From: horms@verge.net.au (Simon Horman) Date: Fri, 23 Jul 2010 17:01:22 +0900 Subject: ARM Kernel autobuilder In-Reply-To: References: <20100722111412.GB10399@kyllikki.org> <20100722132400.GR31293@n2100.arm.linux.org.uk> <20100723040454.GA30291@verge.net.au> Message-ID: <20100723080119.GA15673@verge.net.au> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Jul 23, 2010 at 10:59:18AM +0530, Shilimkar, Santosh wrote: > > -----Original Message----- > > From: Simon Horman [mailto:horms at verge.net.au] > > Sent: Friday, July 23, 2010 9:35 AM > > To: Shilimkar, Santosh > > Cc: Russell King - ARM Linux; Vincent Sanders; linux-arm- > > kernel at lists.infradead.org > > Subject: Re: ARM Kernel autobuilder > > > > On Thu, Jul 22, 2010 at 07:11:05PM +0530, Shilimkar, Santosh wrote: > > > On Thu, Jul 22, 1010 at 6:54 PM, Russell King - ARM Linux wrote: > > > > On Thu, Jul 22, 2010 at 12:14:12PM +0100, Vincent Sanders wrote: > > > > > Can I propose now the omap3_defconfig is working that the duplicate > > > > > defconfigs are removed, these are: > > > > > > > > > > cm_t35_defconfig > > > > > devkit8000_defconfig > > > > > igep0020_defconfig > > > > > rx51_defconfig > > > > > omap3_beagle_defconfig > > > > > omap3_evm_defconfig > > > > > am3517_evm_defconfig > > > > > omap_4430sdp_defconfig > > > > > omap_ldp_defconfig > > > > > omap3_pandora_defconfig > > > > > omap3_stalker_lks_defconfig > > > > > omap_apollon_2420_defconfig > > > > > omap_h4_2420_defconfig > > > > > omap_2430sdp_defconfig > > > > > omap_3430sdp_defconfig > > > > > omap_3630sdp_defconfig > > > > > omap3_touchbook_defconfig > > > > > omap_zoom2_defconfig > > > > > omap_zoom3_defconfig > > > > > overo_defconfig > > > > > > > > > > This would reduce the default configuration count to 156 > > > > > configurations. > > > > > > > > Linus lately appears to be more relaxed about this, and is in the mood > > > > for improvements in the situation, so yes this would be an > > improvement. > > > > It certainly would make things a little smaller, and allow kautobuild > > > > to run faster. > > > > > > > omap_4430sdp_defconfig is not duplicate. Please keep > > omap_4430sdp_defconfig because omap3_defconfig doen't includes SMP build. > > > > Are there any other reasons to keep omap_4430sdp_defconfig? > > SMP seems to be a weak argument to me, after all if I peek in to > > arch/x86/configs/ I don't see SMP and non-SMP variants. > OMAP4 is way different from OMAP3. > > OMAP3: > Coretex-A8 UP > Internal L2 cache > DSP System > IVHA > OMAP4 - > Cortex-A9, Dual Core > External L2 cache ( PL310) > New Interrupt controller(GIC) > New Memory subsystem (EMIF) > 3 Additional co-procesors > New DSS > IVHA2 > > Except ARMv7 architecture, there is not much common between these two SOCs Thanks for the clarification. Also, as Russell pointed out (which I didn't know), you can't boot an SMP kernel on a UP machine. So I now understand the significance of your original SMP build point.