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2013-04-29Merge tag 'char-misc-3.10-rc1' of ↵Linus Torvalds4-27/+5
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver update from Greg Kroah-Hartman: "Here's the big char / misc driver update for 3.10-rc1 A number of various driver updates, the majority being new functionality in the MEI driver subsystem (it's now a subsystem, it started out just a single driver), extcon updates, memory updates, hyper-v updates, and a bunch of other small stuff that doesn't fit in any other tree. All of these have been in linux-next for a while" * tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (148 commits) Tools: hv: Fix a checkpatch warning tools: hv: skip iso9660 mounts in hv_vss_daemon tools: hv: use FIFREEZE/FITHAW in hv_vss_daemon tools: hv: use getmntent in hv_vss_daemon Tools: hv: Fix a checkpatch warning tools: hv: fix checks for origin of netlink message in hv_vss_daemon Tools: hv: fix warnings in hv_vss_daemon misc: mark spear13xx-pcie-gadget as broken mei: fix krealloc() misuse in in mei_cl_irq_read_msg() mei: reduce flow control only for completed messages mei: reseting -> resetting mei: fix reading large reposnes mei: revamp mei_irq_read_client_message function mei: revamp mei_amthif_irq_read_message mei: revamp hbm state machine Revert "drivers/scsi: use module_pcmcia_driver() in pcmcia drivers" Revert "scsi: pcmcia: nsp_cs: remove module init/exit function prototypes" scsi: pcmcia: nsp_cs: remove module init/exit function prototypes mei: wd: fix line over 80 characters misc: tsl2550: Use dev_pm_ops ...
2013-04-25hwrng: timeriomem - added devicetree hooksAlexander Clouter1-2/+22
This patch allows timeriomem_rng to be used via devicetree. Signed-off-by: Alexander Clouter <alex@digriz.org.uk> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-04-25hwrng: timeriomem - update to support more than one deviceAlexander Clouter1-54/+116
timeriomem_rng only supports a single device instance. This patch enables multiple timeriomem_rng devices to coexist as well as adds some additional error checking. Signed-off-by: Alexander Clouter <alex@digriz.org.uk> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-04-25hwrng: bcm2835 - Add Broadcom BCM2835 RNG driverLubomir Rintel3-0/+126
This adds a driver for random number generator present on Broadcom BCM2835 SoC, used in Raspberry Pi and Roku 2 devices. Signed-off-by: Dom Cobley <popcornmix@gmail.com> Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Tested-by: Stephen Warren <swarren@wwwdotorg.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Matt Mackall <mpm@selenic.com> Cc: linux-rpi-kernel@lists.infradead.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-04-19vm: convert HPET mmap to vm_iomap_memory() helperLinus Torvalds1-13/+1
This is my example conversion of a few existing mmap users. The HPET case is simple, widely available, and easy to test (Clemens Ladisch sent a trivial test-program for it). Test-program-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-17TPM: Retry SaveState command in suspend pathDuncan Laurie2-4/+30
If the TPM has already been sent a SaveState command before the driver is loaded it may have problems sending that same command again later. This issue is seen with the Chromebook Pixel due to a firmware bug in the legacy mode boot path which is sending the SaveState command before booting the kernel. More information is available at http://crbug.com/203524 This change introduces a retry of the SaveState command in the suspend path in order to work around this issue. A future firmware update should fix this but this is also a trivial workaround in the driver that has no effect on systems that do not show this problem. When this does happen the TPM responds with a non-fatal TPM_RETRY code that is defined in the specification: The TPM is too busy to respond to the command immediately, but the command could be resubmitted at a later time. The TPM MAY return TPM_RETRY for any command at any time. It can take several seconds before the TPM will respond again. I measured a typical time between 3 and 4 seconds and the timeout is set at a safe 5 seconds. It is also possible to reproduce this with commands via /dev/tpm0. The bug linked above has a python script attached which can be used to test for this problem. I tested a variety of TPMs from Infineon, Nuvoton, Atmel, and STMicro but was only able to reproduce this with LPC and I2C TPMs from Infineon. The TPM specification only loosely defines this behavior: TPM Main Level 2 Part 3 v1.2 r116, section 3.3. TPM_SaveState: The TPM MAY declare all preserved values invalid in response to any command other than TPM_Init. TCG PC Client BIOS Spec 1.21 section 8.3.1. After issuing a TPM_SaveState command, the OS SHOULD NOT issue TPM commands before transitioning to S3 without issuing another TPM_SaveState command. TCG PC Client TIS 1.21, section 4. Power Management: The TPM_SaveState command allows a Static OS to indicate to the TPM that the platform may enter a low power state where the TPM will be required to enter into the D3 power state. The use of the term "may" is significant in that there is no requirement for the platform to actually enter the low power state after sending the TPM_SaveState command. The software may, in fact, send subsequent commands after sending the TPM_SaveState command. Change-Id: I52b41e826412688e5b6c8ddd3bb16409939704e9 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-04-15virtio: console: replace EMFILE with EBUSY for already-open portAmit Shah1-1/+1
Returning EMFILE (process has too many open files) is incorrect to indicate a port is already open by another process. Use EBUSY for that. This does change what we report to userspace, but I believe userspace can look at it this way: it gets EBUSY, a new error code, instead of EMFILE. It's still an error, and that's not changing. Reported-by: Mateusz Guzik <mguzik@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-04-14Merge 3.9-rc7 into char-misc-nextGreg Kroah-Hartman2-14/+39
We want the fixes in there. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-12tpm/tpm_i2c_infineon: Add small comment about return value of __i2c_transferPeter Huewe1-0/+9
Kent Yoder indicated that the code might be a bit clearer with a comment here, so this patch adds a small explanation of the code. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-04-12tpm/tpm_i2c_infineon.c: Add OF attributes type and name to the of_device_id ↵Peter Huewe1-3/+18
table entries As the subject says. It's probably a good idea to have these fields populated. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-04-12tpm_i2c_stm_st33: Remove duplicate inclusion of header filesSachin Kamat1-2/+0
module.h and sched.h were included twice. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-04-12tpm: Add support for new Infineon I2C TPM (SLB 9645 TT 1.2 I2C)Peter Huewe1-40/+97
This driver adds support for Infineon's new SLB 9645 TT 1.2 I2C TPMs, which supports clockstretching, combined reads and a bus speed of up to 400khz. The device also has a new device id. The driver works now also fine with device trees, so you can instantiate your device by adding: + tpm { + compatible = "infineon,slb9645tt"; + reg = <0x20>; + }; for SLB 9645 devices or + tpm { + compatible = "infineon,slb9635tt"; + reg = <0x20>; + }; for SLB 9635 devices to your device tree. tpm_i2c_infineon is also retained as a compatible id as a fallback to slb9635 protocol. The driver was tested on Beaglebone. Signed-off-by: Peter Huewe <peter.huewe@infineon.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-04-12char/tpm: Convert struct i2c_msg initialization to C99 formatShubhrajyoti Datta1-3/+16
Convert the struct i2c_msg initialization to C99 format. This makes maintaining and editing the code simpler. Also helps once other fields like transferred are added in future. Thanks to Julia Lawall for automating the conversion. Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Acked-by: Peter Huewe <peter.huewe@infineon.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-04-12drivers/char/tpm/tpm_ppi: use strlcpy instead of strncpyChen Gang1-7/+7
Ensure that the 'version' string includes a NULL terminator after its copied out of the acpi table. Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-04-12tpm/tpm_i2c_stm_st33: formatting and white space changesPeter Huewe1-31/+31
Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-04-09procfs: new helper - PDE_DATA(inode)Al Viro2-6/+6
The only part of proc_dir_entry the code outside of fs/proc really cares about is PDE(inode)->data. Provide a helper for that; static inline for now, eventually will be moved to fs/proc, along with the knowledge of struct proc_dir_entry layout. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-09get rid of a bunch of open-coded create_proc_read_entry()Al Viro1-4/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08virtio_console: make local symbols staticWei Yongjun1-3/+3
Those symbols only used within this file, and should be static. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-04-01Merge tag 'fixes-for-linus' of ↵Linus Torvalds2-14/+39
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull virtio fixes from Rusty Russell: "One reversion, a tiny leak fix, and a cc:stable locking fix, in two parts" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: virtio: console: add locking around c_ovq operations virtio: console: rename cvq_lock to c_ivq_lock hw_random: free rng_buffer at module exit Revert "virtio_console: Initialize guest_connected=true for rproc_serial"
2013-03-30virtio: console: add locking around c_ovq operationsAmit Shah1-0/+5
When multiple ovq operations are being performed (lots of open/close operations on virtio_console fds), the __send_control_msg() function can get confused without locking. A simple recipe to cause badness is: * create a QEMU VM with two virtio-serial ports * in the guest, do while true;do echo abc >/dev/vport0p1;done while true;do echo edf >/dev/vport0p2;done In one run, this caused a panic in __send_control_msg(). In another, I got virtio_console virtio0: control-o:id 0 is not a head! This also results repeated messages similar to these on the host: qemu-kvm: virtio-serial-bus: Unexpected port id 478762112 for device virtio-serial-bus.0 qemu-kvm: virtio-serial-bus: Unexpected port id 478762368 for device virtio-serial-bus.0 Reported-by: FuXiangChun <xfu@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Reviewed-by: Asias He <asias@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org
2013-03-30virtio: console: rename cvq_lock to c_ivq_lockAmit Shah1-8/+9
The cvq_lock was taken for the c_ivq. Rename the lock to make that obvious. We'll also add a lock around the c_ovq in the next commit, so there's no ambiguity. Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Asias He <asias@redhat.com> Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org
2013-03-26Merge tag 'arizona-extcon-asoc' of ↵Greg Kroah-Hartman1-2/+11
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into char-misc-next Mark writes: ASoC/extcon: arizona: Fix interaction between HPDET and headphone outputs This patch series covers both ASoC and extcon subsystems and fixes an interaction between the HPDET function and the headphone outputs - we really shouldn't run HPDET while the headphone is active. The first patch is a refactoring to make the extcon side easier.
2013-03-25drivers: char: Use PTR_RET functionAlexandru Gheorghiu1-1/+1
Used PTR_RET function instead of IS_ERR and PTR_ERR. Patch found using coccinelle. Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-22hwrng: mxc-rnga - Use devm_ioremap_resource()Fabio Estevam1-17/+4
Using devm_ioremap_resource() can make the code cleaner and simpler. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-03-22hwrng: exynos - add CONFIG_PM_SLEEP/CONFIG_PM_RUNTIME to suspend/resumeJingoo Han1-1/+2
This patch adds CONFIG_PM_SLEEP to suspend/resume functions to fix the following build warning when CONFIG_PM_SLEEP is not selected. drivers/char/hw_random/exynos-rng.c:147:12: warning: 'exynos_rng_runtime_suspend' defined but not used [-Wunused-function] drivers/char/hw_random/exynos-rng.c:157:12: warning: 'exynos_rng_runtime_resume' defined but not used [-Wunused-function] Add CONFIG_PM_RUNTIME to suspend/resume functions to fix the build error. It is because UNIVERSAL_DEV_PM_OPS macro is related to both CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME. drivers/char/hw_random/exynos-rng.c:167:8: error: 'exynos_rng_runtime_suspend' undeclared here (not in a function) drivers/char/hw_random/exynos-rng.c:167:8: error: 'exynos_rng_runtime_resume' undeclared here (not in a function) Signed-off-by: Jingoo Han <jg1.han@samsung.com> Reported-by: David Rientjes <rientjes@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-03-20virtio_console: use simplified virtqueue accessors.Rusty Russell1-3/+3
We never add buffers with input and output parts, so use the new accessors. Acked-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-20virtio_rng: use simplified virtqueue accessors.Rusty Russell1-1/+1
We never add buffers with input and output parts, so use the new accessors. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Asias He <asias@redhat.com>
2013-03-20hw_random: free rng_buffer at module exitSatoru Takeuchi1-0/+9
rng-core module allocates rng_buffer by kmalloc() since commit f7f154f1246ccc5a0a7e9ce50932627d60a0c878. But this buffer won't be freed and there is a memory leak possibility at module exit. Signed-off-by: Satoru Takeuchi <satoru.takeuchi@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-18Revert "virtio_console: Initialize guest_connected=true for rproc_serial"Sjur Brændeland1-6/+16
This reverts commit 8078db789a92b10ff6e2d713231b5367e014c53b, and adds a lengthy comment explaining the problem area. The reverted patch caused opening of ports to fail for rproc_serial. In probe guest_connected was set to true, but port_fops_open() fails with -EMFILE if guest_connected already is true. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Acked-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-03-15drivers: char: use module_platform_driver_probe()Fabio Porcedda2-24/+2
This patch converts the drivers to use the module_platform_driver_probe() macro which makes the code smaller and a bit simpler. Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com> Cc: Matt Mackall <mpm@selenic.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15applicom: use correct array offsetDan Carpenter1-2/+2
We're iterating through abps[] printing information, but here we use the wrong array index. IndexCard comes from the user and in this case it was specifically not range checked because we didn't expect to use it. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-12Merge tag 'fixes-for-linus' of ↵Linus Torvalds1-2/+11
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull virtio rng buffix from Rusty Russell: "Simple virtio-rng fix." * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: virtio: rng: disallow multiple device registrations, fixes crashes
2013-03-08Merge tag 'random_for_linus' of ↵Linus Torvalds1-4/+8
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random Pull random fixes from Ted Ts'o: "Fix a circular locking dependency in random's collection of cputime used by a thread when it exits." * tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: random: fix locking dependency with the tasklist_lock
2013-03-08virtio: rng: disallow multiple device registrations, fixes crashesAmit Shah1-2/+11
The code currently only supports one virtio-rng device at a time. Invoking guests with multiple devices causes the guest to blow up. Check if we've already registered and initialised the driver. Also cleanup in case of registration errors or hot-unplug so that a new device can be used. Reported-by: Peter Krempa <pkrempa@redhat.com> Reported-by: <yunzheng@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org
2013-03-05hw_random: make buffer usable in scatterlist.Rusty Russell1-3/+16
virtio_rng feeds the randomness buffer handed by the core directly into the scatterlist, since commit bb347d98079a547e80bd4722dee1de61e4dca0e8. However, if CONFIG_HW_RANDOM=m, the static buffer isn't a linear address (at least on most archs). We could fix this in virtio_rng, but it's actually far easier to just do it in the core as virtio_rng would have to allocate a buffer every time (it doesn't know how much the core will want to read). Reported-by: Aurelien Jarno <aurelien@aurel32.net> Tested-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org
2013-03-04random: fix locking dependency with the tasklist_lockTheodore Ts'o1-4/+8
Commit 6133705494bb introduced a circular lock dependency because posix_cpu_timers_exit() is called by release_task(), which is holding a writer lock on tasklist_lock, and this can cause a deadlock since kill_fasync() gets called with nonblocking_pool.lock taken. There's no reason why kill_fasync() needs to be taken while the random pool is locked, so move it out to fix this locking dependency. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reported-by: Russ Dill <Russ.Dill@gmail.com> Cc: stable@kernel.org
2013-02-27drivers/char/misc.c:misc_register(): do not loop on misc_list unconditionallyDae S. Kim1-7/+9
If the minor number is assigned dynamically, there is no need to search for misc->minor in misc_list, since misc->minor == MISC_DYNAMIC_MINOR. [akpm@linux-foundation.org: reduce scope of local `c'] Signed-off-by: Dae S. Kim <dae@velatum.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27ipmi: add options to disable openfirmware and PCI scanningCorey Minyard1-10/+28
Add try... parameters to disable pci and platform (openfirmware) device scanning for IPMI. Also add docs for all the try... parameters. Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27ipmi: add new kernel options to prevent automatic ipmi initCorey Minyard1-4/+24
The configuration change building ipmi_si into the kernel precludes the use of a custom driver that can utilize more than one KCS interface, multiple IPMBs, and more than one BMC. This capability is important for fault-tolerant systems. Even if the kernel option ipmi_si.trydefaults=0 is specified, ipmi_si discovers and claims one of the KCS interfaces on a Stratus server. The inability to now prevent the kernel from managing this device is a regression from previous kernels. The regression breaks a capability fault-tolerant vendors have relied upon. To support both ACPI opregion access and the need to avoid activation of ipmi_si on some platforms, we've added two new kernel options, ipmi_si.tryacpi and ipmi_si.trydmi be added to prevent ipmi_si from initializing when these options are set to 0 on the kernel command line. With these options at the default value of 1, ipmi_si init proceeds according to the kernel default. Tested-by: Jim Paradis <jparadis@redhat.com> Signed-off-by: Robert Evans <Robert.Evans@stratus.com> Signed-off-by: Jim Paradis <jparadis@redhat.com> Signed-off-by: Tony Camuso <tcamuso@redhat.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-26Merge branch 'for-linus' of ↵Linus Torvalds11-23/+23
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs pile (part one) from Al Viro: "Assorted stuff - cleaning namei.c up a bit, fixing ->d_name/->d_parent locking violations, etc. The most visible changes here are death of FS_REVAL_DOT (replaced with "has ->d_weak_revalidate()") and a new helper getting from struct file to inode. Some bits of preparation to xattr method interface changes. Misc patches by various people sent this cycle *and* ocfs2 fixes from several cycles ago that should've been upstream right then. PS: the next vfs pile will be xattr stuff." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits) saner proc_get_inode() calling conventions proc: avoid extra pde_put() in proc_fill_super() fs: change return values from -EACCES to -EPERM fs/exec.c: make bprm_mm_init() static ocfs2/dlm: use GFP_ATOMIC inside a spin_lock ocfs2: fix possible use-after-free with AIO ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero target: writev() on single-element vector is pointless export kernel_write(), convert open-coded instances fs: encode_fh: return FILEID_INVALID if invalid fid_type kill f_vfsmnt vfs: kill FS_REVAL_DOT by adding a d_weak_revalidate dentry op nfsd: handle vfs_getattr errors in acl protocol switch vfs_getattr() to struct path default SET_PERSONALITY() in linux/elf.h ceph: prepopulate inodes only when request is aborted d_hash_and_lookup(): export, switch open-coded instances 9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate() 9p: split dropping the acls from v9fs_set_create_acl() ...
2013-02-26Merge tag 'virtio-next-for-linus' of ↵Linus Torvalds2-26/+5
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull virtio updates from Rusty Russell: "All trivial, thanks to the stuff which didn't quite make it time" * tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: virtio_console: Initialize guest_connected=true for rproc_serial virtio: use module_virtio_driver. virtio: Add module driver macro for virtio drivers. virtio_console: Use virtio device index to generate port name virtio: make pci_device_id const virtio: make config_ops const virtio-mmio: fix wrong comment about register offset virtio_console: Let unconnected rproc device receive data.
2013-02-25Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds1-55/+73
Pull drm merge from Dave Airlie: "Highlights: - TI LCD controller KMS driver - TI OMAP KMS driver merged from staging - drop gma500 stub driver - the fbcon locking fixes - the vgacon dirty like zebra fix. - open firmware videomode and hdmi common code helpers - major locking rework for kms object handling - pageflip/cursor won't block on polling anymore! - fbcon helper and prime helper cleanups - i915: all over the map, haswell power well enhancements, valleyview macro horrors cleaned up, killing lots of legacy GTT code, - radeon: CS ioctl unification, deprecated UMS support, gpu reset rework, VM fixes - nouveau: reworked thermal code, external dp/tmds encoder support (anx9805), fences sleep instead of polling, - exynos: all over the driver fixes." Lovely conflict in radeon/evergreen_cs.c between commit de0babd60d8d ("drm/radeon: enforce use of radeon_get_ib_value when reading user cmd") and the new changes that modified that evergreen_dma_cs_parse() function. * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (508 commits) drm/tilcdc: only build on arm drm/i915: Revert hdmi HDP pin checks drm/tegra: Add list of framebuffers to debugfs drm/tegra: Fix color expansion drm/tegra: Split DC_CMD_STATE_CONTROL register write drm/tegra: Implement page-flipping support drm/tegra: Implement VBLANK support drm/tegra: Implement .mode_set_base() drm/tegra: Add plane support drm/tegra: Remove bogus tegra_framebuffer structure drm: Add consistency check for page-flipping drm/radeon: Use generic HDMI infoframe helpers drm/tegra: Use generic HDMI infoframe helpers drm: Add EDID helper documentation drm: Add HDMI infoframe helpers video: Add generic HDMI infoframe helpers drm: Add some missing forward declarations drm: Move mode tables to drm_edid.c drm: Remove duplicate drm_mode_cea_vic() gma500: Fix n, m1 and m2 clock limits for sdvo and lvds ...
2013-02-22new helper: file_inode(file)Al Viro11-23/+23
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-22Merge branch 'core-locking-for-linus' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core locking changes from Ingo Molnar: "The biggest change is the rwsem lock-steal improvements, both to the assembly optimized and the spinlock based variants. The other notable change is the clean up of the seqlock implementation to be based on the seqcount infrastructure. The rest is assorted smaller debuggability, cleanup and continued -rt locking changes." * 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rwsem-spinlock: Implement writer lock-stealing for better scalability futex: Revert "futex: Mark get_robust_list as deprecated" generic: Use raw local irq variant for generic cmpxchg lockdep: Selftest: convert spinlock to raw spinlock seqlock: Use seqcount infrastructure seqlock: Remove unused functions ntp: Make ntp_lock raw intel_idle: Convert i7300_idle_lock to raw_spinlock locking: Various static lock initializer fixes lockdep: Print more info when MAX_LOCK_DEPTH is exceeded rwsem: Implement writer lock-stealing for better scalability lockdep: Silence warning if CONFIG_LOCKDEP isn't set watchdog: Use local_clock for get_timestamp() lockdep: Rename print_unlock_inbalance_bug() to print_unlock_imbalance_bug() locking/stat: Fix a typo
2013-02-21Merge tag 'char-misc-3.9-rc1' of ↵Linus Torvalds3-311/+346
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver patches from Greg Kroah-Hartman: "Here's the big char/misc driver patches for 3.9-rc1. Nothing major here, just lots of different driver updates (mei, hyperv, ipack, extcon, vmci, etc.). All of these have been in the linux-next tree for a while." * tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (209 commits) w1: w1_therm: Add force-pullup option for "broken" sensors w1: ds2482: Added 1-Wire pull-up support to the driver vme: add missing put_device() after device_register() fails extcon: max8997: Use workqueue to check cable state after completing boot of platform extcon: max8997: Set default UART/USB path on probe extcon: max8997: Consolidate duplicate code for checking ADC/CHG cable type extcon: max8997: Set default of ADC debounce time during initialization extcon: max8997: Remove duplicate code related to set H/W line path extcon: max8997: Move defined constant to header file extcon: max77693: Make max77693_extcon_cable static extcon: max8997: Remove unreachable code extcon: max8997: Make max8997_extcon_cable static extcon: max77693: Remove unnecessary goto statement to improve readability extcon: max77693: Convert to devm_input_allocate_device() extcon: gpio: Rename filename of extcon-gpio.c according to kernel naming style CREDITS: update email and address of Harald Hoyer extcon: arizona: Use MICDET for final microphone identification extcon: arizona: Always take the first HPDET reading as the final one extcon: arizona: Clear _trig_sts bits after jack detection extcon: arizona: Don't HPDET magic when headphones are enabled ...
2013-02-21Merge tag 'tty-3.9-rc1' of ↵Linus Torvalds3-36/+37
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial patches from Greg Kroah-Hartman: "Here's the big tty/serial driver patches for 3.9-rc1. More tty port rework and fixes from Jiri here, as well as lots of individual serial driver updates and fixes. All of these have been in the linux-next tree for a while." * tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits) tty: mxser: improve error handling in mxser_probe() and mxser_module_init() serial: imx: fix uninitialized variable warning serial: tegra: assume CONFIG_OF TTY: do not update atime/mtime on read/write lguest: select CONFIG_TTY to build properly. ARM defconfigs: add missing inclusions of linux/platform_device.h fb/exynos: include platform_device.h ARM: sa1100/assabet: include platform_device.h directly serial: imx: Fix recursive locking bug pps: Fix build breakage from decoupling pps from tty tty: Remove ancient hardpps() pps: Additional cleanups in uart_handle_dcd_change pps: Move timestamp read into PPS code proper pps: Don't crash the machine when exiting will do pps: Fix a use-after free bug when unregistering a source. pps: Use pps_lookup_dev to reduce ldisc coupling pps: Add pps_lookup_dev() function tty: serial: uartlite: Support uartlite on big and little endian systems tty: serial: uartlite: Fix sparse and checkpatch warnings serial/arc-uart: Miscll DT related updates (Grant's review comments) ... Fix up trivial conflicts, mostly just due to the TTY config option clashing with the EXPERIMENTAL removal.
2013-02-21Merge tag 'driver-core-3.9-rc1' of ↵Linus Torvalds3-10/+12
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core patches from Greg Kroah-Hartman: "Here is the big driver core merge for 3.9-rc1 There are two major series here, both of which touch lots of drivers all over the kernel, and will cause you some merge conflicts: - add a new function called devm_ioremap_resource() to properly be able to check return values. - remove CONFIG_EXPERIMENTAL Other than those patches, there's not much here, some minor fixes and updates" Fix up trivial conflicts * tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits) base: memory: fix soft/hard_offline_page permissions drivercore: Fix ordering between deferred_probe and exiting initcalls backlight: fix class_find_device() arguments TTY: mark tty_get_device call with the proper const values driver-core: constify data for class_find_device() firmware: Ignore abort check when no user-helper is used firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER firmware: Make user-mode helper optional firmware: Refactoring for splitting user-mode helper code Driver core: treat unregistered bus_types as having no devices watchdog: Convert to devm_ioremap_resource() thermal: Convert to devm_ioremap_resource() spi: Convert to devm_ioremap_resource() power: Convert to devm_ioremap_resource() mtd: Convert to devm_ioremap_resource() mmc: Convert to devm_ioremap_resource() mfd: Convert to devm_ioremap_resource() media: Convert to devm_ioremap_resource() iommu: Convert to devm_ioremap_resource() drm: Convert to devm_ioremap_resource() ...
2013-02-21Merge branch 'next' of ↵Linus Torvalds12-80/+1155
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem updates from James Morris: "This is basically a maintenance update for the TPM driver and EVM/IMA" Fix up conflicts in lib/digsig.c and security/integrity/ima/ima_main.c * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (45 commits) tpm/ibmvtpm: build only when IBM pseries is configured ima: digital signature verification using asymmetric keys ima: rename hash calculation functions ima: use new crypto_shash API instead of old crypto_hash ima: add policy support for file system uuid evm: add file system uuid to EVM hmac tpm_tis: check pnp_acpi_device return code char/tpm/tpm_i2c_stm_st33: drop temporary variable for return value char/tpm/tpm_i2c_stm_st33: remove dead assignment in tpm_st33_i2c_probe char/tpm/tpm_i2c_stm_st33: Remove __devexit attribute char/tpm/tpm_i2c_stm_st33: Don't use memcpy for one byte assignment tpm_i2c_stm_st33: removed unused variables/code TPM: Wait for TPM_ACCESS tpmRegValidSts to go high at startup tpm: Fix cancellation of TPM commands (interrupt mode) tpm: Fix cancellation of TPM commands (polling mode) tpm: Store TPM vendor ID TPM: Work around buggy TPMs that block during continue self test tpm_i2c_stm_st33: fix oops when i2c client is unavailable char/tpm: Use struct dev_pm_ops for power management TPM: STMicroelectronics ST33 I2C BUILD STUFF ...
2013-02-20drm/i915: Disable WC PTE updates to w/a buggy IOMMU on ILKChris Wilson1-2/+35
Whilst IOMMU is enabled for the Intel GPU on Ironlake, it appears that using WC writes to update the PTE on the GPU fails miserably. The result looks like the majority of the writes do not land leading to lots of screen corruption and a hard system hang. v2: s/</<=/ to preserve the current exclusion of Sandybridge Reported-by: Nathan Myers <ncm@cantrip.org> Bugzilla: https://bugzilla.freedesktop.org/show_bug.cgi?id=60391 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: Nathan Myers <ncm@cantrip.org> [danvet: Remove cc: stable and add tested-by.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-02-19locking: Various static lock initializer fixesThomas Gleixner1-3/+3
The static lock initializers want to be fed the proper name of the lock and not some random string. In mainline random strings are obfuscating the readability of debug output, but for RT they prevent the spinlock substitution. Fix it up. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>