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2013-07-08hp-wmi: Enable hotkeys on some systemsMatthew Garrett
Kyle Evans discovered that he needed to set some bits in an EC register in order to receive hotkey events. Doing so blindly broke some otherwise working HP laptops. It turns out that there's a WMI call that accesses the same register, so let's try calling that instead. Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com> Cc: Kyle Evans <kvans32@gmail.com>
2013-07-08[SCSI] storvsc: Increase the value of STORVSC_MAX_IO_REQUESTSK. Y. Srinivasan
Increase the value of STORVSC_MAX_IO_REQUESTS to 200 requests. The current ringbuffer size can support this higher value. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08thermal: cpu_cooling: fix stub functionArnd Bergmann
The function stub for cpufreq_cooling_get_level introduced in 57df81069 "Thermal: exynos: fix cooling state translation" is not syntactically correct C and needs to be fixed to avoid this error: In file included from drivers/thermal/db8500_thermal.c:20:0: include/linux/cpu_cooling.h: In function 'cpufreq_cooling_get_level': include/linux/cpu_cooling.h:57:1: error: parameter name omitted unsigned long cpufreq_cooling_get_level(unsigned int, unsigned int) ^ include/linux/cpu_cooling.h:57:1: error: parameter name omitted Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Eduardo Valentin <eduardo.valentin@ti.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Amit Daniel kachhap <amit.daniel@samsung.com> Cc: stable@vger.kernel.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
2013-07-08thermal: ti-soc-thermal: use standard GPIO DT bindingsEduardo Valentin
This change updates the ti-soc-thermal driver to use standard GPIO DT bindings to read the GPIO number associated to thermal shutdown IRQ, in case the device features it. Previously, the code was using a specific DT bindings. As now OMAP supports the standard way to model GPIOs, there is no point in having a ti specific binding. Cc: Zhang Rui <rui.zhang@intel.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <rob.herring@calxeda.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: devicetree-discuss@lists.ozlabs.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
2013-07-08thermal: MAINTAINERS: Add git tree path for SoC specific updatesEduardo Valentin
To reduce thermal maintenance load on Rui, SoC specific patches would be applied by me now. Rui Zhang will pull in these changes from time to time (at rc's). Additionally I would be sending him pull request for every merge window and rc's (for fixes). Branch names would be: next and fixes. Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
2013-07-08MAINTAINERS & ABI: Update to point to my new emailMauro Carvalho Chehab
As mchehab@redhat.com is no longer valid, update it to reflect the new one. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2013-07-08hwmon: (lm63) Drop redundant safety on cache lifetimeJean Delvare
time_after (as opposed to time_after_equal) already ensures that the cache lifetime is at least as much as requested. There is no point in manually adding another jiffy to that value, and this can confuse the reader into wrong interpretation. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Imre Deak <imre.deak@intel.com>
2013-07-08hwmon: (lm90) Drop redundant safety on cache lifetimeJean Delvare
time_after (as opposed to time_after_equal) already ensures that the cache lifetime is at least as much as requested. There is no point in manually adding another jiffy to that value, and this can confuse the reader into wrong interpretation. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Imre Deak <imre.deak@intel.com>
2013-07-08ncpfs: fix error return code in ncp_parse_options()Wei Yongjun
Fix to return -EINVAL from the option parse error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-08locks: move file_lock_list to a set of percpu hlist_heads and convert ↵Jeff Layton
file_lock_lock to an lglock The file_lock_list is only used for /proc/locks. The vastly common case is for locks to be put onto the list and come off again, without ever being traversed. Help optimize for this use-case by moving to percpu hlist_head-s. At the same time, we can make the locking less contentious by moving to an lglock. When iterating over the lists for /proc/locks, we must take the global lock and then iterate over each CPU's list in turn. This change necessitates a new fl_link_cpu field to keep track of which CPU the entry is on. On x86_64 at least, this field is placed within an existing hole in the struct to avoid growing the size. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-08seq_file: add seq_list_*_percpu helpersJeff Layton
When we convert the file_lock_list to a set of percpu lists, we'll need a way to iterate over them in order to output /proc/locks info. Add some seq_list_*_percpu helpers to handle that. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-08f2fs: fix readdir incorrectnessJaegeuk Kim
In the previous Al Viro's readdir patch set, there occurs a bug when running xfstest: 006 as follows. [Error output] alpha size = 4, name length = 6, total files = 4096, nproc=1 1023 files created rm: cannot remove `/mnt/f2fs/permname.15150/a': Directory not empty [Correct output] alpha size = 4, name length = 6, total files = 4096, nproc=1 4097 files created This bug is due to the misupdate of directory position in ctx. So, this patch fixes this. [AV: fixed a braino] CC: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-07-08video: imxfb: Add DT supportMarkus Pargmann
Add devicetree support for imx framebuffer driver. It uses the generic display bindings and helper functions. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: Mark Rutland <mark.rutland@arm.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
2013-07-08xtensa: remove the second argument of __bio_kmap_atomic()Zhao Hongjiang
kmap_atomic allows only one argument now, just remove the unused 'kmtype'. Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: add static function tracer supportMax Filippov
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: Flat DeviceTree copy not future-safeVineet Gupta
flat DT copy code calls bootmem allocator with @align = 0. This is probably OK with legacy allocator which xtensa uses right now, but this will panic right away with memblock allocator Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Marc Gauthier <marc@tensilica.com> Cc: linux-xtensa@linux-xtensa.org Cc: linux-kernel@vger.kernel.org Acked-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: check TLB sanity on return to userspaceMax Filippov
- check that user TLB mappings correspond to the current page table; - check that TLB mapping VPN is in the kernel/user address range in accordance with its ASID. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: adjust boot parameters address when ↵Max Filippov
INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is selected The virtual address of boot parameters chain is passed to the kernel via a2 register. Adjust it in case it is remapped during MMUv3 -> MMUv2 mapping change, i.e. when it is in the first 128M. Also fix interpretation of initrd and FDT addresses passed in the boot parameters: these are physical addresses. Cc: stable@vger.kernel.org Reported-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: bootparams: fix typoBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: tell git to ignore generated .dtb filesBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: ccount based sched_clockBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: ccount based clockevent implementationBaruch Siach
Reused some code from a preliminary implementation by Max Fillippov. Cc: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: consolidate ccount access routinesBaruch Siach
Use get_ccount everywhere; remove xtensa_get_ccount. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: cleanup ccount frequency trackingBaruch Siach
Remove unused nsec_per_ccount, and rename ccount_per_jiffy to ccount_preq. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: timex.h: remove unused symbolsBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08xtensa: tell git to ignore copied zlib source filesBaruch Siach
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-07-08Merge branch 'timers-core-for-linus' of ↵Chris Zankel
https://git.kernel.org/cgit/linux/kernel/git/tip/tip into tst5
2013-07-08mm/slab: Give s_next and s_stop slab-specific namesWanpeng Li
Give s_next and s_stop slab-specific names instead of exporting "s_next" and "s_stop". Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2013-07-08ALSA: hda - Keep halting ALC5505 DSPTakashi Iwai
ALC5505 DSP is enabled even though we don't use the features yet at all. This results in the unnecessarily high power consumption, more than 100mV higher. Until we implement the DSP support, better to bypass DSP for saving more power. Reported-by: Mengdong Lin <mengdong.lin@intel.com> [Patch modified by Mengdong to cal alc5505_dsp_init() with extra acl5505_dsp_halt().] Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-07-08[SCSI] storvsc: Support FC devicesK. Y. Srinivasan
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-08[SCSI] storvsc: Implement multi-channel supportK. Y. Srinivasan
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-07-07fs/9p: Remove the unused variable "err" in v9fs_vfs_getattr()Gu Zheng
Delete the unused variable "err" in v9fs_vfs_getattr() Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P: Add cancelled() to the transport functions.Simon Derr
RDMA needs to post a buffer for each incoming reply. Hence it needs to keep count of these and needs to be aware of whether a flushed request has received a reply or not. This patch adds the cancelled() callback to the transport modules. It is called when RFLUSH has been received and that the corresponding request will never receive a reply. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: count posted buffers without a pending requestSimon Derr
In rdma_request(): If an error occurs between posting the recv and the send, there will be a reply context posted without a pending request. Since there is no way to "un-post" it, we remember it and skip post_recv() for the next request. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: Improve error handling in rdma_requestSimon Derr
Most importantly: - do not free the recv context (rpl_context) after a successful post_recv() - but do free the send context (c) after a failed send. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: Do not free req->rc in error handling in rdma_request()Simon Derr
rdma_request() should never be in charge of freeing rc. When an error occurs: * Either the rc buffer has been recv_post()'ed. then kfree()'ing it certainly is a bad idea. * Or is has not, and in that case req->rc still points to it, hence it needs not be freed. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: Use a semaphore to protect the RQSimon Derr
The current code keeps track of the number of buffers posted in the RQ, and will prevent it from overflowing. But it does so by simply dropping post requests (And leaking memory in the process). When this happens there will actually be too few buffers posted, and soon the 9P server will complain about 'RNR retry counter exceeded' errors. Instead, use a semaphore, and block until the RQ is ready for another buffer to be posted. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: Protect against duplicate repliesSimon Derr
A well-behaved server would not send twice the reply to a request. But if it ever happens... This additional check prevents the kernel from leaking memory and possibly more nasty consequences in that unlikely event. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: increase P9_RDMA_MAXSIZE to 1MBSimon Derr
The current value is too low to get good performance. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079pnet: refactor struct p9_fcall alloc codeSimon Derr
Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P/RDMA: rdma_request() needs not allocate req->rcSimon Derr
p9_tag_alloc() takes care of that. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-079P: Fix fcall allocation for rdmaSimon Derr
The current code assumes that when a request in the request array does have a tc, it also has a rc. This is normally true, but not always : when using RDMA, req->rc will temporarily be set to NULL after the request has been sent. That is usually OK though, as when the reply arrives, req->rc will be reassigned to a sane value before the request is recycled. But there is a catch : if the request is flushed, the reply will never arrive, and req->rc will be NULL, but not req->tc. This patch fixes p9_tag_alloc to take this into account. Signed-off-by: Simon Derr <simon.derr@bull.net> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-07fs/9p: xattr: add trusted and security namespacesJim Garlick
Allow requests for security.* and trusted.* xattr name spaces to pass through to server. The new files are 99% cut and paste from fs/9p/xattr_user.c with the namespaces changed. It has the intended effect in superficial testing. I do not know much detail about how these namespaces are used, but passing them through to the server, which can decide whether to handle them or not, seems reasonable. I want to support a use case where an ext4 file system is mounted via 9P, then re-exported via samba to windows clients in a cluster. Windows wants to store xattrs such as security.NTACL. This works when ext4 directly backs samba, but not when 9P is inserted. This use case is documented here: http://code.google.com/p/diod/issues/detail?id=95 Signed-off-by: Jim Garlick <garlick@llnl.gov> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-07net/9p: add privport option to 9p tcp transportJim Garlick
If the privport option is specified, the tcp transport binds local address to a reserved port before connecting to the 9p server. In some cases when 9P AUTH cannot be implemented, this is better than nothing. Signed-off-by: Jim Garlick <garlick@llnl.gov> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-07-07IB/core: Add reserved values to enums for low-level driver useJack Morgenstein
Continue the approach taken by commit d2b57063e4a ("IB/core: Reserve bits in enum ib_qp_create_flags for low-level driver use") and add reserved entries to the ib_qp_type and ib_wr_opcode enums. Low-level drivers can then define macros to use these reserved values, giving proper names to the macros for readability. Also add a range of reserved flags to enum ib_send_flags. The mlx5 IB driver uses the new additions. Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-07-07iser-target: Ignore non TEXT + LOGOUT opcodes for discoveryNicholas Bellinger
This patch adds a check in isert_rx_opcode() to ignore non TEXT + LOGOUT opcodes when SessionType=Discovery has been negotiated. Cc: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-07-07target: make queue_tm_rsp() return voidJoern Engel
The return value wasn't checked by any of the callers. Assuming this is correct behaviour, we can simplify some code by not bothering to generate it. nab: Add srpt_queue_data_in() + srpt_queue_tm_rsp() nops around srpt_queue_response() void return Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-07-07target: remove unused codes from enum tcm_tmrsp_tableJoern Engel
Three have been checked for but were never set. Remove the dead code. Also renumbers the remaining ones to a) get rid of the holes after the removal and b) avoid a collision between TMR_FUNCTION_COMPLETE==0 and the uninitialized case. If we failed to set a code, we should rather fall into the default case then return success. Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-07-07iscsi-target: kstrtou* configfs attribute parameter cleanupsJörn Engel
This patch includes the conversion of iscsi-target configfs attributes for NetworkPortal, NodeACL, TPG, IQN and Discovery groups to use kstrtou*() instead of simple_strtou*(). It also cleans up new-line usage during iscsi_tpg_param_store_##name to use isspace(). Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-07-07iscsi-target: Fix tfc_tpg_auth_cit configfs length overflowNicholas Bellinger
This patch fixes another potential buffer overflow while processing iscsi_node_auth input for configfs attributes in v3.11 for-next TPG tfc_tpg_auth_cit context. Reported-by: Joern Engel <joern@logfs.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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