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2010-08-05agp: intel-agp: do not use PCI resources before pci_enable_device()Kulikov Vasiliy1-11/+11
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-08-05agp: efficeon-agp: do not use PCI resources before pci_enable_device()Kulikov Vasiliy1-11/+11
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-08-05drm: kill BKL from common codeArnd Bergmann9-46/+75
This restricts the use of the big kernel lock to the i830 and i810 device drivers. The three remaining users in common code (open, ioctl and release) get converted to a new mutex, the drm_global_mutex, making the locking stricter than the big kernel lock. This may have a performance impact, but only in those cases that currently don't use DRM_UNLOCKED flag in the ioctl list and would benefit from that anyway. The reason why i810 and i830 cannot use drm_global_mutex in their mmap functions is a lock-order inversion problem between the current use of the BKL and mmap_sem in these drivers. Since the BKL has release-on-sleep semantics, it's harmless but it would cause trouble if we replace the BKL with a mutex. Instead, these drivers get their own ioctl wrappers that take the BKL around every ioctl call and then set their own handlers as DRM_UNLOCKED. Signed-off-by: Arnd Bergmann <[email protected]> Cc: David Airlie <[email protected]> Cc: [email protected] Signed-off-by: Dave Airlie <[email protected]>
2010-08-05Merge commit 'kumar/next' into nextBenjamin Herrenschmidt36-186/+3185
2010-08-05drm/kms: Simplify setup of the initial I2C encoder config.Francisco Jerez1-0/+7
In most use cases the driver will be using the same static config all the time: interpreting i2c_board_info::platform_data as the default config we can can save the GPU driver a redundant set_config() call. Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-08-04IB/ehca: Init irq tasklet before irq can happenAlexander Schmidt1-4/+4
Initialize tasklet before interrupts are requested to prevent scheduling of an uninitialized tasklet. Signed-off-by: Alexander Schmidt <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2010-08-05drm,io-mapping: Specify slot to use for atomic mappingsChris Wilson4-16/+22
This is required should we ever attempt to use an io-mapping where KM_USER0 is verboten, such as inside an IRQ context. Signed-off-by: Chris Wilson <[email protected]> Cc: Eric Anholt <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-08-05drm/radeon/kms: only expose underscan on avivo chipsAlex Deucher2-11/+16
R4xx also uses the atom add connector function, but underscan is only supported on avivo chips. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-08-05drm/radeon: add new pci idsAlex Deucher1-0/+7
New evergreen and r7xx ids. Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected] Signed-off-by: Dave Airlie <[email protected]>
2010-08-05drm: Cleanup after failing to create master->unique and dev->nameChris Wilson1-19/+66
v2: Userspace (notably xf86-video-{intel,ati}) became confused when drmSetInterfaceVersion() started returning -EBUSY as they used a second call (the first done in drmOpen()) to check their master credentials. Since userspace wants to be able to repeatedly call drmSetInterfaceVersion() allow them to do so. v3: Rebase to drm-core-next. Signed-off-by: Chris Wilson <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-08-04Merge branch 'for-next' of ↵Linus Torvalds310-574/+461
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits) Documentation: update broken web addresses. fix comment typo "choosed" -> "chosen" hostap:hostap_hw.c Fix typo in comment Fix spelling contorller -> controller in comments Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault fs/Kconfig: Fix typo Userpace -> Userspace Removing dead MACH_U300_BS26 drivers/infiniband: Remove unnecessary casts of private_data fs/ocfs2: Remove unnecessary casts of private_data libfc: use ARRAY_SIZE scsi: bfa: use ARRAY_SIZE drm: i915: use ARRAY_SIZE drm: drm_edid: use ARRAY_SIZE synclink: use ARRAY_SIZE block: cciss: use ARRAY_SIZE comment typo fixes: charater => character fix comment typos concerning "challenge" arm: plat-spear: fix typo in kerneldoc reiserfs: typo comment fix update email address ...
2010-08-04Merge branch 'for-linus' of ↵Linus Torvalds20-196/+586
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits) Revert "HID: add support for the Wacom Intuos 4 wireless" HID: fix up Kconfig entry for ACRUX driver HID: add ACRUX game controller force feedback support HID: Force input registration for "VEC footpedal" HID: add HID_QUIRK_HIDINPUT_FORCE HID: hid-input.c: indentation fixes HID: hiddev: use usb_find_interface, get rid of BKL HID: ignore digitizer usage Undefined (0x00) HID: Add support for Conceptronic CLLRCMCE HID: hid-ids.h: Whitespace fixup, align using TABs HID: picolcd: implement refcounting of framebuffer HID: picolcd: do not reallocate memory on depth change HID: picolcd: Add minimal palette required by fbcon on 8bpp HID: magicmouse: Correct parsing of large X and Y motions. HID: magicmouse: report last touch up HID: picolcd: fix deferred_io init/cleanup to fb ordering HID: hid-ids.h: keep vendor ids in alphabetical order HID: add proper support for Elecom BM084 bluetooth mouse HID: magicmouse: enable horizontal scrolling HID: magicmouse: add param for scroll speed ...
2010-08-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds23-707/+1306
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (39 commits) random: Reorder struct entropy_store to remove padding on 64bits padata: update API documentation padata: Remove padata_get_cpumask crypto: pcrypt - Update pcrypt cpumask according to the padata cpumask notifier crypto: pcrypt - Rename pcrypt_instance padata: Pass the padata cpumasks to the cpumask_change_notifier chain padata: Rearrange set_cpumask functions padata: Rename padata_alloc functions crypto: pcrypt - Dont calulate a callback cpu on empty callback cpumask padata: Check for valid cpumasks padata: Allocate cpumask dependend recources in any case padata: Fix cpu index counting crypto: geode_aes - Convert pci_table entries to PCI_VDEVICE (if PCI_ANY_ID is used) pcrypt: Added sysfs interface to pcrypt padata: Added sysfs primitives to padata subsystem padata: Make two separate cpumasks padata: update documentation padata: simplify serialization mechanism padata: make padata_do_parallel to return zero on success padata: Handle empty padata cpumasks ...
2010-08-04Merge branch 'for-linus' of ↵Linus Torvalds3-42/+64
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: allow limited allocation before slab is online percpu: make @dyn_size always mean min dyn_size in first chunk init functions
2010-08-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds268-6501/+19599
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (276 commits) [SCSI] zfcp: Trigger logging in the FCP channel on qdio error conditions [SCSI] zfcp: Introduce experimental support for DIF/DIX [SCSI] zfcp: Enable data division support for FCP devices [SCSI] zfcp: Prevent access on uninitialized memory. [SCSI] zfcp: Post events through FC transport class [SCSI] zfcp: Cleanup QDIO attachment and improve processing. [SCSI] zfcp: Cleanup function parameters for sbal value. [SCSI] zfcp: Use correct width for timer_interval field [SCSI] zfcp: Remove SCSI device when removing unit [SCSI] zfcp: Use memdup_user and kstrdup [SCSI] zfcp: Fix retry after failed "open port" erp action [SCSI] zfcp: Fail erp after timeout [SCSI] zfcp: Use forced_reopen in terminate_rport_io callback [SCSI] zfcp: Register SCSI devices after successful fc_remote_port_add [SCSI] zfcp: Do not try "forced close" when port is already closed [SCSI] zfcp: Do not unblock rport from REOPEN_PORT_FORCED [SCSI] sd: add support for runtime PM [SCSI] implement runtime Power Management [SCSI] convert to the new PM framework [SCSI] Unify SAM_ and SAM_STAT_ macros ...
2010-08-04ALSA: hda - Add pin-fix for HP dc5750Takashi Iwai1-0/+29
The NID 0x11 on HP dc5750 with ALC260 should be a speaker although BIOS gives it as a line-out. This patch adds a quirk to fix the pin config so that the real line-out is used properly. Reference: bnc#624118 https://bugzilla.novell.com/show_bug.cgi?id=624118 Signed-off-by: Takashi Iwai <[email protected]>
2010-08-04Merge branch 'xen/xenbus' into upstream/xenJeremy Fitzhardinge2-10/+50
* xen/xenbus: implement O_NONBLOCK for /proc/xen/xenbus xenbus: do not hold transaction_mutex when returning to userspace
2010-08-04Merge branch 'upstream/pvhvm' into upstream/xenJeremy Fitzhardinge39-61/+1156
* upstream/pvhvm: Introduce CONFIG_XEN_PVHVM compile option blkfront: do not create a PV cdrom device if xen_hvm_guest support multiple .discard.* sections to avoid section type conflicts xen/pvhvm: fix build problem when !CONFIG_XEN xenfs: enable for HVM domains too x86: Call HVMOP_pagetable_dying on exit_mmap. x86: Unplug emulated disks and nics. x86: Use xen_vcpuop_clockevent, xen_clocksource and xen wallclock. xen: Fix find_unbound_irq in presence of ioapic irqs. xen: Add suspend/resume support for PV on HVM guests. xen: Xen PCI platform device driver. x86/xen: event channels delivery on HVM. x86: early PV on HVM features initialization. xen: Add support for HVM hypercalls. Conflicts: arch/x86/xen/enlighten.c arch/x86/xen/time.c
2010-08-04Merge branch 'upstream/core' into upstream/xenJeremy Fitzhardinge6-49/+112
* upstream/core: xen/panic: use xen_reboot and fix smp_send_stop Xen: register panic notifier to take crashes of xen guests on panic xen: support large numbers of CPUs with vcpu info placement xen: drop xen_sched_clock in favour of using plain wallclock time pvops: do not notify callers from register_xenstore_notifier xen: make sure pages are really part of domain before freeing xen: release unused free memory
2010-08-04xen/panic: use xen_reboot and fix smp_send_stopIan Campbell2-4/+3
Offline vcpu when using stop_self. Signed-off-by: Ian Campbell <[email protected]> Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2010-08-04Xen: register panic notifier to take crashes of xen guests on panicDonald Dutile3-0/+24
Register a panic notifier so that when the guest crashes it can shut down the domain and indicate it was a crash to the host. Signed-off-by: Donald Dutile <[email protected]> Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2010-08-04xen: support large numbers of CPUs with vcpu info placementMukesh Rathor1-4/+17
When vcpu info placement is supported, we're not limited to MAX_VIRT_CPUS vcpus. However, if it isn't supported, then ignore any excess vcpus. Signed-off-by: Mukesh Rathor <[email protected]> Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2010-08-04xen: drop xen_sched_clock in favour of using plain wallclock timeJeremy Fitzhardinge2-40/+1
xen_sched_clock only counts unstolen time. In principle this should be useful to the Linux scheduler so that it knows how much time a process actually consumed. But in practice this doesn't work very well as the scheduler expects the sched_clock time to be synchronized between cpus. It also uses sched_clock to measure the time a task spends sleeping, in which case "unstolen time" isn't meaningful. So just use plain xen_clocksource_read to return wallclock nanoseconds for sched_clock. Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2010-08-04pvops: do not notify callers from register_xenstore_notifierStefano Stabellini1-4/+1
Currently register_xenstore_notifier notifies the caller during the registration itself if xenstore is believed to be ready. This behaviour causes problems to PV on HVM guests, in which case callers should be notified by xenbus_probe only after the platform pci driver is loaded. We already make sure xenbus_probe is called at the right time, calling it either from device_initcall (PV case) or from the platform pci driver initialization (HVM case) so we don't need this additional notification. Signed-off-by: Stefano Stabellini <[email protected]> Signed-off-by: Jeremy Fitzhardinge <[email protected]>
2010-08-04RDMA/nes: Fix misindented codeRoland Dreier1-14/+12
In nes_probe(), a bit of code is indented one tab stop too far. Fix this. Signed-off-by: Roland Dreier <[email protected]>
2010-08-04RDMA/nes: Fix showing wqm_quantaRoland Dreier1-1/+1
In nes_show_wqm_quanta(), the wrong value is printed. Fix this. Signed-off-by: Roland Dreier <[email protected]>
2010-08-04RDMA/nes: Get rid of "set but not used" variablesRoland Dreier5-21/+2
Delete dead code in various places that is shown by gcc 4.6's new -Wunused-but-set-variable warnings. Signed-off-by: Roland Dreier <[email protected]>
2010-08-04PCI: update for owner removal from struct device_attributeStephen Rothwell1-2/+2
Fixes the build. Acked-by: Guenter Roeck <[email protected]> Signed-off-by: Stephen Rothwell <[email protected]> Signed-off-by: Jesse Barnes <[email protected]>
2010-08-04ALSA: als4000: Fix potentially invalid DMA mode setupOndrej Zary1-1/+1
My previous patch assumed that the DMA mode (represented by 3 lowest bits of ALS4K_GCR99_DMA_EMULATION_CTRL register) is set to the default value 0. If that's not the case, it might result in invalid mode to be set. This patch fixes this potential problem. Signed-off-by: Ondrej Zary <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2010-08-04RDMA/nes: Read firmware version from correct placeMiroslaw Walukiewicz1-1/+1
Signed-off-by: Mirek Walukiewicz <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2010-08-04IB/srp: Export req_lim via sysfsBart Van Assche1-0/+14
Export req_lim via sysfs for debugging. Signed-off-by: Bart Van Assche <[email protected]> Acked-by: David Dillow <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2010-08-04powerpc/8xx: Add support for the MPC8xx based boards from TQCHeiko Schocher5-0/+1269
Supported SMC1 (serial console), SCC1 Ethernet (10Mbps HD). FEC Ethernet, 8MB NOR CFI Flash. Tested on STK8xx with TQM860L (with FEC) and with TQM855M (without FEC). Signed-off-by: Heiko Schocher <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/85xx: Introduce support for the Freescale P1022DS reference boardTimur Tabi6-44/+814
Introduce basic support for the Freescale P1022DS reference board, based on the Freescale BSP for this board. This patch excludes the DIU, SSI, and MMC/SD drivers. Only a 36-bit DTS is provided. Update mpc86xx_smp_defconfig and mpc85xx_defconfig to support the P1022DS. This means enabling 64-bit physical address support, increasing the maximum zone order to 12 (to allow the DIU driver to allocate large chunks), and clean up the audio options to disable the deprecated OSS support. Signed-off-by: Timur Tabi <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/85xx: Adding DTS for the STx GP3-SSA MPC8555 boardBradley Hughes1-0/+380
This version uses "fsl,mpc8555..." instead of "fsl,85..." notation. There is also an 8541 version of this board so DTS for this board is specific to the 8555 processor. Another patch is coming to fix-up other DTS that use old notation. Signed-off-by: Bradley Hughes <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/85xx: Change deprecated binding for 85xx-based boardsBradley Hughes7-14/+14
The "fsl,85..." style compatible binding was to be deprecated some time ago. This patch corrects existing occurrences of the incorrect binding. The memory-controller and l2-cache-controller are the only affected nodes. Signed-off-by: Bradley Hughes <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/tqm85xx: add a quirk for ti1520 PCMCIA bridgeDmitry Eremin-Solenikov1-0/+21
By default ti1520 bridge expects an input clock on CLOCK pin (to control power chip). However on this boards CLOCK should be generated by PCI1520 itself. Add a quirk that enables internal 16 KHz clock generation on this pin. Signed-off-by: Dmitry Eremin-Solenikov <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/tqm85xx: update PCI interrupt-map attributeDmitry Eremin-Solenikov6-6/+48
Update PCI IRQ mapping on TQM85xx platforms: include INTC and INTD on PCI-X slot and add INTA/INTB mapping for PCMCIA bridge. Signed-off-by: Dmitry Eremin-Solenikov <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/mpc8308rdb: support for MPC8308RDB board from FreescaleIlya Yanok4-0/+406
This patch adds support for MPC8308RDB development board from Freescale. Supported devices: DUART Dual Ethernet NOR and NAND flashes I2C USB in peripheral mode PCIE support is broken by the commit 3da34aa ("powerpc/fsl: Support unique MSI addresses per PCIe Root Complex"). Works after revert. Signed-off-by: Ilya Yanok <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/fsl_pci: add quirk for mpc8308 pcie bridgeIlya Yanok2-0/+2
This patch adds the quirk for PCIE controller found on Freescale MPC8308. The quirk is the same as for other MPC83xx processors. Signed-off-by: Ilya Yanok <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/85xx: Cleanup QE initialization for MPC85xxMDS boardsAnton Vorontsov1-129/+143
The mpc85xx_mds_setup_arch() function is incomprehensible and unmaintainable. Factor out all QE specific stuff into mpc85xx_mds_qe_init() and mpc85xx_mds_reset_ucc_phys(). Also move QE stuff out of mpc85xx_mds_pic_init(). The diff is unreadable, but only because the code was so. ;-) It should be better now, and less indented. Signed-off-by: Anton Vorontsov <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/85xx: Fix booting for P1021MDS boardsAnton Vorontsov2-6/+38
P1021 processors have no dedicated ROM to store the QE microcode, so the fimrware is stored externally, and it is U-Boot responsibility to load it. It might be that the board is booting without QE, e.g. currently U-Boot doesn't support QE for P1021MDS boards, which means that QE isn't initialized, and so the board hangs early at boot. This patch fixes the issue by marking QE as disabled and checking the state in the probing code. U-Boot should fixup the state if it initialized the QE. Signed-off-by: Anton Vorontsov <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boardsAnton Vorontsov1-8/+8
The code inside '#ifdef CONFIG_QUICC_ENGINE' makes the mpc85xx_mds_setup_arch() return early if no QE nodes present, and so SWIOTLB is never initialized. This patch fixes the issue by moving SWIOTLB code above QE. Signed-off-by: Anton Vorontsov <[email protected]> Signed-off-by: Kumar Gala <[email protected]>
2010-08-04Merge branches 'slab/fixes', 'slob/fixes', 'slub/cleanups' and 'slub/fixes' ↵Pekka Enberg5-49/+56
into for-linus
2010-08-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds1177-50596/+73520
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1443 commits) phy/marvell: add 88ec048 support igb: Program MDICNFG register prior to PHY init e1000e: correct MAC-PHY interconnect register offset for 82579 hso: Add new product ID can: Add driver for esd CAN-USB/2 device l2tp: fix export of header file for userspace can-raw: Fix skb_orphan_try handling Revert "net: remove zap_completion_queue" net: cleanup inclusion phy/marvell: add 88e1121 interface mode support u32: negative offset fix net: Fix a typo from "dev" to "ndev" igb: Use irq_synchronize per vector when using MSI-X ixgbevf: fix null pointer dereference due to filter being set for VLAN 0 e1000e: Fix irq_synchronize in MSI-X case e1000e: register pm_qos request on hardware activation ip_fragment: fix subtracting PPPOE_SES_HLEN from mtu twice net: Add getsockopt support for TCP thin-streams cxgb4: update driver version cxgb4: add new PCI IDs ... Manually fix up conflicts in: - drivers/net/e1000e/netdev.c: due to pm_qos registration infrastructure changes - drivers/net/phy/marvell.c: conflict between adding 88ec048 support and cleaning up the IDs - drivers/net/wireless/ipw2x00/ipw2100.c: trivial ipw2100_pm_qos_req conflict (registration change vs marking it static)
2010-08-04IB/srp: Make receive buffer handling more robustBart Van Assche1-45/+44
The current strategy in ib_srp for posting receive buffers is: * Post one buffer after channel establishment. * Post one buffer before sending an SRP_CMD or SRP_TSK_MGMT to the target. As a result, only the first non-SRP_RSP information unit from the target will be processed. If that first information unit is an SRP_T_LOGOUT, it will be processed. On the other hand, if the initiator receives an SRP_CRED_REQ or SRP_AER_REQ before it receives a SRP_T_LOGOUT, the SRP_T_LOGOUT won't be processed. We can fix this inconsistency by changing the strategy for posting receive buffers to: * Post all receive buffers after channel establishment. * After a receive buffer has been consumed and processed, post it again. A side effect is that the ib_post_recv() call is moved out of the SCSI command processing path. Since __srp_post_recv() is not called directly any more, get rid of it and move the code directly into srp_post_recv(). Also, move srp_post_recv() up in the file to avoid a forward declaration. Signed-off-by: Bart Van Assche <[email protected]> Acked-by: David Dillow <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2010-08-04Merge branch 'for-linus' of ↵Linus Torvalds7-484/+924
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft-2.6: ibft: Use IBFT_SIGN instead of open-coding the search string. ibft: convert iscsi_ibft module to iscsi boot lib ibft: separate ibft parsing from sysfs interface ibft: For UEFI machines actually do scan ACPI for iBFT. ibft: Update iBFT handling for v1.03 of the spec.
2010-08-04IB/srp: Use print_hex_dump()Bart Van Assche1-13/+2
Replace an open-coded dump of the receive buffer with a call to print_hex_dump(). Signed-off-by: Bart Van Assche <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2010-08-04Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bpLinus Torvalds9-279/+121
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: amd64_edac: Minor formatting fix amd64_edac: Fix operator precendence error edac, mc: Improve scrub rate handling amd64_edac: Correct scrub rate setting amd64_edac: Fix DCT base address selector amd64_edac: Remove polling mechanism x86, mce: Notify about corrected events too amd64_edac: Remove unneeded defines edac: Remove EDAC_DEBUG_VERBOSE amd64_edac: Sanitize syndrome extraction
2010-08-04CRED: Fix RCU warning due to previous patch fixing __task_cred()'s checksDavid Howells1-3/+6
Commit 8f92054e7ca1 ("CRED: Fix __task_cred()'s lockdep check and banner comment") fixed the lockdep checks on __task_cred(). This has shown up a place in the signalling code where a lock should be held - namely that check_kill_permission() requires its callers to hold the RCU lock. Fix group_send_sig_info() to get the RCU read lock around its call to check_kill_permission(). Without this patch, the following warning can occur: =================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- kernel/signal.c:660 invoked rcu_dereference_check() without protection! ... Reported-by: Tetsuo Handa <[email protected]> Signed-off-by: David Howells <[email protected]> Acked-by: Oleg Nesterov <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-08-04block_dev: always serialize exclusive open attemptsTejun Heo1-2/+2
bd_prepare_to_claim() incorrectly allowed multiple attempts for exclusive open to progress in parallel if the attempting holders are identical. This triggered BUG_ON() as reported in the following bug. https://bugzilla.kernel.org/show_bug.cgi?id=16393 __bd_abort_claiming() is used to finish claiming blocks and doesn't work if multiple openers are inside a claiming block. Allowing multiple parallel open attempts to continue doesn't gain anything as those are serialized down in the call chain anyway. Fix it by always allowing only single open attempt in a claiming block. This problem can easily be reproduced by adding a delay after bd_prepare_to_claim() and attempting to mount two partitions of a disk. stable: only applicable to v2.6.35 Signed-off-by: Tejun Heo <[email protected]> Reported-by: Markus Trippelsdorf <[email protected]> Cc: [email protected] Signed-off-by: Linus Torvalds <[email protected]>
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