atomide.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Sep 3, 2010 at 12:16 AM, Tony Lindgren wrote: > * Russell King - ARM Linux [100902 06:29]: >> On Mon, Aug 30, 2010 at 03:55:27PM -0700, Tony Lindgren wrote: >> > * Tony Lindgren [100820 04:59]: >> > > * Russell King - ARM Linux [100819 13:13]: >> > > > On Thu, Aug 19, 2010 at 12:57:06PM +0300, Tony Lindgren wrote: >> > > > > Looks like something is not quite right with smp_on_up part of __fixup_smp, >> > > > > returning early before smp_on_up does not produce that. >> > > > >> > > > It's probably overwriting some register it shouldn't be. ?I might be >> > > > able to look at this sometime during the coming week... assuming that >> > > > the weather is as bad as they forecast and I have 'net connectivity. >> > >> > This seems to fix it. >> >> Thanks, merged that into my original patch - so here it is again with >> everything updated. > > Your patch sure makes things simpler! The problem still is the > V6 vs V7 SMP code though. > > Will post my six patches that apply on top of your patch as a reply to > this mail. With those, everything seems to work, at least after testing > on omap3630 (Cortex-A8 UP) and omap4430 (Cortex-A9 SMP). Awesome, where can get those finalize the patches for testing? After that I can test our Ubuntu kernel on both boards. Thanks, -Bryan