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2014-04-12Merge branch 'for-linus' of ↵Linus Torvalds2-2/+0
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs updates from Al Viro: "The first vfs pile, with deep apologies for being very late in this window. Assorted cleanups and fixes, plus a large preparatory part of iov_iter work. There's a lot more of that, but it'll probably go into the next merge window - it *does* shape up nicely, removes a lot of boilerplate, gets rid of locking inconsistencie between aio_write and splice_write and I hope to get Kent's direct-io rewrite merged into the same queue, but some of the stuff after this point is having (mostly trivial) conflicts with the things already merged into mainline and with some I want more testing. This one passes LTP and xfstests without regressions, in addition to usual beating. BTW, readahead02 in ltp syscalls testsuite has started giving failures since "mm/readahead.c: fix readahead failure for memoryless NUMA nodes and limit readahead pages" - might be a false positive, might be a real regression..." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits) missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure kill generic_file_buffered_write() ocfs2_file_aio_write(): switch to generic_perform_write() ceph_aio_write(): switch to generic_perform_write() xfs_file_buffered_aio_write(): switch to generic_perform_write() export generic_perform_write(), start getting rid of generic_file_buffer_write() generic_file_direct_write(): get rid of ppos argument btrfs_file_aio_write(): get rid of ppos kill the 5th argument of generic_file_buffered_write() kill the 4th argument of __generic_file_aio_write() lustre: don't open-code kernel_recvmsg() ocfs2: don't open-code kernel_recvmsg() drbd: don't open-code kernel_recvmsg() constify blk_rq_map_user_iov() and friends lustre: switch to kernel_sendmsg() ocfs2: don't open-code kernel_sendmsg() take iov_iter stuff to mm/iov_iter.c process_vm_access: tidy up a bit ...
2014-04-07cpufreq: powernv: Select CPUFreq related Kconfig options for powernvGautham R. Shenoy2-0/+2
Enable CPUFreq for PowerNV. Select "performance", "powersave", "userspace" and "ondemand" governors. Choose "ondemand" to be the default governor. Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-04-01get rid of DEBUG_WRITECOUNTAl Viro2-2/+0
it only makes control flow in __fput() and friends more convoluted. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-03-24Merge remote-tracking branch 'scott/next' into nextBenjamin Herrenschmidt3-3/+0
Freescale updates from Scott. Mostly support for critical and machine check exceptions on 64-bit BookE, some new PCI suspend/resume work and misc bits.
2014-03-24powerpc: Use default set of netfilter modules (CONFIG_NETFILTER_ADVANCED=n)Anton Blanchard4-238/+8
Our netfilter options are stale and important things like masquerading are no longer enabled. Instead of trying to keep up with any updates, set CONFIG_NETFILTER_ADVANCED=n on ppc64* and pseries* defconfigs. This enables the most common netfilter modules for us. While here, enable the network bridge module which is heavily used in KVM setups. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-03-24powerpc/defconfigs: Enable THP in pseries defconfigAneesh Kumar K.V1-0/+2
We also set it to be enabled always. This helps in wider testing Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-03-19powerpc/config: Remove unnecssary CONFIG_FSL_IFCPrabhakar Kushwaha3-3/+0
CONFIG_FSL_IFC gets enabled by Kconfig dependancies. So remove unnecssary define from the defconfigs Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
2014-03-07powerpc: Delete old PrPMC 280/2800 supportPaul Gortmaker1-107/+0
This processor/memory module was mostly used on ATCA blades and before that, on cPCI blades. It wasn't really user friendly, with custom non u-boot bootloaders (powerboot/motload) and no real way to recover corrupted boot flash (which was a common problem). As such, it had its day back before the big ppc --> powerpc move to device trees, and that was largely through commercial BSPs that started to dry up around 2007. Systems using one were largely in a "deploy and sustain" mode, so interest in upgrading to new kernels in the field was nil. Also, requiring 50A, 48V power supplies and a 2'x2'x2' ATCA chassis largely rules out any hobbyist/enthusiast interest. The point of all this, is that we might as well delete the in kernel files relating to this platform. No point in continuing to build it via walking the defconfigs or via linux-next testing. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-03-07powerpc: : Kill CONFIG_MTD_PARTITIONS송은봉52-52/+0
This patch removes CONFIG_MTD_PARTITIONS in config files for powerpc. Because CONFIG_MTD_PARTITIONS was removed by commit 6a8a98b22b10f1560d5f90aded4a54234b9b2724. Signed-off-by: Eunbong Song <eunb.song@samsung.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-01-15Merge remote-tracking branch 'scott/next' into nextBenjamin Herrenschmidt9-188/+155
Freescale updates from Scott: << Highlights include 32-bit booke relocatable support, e6500 hardware tablewalk support, various e500 SPE fixes, some new/revived boards, and e6500 deeper idle and altivec powerdown modes. >>
2014-01-15powerpc: add SATA_MV to ppc64_defconfigOlof Johansson1-0/+1
This makes ppc64_defconfig bootable without initrd on pasemi systems, most of whom have MV SATA controllers. Some have SIL24, but that driver is already enabled. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-01-09powerpc/embedded6xx: Add support for Motorola/Emerson MVME5100Stephen Chivers1-0/+144
Add support for the Motorola/Emerson MVME5100 Single Board Computer. The MVME5100 is a 6U form factor VME64 computer with: - A single MPC7410 or MPC750 CPU - A HAWK Processor Host Bridge (CPU to PCI) and MultiProcessor Interrupt Controller (MPIC) - Up to 500Mb of onboard memory - A M48T37 Real Time Clock (RTC) and Non-Volatile Memory chip - Two 16550 compatible UARTS - Two Intel E100 Fast Ethernets - Two PCI Mezzanine Card (PMC) Slots - PPCBug Firmware The HAWK PHB/MPIC is compatible with the MPC10x devices. There is no onboard disk support. This is usually provided by installing a PMC in first PMC slot. This patch revives the board support, it was present in early 2.6 series kernels. The board support in those days was by Matt Porter of MontaVista Software. CSC Australia has around 31 of these boards in service. The kernel in use for the boards is based on 2.6.31. The boards are operated without disks from a file server. This patch is based on linux-3.13-rc2 and has been boot tested. Only boards with 512 Mb of memory are known to work. Signed-off-by: Stephen Chivers <schivers@csc.com> Tested-by: Alessio Igor Bogani <alessio.bogani@elettra.eu> Signed-off-by: Scott Wood <scottwood@freescale.com>
2014-01-07powerpc 8xx: defconfig: slice by 4 is more efficient than the default slice ↵LEROY Christophe5-0/+5
by 8 on Powerpc 8xx. On PPC_8xx, CRC32_SLICEBY4 is more efficient (almost twice) than CRC32_SLICEBY8, as shown below: With CRC32_SLICEBY8: [ 1.109204] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64 [ 1.114401] crc32: self tests passed, processed 225944 bytes in 15118910 nsec [ 1.130655] crc32c: CRC_LE_BITS = 64 [ 1.134235] crc32c: self tests passed, processed 225944 bytes in 4479879 nsec With CRC32_SLICEBY4: [ 1.097129] crc32: CRC_LE_BITS = 32, CRC_BE BITS = 32 [ 1.101878] crc32: self tests passed, processed 225944 bytes in 8616242 nsec [ 1.116298] crc32c: CRC_LE_BITS = 32 [ 1.119607] crc32c: self tests passed, processed 225944 bytes in 3289576 nsec Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Scott Wood <scottwood@freescale.com>
2014-01-07powerpc/85xx: Merge 85xx/p1023_defconfig into mpc85xx_smp and mpc85xxLijun Pan3-188/+6
mpc85xx_smp_defconfig and mpc85xx_defconfig already have CONFIG_P1023RDS=y. Merge CONFIG_P1023RDB=y and other relevant configurations into mpc85xx_smp_defconfig and mpc85_defconfig. Signed-off-by: Lijun Pan <Lijun.Pan@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-12-10powerpc/52xx: Re-enable bestcomm driver in defconfigsAnatolij Gustschin6-6/+12
The bestcomm driver has been moved to drivers/dma, so to select this driver by default additionally CONFIG_DMADEVICES has to be enabled. Currently it is not enabled in the config despite existing CONFIG_PPC_BESTCOMM=y in the config files. Fix it. Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-12-10powerpc/pasemi: Turn on devtmpfs in defconfigOlof Johansson1-4/+3
At least some distros expect it these days; turn it on. Also, random churn from doing a savedefconfig for the first time in a year or so. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-11-21powerpc: Add pseries_le_defconfigAnton Blanchard1-0/+352
Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-10-30powerpc: Enable virtio on ppc64 and pseries configsAnton Blanchard2-0/+12
Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-10-30powerpc: Enable multipath modules on ppc64 and pseriesAnton Blanchard2-0/+12
Enable a few modules required to boot on a POWER multipath box. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-10-30powerpc: sync ppc64, ppc64e and pseries configsAnton Blanchard3-30/+8
Run savedefconfig over the ppc64, ppc64e and pseries config Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-10-28powerpc/6xx: CONFIG_MCU_MPC8349EMITX cannot be a moduleChristian Kujau1-1/+1
During "make ppc6xx_defconfig" the following happens: HOSTCC scripts/basic/fixdep GEN /usr/local/src/tmp/lnx/Makefile HOSTCC scripts/kconfig/conf.o HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf arch/powerpc/configs/ppc6xx_defconfig:74:warning: symbol value 'm' invalid for MCU_MPC8349EMITX Setting CONFIG_MCU_MPC8349EMITX=y in ppc6xx_defconfig makes the warning go away. This too has been reported by Geert Uytterhoeven a long time ago: https://lkml.org/lkml/2011/11/13/11 - I only came across this because I needed a "clean" defconfig for this Powerbook G5. Signed-off-by: Christian Kujau <lists@nerdbynature.de> [scottwood@freescale.com: cleaned up commit message slightly] Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-10-28powerpc/85xx: use one kernel option for all the CoreNet_Generic boardsKevin Hao3-10/+3
Currently all these boards use the same machine struct and also select the same kernel options, so it seems a bit of redundant to keep one separate kernel option for each board. Also update the defconfigs according to this change. Signed-off-by: Kevin Hao <haokexin@gmail.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-10-28powerpc/fsl/defconfig: enable CONFIG_AT803X_PHYShengzhou Liu3-0/+3
Enable CONFIG_AT803X_PHY to support AR8030/8033/8035 PHY. Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-08-23powerpc/85xx: Add C293PCIE board supportMingkai Hu2-0/+2
C293PCIE board is a series of Freescale PCIe add-in cards to perform as public key crypto accelerator or secure key management module. - 512KB platform SRAM in addition to 512K L2 Cache/SRAM - 512MB soldered DDR3 32bit memory - CPLD System Logic - 64MB x16 NOR flash and 4GB x8 NAND flash - 16MB SPI flash Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com> Signed-off-by: Po Liu <Po.Liu@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-08-23powerpc/85xx: Add P1023RDB board supportChunhe Lan1-3/+21
P1023RDB Specification: ----------------------- Memory subsystem: 512MB DDR3 (Fixed DDR on board) 64MB NOR flash 128MB NAND flash Ethernet: eTSEC1: Connected to Atheros AR8035 GETH PHY eTSEC2: Connected to Atheros AR8035 GETH PHY PCIe: Three mini-PCIe slots USB: Two USB2.0 Type A ports I2C: AT24C08 8K Board EEPROM (8 bit address) Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com> Cc: Scott Wood <scottwood@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-08-14powerpc/mpc85xx: Only emulate the unimplemented FP instructions on corenet64Kevin Hao1-0/+1
We have split the math emulation into two parts. This makes it possible to just emulate the unimplemented floating point instructions on these boards. Signed-off-by: Kevin Hao <haokexin@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-08-14powerpc/85xx: Enable the math emulation for the corenet64_smp_defconfigKevin Hao1-0/+1
I got the following error on my t4240qds board. ntpd[2713]: unhandled signal 4 at 0fd5b448 nip 0fd5b448 lr 0fd5b424 code 30001 The root cause is that the float point instruction 'fsqrt' is used. But this instruction is not implemented on e6500 core. Even this does seem a gcc bug, I would like to enable the math emulation in the kernel to workaround this kind of issue. Signed-off-by: Kevin Hao <haokexin@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-08-09Merge remote-tracking branch 'scott/next' into nextBenjamin Herrenschmidt6-0/+6
Merge some Freescale updates from Scott Wood
2013-08-07powerpc/fsl: Enable CONFIG_DEVTMPFS_MOUNT so /dev can be mounted correctlyZhenhua Luo6-0/+6
When using recent udev, the /dev node mount requires CONFIG_DEVTMPFS_MOUNT is enabled in Kernel. The patch enables the option in defconfig of Freescale QorIQ targets. Changed defconfig list: arch/powerpc/configs/85xx/p1023rds_defconfig arch/powerpc/configs/corenet32_smp_defconfig arch/powerpc/configs/corenet64_smp_defconfig arch/powerpc/configs/mpc85xx_smp_defconfig arch/powerpc/configs/mpc85xx_defconfig arch/powerpc/configs/mpc83xx_defconfig Signed-off-by: Zhenhua Luo <zhenhua.luo@freescale.com> [scottwood@freescale.com: added mpc83xx and non-smp mpc85xx] Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-07-25PCI: hotplug: Convert to be builtin only, not modularBjorn Helgaas3-3/+3
Convert CONFIG_HOTPLUG_PCI from tristate to bool. This only affects the hotplug core; several of the hotplug drivers can still be modules. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Yinghai Lu <yinghai@kernel.org>
2013-07-02Merge remote-tracking branch 'agust/next' into nextBenjamin Herrenschmidt1-17/+10
From Anatolij: "There are small cleanups and fixes for mpc512x common code, mpc512x_defconfig updates and soft reboot support for mpc5125 based boards."
2013-07-02Merge remote-tracking branch 'scott/next' into nextBenjamin Herrenschmidt1-0/+1
Merge Freescale updates
2013-07-01powerpc/fsl: Enable CONFIG_E1000E in mpc85xx_smp_defconfigChunhe Lan1-0/+1
On the most boards of Freescale platform, they use the PCI-Express Intel(R) PRO/1000 gigabit ethernet card to work. So enable the corresponding driver for it. Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-06-25powerpc/pseries: Enable PSTORE in pseries_defconfigAruna Balakrishnaiah1-0/+1
Since now we have pstore support for nvram in pseries, enable it in the default config. With this config option enabled, pstore infra-structure will be used to read/write the messages from/to nvram. Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com> Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-06-25powerpc/mpc512x: enable USB support in defconfigAnatolij Gustschin1-0/+7
Enable USB EHCI, mass storage and USB gadget support. Signed-off-by: Anatolij Gustschin <agust@denx.de>
2013-06-25powerpc/mpc512x: commit re-generated defconfigGerhard Sittig1-17/+3
This patch does not change the content, it merely re-orders configuration items and drops explicit options which already apply as the default. Signed-off-by: Gerhard Sittig <gsi@denx.de> Signed-off-by: Anatolij Gustschin <agust@denx.de>
2013-06-20powerpc: Update default configurationsAlistair Popple6-0/+12
Update default configurations for systems with CONFIG_BOOTX_TEXT selected so that they continue to print early debug messages as is currently the case. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-05-15USB: remove remaining instances of USB_SUSPENDAlan Stern1-1/+0
Commit 84ebc10294a3d7be4c66f51070b7aedbaa24de9b (USB: remove CONFIG_USB_SUSPEND option) failed to remove all of the usages of USB_SUSPEND throughout the kernel. This patch (as1677) removes the remaining instances of that symbol. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-30Merge remote-tracking branch 'kumar/next' into nextBenjamin Herrenschmidt3-10/+108
From Kumar Gala: << Add support for T4 and B4 SoC families from Freescale, e6500 altivec support, some various board fixes and other minor cleanups. >>
2013-04-30Merge remote-tracking branch 'agust/next' into nextBenjamin Herrenschmidt1-1/+1
From Anatolij Gustschin: << There are some changes for mpc5121 generic platform code to support mpc5125 SoC and DTS files for ac14xx and MPC5125-TWR boards. >>
2013-04-18powerpc/ps3: Update ps3_defconfigGeoff Levand1-1/+1
Refresh and set CONFIG_RD_LZMA=y. Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
2013-04-11powerpc/85xx: enable Silicon image 3132 PCIe to SATA controllerRoy ZANG2-0/+2
Some 85xx board, for example, P1020RDB-PC has on board silicon image PCIe to SATA controller and when booting up, the filesystem will auto mount to the SATA disk. So enable silicon image 3132 pcie to sata controller by default Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2013-04-10powerpc/85xx: Update corenet64_smp_defconfig for B4_QDSShaveta Leekha1-0/+1
Signed-off-by: Shaveta Leekha <shaveta@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2013-04-01powerpc/512x: move mpc5121_generic platform to mpc512x_generic.Matteo Facchinetti1-1/+1
This provides a base for using 512x_generic platform on mpc5125 boards. By this way 512x_GENERIC it could be used for all generic mpc512x boards and kernel could be compiled with mpc512x_defconfig. Signed-off-by: Matteo Facchinetti <matteo.facchinetti@sirius-es.it> [agust: applied s/mpc5121/mpc512x in mpc512x_generic.c] Signed-off-by: Anatolij Gustschin <agust@denx.de>
2013-03-18powerpc: add CONFIG(s) require for using flash controllerPrabhakar Kushwaha3-1/+96
Add CONFIG(s) required for NAND and NOR flash controller usage. It defines MTD, Jffs2 and UBIFS file system required for controllers. It also enables IFC controller Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2013-03-15powerpc/85xx: enable E1000 NIC to mpc85xx_defconfigRoy Zang1-4/+4
E1000 NIC is a common used Ethernet card. Enable it as default for mpc85xx platform. other change is due to make savedefconfig Reported-by: Fu Jiwei <b36666@freescale.com> Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2013-03-12powerpc/85xx: add CONFIG_E1000E to corenet64_smp_defconfigScott Wood1-0/+1
This is a commonly used ethernet card, especially with mainline kernels which lack datapath support. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2013-03-12powerpc/85xx: Update corenet64_smp_defconfig for T4240Kumar Gala1-5/+4
* Add support for up to 24 cores on T4240 (includes threads) * Enable AltiVec support (on T4240) * Add T4240QDS board into build * Other changes are due to general kernel update of defconfig Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2013-02-23Merge branch 'next' of ↵Linus Torvalds16-293/+196
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull powerpc updates from Benjamin Herrenschmidt: "So from the depth of frozen Minnesota, here's the powerpc pull request for 3.9. It has a few interesting highlights, in addition to the usual bunch of bug fixes, minor updates, embedded device tree updates and new boards: - Hand tuned asm implementation of SHA1 (by Paulus & Michael Ellerman) - Support for Doorbell interrupts on Power8 (kind of fast thread-thread IPIs) by Ian Munsie - Long overdue cleanup of the way we handle relocation of our open firmware trampoline (prom_init.c) on 64-bit by Anton Blanchard - Support for saving/restoring & context switching the PPR (Processor Priority Register) on server processors that support it. This allows the kernel to preserve thread priorities established by userspace. By Haren Myneni. - DAWR (new watchpoint facility) support on Power8 by Michael Neuling - Ability to change the DSCR (Data Stream Control Register) which controls cache prefetching on a running process via ptrace by Alexey Kardashevskiy - Support for context switching the TAR register on Power8 (new branch target register meant to be used by some new specific userspace perf event interrupt facility which is yet to be enabled) by Ian Munsie. - Improve preservation of the CFAR register (which captures the origin of a branch) on various exception conditions by Paulus. - Move the Bestcomm DMA driver from arch powerpc to drivers/dma where it belongs by Philippe De Muyter - Support for Transactional Memory on Power8 by Michael Neuling (based on original work by Matt Evans). For those curious about the feature, the patch contains a pretty good description." (See commit db8ff907027b: "powerpc: Documentation for transactional memory on powerpc" for the mentioned description added to the file Documentation/powerpc/transactional_memory.txt) * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (140 commits) powerpc/kexec: Disable hard IRQ before kexec powerpc/85xx: l2sram - Add compatible string for BSC9131 platform powerpc/85xx: bsc9131 - Correct typo in SDHC device node powerpc/e500/qemu-e500: enable coreint powerpc/mpic: allow coreint to be determined by MPIC version powerpc/fsl_pci: Store the pci ctlr device ptr in the pci ctlr struct powerpc/85xx: Board support for ppa8548 powerpc/fsl: remove extraneous DIU platform functions arch/powerpc/platforms/85xx/p1022_ds.c: adjust duplicate test powerpc: Documentation for transactional memory on powerpc powerpc: Add transactional memory to pseries and ppc64 defconfigs powerpc: Add config option for transactional memory powerpc: Add transactional memory to POWER8 cpu features powerpc: Add new transactional memory state to the signal context powerpc: Hook in new transactional memory code powerpc: Routines for FP/VSX/VMX unavailable during a transaction powerpc: Add transactional memory unavaliable execption handler powerpc: Add reclaim and recheckpoint functions for context switching transactional memory processes powerpc: Add FP/VSX and VMX register load functions for transactional memory powerpc: Add helper functions for transactional memory context switching ...
2013-02-19Merge remote-tracking branch 'kumar/next' into nextBenjamin Herrenschmidt3-4/+86
<< Mostly misc code cleanups in various board ports and adding support for a new MPC85xx board - ppa8548. >>
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-30 13:46:09 +0000