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* powerpc: Enable squashfs as a moduleAnton Blanchard2011-12-07
| | | | | | | | Most distros use it so we may as well enable it and get regular compile testing. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Add KVM as module to defconfigsMichael Neuling2011-11-07
| | | | | | | | | | | | | | Add HV mode KVM to Book3 server 64bit defconfigs as a module. Doesn't add much to the size: text data bss dec hex filename 8244109 4686767 994000 13924876 d47a0c vmlinux.vanilla 8256092 4691607 994128 13941827 d4bc43 vmlinux.kvm This should enable more testing of this configuration. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Enable lockup and hung task detectors in pseries and ppc64 defeconfigsAnton Blanchard2011-07-19
| | | | | | | | | | As a result of changes to Kconfig files, we no longer enable the lockup and hung task detectors. Both are very light weight and provide useful information in the event of a hang, so reenable them. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Add mpt2sas driver to pseries and ppc64 defconfigAnton Blanchard2011-07-19
| | | | | | | Add mpt2sas driver to pseries and ppc64 defconfig. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/pseries: remove duplicate SCSI_BNX2_ISCSI in pseries_defconfigMichael Neuling2011-06-28
| | | | | | | | | | | | Remove duplicate assignment of SCSI_BNX2_ISCSI in pseries_defconfig introduced by: 37e0c21e powerpc/pseries: Enable iSCSI support for a number of cards causes warning: arch/powerpc/configs/pseries_defconfig:151:warning: override: reassigning to symbol SCSI_BNX2_ISCSI Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* cgroup: remove the ns_cgroupDaniel Lezcano2011-05-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ns_cgroup is an annoying cgroup at the namespace / cgroup frontier and leads to some problems: * cgroup creation is out-of-control * cgroup name can conflict when pids are looping * it is not possible to have a single process handling a lot of namespaces without falling in a exponential creation time * we may want to create a namespace without creating a cgroup The ns_cgroup was replaced by a compatibility flag 'clone_children', where a newly created cgroup will copy the parent cgroup values. The userspace has to manually create a cgroup and add a task to the 'tasks' file. This patch removes the ns_cgroup as suggested in the following thread: https://lists.linux-foundation.org/pipermail/containers/2009-June/018616.html The 'cgroup_clone' function is removed because it is no longer used. This is a userspace-visible change. Commit 45531757b45c ("cgroup: notify ns_cgroup deprecated") (merged into 2.6.27) caused the kernel to emit a printk warning users that the feature is planned for removal. Since that time we have heard from XXX users who were affected by this. Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr> Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Jamal Hadi Salim <hadi@cyberus.ca> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Acked-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* powerpc/pseries: Enable iSCSI support for a number of cardsAnton Blanchard2011-05-19
| | | | | | | | Enable iSCSI support for a number of cards. We had the base networking devices enabled but forgot to enable iSCSI. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/pseries: Enable Emulex and Qlogic 10Gbit cardsAnton Blanchard2011-05-19
| | | | | | | Enable the Qlogic and Emulex 10Gbit adapters. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/pseries: Enable Chelsio network and iWARP driversAnton Blanchard2011-03-29
| | | | | | | | Ensure the Chelsio T3/T4 network drivers and iWARP drivers are enabled in the pseries config. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/pseries: Add BNX2=m to defconfigNishanth Aravamudan2011-01-20
| | | | | | | | | Upcoming servers will include a Broadcom NIC, add to the defconfig to increase testing coverage and make sure mainline builds come up with networking. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Enable 64kB pages and 1024 threads in pseries configAnton Blanchard2011-01-20
| | | | | | | | | - Enable 64kB pages so it gets some regular testing. - The largest POWER7 has 1024 threads so bump NR_CPUS it to match. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Disable mcount tracers in pseries defconfigAnton Blanchard2011-01-20
| | | | | | | | IRQSOFF_TRACER and STACK_TRACER force the kernel to be built with -pg which is a substantial overhead. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Trim defconfigsBenjamin Herrenschmidt2010-08-08
| | | | | | This trims all our defconfigs using make savedefconfig Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Disable CONFIG_SYSFS_DEPRECATEDGrant Likely2010-06-15
| | | | | | | | | | | | Acked-by: Grant Likely <grant.likely@secretlab.ca> On 5 May 2010 21:33, "Anton Blanchard" <anton@samba.org> wrote: CONFIG_SYSFS_DEPRECATED can cause issues with newer distros and should not be required for any distro in the last 3 or 4 years, so disable it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Build-in e1000e for pseries & ppc64_defconfigMichael Neuling2010-05-21
| | | | | | | | The e1000e device is becoming more common these days, so let's just build it in for pseries & ppc64_defconfig. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Reduce differences between pseries and ppc64 defconfigsAnton Blanchard2010-02-08
| | | | | | | | | | | | The pseries and ppc64 defconfigs have drifted apart over the years. Reduce some of the differences while still keeping the idea that the ppc64 defconfig is cross platform but enables fewer features than pseries, eg NR_CPUS is lower. Also enable a number of common adapters as modules. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/defconfigs: Set HZ=100 on pseries and ppc64 defconfigsAnton Blanchard2009-12-17
| | | | | | | | | | | | | | | | | | | | Now we have high res timers there is less of a reason for a high HZ value. Furthermore I think there a few reasons we should reduce HZ to 100: - Timer interrupt overhead. While this overhead is small, there are applications that are very sensitive to jitter (eg some HPC apps). - Issues with the timer wheel code. When coming out of NO_HZ idle we work our way through the timer code one tick at a time. If we have been idle a long time, this adds up - I sometimes see milliseconds of time spent in that loop. Long term we should fix the timer wheel algorithm, but for now if we reduce HZ then we reduce the amount of work the timer code has to do when coming out of idle. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/defconfigs: Disable token ring in powerpc defconfigsAnton Blanchard2009-12-17
| | | | | | | | Token what? Lets save some space in our powerpc kernels and remove token ring support. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/defconfigs: Reduce 64bit vmlinux by making acenic and cramfs modulesAnton Blanchard2009-12-17
| | | | | | | | | | | | | | Machines with acenic adapters are rare these days, so we may as well make it a module. Cramfs is also very rarely used so we can make it a module. Together this saves 143kB on a 64bit compile: text data bss dec hex filename 8247176 1729404 1221988 11198568 aae068 vmlinux~ 8134997 1727588 1188836 11051421 a8a19d vmlinux Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Disable HCALL_STATS by defaultAnton Blanchard2009-10-28
| | | | | | | | | | | The overhead of HCALL_STATS is quite high and the functionality is very rarely used. Key statistics are also missing (eg min/max). With the new hcall tracepoints much more powerful tracing can be done in a kernel module. Lets disable this by default. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc/pseries: Enable relay in pseries_defconfigAnton Blanchard2009-04-07
| | | | | | | | Enable relay in pseries config, ppc64_defconfig had it enabled but pseries did not. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* eeprom: More consistent symbol namesJean Delvare2009-01-26
| | | | | | | | | | | | Now that all EEPROM drivers live in the same place, let's harmonize their symbol names. Also fix eeprom's dependencies, it definitely needs sysfs, and is no longer experimental after many years in the kernel tree. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Cc: David Brownell <dbrownell@users.sourceforge.net>
* powerpc: Update desktop/server defconfigsPaul Mackerras2008-11-11
| | | | | | | | Turned off CONFIG_PCI_LEGACY and turned on EXT4, and otherwise mostly took the defaults. This also updates ppc6xx_defconfig, which covers the 6xx/7xx/7xxx-based embedded boards. Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Update defconfigs for most non-embedded platformsPaul Mackerras2008-08-25
| | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Add driver for Barrier Synchronization RegisterSonny Rao2008-07-14
| | | | | | | | | | | | Adds a character driver for BSR support on IBM POWER systems including Power5 and Power6. The BSR is an optional processor facility not currently implemented by any other processors. It's primary purpose is fast large SMP synchronization. More details on the BSR are in comments to the code which follows. This patch adds BSR driver to pseries_defconfig. Signed-off-by: Sonny Rao <sonnyrao@linux.vnet.ibm.com> Signed-off-by: Joel Schopp <jschopp@austin.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* [POWERPC] Update defconfigs for desktop/server systemsPaul Mackerras2008-05-20
| | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Remove CONFIG_PCI_LEGACY from some configsStephen Rothwell2008-04-06
| | | | | | | | This will remove some build warnings and doesn't stop us building any drivers that we were building previously with these configs. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Update some defconfigsPaul Mackerras2008-03-19
| | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Update defconfigsPaul Mackerras2007-12-06
| | | | | | | | | | | This updates all the defconfigs in arch/powerpc/configs except iseries and ps3, which were updated by the preceding commits. This mostly takes the defaults, except that I turned on tickless idle and high-resolution timers for everything, and turned off instrumentation support and "Fair group CPU scheduler" for the smaller/embedded platforms. Signed-off-by: Paul Mackerras <paulus@samba.org>
* task cgroups: enable cgroups by default in some configsPaul Jackson2007-10-19
| | | | | | | | | In pre-cgroup cpusets, a few config files enabled cpusets by default. Signed-off-by: Paul Jackson <pj@sgi.com> Cc: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [POWERPC] Enable NO_HZ and high res timers for pseries and ppc64 configsAnton Blanchard2007-10-17
| | | | | | | Enable NO_HZ and high res timers for the ppc64 and pseries defconfigs. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Enable SLUB in *_defconfigAnton Blanchard2007-10-17
| | | | | | | | | | | | | | | | | | | | | | | | | When checking out the new NO_HZ support in powerpc, I noticed we never slept for more than 2 seconds. It turns out SLAB has a 2 second per cpu timer that causes this. After switching to SLUB I see some nice 4 second sleeps which is the limit on this POWER6 box (the decrementer ticks at 512MHz): slept 4.19 sec slept 4.19 sec slept 4.19 sec slept 4.19 sec slept 3.96 sec slept 3.80 sec slept 2.99 sec Since SLUB is now the default and some powerpc defconfigs already enable it, lets enable SLUB across the board for consistency. While doing this I also noticed that the maple defconfig has SLAB debugging enabled which is sure to make your box nice and slow. Fix that too. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Update defconfigsPaul Mackerras2007-08-30
| | | Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Update defconfigsPaul Mackerras2007-06-26
| | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] use winbond libata instead of ide driver for pseries CD drivesOlaf Hering2007-02-16
| | | | | | | | | Change the default for the built-in IDE on p610/p615/p630 from ide to libata. libata has better error handling and the drive can recover when hald does its CD media polling. Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Update defconfigsPaul Mackerras2007-01-22
| | | | | | Mostly took the defaults, except tried to get the netfilter options more or less as they were before. Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] Reintroduce NODES_SPAN_OTHER_NODES for powerpcAndy Whitcroft2006-10-21
| | | | | | | | | | | | | | | | | | | | | | | Reintroduce NODES_SPAN_OTHER_NODES for powerpc Revert "[PATCH] Remove SPAN_OTHER_NODES config definition" This reverts commit f62859bb6871c5e4a8e591c60befc8caaf54db8c. Revert "[PATCH] mm: remove arch independent NODES_SPAN_OTHER_NODES" This reverts commit a94b3ab7eab4edcc9b2cb474b188f774c331adf7. Also update the comments to indicate that this is still required and where its used. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Mike Kravetz <kravetz@us.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Mel Gorman <mel@csn.ul.ie> Acked-by: Will Schmidt <will_schmidt@vnet.ibm.com> Cc: Christoph Lameter <clameter@sgi.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [POWERPC] Update pSeries defconfig for SATABrian King2006-10-06
| | | | | | | | Since the ipr driver now supports SATA and depends on libata, enable libata to get built. Signed-off-by: Brian King <brking@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] update powerpc defconfig files after libata kconfig breakageOlaf Hering2006-09-26
| | | | | | | | | Update defconfig files after libata .config breakage sed -i 's/CONFIG_SCSI_SATA_/CONFIG_SATA_/;s/CONFIG_SCSI_SATA/CONFIG_ATA/' arch/powerpc/configs/*g Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Update defconfigsPaul Mackerras2006-09-09
| | | Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] update {g5,iseries,pseries}_defconfigsWill Schmidt2006-08-17
| | | | | | | | | | | Updating the defconfigs for iseries, pseries, and G5. Sticking with the defaults, with the following exceptions: I've turned off HW_RANDOM for all three configs. For G5, I've enabled SND_AOA and friends as modules; this includes the FABRIC_LAYOUT, ONYX, TAS, TOONIE and SOUNDBUS* config options. Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Update pseries defconfigAnton Blanchard2006-06-15
| | | | | | | | | | | | | | pseries defconfig updates: - Enable jsm and re-enable qlogic FC drivers as modules. - Enable ocfs2, autofs4 and fuse filesystems as modules. - Enable Kprobes. - Enable ebus, binfmt_misc, sas attrs, md5 reshape, hvc rtas backend and some infiniband options. - Finally disable debug options: DEBUG_MUTEXES and DEBUG_STACK_USAGE. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: update {g5,iseries,pseries}_defconfigsWill Schmidt2006-04-21
| | | | | | | Default choices for all. Signed-off-by: Will Schmidt <willschm@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: Update {g5,pseries,ppc64}_defconfigOlof Johansson2006-02-23
| | | | | | | | | | | | Update defconfigs for g5, pseries and generic ppc64. Default choices for everything, with the following exceptions: * Enable WINDFARM_PM112 on g5 and ppc64. * Increase CONFIG_NR_CPUS to 4 in g5_defconfig * CONFIG_TIGON3=y instead of =m in g5_defconfig Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] e1000: Added disable packet split capabilityJesse Brandeburg2006-01-18
| | | | | | | | | Adds the ability to disability packet split at compile time and use the legacy receive path on PCI express hardware. Made this a CONFIG option and modified the Kconfig, to reflect the new option. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: John Ronciak <john.ronciak@intel.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* powerpc: update defconfigsPaul Mackerras2005-12-20
| | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] Remove SPAN_OTHER_NODES config definitionMike Kravetz2005-11-17
| | | | | | | | | | | | | The config option SPAN_OTHER_NODES was created so that we could make pSeries numa layouts work within the DISCONTIG memory model. Now that DISCONTIG has been replaced by SPARSEMEM, we can eliminate this option. I'll be sending a separate patch to Andrew to remove the arch independent code as pSeries was the only arch that needed this. Signed-off-by: Mike Kravetz <kravetz@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: update defconfigsBenjamin Herrenschmidt2005-11-15
| | | | | | | | | My patch moving ppc64 RTC to genrtc was supposed to update all defconfigs, but for some reason, the patch actually posted only had the pseries one... ouch. This patch properly updates all defconfigs. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] powerpc: kill ppc64 rtc.c, use genrtc insteadBenjamin Herrenschmidt2005-11-14
| | | | | | | | | | | This moves the rtas RTC callbacks to rtas-rtc.c in arch/powerpc/kernel, and kills the rest of arch/ppc64/kernel/rtc.c which was just a duplicate of the genrtc functionality. Also enable build of genrtc for CONFIG_PPC64 (it just works are we already have the required callbacks) and enable it in all defconfigs. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Copy default configs into arch/powerpc/configsMichael Ellerman2005-11-02
Copy default configs into arch/powerpc/configs, rename bpa_defconfig to cell_defconfig while we're at it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
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