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2015-11-11mpt3sas: Added OEM Gen2 PnP ID branding namesSreekanth Reddy
Added OEM Gen2 PnP ID branding names from mpt2sas driver. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Refcount fw_events and fix unsafe list usageSreekanth Reddy
The fw_event_work struct is concurrently referenced at shutdown. Add a refcount to protect it and refactor the code to use it. Additionally, refactor _scsih_fw_event_cleanup_queue() such that it no longer iterates over the list without holding the lock since _firmware_event_work() concurrently deletes items from the list. This patch is ported from commit 008549f6e8a1 ("mpt2sas: Refcount fw_events and fix unsafe list usage"). These changes are also required for mpt3sas. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Refcount sas_device objects and fix unsafe list usageSreekanth Reddy
sas_device objects can be referenced concurrently throughout the driver. We need a way to make sure threads can't delete them out from under each other. This patch adds the refcount and refactors the code to use it. Additionally, we cannot iterate over the sas_device_list without holding the lock or we risk corrupting random memory if items are added or deleted as we iterate. This patch refactors _scsih_probe_sas() to use the sas_device_list in a safe way. This patch is ported from the following mpt2sas driver commit d224fe0d6097 ("mpt2sas: Refcount sas_device objects and fix unsafe list usage"). Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: sysfs attribute to report Backup Rail Monitor StatusSreekanth Reddy
A new sysfs shost attribute called "BMR_status" is implemented to report Backup Rail Monitor status. This attribute is located in: /sys/class/scsi_host/host#/BMR_status When reading this adapter attribute, the driver will output the state of GPIO[24]. It returns "0" if BMR is healthy and "1" for failure. If it returns an empty string then it means that there was an error while obtaining the BMR status. Check dmesg for what error has occurred. This sysfs shost attribute is mainly for WarpDrive controllers. This commit is a port of 6c265660c262 ("mpt2sas: Provide sysfs attribute to report Backup Rail Monitor Status"). Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Ported WarpDrive product SSS6200 supportSreekanth Reddy
Ported the following list of WarpDrive-specific patches: 1. commit 0bdccdb0a090ad8dc5f851cad5e843244c410ee8 ("mpt2sas: WarpDrive New product SSS6200 support added") 2. commit 82a452581230b3ffc9d6475dffdb2568497b5fec ("mpt2sas: WarpDrive Infinite command retries due to wrong scsi command entry in MPI message") 3. commit ba96bd0b1d4a4e11f23671e1f375a5c8f46b0fe7 ("mpt2sas: Support for greater than 2TB capacity WarpDrive") 4. commit 4da7af9494b2f98a1503a2634059300c3e4615e6 ("mpt2sas: Do not retry a timed out direct IO for Warpdrive") 5. commit daeaa9df92bd742f4e6d4d6039d689277a8e31bd ("mpt2sas: Avoid type casting for direct I/O commands"). Also set the mpt2_ioctl_iocinfo adapter_type to: 1. MPT3_IOCTL_INTERFACE_SAS3 for Gen3 HBAs 2. MPT2_IOCTL_INTERFACE_SAS2_SSS6200 for Warp Drive 3. MPT2_IOCTL_INTERFACE_SAS2 for other Gen2 HBAs Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: fix for driver fails EEH, recovery from injected pci bus errorSreekanth Reddy
This patch stops the driver to invoke kthread (which remove the dead ioc) for some time while EEH recovery has started. This patch is a port of commit b4730fb6e54a ("mpt2sas: fix for driver fails EEH, recovery from injected pci bus error")'. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Manage MSI-X vectors according to HBA device typeSreekanth Reddy
1. Do not enable MSI-X vectors for SAS2008 B0 controllers 2. Enable a single MSI-X vector for the following controller: a. SAS2004 b. SAS2008 c. SAS2008_1 d. SAS2008_2 e. SAS2008_3 f. SAS2116_1 g. SAS2116_2 3. Enable Combined Reply Post Queue Support (i.e. 96 MSI-X vectors) for Gen3 Invader/Fury C0 and above revision HBAs 4. Enable Combined Reply Post Queue Support (i.e. 96 MSI-X vectors) for all Intruder and Cutlass HBAs Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Don't send PHYDISK_HIDDEN RAID action request on SAS2 HBAsSreekanth Reddy
Avoid sending PHYDISK_HIDDEN RAID action requests to SAS2 controllers since they don't support it. Also enable fast_path only for SAS3 HBAs. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Build MPI SGL LIST on GEN2 HBAs and IEEE SGL LIST on GEN3 HBAsSreekanth Reddy
Gen2 HBAs use MPI scatter-gather lists whereas Gen3 HBAs use IEEE scatter-gather lists. Modify the common code part in such a way that it will build IEEE SGL tables for Gen3 HBAs and MPI SGL tables for Gen2 HBAs. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt2sas, mpt3sas: Remove SCSI_MPTXSAS_LOGGING entry from KconfigSreekanth Reddy
Currently there is a logging level option provided for each of our drivers in the kernel configuration utility. Users can enable this option to get more verbose information. By default it is enabled. Only when this option is enabled will the functions which display the required information get compiled in. As we are merging the both drivers we can no longer provide this configuration option. Remove the SCSI_MPTXSAS_LOGGING entry from Kconfig and unconditionally enable logging (by removing the #ifdef CONFIG_SCSI_MPT3SAS_LOGGING preprocessor check conditions) so that all functions which are defined to display more verbose information get compiled in. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Define 'hba_mpi_version_belonged' IOC variableSreekanth Reddy
1. Use 'hba_mpi_version_belonged' IOC varable to uniquely identify each individual generation driver functionality at runtime. 2. Declare global variable 'driver_name' and use this variable while reserving PCI regions and while allocating the IRQs. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt2sas: Remove .c and .h files from mpt2sas driverSreekanth Reddy
Remove .c and .h files which are no longer needed from mpt2sas driver. We are reusing this code from mpt3sas. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-12Merge branch 'pm-tools'Rafael J. Wysocki
* pm-tools: Creating a common structure initialization pattern for struct option cpupower: Enable disabled Cstates if they are below max latency cpupower: Remove debug message when using cpupower idle-set -D switch cpupower: cpupower monitor reports uninitialized values for offline cpus tools/power turbostat: bugfix: print MAX_NON_TURBO_RATIO tools/power turbostat: simplify Bzy_MHz calculation
2015-11-12Merge branch 'pm-domains'Rafael J. Wysocki
* pm-domains: PM / Domains: Allocate memory outside domain locks PM / Domains: Remove dev->driver check for runtime PM
2015-11-11mpt2sas: Move Gen2 HBA's device registration to a separate fileSreekanth Reddy
1. Create a mpt2sas_module.c file for mpt2sas where GEN2 HBA devices register with PCI, SML, IOCTL subsystems. 2. Updated the Makefile to use the object files from mpt3sas folder. 3. Defined a compilation flag SCSI_MPT2SAS which can be used to not include those sections of code from mpt3sas driver which are not required for mpt2sas driver. 4. Inherited automatic diag buffer feature from mpt3sas driver. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Move Gen3 HBA's device registration to a separate fileSreekanth Reddy
Created a mpt3sas_module.c file for mpt3sas driver where it can register SAS3 HBA devices with PCI, SML, IOCTL subsystems. Also removed the corresponding interfaces from mpt3sas_scsih.c file. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt3sas: Added mpt2sas driver definitionsSreekanth Reddy
1. Added mpt2sas driver related macros in mpt3sas header files 2. Made scsi host's, raid class', pci's, ioctl's callback functions global so that both drivers can use them. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11mpt2sas: Use mpi headers from mpt3sasChristoph Hellwig
Use a single set of the hardware description headers instead of having them in the source tree twice. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sreekanth Reddy <sreekanth.reddy@avagotech.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2015-11-11tools include: Add compiler.h to list.hArnaldo Carvalho de Melo
list.h needs WRITE_ONCE() since 7f5f873c6a07 ("rculist: Use WRITE_ONCE() when deleting from reader-visible list") add it before including the kernel's list.h file. This fixes builds of 'make perf-tar-src-pkg' perf tool tarball builds, i.e. out of tree builds. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-e0rb8f7jwz0jn24ttyick9u6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-11-11perf probe: Verify parameters in two functionsWang Nan
On kernel with only one out of CONFIG_KPROBE_EVENTS and CONFIG_UPROBE_EVENTS enabled, 'perf probe -d' causes a segfault because perf_del_probe_events() calls probe_file__get_events() with a negative fd. This patch fixes it by adding parameter validation at the entry of probe_file__get_events() and probe_file__get_rawlist(). Since they are both non-static public functions (in .h file), parameter verifying is required. v1 -> v2: Verify fd at the head of probe_file__get_rawlist() instead of checking at call site (suggested by Masami and Arnaldo at [1,2]). [1] http://lkml.kernel.org/r/50399556C9727B4D88A595C8584AAB37526048E3@GSjpTKYDCembx32.service.hitachi.net [2] http://lkml.kernel.org/r/20151105155830.GV13236@kernel.org Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1446803415-83382-1-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-11-11perf session: Add missing newlines to some pr_err() callsArnaldo Carvalho de Melo
Before: [acme@zoo linux]$ perf evlist WARNING: The perf.data file's data size field is 0 which is unexpected. Was the 'perf record' command properly terminated? non matching sample_type[acme@zoo linux]$ After: [acme@zoo linux]$ perf evlist WARNING: The perf.data file's data size field is 0 which is unexpected. Was the 'perf record' command properly terminated? non matching sample_type [acme@zoo linux]$ Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-wscok3a2s7yrj8156oc2r6qe@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-11-11perf annotate: Support full source file paths for srcline fixMichael Petlan
The --full-paths option did not show the full source file paths in the 'perf annotate' tool, because the value of the option was not propagated into the related functions. With this patch the value of the --full-paths option is known to the function that composes the srcline string, so it prints the full path when necessary. Committer Note: This affects annotate when the --print-line option is used: # perf annotate -h 2>&1 | grep print-line -l, --print-line print matching source lines (may be slow) Looking just at the lines that should be affected by this change: Before: # perf annotate --print-line --full-paths --stdio fput | grep '\.[ch]:[0-9]\+' 94.44 atomic64_64.h:114 5.56 file_table.c:265 file_table.c:265 5.56 : ffffffff81219a00: callq ffffffff81769360 <__fentry__> atomic64_64.h:114 94.44 : ffffffff81219a05: lock decq 0x38(%rdi) After: # perf annotate --print-line --full-paths --stdio fput | grep '\.[ch]:[0-9]\+' 94.44 /home/git/linux/arch/x86/include/asm/atomic64_64.h:114 5.56 /home/git/linux/fs/file_table.c:265 /home/git/linux/fs/file_table.c:265 5.56 : ffffffff81219a00: callq ffffffff81769360 <__fentry__> /home/git/linux/arch/x86/include/asm/atomic64_64.h:114 94.44 : ffffffff81219a05: lock decq 0x38(%rdi) # Signed-off-by: Michael Petlan <mpetlan@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Link: http://permalink.gmane.org/gmane.linux.kernel.perf.user/2365 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-11-11perf test: Add llvm-src-base.c and llvm-src-kbuild.c to .gitignoreYunlong Song
Commit b31de018a6284a25e0fdfeb028e724f8417ec3b1 ("perf test: Enhance the LLVM test: update basic BPF test program") dynamically creates file llvm-src-base.c during the perf building. Similarly, the commit 7af3f3d55b80cce40ad94b6b8e173dccedaf25e6 ("perf test: Enhance the LLVM tests: add kbuild test") dynamically creates file llvm-src-kbuild.c during the perf building. Add them to .gitignore. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@intel.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Wang Nan <wangnan0@huawei.com> Fixes: b31de018a628 ("perf test: Enhance the LLVM test: update basic BPF test program") Fixes: 7af3f3d55b80 ("perf test: Enhance the LLVM tests: add kbuild test") Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-11-11Merge tag 'firewire-update' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire fix from Stefan Richter: "Work around JMicron initialization quirk, which ffected isochronous transmission, e.g. audio via FFADO or ALSA" * tag 'firewire-update' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: ohci: fix JMicron JMB38x IT context discovery
2015-11-11Documentation: Add minimal Mutt config for using GmailEddie Kovsky
This patch provides a minimal configuration to set up Mutt for submitting plain text patches using Gmail. Signed-off-by: Eddie Kovsky <ewk@edkovsky.org> Reviewed-by: Darren Hart <dvhart@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-11Documentation: Add note on sending files directly with MuttEddie Kovsky
Like 'git send-email', Mutt can also be used to send patches generated with 'git format-patch'. This works regardless of the editor the contributor has set up to use with Mutt. Signed-off-by: Eddie Kovsky <ewk@edkovsky.org> Reviewed-by: Darren Hart <dvhart@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-11Merge branch 'for-linus-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs update from Al Viro: - misc stable fixes - trivial kernel-doc and comment fixups - remove never-used block_page_mkwrite() wrapper function, and rename the function that is _actually_ used to not have double underscores. * 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fs: 9p: cache.h: Add #define of include guard vfs: remove stale comment in inode_operations vfs: remove unused wrapper block_page_mkwrite() binfmt_elf: Correct `arch_check_elf's description fs: fix writeback.c kernel-doc warnings fs: fix inode.c kernel-doc warning fs/pipe.c: return error code rather than 0 in pipe_write() fs/pipe.c: preserve alloc_file() error code binfmt_elf: Don't clobber passed executable's file header FS-Cache: Handle a write to the page immediately beyond the EOF marker cachefiles: perform test on s_blocksize when opening cache file. FS-Cache: Don't override netfs's primary_index if registering failed FS-Cache: Increase reference of parent after registering, netfs success debugfs: fix refcount imbalance in start_creating
2015-11-11Merge branch 'linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fix from Herbert Xu: "This fixes a bug in the algif_hash interface that may lead to crashes when used with certain algorithms such as HMAC" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: algif_hash - Only export and import on sockets with data
2015-11-11Merge tag 'pwm/for-4.4-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "This round contains a couple of new drivers for the Marvell Berlin family of SoCs, various SoCs from Renesas and Broadcom as well as the backlight PWM present on MediaTek SoCs. Further existing drivers are extended to support a wider range of hardware. The remaining patches are minor fixes and cleanups across the board. Note that one of the patches included in this pull request is against arch/unicore32. I've included it here because I couldn't get a response from Guan Xuetao and I consider the change low-risk. Equivalent patches have been merged and tested in Samsung and PXA trees. The goal is to finally get rid of legacy code paths that have repeatedly been causing headaches" * tag 'pwm/for-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (24 commits) pwm: sunxi: Fix whitespace issue pwm: sysfs: Make use of the DEVICE_ATTR_[RW][WO] macro's pwm: sysfs: Remove unnecessary temporary variable unicore32: nb0916: Use PWM lookup table pwm: pwm-rcar: Revise the device tree binding document about compatible pwm: Return -ENODEV if no PWM lookup match is found pwm: sun4i: Add support for PWM controller on sun5i SoCs pwm: Set enable state properly on failed call to enable pwm: lpss: Add support for runtime PM pwm: lpss: Add more Intel Broxton IDs pwm: lpss: Support all four PWMs on Intel Broxton pwm: lpss: Add support for multiple PWMs pwm-pca9685: enable ACPI device found on Galileo Gen2 pwm: Add MediaTek display PWM driver support dt-bindings: pwm: Add MediaTek display PWM bindings pwm: tipwmss: Enable on TI DRA7x and AM437x pwm: atmel-hlcdc: add sama5d2 SoC support. pwm: Add Broadcom BCM7038 PWM controller support Documentation: dt: add Broadcom BCM7038 PWM controller binding pwm: Add support for R-Car PWM Timer ...
2015-11-11Documentation: dontdiff: remove media from dontdiffWang YanQing
media will hide all the changes in drivers/media. Signed-off-by: Wang YanQing <udknight@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-11Documentation/SubmittingPatches: discuss In-Reply-ToChris Metcalf
Add a paragraph suggesting best practices for when to link patches to previous LKML messages via In-Reply-To. Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com> [jc: moved the added text to a separate section] Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-11Remove email address from Documentation/filesystems/overlayfs.txtNeilBrown
I'm getting a surprising large number of questions about overlayfs sent to me personally, rather than to a relevant mailing list. So remove my email address from the documentation, and add a note about looking in the MAINTAINERS file. Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-11can-doc: Add missing semicolon to exampleStefan Tatschner
The example code for CAN_BCM, connect(s, (struct sockaddr *)&addr, sizeof(addr)) lacks a semicolon at the end of the line. This patch adds that missing semicolon to ensure that the given code snippet actually compiles. Signed-off-by: Stefan Tatschner <rumpelsepp@sevenbyte.org> Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-11Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal updates from Zhang Rui: - Implement generic devfreq cooling mechanism through frequency reduction for devices using devfreq. From Ørjan Eide and Javi Merino. - Introduce OMAP3 support on TI SoC thermal driver. From Pavel Mack and Eduardo Valentin. - A bounch of small fixes on devfreq_cooling, Exynos, IMX, Armada, and Rockchip thermal drivers. * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (24 commits) thermal: exynos: Directly return 0 instead of using local ret variable thermal: exynos: Remove unneeded semicolon thermal: exynos: Use IS_ERR() because regulator cannot be NULL thermal: exynos: Fix first temperature read after registering sensor thermal: exynos: Fix unbalanced regulator disable on probe failure devfreq_cooling: return on allocation failure thermal: rockchip: support the sleep pinctrl state to avoid glitches in s2r dt-bindings: rockchip-thermal: Add the pinctrl states in this document thermal: devfreq_cooling: Make power a u64 thermal: devfreq_cooling: use a thermal_cooling_device for register and unregister thermal: underflow bug in imx_set_trip_temp() thermal: armada: Fix possible overflow in the Armada 380 thermal sensor formula thermal: imx: register irq handler later in probe thermal: rockhip: fix setting thermal shutdown polarity thermal: rockchip: fix handling of invalid readings devfreq_cooling: add trace information thermal: Add devfreq cooling PM / OPP: get the voltage for all OPPs tools/thermal: tmon: use pkg-config also for CFLAGS linux/thermal.h: rename KELVIN_TO_CELSIUS to DECI_KELVIN_TO_CELSIUS ...
2015-11-11block: don't hardcode blk_qc_t -> tag maskJens Axboe
Use the shift/mask we use elsewhere. Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11dax_io(): don't let non-error value escape via retval instead of EFAULTAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Reported-by: Sasha Levin <sasha.levin@oracle.com> Cc: stable@vger.kernel.org # 4.0+ Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11block: fix blk-core.c kernel-doc warningRandy Dunlap
Fix kernel-doc warning in blk-core.c: Warning(..//block/blk-core.c:1549): No description found for parameter 'same_queue_rq' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11fs/block_dev.c: Remove WARN_ON() when inode writeback failsVivek Goyal
If a block device is hot removed and later last reference to device is put, we try to writeback the dirty inode. But device is gone and that writeback fails. Currently we do a WARN_ON() which does not seem to be the right thing. Convert it to a ratelimited kernel warning. Reported-by: Andi Kleen <andi@firstfloor.org> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Acked-by: Tejun Heo <tj@kernel.org> [jmoyer@redhat.com: get rid of unnecessary name initialization, 80 cols] Signed-off-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11NVMe: add support for Apple NVMe controllerStephan Günther
Add PCI ID of Apple's NVMe controller. Signed-off-by: Stephan Guenther <guenther@tum.de> Signed-off-by: Maurice Leclaire <leclaire@in.tum.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11NVMe: use split lo_hi_{read,write}qStephan Günther
Some controllers may require ordered split transfers even on 64bit machines, e.g. Apple's NVMe controller as found in the MacBook8,1 and MacBookAir7,1 (256/512GB models). This patch enforces ordered split transfers on 64bit platforms, which works around that issue for all controllers. As pointed out by Christoph [1] there should be no performance impact due to that modification. [1] http://lists.infradead.org/pipermail/linux-nvme/2015-November/002965.html Signed-off-by: Stephan Guenther <guenther@tum.de> Signed-off-by: Maurice Leclaire <leclaire@in.tum.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Updated by me to explicitly use lo_hi_read/writeq instead of playing define tricks. Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11blk-mq: mark __blk_mq_complete_request() staticJens Axboe
It's no longer used outside of blk-mq core. Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11MAINTAINERS: add reference to new linux-block listJens Axboe
In the past, I've resisted doing a non-lkml related block/storage list. But we have more activity now than we previously did, and ain't nobody got time to track and follow lkml. So now linux-block@vger.kernel.org exists. Please CC your patches related to block/storage here, and we'll have an easier time tracking them. Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11NVMe: Increase the max transfer size when mdts is 0Sathyavathi M
This patch address the issue when IO with 128KB from FIO is split into two parts, 124KB and 4KB, due to max transfer size(127KB). This degrades the device performance. Signed-off-by: Sathyavathi M <sathya.m@samsung.com> Acked-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11brd: Refuse improperly aligned discard requestsJan Kara
Currently when improperly aligned discard request is submitted, we just silently discard more / less data which results in filesystem corruption in some cases. Refuse such misaligned requests. Signed-off-by: Jan Kara <jack@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11ALSA: hda/hdmi - apply Skylake fix-ups to Broxton display codecLu, Han
Broxton and Skylake have the same behavior on display audio. So this patch applys Skylake fix-ups to Broxton. Signed-off-by: Lu, Han <han.lu@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-11-11MIPS: BMIPS: Enable GZIP ramdisk and timed printksFlorian Fainelli
Update bmips_be_defconfig and bmips_stb_defconfig to have GZIP ramdisk support enabled by default as well was timed printks. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Kevin Cernekee <cernekee@gmail.com> Reviewed-by: Dragan Stancevic <dragan.stancevic@gmail.com> Cc: linux-mips@linux-mips.org Cc: blogic@openwrt.org Cc: jogo@openwrt.org Patchwork: https://patchwork.linux-mips.org/patch/11307/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-11-11ALSA: ctxfi: constify rsc ops structuresJulia Lawall
The various rsc ops structures are never modified, so declare them as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-11-11MIPS: Add xilfpga defconfigZubair Lutfullah Kakakhel
Add defconfig for MIPSfpga Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Cc: robh+dt@kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/11363/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-11-11MIPS: xilfpga: Add mipsfpga platform codeZubair Lutfullah Kakakhel
The xilfpga platform will be DT only. Add required platform code. DT files have already been added separately. Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Cc: robh+dt@kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/11364/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-11-11MIPS: xilfpga: Add xilfpga device tree files.Zubair Lutfullah Kakakhel
Add device tree files for the MIPSfpga platform. See Documentation/devicetree/bindings/mips/img/xilfpga.txt for details about MIPSfpga Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Cc: robh+dt@kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/11362/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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