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2013-04-30Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem update from James Morris: "Just some minor updates across the subsystem" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: ima: eliminate passing d_name.name to process_measurement() TPM: Retry SaveState command in suspend path tpm/tpm_i2c_infineon: Add small comment about return value of __i2c_transfer tpm/tpm_i2c_infineon.c: Add OF attributes type and name to the of_device_id table entries tpm_i2c_stm_st33: Remove duplicate inclusion of header files tpm: Add support for new Infineon I2C TPM (SLB 9645 TT 1.2 I2C) char/tpm: Convert struct i2c_msg initialization to C99 format drivers/char/tpm/tpm_ppi: use strlcpy instead of strncpy tpm/tpm_i2c_stm_st33: formatting and white space changes Smack: include magic.h in smackfs.c selinux: make security_sb_clone_mnt_opts return an error on context mismatch seccomp: allow BPF_XOR based ALU instructions. Fix NULL pointer dereference in smack_inode_unlink() and smack_inode_rmdir() Smack: add support for modification of existing rules smack: SMACK_MAGIC to include/uapi/linux/magic.h Smack: add missing support for transmute bit in smack_str_from_perm() Smack: prevent revoke-subject from failing when unseen label is written to it tomoyo: use DEFINE_SRCU() to define tomoyo_ss tomoyo: use DEFINE_SRCU() to define tomoyo_ss
2013-04-30Merge tag 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev Pull libata update from Jeff Garzik: - More ACPI fixes, cleanups - Minor cleanups for sata_highbank, pata_at32, pata_octeon_cf, sata_rcar - pata_legacy: small bug found in opti chipset code (untested fix, due to ancient h/w) - sata_fsl: RX water mark config knob, some h/w needs it - pata_imx: cleanups, DeviceTree support - SCSI<->ATA translator: properly export translator version, not device firmware version * tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: sata_highbank: Rename proc_name to the module name ACPI/libata: Restore libata.noacpi support [libata] acpi: make ata_ap_acpi_handle not block [libata] SCSI: really use SATL version in VPD pata_imx: add devicetree support pata_imx: use void __iomem * for regs pata_imx: cleanup error path pata_imx: Use devm_clk_get sata_rcar: Convert to devm_ioremap_resource() fsl/sata: create a sysfs entry for rx water mark libata-acpi: remove redundent code for power resource handling sata_highbank: make ahci_highbank_pm_ops static pata_octeon_cf: Use resource_size function pata_legacy: bogus clock in opti82c46x_set_piomode() pata_at32: use module_platform_driver_probe()
2013-04-30Merge tag 'pm+acpi-3.10-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management and ACPI updates from Rafael J Wysocki: - ARM big.LITTLE cpufreq driver from Viresh Kumar. - exynos5440 cpufreq driver from Amit Daniel Kachhap. - cpufreq core cleanup and code consolidation from Viresh Kumar and Stratos Karafotis. - cpufreq scalability improvement from Nathan Zimmer. - AMD "frequency sensitivity feedback" powersave bias for the ondemand cpufreq governor from Jacob Shin. - cpuidle code consolidation and cleanups from Daniel Lezcano. - ARM OMAP cpuidle fixes from Santosh Shilimkar and Daniel Lezcano. - ACPICA fixes and other improvements from Bob Moore, Jung-uk Kim, Lv Zheng, Yinghai Lu, Tang Chen, Colin Ian King, and Linn Crosetto. - ACPI core updates related to hotplug from Toshi Kani, Paul Bolle, Yasuaki Ishimatsu, and Rafael J Wysocki. - Intel Lynxpoint LPSS (Low-Power Subsystem) support improvements from Rafael J Wysocki and Andy Shevchenko. * tag 'pm+acpi-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (192 commits) cpufreq: Revert incorrect commit 5800043 cpufreq: MAINTAINERS: Add co-maintainer cpuidle: add maintainer entry ACPI / thermal: do not always return THERMAL_TREND_RAISING for active trip points ARM: s3c64xx: cpuidle: use init/exit common routine cpufreq: pxa2xx: initialize variables ACPI: video: correct acpi_video_bus_add error processing SH: cpuidle: use init/exit common routine ARM: S5pv210: compiling issue, ARM_S5PV210_CPUFREQ needs CONFIG_CPU_FREQ_TABLE=y ACPI: Fix wrong parameter passed to memblock_reserve cpuidle: fix comment format pnp: use %*phC to dump small buffers isapnp: remove debug leftovers ARM: imx: cpuidle: use init/exit common routine ARM: davinci: cpuidle: use init/exit common routine ARM: kirkwood: cpuidle: use init/exit common routine ARM: calxeda: cpuidle: use init/exit common routine ARM: tegra: cpuidle: use init/exit common routine for tegra3 ARM: tegra: cpuidle: use init/exit common routine for tegra2 ARM: OMAP4: cpuidle: use init/exit common routine ...
2013-04-30Merge tag 'for-v3.10' of git://git.infradead.org/battery-2.6Linus Torvalds
Pull battery updates from Anton Vorontsov: "Highlights: - OpenFirmware/DeviceTree support for the Power Supply core: the core now automatically populates supplied_from hierarchy from the device tree. With these patches chargers and batteries can now lookup each other without the board files support shim. Rhyland Klein at NVIDIA did the work - New ST-Ericsson ABX500 hwmon driver. The driver is heavily using the AB85xx core and depends on some recent changes to it, so that is why the driver comes through the battery tree. It has an appropriate ack from the hwmon maintainer (i.e. Guenter Roeck). Martin Persson at ST-Ericsson and Hongbo Zhang at Linaro authored the driver - Final bits to sync AB85xx ST-Ericsson changes into mainline. The changes touch mfd parts, but these were acked by the appropriate MFD maintainer (ie Samuel Ortiz). Lee Jones at Linaro did most of the work and lead the submission process. Minor changes, but still worth mentioning: - Battery temperature reporting fix for Nokia N900 phones - Versatile Express poweroff driver moved into drivers/power/reset/ - Tree-wide: use devm_kzalloc() where appropriate - Tree-wide: dev_pm_ops cleanups/fixes" * tag 'for-v3.10' of git://git.infradead.org/battery-2.6: (112 commits) pm2301-charger: Fix suspend/resume charger-manager: Use kmemdup instead of kzalloc + memcpy power_supply: Populate supplied_from hierarchy from the device tree power_supply: Add core support for supplied_from power_supply: Define Binding for power-supplies rx51_battery: Fix reporting temperature hwmon: Add ST-Ericsson ABX500 hwmon driver ab8500_bmdata: Export abx500_res_to_temp tables for hwmon ab8500_{bmdata,fg}: Add const attributes to some data arrays ab8500_bmdata: Eliminate CamelCase warning of some variables ab8500_btemp: Make ab8500_btemp_get* interfaces public goldfish_battery: Use resource_size() lp8788-charger: Use PAGE_SIZE for the sysfs read operation max8925_power: Use devm_kzalloc() da9030_battery: Use devm_kzalloc() da9052-battery: Use devm_kzalloc() ds2760_battery: Use devm_kzalloc() ds2780_battery: Use devm_kzalloc() gpio-charger: Use devm_kzalloc() isp1704_charger: Use devm_kzalloc() ...
2013-04-30sata_highbank: Rename proc_name to the module nameRobert Richter
mkinitrd looks at /sys/class/scsi_host/host$hostnum/proc_name to find the module name of a disk driver. Current name is "highbank-ahci" but the module is "sata_highbank". Rename it to match the module name. Cc: Rob Herring <rob.herring@calxeda.com> Cc: Alexander Graf <agraf@suse.de> Cc: <stable@vger.kernel.org> v3.7.. Signed-off-by: Robert Richter <robert.richter@calxeda.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2013-04-30ACPI/libata: Restore libata.noacpi supportLv Zheng
This patch restores libata.noacpi support to libata-acpi.c. There are broken optional control methods for ATA controller devices in the real world. The libata.noacpi has been used for a long time as a workaround to deal with issues caused by the broken ASL codes. 1. The "noacpi" option is introduced by the following commit: commit 11ef697b37e3c85ce1ac21f7711babf1f5b12784 Date: Thu, 28 Sep 2006 11:29:01 -0700 Subject: libata: ACPI and _GTF support 2. The "noacpi" option is renamed to "libata_noacpi" by the following commit: commit d7d0dad62a641c156386288a747c1a2f6bb2e42d Date: Wed, 28 Mar 2007 01:57:37 -0400 Subject: [libata] Disable ACPI by default; fix namespace problems 3. Some of its logics are changed over time - becomes relying on the "acpi_handle" bound to the ATA devices since this commit: commit fafbae87db88a73b166d3bc3294d209207f27056 Date: Tue, 15 May 2007 03:28:16 +0900 Subject: libata-acpi: implement ata_acpi_associate() 4. The option is deleted by the following commit: commit 30dcf76acc695cbd2fa919e294670fe9552e16e7 Date: Mon, 25 Jun 2012 16:13:04 +0800 Subject: libata: migrate ACPI code over to new bindings But the libata.noacpi setup is still left in the kernel without codes to implement it. So the deletion introduces a regression to the Linux. This patch disables ATA_ACPI support at runtime by stopping acpi binding on the ATA devices to fix this regression. This patch is tested by booting a SATA x86-64 kernel or a PATA x86 kernel with or without "libata.noacpi=1" kernel command line argument. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2013-04-30[libata] acpi: make ata_ap_acpi_handle not blockAaron Lu
Since commit 30dcf76acc, ata_ap_acpi_handle will always do a namespace walk, which requires acquiring an acpi namespace mutex. This made it impossible to be used when calling path has held a spinlock. For example, it can occur in the following code path for pata_acpi: ata_scsi_queuecmd (ap->lock is acquired) __ata_scsi_queuecmd ata_scsi_translate ata_qc_issue pacpi_qc_issue ata_acpi_stm ata_ap_acpi_handle acpi_get_child acpi_walk_namespace acpi_ut_acquire_mutex (acquire mutex while holding lock) This caused scheduling while atomic bug, as reported in bug #56781. Actually, ata_ap_acpi_handle doesn't have to walk the namespace every time it is called, it can simply return the bound acpi handle on the corresponding SCSI host. The reason previously it is not done this way is, ata_ap_acpi_handle is used in the binding function ata_acpi_bind_host by ata_acpi_gtm when the handle is not bound to the SCSI host yet. Since we already have the ATA port's handle in its binding function, we can simply use it instead of calling ata_ap_acpi_handle there. So introduce a new function __ata_acpi_gtm, where it will receive an acpi handle param in addition to the ATA port which is solely used for debug statement. With this change, we can make ata_ap_acpi_handle simply return the bound handle for SCSI host instead of walking the acpi namespace now. Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=56781 Reported-and-tested-by: <kenzopl@o2.pl> Cc: <stable@vger.kernel.org> Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2013-04-30Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull fixup for trivial branch from Jiri Kosina: "Unfortunately I made a mistake when merging into for-linus branch, and omitted one pre-requisity patch for a few other patches (which have been Acked by the appropriate maintainers) in the series. Mea culpa maxima, sorry for that." The trivial branch added %pSR usage before actually teaching vsnprintf() about the 'R' part of %pSR. The 'R' causes the symbol translation to do a "__builtin_extract_return_addr()" before symbol lookup. That said, on most architectures __builtin_extract_return_addr() isn't likely to do anything special, so it probably is not normally noticeable. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: vsprintf: Add extension %pSR - print_symbol replacement
2013-04-30vsprintf: Add extension %pSR - print_symbol replacementJoe Perches
print_symbol takes a long and converts it to a function name and offset. %pS does something similar, but doesn't translate the address via __builtin_extract_return_addr. %pSR does the translation. This will enable replacing multiple calls like printk(...); printk_symbol(addr); printk("\n"); with a single non-interleavable in dmesg printk("... %pSR\n", (void *)addr); Update documentation too. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-04-30Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull first round of SCSI updates from James "Jej B" Bottomley: "The patch set is mostly driver updates (qla4, qla2 [ISF support updates], lpfc, aacraid [dual firmware image support]) and a few bug fixes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (47 commits) [SCSI] iscsi_tcp: support PF_MEMALLOC/__GFP_MEMALLOC [SCSI] libiscsi: avoid unnecessary multiple NULL assignments [SCSI] qla4xxx: Update driver version to 5.03.00-k8 [SCSI] qla4xxx: Added print statements to display AENs [SCSI] qla4xxx: Use correct value for max flash node entries [SCSI] qla4xxx: Restrict logout from boot target session using session id [SCSI] qla4xxx: Use correct flash ddb offset for ISP40XX [SCSI] isci: add CONFIG_PM_SLEEP to suspend/resume functions [SCSI] scsi_dh_alua: Add module parameter to allow failover to non preferred path without STPG [SCSI] qla2xxx: Update the driver version to 8.05.00.03-k. [SCSI] qla2xxx: Obtain loopback iteration count from bsg request. [SCSI] qla2xxx: Add clarifying printk to thermal access fail cases. [SCSI] qla2xxx: Remove duplicated include form qla_isr.c [SCSI] qla2xxx: Enhancements to support ISPFx00. [SCSI] qla4xxx: Update driver version to 5.03.00-k7 [SCSI] qla4xxx: Replace dev type macros with generic portal type macros [SCSI] scsi_transport_iscsi: Declare portal type string macros for generic use [SCSI] qla4xxx: Add flash node mgmt support [SCSI] libiscsi: export function iscsi_switch_str_param [SCSI] scsi_transport_iscsi: Add flash node mgmt support ...
2013-04-30Merge branch 'for-next-merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target update from Nicholas Bellinger: "The highlights this round include: - Add fileio support for WRITE_SAME w/ UNMAP=1 discard (asias) - Add fileio support for UNMAP discard (asias) - Add tcm_vhost hotplug support to work with upstream QEMU vhost-scsi-pci code (asias + mst) - Check for aborted sequence in tcm_fc response path (mdr) - Add initial iscsit_transport support into iscsi-target code (nab) - Refactor iscsi-target RX PDU logic + export request PDU handling (nab) - Refactor iscsi-target TX queue logic + export response PDU creation (nab) - Add new iSCSI Extentions for RDMA (ISER) target driver (Or + nab) The biggest changes revolve around iscsi-target refactoring in order to support the iser-target driver. This includes the conversion of the iscsi-target data-path to use modern se_cmd->cmd_kref counting, and allowing transport independent aspects of RX/TX PDU request/response handling be shared across existing traditional iscsi-target code, and the new iser-target code. Thanks to Or Gerlitz + Mellanox for supporting the iser-target development effort!" * 'for-next-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (25 commits) iser-target: Add iSCSI Extensions for RDMA (iSER) target driver tcm_vhost: Enable VIRTIO_SCSI_F_HOTPLUG tcm_vhost: Add ioctl to get and set events missed flag tcm_vhost: Add hotplug/hotunplug support tcm_vhost: Refactor the lock nesting rule tcm_fc: Check for aborted sequence iscsi-target: Add iser network portal attribute iscsi-target: Refactor TX queue logic + export response PDU creation iscsi-target: Refactor RX PDU logic + export request PDU handling iscsi-target: Add per transport iscsi_cmd alloc/free iscsi-target: Add iser-target parameter keys + setup during login iscsi-target: Initial traditional TCP conversion to iscsit_transport iscsi-target: Add iscsit_transport API template target: Add export of target_get_sess_cmd symbol target: Change default sense key of NOT_READY target/file: Set is_nonrot attribute target: Add sbc_execute_unmap() helper target/iblock: Add iblock_do_unmap() helper target/file: Add fd_do_unmap() helper target/file: Add UNMAP emulation support ...
2013-04-30Merge tag 'dlm-3.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm Pull dlm update from David Teigland: "This includes a single patch to avoid fully processing a posix unlock from close when no posix locks exist on the file" * tag 'dlm-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: dlm: avoid unnecessary posix unlock
2013-04-30Merge tag 'nfs-for-3.10-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds
Pull NFS client bugfixes and cleanups from Trond Myklebust: - NLM: stable fix for NFSv2/v3 blocking locks - NFSv4.x: stable fixes for the delegation recall error handling code - NFSv4.x: Security flavour negotiation fixes and cleanups by Chuck Lever - SUNRPC: A number of RPCSEC_GSS fixes and cleanups also from Chuck - NFSv4.x assorted state management and reboot recovery bugfixes - NFSv4.1: In cases where we have already looked up a file, and hold a valid filehandle, use the new open-by-filehandle operation instead of opening by name. - Allow the NFSv4.1 callback thread to freeze - NFSv4.x: ensure that file unlock waits for readahead to complete - NFSv4.1: ensure that the RPC layer doesn't override the NFS session table size negotiation by limiting the number of slots. - NFSv4.x: Fix SETATTR spec compatibility issues * tag 'nfs-for-3.10-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (67 commits) NFSv4: Warn once about servers that incorrectly apply open mode to setattr NFSv4: Servers should only check SETATTR stateid open mode on size change NFSv4: Don't recheck permissions on open in case of recovery cached open NFSv4.1: Don't do a delegated open for NFS4_OPEN_CLAIM_DELEG_CUR_FH modes NFSv4.1: Use the more efficient open_noattr call for open-by-filehandle NFS: Retry SETCLIENTID with AUTH_SYS instead of AUTH_NONE NFSv4: Ensure that we clear the NFS_OPEN_STATE flag when appropriate LOCKD: Ensure that nlmclnt_block resets block->b_status after a server reboot NFSv4: Ensure the LOCK call cannot use the delegation stateid NFSv4: Use the open stateid if the delegation has the wrong mode nfs: Send atime and mtime as a 64bit value NFSv4: Record the OPEN create mode used in the nfs4_opendata structure NFSv4.1: Set the RPC_CLNT_CREATE_INFINITE_SLOTS flag for NFSv4.1 transports SUNRPC: Allow rpc_create() to request that TCP slots be unlimited SUNRPC: Fix a livelock problem in the xprt->backlog queue NFSv4: Fix handling of revoked delegations by setattr NFSv4 release the sequence id in the return on close case nfs: remove unnecessary check for NULL inode->i_flock from nfs_delegation_claim_locks NFS: Ensure that NFS file unlock waits for readahead to complete NFS: Add functionality to allow waiting on all outstanding reads to complete ...
2013-04-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmwLinus Torvalds
Pull GFS2 updates from Steven Whitehouse: "There is not a whole lot of change this time - there are some further changes which are in the works, but those will be held over until next time. Here there are some clean ups to inode creation, the addition of an origin (local or remote) indicator to glock demote requests, removal of one of the remaining GFP_NOFAIL allocations during log flushes, one minor clean up, and a one liner bug fix." * git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw: GFS2: Flush work queue before clearing glock hash tables GFS2: Add origin indicator to glock demote tracing GFS2: Add origin indicator to glock callbacks GFS2: replace gfs2_ail structure with gfs2_trans GFS2: Remove vestigial parameter ip from function rs_deltree GFS2: Use gfs2_dinode_out() in the inode create path GFS2: Remove gfs2_refresh_inode from inode creation path GFS2: Clean up inode creation path
2013-04-30Merge tag 'arm64-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 Pull arm64 update from Catalin Marinas: "Main features: - Versatile Express SoC (model) support - DT files and Kconfig entries (there are no arch/arm64/mach-* directories). The bulk of the code has already been moved to drivers/ as part of the ARM SoC clean-up. - Basic multi-cluster support (CPU logical map initialised from the DT) - Simple earlyprintk support for UART 8250/16550 and FastModel console output - Optimised kernel library bitops and string functions. - Automatic initialisation of the irqchip and clocks via DT" * tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: (26 commits) arm64: Use acquire/release semantics instead of explicit DMB arm64: klib: bitops: fix unpredictable stxr usage arm64: vexpress: Enable ARMv8 RTSM model (SoC) support arm64: vexpress: Add dts files for the ARMv8 RTSM models arm64: Survive invalid cpu enable-methods arm64: mm: Correct show_pte behaviour arm64: Fix compat types affecting struct compat_stat arm64: Execute DSB during thread switching for TLB/cache maintenance arm64: compiling issue, need add include/asm/vga.h file arm64: smp: honour #address-size when parsing CPU reg property arm64: Define cmpxchg64 and cmpxchg64_local for outside use arm64: Define readq and writeq for driver module using arm64: Fix task tracing arm64: add explicit symbols to ESR_EL1 decoding arm64: Use irqchip_init() for interrupt controller initialisation arm64: psci: Use the MPIDR values from cpu_logical_map for cpu ids. arm64: klib: Optimised atomic bitops arm64: klib: Optimised string functions arm64: klib: Optimised memory functions arm64: head: match all affinity levels in the pen of the secondaries ...
2013-04-30Merge tag 'metag-for-v3.10-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag Pull arch/metag update from James Hogan: - Various fixes for the interrupting perf counter handling in metag's perf backend. - Add OProfile support based on perf. - Sets up cache partitions for SMP so bootloader doesn't have to. - Patch from Paul Bolle to remove ARCH_POPULATES_NODE_MAP again (touches microblaze too). - Add TLS pointer regset to metag ptrace api. - Add exported metag DSP extended context handling header <asm/ech.h>. - Increase defconfig log buffer size to 128KiB. - Various fixes, typos, missing exports. * tag 'metag-for-v3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: metag: defconfigs: increase log buffer 8KiB => 128KiB metag: avoid unnecessary builtin dtb rebuilds metag: add exported <asm/ech.h> for extended context handling metag: export _metag_da_present and cpu_2_hwthread_id metag: ptrace: Implement NT_METAG_TLS memblock: Kill ARCH_POPULATES_NODE_MAP once more metag: cachepart: fix get_global_dcache_size() typo metag: cachepart: take into account small cache bits metag: smp: copy cache partition and enable GCOn metag: OProfile support metag: perf: prepare for use by oprofile metag: perf: don't reset TXTACTCYC metag: perf: use hard_processor_id() to get thread metag: perf: fix frequency sampling (dynamic period) metag: perf: add missing prev_count updates metag: perf: fixes for interrupting perf counters metag: perf: fix wrap handling in delta calculation metag: perf: fix core internal / perf channel mux
2013-04-30Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k update from Geert Uytterhoeven. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Remove inline strlen() implementation m68k/atari: USB - add platform devices for EtherNAT/NetUSBee ISP1160 HCD m68k: Implement ndelay() based on the existing udelay() logic m68k/atari: EtherNAT - add interrupt chip definition for CPLD interrupts m68k/atari: EtherNEC - add platform device support m68k/atari: EtherNAT - platform device and IRQ support code m68k/atari: use dedicated irq_chip for timer D interrupts m68k/atari: ROM port ISA adapter support m68k: Add missing cmpxchg64() if CONFIG_RMW_INSNS=y
2013-04-30Merge branch 'linux_next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac Pull edac fixes from Mauro Carvalho Chehab: "Two edac fixes: - i7300_edac currently reports a wrong number of DIMMs when the memory controller is in single channel mode - on some Sandy Bridge machines, the EDAC driver bails out as one of the PCI IDs used by the driver is hidden by BIOS. As the driver uses it only to detect the type of memory, make it optional at the driver" * 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac: edac: sb_edac.c should not require prescence of IMC_DDRIO device i7300_edac: Fix memory detection in single mode
2013-04-30Merge branch 'v4l_for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media update from Mauro Carvalho Chehab: - OF documentation and patches at core and drivers, to be used by for embedded media systems - some I2C drivers used on go7007 were rewritten/promoted from staging: sony-btf-mpx, tw2804, tw9903, tw9906, wis-ov7640, wis-uda1342 - add fimc-is driver (Exynos) - add a new radio driver: radio-si476x - add a two new tuners: r820t and tuner_it913x - split camera code on em28xx driver and add more models - the cypress firmware load is used outside dvb usb drivers. So, move it to a common directory to make easier to re-use it - siano media driver updated to work with sms2270 devices - several work done in order to promote go7007 and solo6x1x out of staging (still, there are some pending issues) - several API compliance fixes at v4l2 drivers that don't behave as expected - as usual, lots of driver fixes, improvements, cleanups and new device addition at the existing drivers. * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (831 commits) [media] cx88: make core less verbose [media] em28xx: fix oops at em28xx_dvb_bus_ctrl() [media] s5c73m3: fix indentation of the help section in Kconfig [media] cx25821-alsa: get rid of a __must_check warning [media] cx25821-video: declare cx25821_vidioc_s_std as static [media] cx25821-video: remove maxw from cx25821_vidioc_try_fmt_vid_cap [media] r820t: Remove a warning for an unused value [media] dib0090: Fix a warning at dib0090_set_EFUSE [media] dib8000: fix a warning [media] dib8000: Fix sub-channel range [media] dib8000: store dtv_property_cache in a temp var [media] dib8000: warning fix: declare internal functions as static [media] r820t: quiet gcc warning on n_ring [media] r820t: memory leak in release() [media] r820t: precendence bug in r820t_xtal_check() [media] videodev2.h: Remove the unused old V4L1 buffer types [media] anysee: Grammar s/report the/report to/ [media] anysee: Initialize ret = 0 in anysee_frontend_attach() [media] media: videobuf2: fix the length check for mmap [media] em28xx: save isoc endpoint number for DVB only if endpoint has alt settings with xMaxPacketSize != 0 ...
2013-04-30Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID updates from Jiri Kosina: - hid driver transport cleanup, finalizing the long-desired decoupling of core from transport layers, by Benjamin Tissoires and Henrik Rydberg - support for hybrid finger/pen multitouch HID devices, by Benjamin Tissoires - fix for long-standing issue in Logitech unifying driver sometimes not inializing properly due to device specifics, by Andrew de los Reyes - Wii remote driver updates to support 2nd generation of devices, by David Herrmann - support for Apple IR remote - roccat driver now supports new devices (Roccat Kone Pure, IskuFX), by Stefan Achatz - debugfs locking fixes in hid debug interface, by Jiri Kosina * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (43 commits) HID: protect hid_debug_list HID: debug: break out hid_dump_report() into hid-debug HID: Add PID for Japanese version of NE4K keyboard HID: hid-lg4ff add support for new version of DFGT wheel HID: icade: u16 which never < 0 HID: clarify Magic Mouse Kconfig description HID: appleir: add support for Apple ir devices HID: roccat: added media key support for Kone HID: hid-lenovo-tpkbd: remove doubled hid_get_drvdata HID: i2c-hid: fix length for set/get report in i2c hid HID: wiimote: parse reduced status reports HID: wiimote: add 2nd generation Wii Remote IDs HID: wiimote: use unique battery names HID: hidraw: warn if userspace headers are outdated HID: multitouch: force BTN_STYLUS for pen devices HID: multitouch: append " Pen" to the name of the stylus input HID: multitouch: add handling for pen in dual-sensors device HID: multitouch: change touch sensor detection in mt_input_configured() HID: multitouch: do not map usage from non used reports HID: multitouch: breaks out touch handling in specific functions ...
2013-04-30Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree updates from Jiri Kosina: "Usual stuff, mostly comment fixes, typo fixes, printk fixes and small code cleanups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (45 commits) mm: Convert print_symbol to %pSR gfs2: Convert print_symbol to %pSR m32r: Convert print_symbol to %pSR iostats.txt: add easy-to-find description for field 6 x86 cmpxchg.h: fix wrong comment treewide: Fix typo in printk and comments doc: devicetree: Fix various typos docbook: fix 8250 naming in device-drivers pata_pdc2027x: Fix compiler warning treewide: Fix typo in printks mei: Fix comments in drivers/misc/mei treewide: Fix typos in kernel messages pm44xx: Fix comment for "CONFIG_CPU_IDLE" doc: Fix typo "CONFIG_CGROUP_CGROUP_MEMCG_SWAP" mmzone: correct "pags" to "pages" in comment. kernel-parameters: remove outdated 'noresidual' parameter Remove spurious _H suffixes from ifdef comments sound: Remove stray pluses from Kconfig file radio-shark: Fix printk "CONFIG_LED_CLASS" doc: put proper reference to CONFIG_MODULE_SIG_ENFORCE ...
2013-04-30Merge branch 'x86-ras-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 RAS changes from Ingo Molnar: - Add an Intel CMCI hotplug fix - Add AMD family 16h EDAC support - Make the AMD MCE banks code more flexible for virtual environments * 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: amd64_edac: Add Family 16h support x86/mce: Rework cmci_rediscover() to play well with CPU hotplug x86, MCE, AMD: Use MCG_CAP MSR to find out number of banks on AMD x86, MCE, AMD: Replace shared_bank array with is_shared_bank() helper
2013-04-30Merge branch 'x86-platform-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 platform changes from Ingo Molnar: "Small fixes and cleanups all over the map" * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/setup: Drop unneeded include <asm/dmi.h> x86/olpc/xo1/sci: Don't call input_free_device() after input_unregister_device() x86/platform/intel/mrst: Remove cast for kmalloc() return value x86/platform/uv: Replace kmalloc() & memset with kzalloc()
2013-04-30Merge branch 'x86-paravirt-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 paravirt update from Ingo Molnar: "Various paravirtualization related changes - the biggest one makes guest support optional via CONFIG_HYPERVISOR_GUEST" * 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, wakeup, sleep: Use pvops functions for changing GDT entries x86, xen, gdt: Remove the pvops variant of store_gdt. x86-32, gdt: Store/load GDT for ACPI S3 or hibernation/resume path is not needed x86-64, gdt: Store/load GDT for ACPI S3 or hibernate/resume path is not needed. x86: Make Linux guest support optional x86, Kconfig: Move PARAVIRT_DEBUG into the paravirt menu
2013-04-30Merge branch 'x86-mm-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 mm changes from Ingo Molnar: "Misc smaller changes all over the map" * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/iommu/dmar: Remove warning for HPET scope type x86/mm/gart: Drop unnecessary check x86/mm/hotplug: Put kernel_physical_mapping_remove() declaration in CONFIG_MEMORY_HOTREMOVE x86/mm/fixmap: Remove unused FIX_CYCLONE_TIMER x86/mm/numa: Simplify some bit mangling x86/mm: Re-enable DEBUG_TLBFLUSH for X86_32 x86/mm/cpa: Cleanup split_large_page() and its callee x86: Drop always empty .text..page_aligned section
2013-04-30Merge branch 'x86-kaslr-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perparatory x86 kasrl changes from Ingo Molnar: "This contains changes from the ongoing KASLR work, by Kees Cook. The main changes are the use of a read-only IDT on x86 (which decouples the userspace visible virtual IDT address from the physical address), and a rework of ELF relocation support, in preparation of random, boot-time kernel image relocation." * 'x86-kaslr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, relocs: Refactor the relocs tool to merge 32- and 64-bit ELF x86, relocs: Build separate 32/64-bit tools x86, relocs: Add 64-bit ELF support to relocs tool x86, relocs: Consolidate processing logic x86, relocs: Generalize ELF structure names x86: Use a read-only IDT alias on all CPUs
2013-04-30Merge branch 'x86-debug-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 debug update from Ingo Molnar: "Two small changes: a documentation update and a constification" * 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, early-printk: Update earlyprintk documentation (and kill x86 copy) x86: Constify a few items
2013-04-30Merge branch 'x86-cpu-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cpuid changes from Ingo Molnar: "The biggest change is x86 CPU bug handling refactoring and cleanups, by Borislav Petkov" * 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, CPU, AMD: Drop useless label x86, AMD: Correct {rd,wr}msr_amd_safe warnings x86: Fold-in trivial check_config function x86, cpu: Convert AMD Erratum 400 x86, cpu: Convert AMD Erratum 383 x86, cpu: Convert Cyrix coma bug detection x86, cpu: Convert FDIV bug detection x86, cpu: Convert F00F bug detection x86, cpu: Expand cpufeature facility to include cpu bugs
2013-04-30Merge branch 'x86-cleanups-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cleanups from Ingo Molnar: "Misc smaller cleanups" * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/lib: Fix spelling, put space between a numeral and its units x86/lib: Fix spelling in the comments x86, quirks: Shut-up a long-standing gcc warning x86, msr: Unify variable names x86-64, docs, mm: Add vsyscall range to virtual address space layout x86: Drop KERNEL_IMAGE_START x86_64: Use __BOOT_DS instead_of __KERNEL_DS for safety
2013-04-30Merge branch 'x86-asm-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull extable dmesg fixlet from Ingo Molnar: "Small tweak to reduce kmsg boot time spam" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: extable: Flip the sorting message
2013-04-30Merge branch 'timers-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core timer updates from Ingo Molnar: "The main changes in this cycle's merge are: - Implement shadow timekeeper to shorten in kernel reader side blocking, by Thomas Gleixner. - Posix timers enhancements by Pavel Emelyanov: - allocate timer ID per process, so that exact timer ID allocations can be re-created be checkpoint/restore code. - debuggability and tooling (/proc/PID/timers, etc.) improvements. - suspend/resume enhancements by Feng Tang: on certain new Intel Atom processors (Penwell and Cloverview), there is a feature that the TSC won't stop in S3 state, so the TSC value won't be reset to 0 after resume. This can be taken advantage of by the generic via the CLOCK_SOURCE_SUSPEND_NONSTOP flag: instead of using the RTC to recover/approximate sleep time, the main (and precise) clocksource can be used. - Fix /proc/timer_list for 4096 CPUs by Nathan Zimmer: on so many CPUs the file goes beyond 4MB of size and thus the current simplistic seqfile approach fails. Convert /proc/timer_list to a proper seq_file with its own iterator. - Cleanups and refactorings of the core timekeeping code by John Stultz. - International Atomic Clock time is managed by the NTP code internally currently but not exposed externally. Separate the TAI code out and add CLOCK_TAI support and TAI support to the hrtimer and posix-timer code, by John Stultz. - Add deep idle support enhacement to the broadcast clockevents core timer code, by Daniel Lezcano: add an opt-in CLOCK_EVT_FEAT_DYNIRQ clockevents feature (which will be utilized by future clockevents driver updates), which allows the use of IRQ affinities to avoid spurious wakeups of idle CPUs - the right CPU with an expiring timer will be woken. - Add new ARM bcm281xx clocksource driver, by Christian Daudt - ... various other fixes and cleanups" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits) clockevents: Set dummy handler on CPU_DEAD shutdown timekeeping: Update tk->cycle_last in resume posix-timers: Remove unused variable clockevents: Switch into oneshot mode even if broadcast registered late timer_list: Convert timer list to be a proper seq_file timer_list: Split timer_list_show_tickdevices posix-timers: Show sigevent info in proc file posix-timers: Introduce /proc/PID/timers file posix timers: Allocate timer id per process (v2) timekeeping: Make sure to notify hrtimers when TAI offset changes hrtimer: Fix ktime_add_ns() overflow on 32bit architectures hrtimer: Add expiry time overflow check in hrtimer_interrupt timekeeping: Shorten seq_count region timekeeping: Implement a shadow timekeeper timekeeping: Delay update of clock->cycle_last timekeeping: Store cycle_last value in timekeeper struct as well ntp: Remove ntp_lock, using the timekeeping locks to protect ntp state timekeeping: Simplify tai updating from do_adjtimex timekeeping: Hold timekeepering locks in do_adjtimex and hardpps timekeeping: Move ADJ_SETOFFSET to top level do_adjtimex() ...
2013-04-30arm64: Use acquire/release semantics instead of explicit DMBCatalin Marinas
This patch changes the test_and_*_bit functions to use the load-acquire/store-release instructions instead of explicit DMB. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-04-30arm64: klib: bitops: fix unpredictable stxr usageMark Rutland
We're currently relying on unpredictable behaviour in our testops (test_and_*_bit), as stxr is unpredictable when the status register and the source register are the same This patch changes reallocates the status register so as to bring us back into the realm of predictable behaviour. Boot tested on an AEMv8 model. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-04-30Merge branch 'smp-hotplug-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull SMP/hotplug changes from Ingo Molnar: "This is a pretty large, multi-arch series unifying and generalizing the various disjunct pieces of idle routines that architectures have historically copied from each other and have grown in random, wildly inconsistent and sometimes buggy directions: 101 files changed, 455 insertions(+), 1328 deletions(-) this went through a number of review and test iterations before it was committed, it was tested on various architectures, was exposed to linux-next for quite some time - nevertheless it might cause problems on architectures that don't read the mailing lists and don't regularly test linux-next. This cat herding excercise was motivated by the -rt kernel, and was brought to you by Thomas "the Whip" Gleixner." * 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits) idle: Remove GENERIC_IDLE_LOOP config switch um: Use generic idle loop ia64: Make sure interrupts enabled when we "safe_halt()" sparc: Use generic idle loop idle: Remove unused ARCH_HAS_DEFAULT_IDLE bfin: Fix typo in arch_cpu_idle() xtensa: Use generic idle loop x86: Use generic idle loop unicore: Use generic idle loop tile: Use generic idle loop tile: Enter idle with preemption disabled sh: Use generic idle loop score: Use generic idle loop s390: Use generic idle loop powerpc: Use generic idle loop parisc: Use generic idle loop openrisc: Use generic idle loop mn10300: Use generic idle loop mips: Use generic idle loop microblaze: Use generic idle loop ...
2013-04-30Merge branch 'sched-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler changes from Ingo Molnar: "The main changes in this development cycle were: - full dynticks preparatory work by Frederic Weisbecker - factor out the cpu time accounting code better, by Li Zefan - multi-CPU load balancer cleanups and improvements by Joonsoo Kim - various smaller fixes and cleanups" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (45 commits) sched: Fix init NOHZ_IDLE flag sched: Prevent to re-select dst-cpu in load_balance() sched: Rename load_balance_tmpmask to load_balance_mask sched: Move up affinity check to mitigate useless redoing overhead sched: Don't consider other cpus in our group in case of NEWLY_IDLE sched: Explicitly cpu_idle_type checking in rebalance_domains() sched: Change position of resched_cpu() in load_balance() sched: Fix wrong rq's runnable_avg update with rt tasks sched: Document task_struct::personality field sched/cpuacct/UML: Fix header file dependency bug on the UML build cgroup: Kill subsys.active flag sched/cpuacct: No need to check subsys active state sched/cpuacct: Initialize cpuacct subsystem earlier sched/cpuacct: Initialize root cpuacct earlier sched/cpuacct: Allocate per_cpu cpuusage for root cpuacct statically sched/cpuacct: Clean up cpuacct.h sched/cpuacct: Remove redundant NULL checks in cpuacct_acount_field() sched/cpuacct: Remove redundant NULL checks in cpuacct_charge() sched/cpuacct: Add cpuacct_acount_field() sched/cpuacct: Add cpuacct_init() ...
2013-04-30Merge branch 'perf-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf updates from Ingo Molnar: "Features: - Add "uretprobes" - an optimization to uprobes, like kretprobes are an optimization to kprobes. "perf probe -x file sym%return" now works like kretprobes. By Oleg Nesterov. - Introduce per core aggregation in 'perf stat', from Stephane Eranian. - Add memory profiling via PEBS, from Stephane Eranian. - Event group view for 'annotate' in --stdio, --tui and --gtk, from Namhyung Kim. - Add support for AMD NB and L2I "uncore" counters, by Jacob Shin. - Add Ivy Bridge-EP uncore support, by Zheng Yan - IBM zEnterprise EC12 oprofile support patchlet from Robert Richter. - Add perf test entries for checking breakpoint overflow signal handler issues, from Jiri Olsa. - Add perf test entry for for checking number of EXIT events, from Namhyung Kim. - Add perf test entries for checking --cpu in record and stat, from Jiri Olsa. - Introduce perf stat --repeat forever, from Frederik Deweerdt. - Add --no-demangle to report/top, from Namhyung Kim. - PowerPC fixes plus a couple of cleanups/optimizations in uprobes and trace_uprobes, by Oleg Nesterov. Various fixes and refactorings: - Fix dependency of the python binding wrt libtraceevent, from Naohiro Aota. - Simplify some perf_evlist methods and to allow 'stat' to share code with 'record' and 'trace', by Arnaldo Carvalho de Melo. - Remove dead code in related to libtraceevent integration, from Namhyung Kim. - Revert "perf sched: Handle PERF_RECORD_EXIT events" to get 'perf sched lat' back working, by Arnaldo Carvalho de Melo - We don't use Newt anymore, just plain libslang, by Arnaldo Carvalho de Melo. - Kill a bunch of die() calls, from Namhyung Kim. - Fix build on non-glibc systems due to libio.h absence, from Cody P Schafer. - Remove some perf_session and tracing dead code, from David Ahern. - Honor parallel jobs, fix from Borislav Petkov - Introduce tools/lib/lk library, initially just removing duplication among tools/perf and tools/vm. from Borislav Petkov ... and many more I missed to list, see the shortlog and git log for more details." * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (136 commits) perf/x86/intel/P4: Robistify P4 PMU types perf/x86/amd: Fix AMD NB and L2I "uncore" support perf/x86/amd: Remove old-style NB counter support from perf_event_amd.c perf/x86: Check all MSRs before passing hw check perf/x86/amd: Add support for AMD NB and L2I "uncore" counters perf/x86/intel: Add Ivy Bridge-EP uncore support perf/x86/intel: Fix SNB-EP CBO and PCU uncore PMU filter management perf/x86: Avoid kfree() in CPU_{STARTING,DYING} uprobes/perf: Avoid perf_trace_buf_prepare/submit if ->perf_events is empty uprobes/tracing: Don't pass addr=ip to perf_trace_buf_submit() uprobes/tracing: Change create_trace_uprobe() to support uretprobes uprobes/tracing: Make seq_printf() code uretprobe-friendly uprobes/tracing: Make register_uprobe_event() paths uretprobe-friendly uprobes/tracing: Make uprobe_{trace,perf}_print() uretprobe-friendly uprobes/tracing: Introduce is_ret_probe() and uretprobe_dispatcher() uprobes/tracing: Introduce uprobe_{trace,perf}_print() helpers uprobes/tracing: Generalize struct uprobe_trace_entry_head uprobes/tracing: Kill the pointless local_save_flags/preempt_count calls uprobes/tracing: Kill the pointless seq_print_ip_sym() call uprobes/tracing: Kill the pointless task_pt_regs() calls ...
2013-04-30Merge branch 'core-rcu-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RCU updates from Ingo Molnar: "The main changes in this cycle are mostly related to preparatory work for the full-dynticks work: - Remove restrictions on no-CBs CPUs, make RCU_FAST_NO_HZ take advantage of numbered callbacks, do callback accelerations based on numbered callbacks. Posted to LKML at https://lkml.org/lkml/2013/3/18/960 - RCU documentation updates. Posted to LKML at https://lkml.org/lkml/2013/3/18/570 - Miscellaneous fixes. Posted to LKML at https://lkml.org/lkml/2013/3/18/594" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) rcu: Make rcu_accelerate_cbs() note need for future grace periods rcu: Abstract rcu_start_future_gp() from rcu_nocb_wait_gp() rcu: Rename n_nocb_gp_requests to need_future_gp rcu: Push lock release to rcu_start_gp()'s callers rcu: Repurpose no-CBs event tracing to future-GP events rcu: Rearrange locking in rcu_start_gp() rcu: Make RCU_FAST_NO_HZ take advantage of numbered callbacks rcu: Accelerate RCU callbacks at grace-period end rcu: Export RCU_FAST_NO_HZ parameters to sysfs rcu: Distinguish "rcuo" kthreads by RCU flavor rcu: Add event tracing for no-CBs CPUs' grace periods rcu: Add event tracing for no-CBs CPUs' callback registration rcu: Introduce proper blocking to no-CBs kthreads GP waits rcu: Provide compile-time control for no-CBs CPUs rcu: Tone down debugging during boot-up and shutdown. rcu: Add softirq-stall indications to stall-warning messages rcu: Documentation update rcu: Make bugginess of code sample more evident rcu: Fix hlist_bl_set_first_rcu() annotation rcu: Delete unused rcu_node "wakemask" field ...
2013-04-30tracing: Fix small merge bugSteven Rostedt
During the 3.10 merge, a conflict happened and the resolution was almost, but not quite, correct. An if statement was reversed. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> [ Duh. That was just silly of me - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30Merge tag 'localmodconfig-v3.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig Pull localmodconfig changes from Steven Rostedt: "A bug was recently found in the make localmodconfig where it would miss dependencies of config files are include in other config files inside an if statement. Also added a debug print that helped in solving this bug." * tag 'localmodconfig-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig: localmodconfig: Process source kconfig files as they are found localmodconfig: Add debug prints for dependencies of module configs
2013-04-30Merge branch 'devel-for-v3.10' into v4l_for_linusMauro Carvalho Chehab
* patchwork: (831 commits) [media] cx88: make core less verbose [media] em28xx: fix oops at em28xx_dvb_bus_ctrl() [media] s5c73m3: fix indentation of the help section in Kconfig [media] cx25821-alsa: get rid of a __must_check warning [media] cx25821-video: declare cx25821_vidioc_s_std as static [media] cx25821-video: remove maxw from cx25821_vidioc_try_fmt_vid_cap [media] r820t: Remove a warning for an unused value [media] dib0090: Fix a warning at dib0090_set_EFUSE [media] dib8000: fix a warning [media] dib8000: Fix sub-channel range [media] dib8000: store dtv_property_cache in a temp var [media] dib8000: warning fix: declare internal functions as static [media] r820t: quiet gcc warning on n_ring [media] r820t: memory leak in release() [media] r820t: precendence bug in r820t_xtal_check() [media] videodev2.h: Remove the unused old V4L1 buffer types [media] anysee: Grammar s/report the/report to/ [media] anysee: Initialize ret = 0 in anysee_frontend_attach() [media] media: videobuf2: fix the length check for mmap [media] em28xx: save isoc endpoint number for DVB only if endpoint has alt settings with xMaxPacketSize != 0 ... Conflicts: drivers/media/pci/cx25821/cx25821-video.c drivers/media/platform/Kconfig
2013-04-30Merge tag 'v3.9' into v4l_for_linusMauro Carvalho Chehab
Linux 3.9 * tag 'v3.9': (1099 commits) Linux 3.9 vm: add no-mmu vm_iomap_memory() stub efivars: only check for duplicates on the registered list TTY: fix atime/mtime regression aio: fix possible invalid memory access when DEBUG is enabled parisc: use spin_lock_irqsave/spin_unlock_irqrestore for PTE updates parisc: disable -mlong-calls compiler option for kernel modules parisc: uaccess: fix compiler warnings caused by __put_user casting parisc: Change kunmap macro to static inline function parisc: Provide __ucmpdi2 to resolve undefined references in 32 bit builds. sparc64: Fix missing put_cpu_var() in tlb_batch_add_one() when not batching. Revert "gpio: pxa: set initcall level to module init" efi: Check EFI revision in setup_efi_vars x86, efi: Fix a build warning Revert "MIPS: page.h: Provide more readable definition for PAGE_MASK." kernel/hz.bc: ignore. Linux 3.9-rc8 events: Protect access via task_subsys_state_check() net: fix incorrect credentials passing x86, microcode: Verify the family before dispatching microcode patching ...
2013-04-30Merge branches 'for-3.10/wiimote' and 'for-3.9/upstream-fixes' into for-linusJiri Kosina
2013-04-30Merge branches 'for-3.10/multitouch', 'for-3.10/roccat' and ↵Jiri Kosina
'for-3.10/upstream' into for-linus Conflicts: drivers/hid/Kconfig
2013-04-30Merge branch 'for-3.10/mt-hybrid-finger-pen' into for-linusJiri Kosina
Conflicts: drivers/hid/hid-multitouch.c
2013-04-30Merge branches 'for-3.10/appleir', 'for-3.10/hid-debug', ↵Jiri Kosina
'for-3.10/hid-driver-transport-cleanups', 'for-3.10/i2c-hid' and 'for-3.10/logitech' into for-linus
2013-04-30HID: protect hid_debug_listJiri Kosina
Accesses to hid_device->hid_debug_list are not serialized properly, which could result in SMP concurrency issues when HID debugfs events are accessesed by multiple userspace processess. Serialize all the list operations by a mutex. Spotted by Al Viro. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-04-30HID: debug: break out hid_dump_report() into hid-debugBenjamin Tissoires
No semantic changes, but hid_dump_report should be in hid-debug.c, not in hid-core.c Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-04-29Merge branch 'akpm' (incoming from Andrew)Linus Torvalds
Merge second batch of fixes from Andrew Morton: - various misc bits - some printk updates - a new "SRAM" driver. - MAINTAINERS updates - the backlight driver queue - checkpatch updates - a few init/ changes - a huge number of drivers/rtc changes - fatfs updates - some lib/idr.c work - some renaming of the random driver interfaces * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (285 commits) net: rename random32 to prandom net/core: remove duplicate statements by do-while loop net/core: rename random32() to prandom_u32() net/netfilter: rename random32() to prandom_u32() net/sched: rename random32() to prandom_u32() net/sunrpc: rename random32() to prandom_u32() scsi: rename random32() to prandom_u32() lguest: rename random32() to prandom_u32() uwb: rename random32() to prandom_u32() video/uvesafb: rename random32() to prandom_u32() mmc: rename random32() to prandom_u32() drbd: rename random32() to prandom_u32() kernel/: rename random32() to prandom_u32() mm/: rename random32() to prandom_u32() lib/: rename random32() to prandom_u32() x86: rename random32() to prandom_u32() x86: pageattr-test: remove srandom32 call uuid: use prandom_bytes() raid6test: use prandom_bytes() sctp: convert sctp_assoc_set_id() to use idr_alloc_cyclic() ...
2013-04-29Merge branch 'for-3.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: - Fixes and a lot of cleanups. Locking cleanup is finally complete. cgroup_mutex is no longer exposed to individual controlelrs which used to cause nasty deadlock issues. Li fixed and cleaned up quite a bit including long standing ones like racy cgroup_path(). - device cgroup now supports proper hierarchy thanks to Aristeu. - perf_event cgroup now supports proper hierarchy. - A new mount option "__DEVEL__sane_behavior" is added. As indicated by the name, this option is to be used for development only at this point and generates a warning message when used. Unfortunately, cgroup interface currently has too many brekages and inconsistencies to implement a consistent and unified hierarchy on top. The new flag is used to collect the behavior changes which are necessary to implement consistent unified hierarchy. It's likely that this flag won't be used verbatim when it becomes ready but will be enabled implicitly along with unified hierarchy. The option currently disables some of broken behaviors in cgroup core and also .use_hierarchy switch in memcg (will be routed through -mm), which can be used to make very unusual hierarchy where nesting is partially honored. It will also be used to implement hierarchy support for blk-throttle which would be impossible otherwise without introducing a full separate set of control knobs. This is essentially versioning of interface which isn't very nice but at this point I can't see any other options which would allow keeping the interface the same while moving towards hierarchy behavior which is at least somewhat sane. The planned unified hierarchy is likely to require some level of adaptation from userland anyway, so I think it'd be best to take the chance and update the interface such that it's supportable in the long term. Maintaining the existing interface does complicate cgroup core but shouldn't put too much strain on individual controllers and I think it'd be manageable for the foreseeable future. Maybe we'll be able to drop it in a decade. Fix up conflicts (including a semantic one adding a new #include to ppc that was uncovered by header the file changes) as per Tejun. * 'for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (45 commits) cpuset: fix compile warning when CONFIG_SMP=n cpuset: fix cpu hotplug vs rebuild_sched_domains() race cpuset: use rebuild_sched_domains() in cpuset_hotplug_workfn() cgroup: restore the call to eventfd->poll() cgroup: fix use-after-free when umounting cgroupfs cgroup: fix broken file xattrs devcg: remove parent_cgroup. memcg: force use_hierarchy if sane_behavior cgroup: remove cgrp->top_cgroup cgroup: introduce sane_behavior mount option move cgroupfs_root to include/linux/cgroup.h cgroup: convert cgroupfs_root flag bits to masks and add CGRP_ prefix cgroup: make cgroup_path() not print double slashes Revert "cgroup: remove bind() method from cgroup_subsys." perf: make perf_event cgroup hierarchical cgroup: implement cgroup_is_descendant() cgroup: make sure parent won't be destroyed before its children cgroup: remove bind() method from cgroup_subsys. devcg: remove broken_hierarchy tag cgroup: remove cgroup_lock_is_held() ...
2013-04-29Merge branch 'for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds
Pull workqueue updates from Tejun Heo: "A lot of activities on workqueue side this time. The changes achieve the followings. - WQ_UNBOUND workqueues - the workqueues which are per-cpu - are updated to be able to interface with multiple backend worker pools. This involved a lot of churning but the end result seems actually neater as unbound workqueues are now a lot closer to per-cpu ones. - The ability to interface with multiple backend worker pools are used to implement unbound workqueues with custom attributes. Currently the supported attributes are the nice level and CPU affinity. It may be expanded to include cgroup association in future. The attributes can be specified either by calling apply_workqueue_attrs() or through /sys/bus/workqueue/WQ_NAME/* if the workqueue in question is exported through sysfs. The backend worker pools are keyed by the actual attributes and shared by any workqueues which share the same attributes. When attributes of a workqueue are changed, the workqueue binds to the worker pool with the specified attributes while leaving the work items which are already executing in its previous worker pools alone. This allows converting custom worker pool implementations which want worker attribute tuning to use workqueues. The writeback pool is already converted in block tree and there are a couple others are likely to follow including btrfs io workers. - WQ_UNBOUND's ability to bind to multiple worker pools is also used to make it NUMA-aware. Because there's no association between work item issuer and the specific worker assigned to execute it, before this change, using unbound workqueue led to unnecessary cross-node bouncing and it couldn't be helped by autonuma as it requires tasks to have implicit node affinity and workers are assigned randomly. After these changes, an unbound workqueue now binds to multiple NUMA-affine worker pools so that queued work items are executed in the same node. This is turned on by default but can be disabled system-wide or for individual workqueues. Crypto was requesting NUMA affinity as encrypting data across different nodes can contribute noticeable overhead and doing it per-cpu was too limiting for certain cases and IO throughput could be bottlenecked by one CPU being fully occupied while others have idle cycles. While the new features required a lot of changes including restructuring locking, it didn't complicate the execution paths much. The unbound workqueue handling is now closer to per-cpu ones and the new features are implemented by simply associating a workqueue with different sets of backend worker pools without changing queue, execution or flush paths. As such, even though the amount of change is very high, I feel relatively safe in that it isn't likely to cause subtle issues with basic correctness of work item execution and handling. If something is wrong, it's likely to show up as being associated with worker pools with the wrong attributes or OOPS while workqueue attributes are being changed or during CPU hotplug. While this creates more backend worker pools, it doesn't add too many more workers unless, of course, there are many workqueues with unique combinations of attributes. Assuming everything else is the same, NUMA awareness costs an extra worker pool per NUMA node with online CPUs. There are also a couple things which are being routed outside the workqueue tree. - block tree pulled in workqueue for-3.10 so that writeback worker pool can be converted to unbound workqueue with sysfs control exposed. This simplifies the code, makes writeback workers NUMA-aware and allows tuning nice level and CPU affinity via sysfs. - The conversion to workqueue means that there's no 1:1 association between a specific worker, which makes writeback folks unhappy as they want to be able to tell which filesystem caused a problem from backtrace on systems with many filesystems mounted. This is resolved by allowing work items to set debug info string which is printed when the task is dumped. As this change involves unifying implementations of dump_stack() and friends in arch codes, it's being routed through Andrew's -mm tree." * 'for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (84 commits) workqueue: use kmem_cache_free() instead of kfree() workqueue: avoid false negative WARN_ON() in destroy_workqueue() workqueue: update sysfs interface to reflect NUMA awareness and a kernel param to disable NUMA affinity workqueue: implement NUMA affinity for unbound workqueues workqueue: introduce put_pwq_unlocked() workqueue: introduce numa_pwq_tbl_install() workqueue: use NUMA-aware allocation for pool_workqueues workqueue: break init_and_link_pwq() into two functions and introduce alloc_unbound_pwq() workqueue: map an unbound workqueues to multiple per-node pool_workqueues workqueue: move hot fields of workqueue_struct to the end workqueue: make workqueue->name[] fixed len workqueue: add workqueue->unbound_attrs workqueue: determine NUMA node of workers accourding to the allowed cpumask workqueue: drop 'H' from kworker names of unbound worker pools workqueue: add wq_numa_tbl_len and wq_numa_possible_cpumask[] workqueue: move pwq_pool_locking outside of get/put_unbound_pool() workqueue: fix memory leak in apply_workqueue_attrs() workqueue: fix unbound workqueue attrs hashing / comparison workqueue: fix race condition in unbound workqueue free path workqueue: remove pwq_lock which is no longer used ...