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2016-03-10cpufreq: Move scheduler-related code to the sched directoryRafael J. Wysocki
Create cpufreq.c under kernel/sched/ and move the cpufreq code related to the scheduler to that file and to sched.h. Redefine cpufreq_update_util() as a static inline function to avoid function calls at its call sites in the scheduler code (as suggested by Peter Zijlstra). Also move the definition of struct update_util_data and declaration of cpufreq_set_update_util_data() from include/linux/cpufreq.h to include/linux/sched.h. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2016-03-10kcm: mark helper functions inlineArnd Bergmann
The stub helper functions for the newly added kcm_proc_init/exit interfaces are defined as 'static' in a header file, which leads to build warnings for each file that includes them without calling them: include/net/kcm.h:183:12: error: 'kcm_proc_init' defined but not used [-Werror=unused-function] include/net/kcm.h:184:13: error: 'kcm_proc_exit' defined but not used [-Werror=unused-function] This marks the two functions as 'static inline' instead, which avoids the warnings and is obviously what was meant here. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: cd6e111bf5be ("kcm: Add statistics and proc interfaces") Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-10perf jitdump: Build only on supported archsJiri Olsa
Build jitdump only on architectures defined in util/genelf.h file, to avoid breaking the build on such arches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@suse.de> Cc: Colin Ian King <colin.king@canonical.com> Cc: David Ahern <dsahern@gmail.com> Cc: Davidlohr Bueso <dbueso@suse.com> Cc: He Kuang <hekuang@huawei.com> Cc: Mel Gorman <mgorman@suse.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20160310164113.GA11357@krava.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-10tools lib traceevent: Add '~' operation within arg_num_eval()Steven Rostedt
When evaluating values for print flags, if the value included a '~' operator, the parsing would fail. This broke kmalloc's parsing of: __print_flags(REC->gfp_flags, "|", {(unsigned long)((((((( gfp_t)(0x400000u|0x2000000u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) | (( gfp_t)0x20000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u)) | (( gfp_t)0x4000u) | (( gfp_t)0x10000u) | (( gfp_t)0x1000u) | (( gfp_t)0x200u)) & ~(( gfp_t)0x2000000u)) ^ | here Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: David Ahern <dsahern@gmail.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20160226181328.22f47129@gandalf.local.home Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-03-10Bluetooth: Increment management interface revisionJohan Hedberg
Increment the mgmt revision due to the recently added limited privacy mode. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-10Bluetooth: Add support for limited privacy modeJohan Hedberg
Introduce a limited privacy mode indicated by value 0x02 to the mgmt Set Privacy command. With value 0x02 the kernel will use privacy mode with a resolvable private address. In case the controller is bondable and discoverable the identity address will be used. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-10Bluetooth: Fix adding discoverable to adv instance flagsJohan Hedberg
When lookup up the advertising instance flags for the default advertising instance (0) the discoverable flag should be filled in based on the HCI_DISCOVERABLE flag. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-10Bluetooth: Move memset closer to where it's neededJohan Hedberg
Minor fix to not do the memset until the variable it clears is actually used. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-10Bluetooth: btmrvl_sdio: fix firmware activation failureWei-Ning Huang
In some case, the btmrvl_sdio firmware would fail to active within the polling time. Increase the polling interval to 100 msec to fix the issue. Signed-off-by: Wei-Ning Huang <wnhuang@chromium.org> Signed-off-by: Wei-Ning Huang <wnhuang@google.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-106lowpan: iphc: fix SAM/DAM bit commentAlexander Aring
This patch fixes the comments for SAM/DAM value. Signed-off-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-106lowpan: debugfs: add missing staticAlexander Aring
This patch solves the sparse warning: net/6lowpan/debugfs.c:164:30: warning: symbol 'lowpan_ctx_pfx_fops' was not declared. Should it be static? net/6lowpan/debugfs.c:241:30: warning: symbol 'lowpan_context_fops' was not declared. Should it be static? Signed-off-by: Alexander Aring <aar@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-10mac802154: use put and get unaligned functionsAlexander Aring
This patch removes the swap pointer and memmove functionality. Instead we use the well known put/get unaligned access with specific byte order handling. Signed-off-by: Alexander Aring <aar@pengutronix.de> Suggested-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-10Bluetooth: btusb: Add a new AR3012 ID 13d3:3472Dmitry Tunin
T: Bus=01 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 4 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=13d3 ProdID=3472 Rev=00.01 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb BugLink: https://bugs.launchpad.net/bugs/1552925 Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: stable@vger.kernel.org
2016-03-10Bluetooth: hci_bcm: Add BCM2E55 ACPI ID used in Lenovo ThinkPad Tablet 8Jérôme de Bretagne
Lenovo ThinkPad Tablet 8 with BCM43241 rev B5 chipset uses the BCM2E55 ACPI ID for Bluetooth. Add it to the list of supported devices. Signed-off-by: Jérôme de Bretagne <jerome.debretagne@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-03-10MAINTAINERS: add a maintainer for the NAND subsystemBoris BREZILLON
Add myself as the maintainer of the NAND subsystem. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at> Acked-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2016-03-10Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM fixes from Paolo Bonzini: "A few simple fixes for ARM, x86, PPC and generic code. The x86 MMU fix is a bit larger because the surrounding code needed a cleanup, but nothing worrisome" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: MMU: fix reserved bit check for ept=0/CR0.WP=0/CR4.SMEP=1/EFER.NX=0 KVM: MMU: fix ept=0/pte.u=1/pte.w=0/CR0.WP=0/CR4.SMEP=1/EFER.NX=0 combo kvm: cap halt polling at exactly halt_poll_ns KVM: s390: correct fprs on SIGP (STOP AND) STORE STATUS KVM: VMX: disable PEBS before a guest entry KVM: PPC: Book3S HV: Sanitize special-purpose register values on guest exit
2016-03-10Merge tag 'arm64-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "I thought we were done for 4.5, but then the 64k-page chaps came crawling out of the woodwork. *sigh* The vmemmap fix I sent for -rc7 caused a regression with 64k pages and sparsemem and at some point during the release cycle the new hugetlb code using contiguous ptes started failing the libhugetlbfs tests with 64k pages enabled. So here are a couple of patches that fix the vmemmap alignment and disable the new hugetlb page sizes whilst a proper fix is being developed: - Temporarily disable huge pages built using contiguous ptes - Ensure vmemmap region is sufficiently aligned for sparsemem sections" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: hugetlb: partial revert of 66b3923a1a0f arm64: account for sparsemem section alignment when choosing vmemmap offset
2016-03-10Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: "Three bug fixes: - The fix for the page table corruption (CVE-2016-2143) - The diagnose statistics introduced a regression for the dasd diag driver - Boot crash on systems without the set-program-parameters facility" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/mm: four page table levels vs. fork s390/cpumf: Fix lpp detection s390/dasd: fix diag 0x250 inline assembly
2016-03-10[media] media-device: map new functions into old types for legacy APIMauro Carvalho Chehab
The legacy media controller userspace API exposes entity types that carry both type and function information. The new API replaces the type with a function. It preserves backward compatibility by defining legacy functions for the existing types and using them in drivers. This works fine, as long as newer entity functions won't be added. Unfortunately, some tools, like media-ctl with --print-dot argument rely on the now legacy MEDIA_ENT_T_V4L2_SUBDEV and MEDIA_ENT_T_DEVNODE numeric ranges to identify what entities will be shown. Also, if the entity doesn't match those ranges, it will ignore the major/minor information on devnodes, and won't be getting the devnode name via udev or sysfs. As we're now adding devices outside the old range, the legacy ioctl needs to map the new entity functions into a type at the old range, or otherwise we'll have a regression. Detected on all released media-ctl versions (e. g. versions <= 1.10). Fix this by deriving the type from the function to emulate the legacy API if the function isn't in the legacy functions range. Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-03-10pstore: Add support for 64 Bit address spaceWiebe, Wladislav (Nokia - DE/Ulm)
Some architectures have their reserved RAM in 64 Bit address space. Therefore convert mem_address module parameter to ullong. Signed-off-by: Wladislav Wiebe <wladislav.wiebe@nokia.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
2016-03-10Merge tag 'linux-can-next-for-4.6-20160310' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next Marc Kleine-Budde says: ==================== pull-request: can-next 2016-03-10 this is a pull request of 5 patch for net-next/master. Marek Vasut contributes 4 patches for the ifi CAN driver, which makes it work on real hardware. There is one patch by Ramesh Shanmugasundaram for the rcar_can driver that adds support for the 3rd generation IP core. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-10x86/entry/traps: Show unhandled signal for i386 in do_trap()Jianyu Zhan
Commit abd4f7505baf ("x86: i386-show-unhandled-signals-v3") did turn on the showing-unhandled-signal behaviour for i386 for some exception handlers, but for no reason do_trap() is left out (my naive guess is because turning it on for do_trap() would be too noisy since do_trap() is shared by several exceptions). And since the same commit make "show_unhandled_signals" a debug tunable(in /proc/sys/debug/exception-trace), and x86 by default turning it on. So it would be strange for i386 users who turing it on manually and expect seeing the unhandled signal output in log, but nothing. This patch turns it on for i386 in do_trap() as well. Signed-off-by: Jianyu Zhan <nasa4836@gmail.com> Reviewed-by: Jan Beulich <jbeulich@suse.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: bp@suse.de Cc: dave.hansen@linux.intel.com Cc: heukelum@fastmail.fm Cc: jbeulich@novell.com Cc: jdike@addtoit.com Cc: joe@perches.com Cc: luto@kernel.org Link: http://lkml.kernel.org/r/1457612398-4568-1-git-send-email-nasa4836@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-03-10EDAC/sb_edac: Fix computation of channel addressLuck, Tony
Large memory Haswell-EX systems with multiple DIMMs per channel were sometimes reporting the wrong DIMM. Found three problems: 1) Debug printouts for socket and channel interleave were not interpreting the register fields correctly. The socket interleave field is a 2^X value (0=1, 1=2, 2=4, 3=8). The channel interleave is X+1 (0=1, 1=2, 2=3. 3=4). 2) Actual use of the socket interleave value didn't interpret as 2^X 3) Conversion of address to channel address was complicated, and wrong. Signed-off-by: Tony Luck <tony.luck@intel.com> Acked-by: Aristeu Rozanski <arozansk@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-edac@vger.kernel.org Cc: stable@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-03-10HID: usbhid: enable NO_INIT_REPORTS quirk for Semico USB Keykoard2Daniel Bristot de Oliveira
The device which identifies itself as a "USB Keykoard" (no typo) with VID:PID 1a2c:0027 does not seem to be handling the reports initialization very well. This results in a "usb_submit_urb(ctrl) failed: -1" message from the kernel when connected, and a delay before its initialization. It can also cause the hang the system. This patch adds the quirk for this device, which causes the delay to disappear. It is named as "USB Keykoard2" because the "USB Keykoard" already exists. Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-10media: au0828 disable tuner to demod link in au0828_media_device_register()Shuah Khan
Disable tuner to demod link in au0828_media_device_register(). This step should be done after dvb graph is created. [mchehab@osg.samsung.com: Solve conflictst to apply it upstream] Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-03-10[media] touptek: cast char types on %x printkMauro Carvalho Chehab
This fixes those two smatch warnings: drivers/media/usb/gspca/touptek.c:206 val_reply() warn: argument 3 to %02x specifier has type 'char' drivers/media/usb/gspca/touptek.c:222 reg_w() warn: argument 4 to %02x specifier has type 'char' Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-03-10[media] touptek: don't DMA at the stackMauro Carvalho Chehab
As warned by smatch: drivers/media/usb/gspca/touptek.c:220 reg_w() error: doing dma on the stack (buff) drivers/media/usb/gspca/touptek.c:458 configure() error: doing dma on the stack (buff) This can fail, as the stack may not be in a memory that would allod DMA. So, use the usb_buf instead. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-03-10[media] mceusb: use %*ph for small buffer dumpsMauro Carvalho Chehab
It makes the printk cleaner. As a side efect, it also fixes those smatch warnings: drivers/media/rc/mceusb.c:590 mceusb_dev_printdata() warn: argument 6 to %02x specifier has type 'char' drivers/media/rc/mceusb.c:590 mceusb_dev_printdata() warn: argument 7 to %02x specifier has type 'char' Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-03-10Merge branch 'master' of git://blackhole.kfki.hu/nfPablo Neira Ayuso
Jozsef Kadlecsik says: ==================== Please apply the next patch against the nf tree: - Deniz Eren reported that parallel flush/dump of list:set type of sets can lead to kernel crash. The bug was due to non-RCU compatible flushing, listing in the set type, fixed by me. - Julia Lawall pointed out that IPSET_ATTR_ETHER netlink attribute length was not checked explicitly. The patch adds the missing checkings. ==================== Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-03-10HID: penmount: report only one button for PenMount 6000 USB touchscreen ↵Andrew Shadura
controller PenMount 6000 USB resistive touchscreen controller reports it has three buttons, while in reality it doesn't have any and doesn't support active styli, and only generates touch events. In penmount_input_mapping(), map only the first button (with code 0), ignore the rest. Signed-off-by: Andrew Shadura <andrew.shadura@collabora.co.uk> Tested-by: Christian Gmeiner <c.gmeiner@bachmann.info Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-10MAINTAINERS: nfc: s3fwrn5: Add second maintainerRobert Baldyga
Add Krzysztof Opasiak as maintainer of S3FWRN5 driver. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Acked-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2016-03-10Merge tag 'kvm-s390-next-4.6-2' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD KVM: s390: Fixes and features for kvm/next (4.6) part 2 - add watchdog diagnose to trace event decoder - better handle the cpu timer when not inside the guest - only provide STFLE if the CPU model has STFLE - reduce DMA page usage
2016-03-10irqchip/mxs: Fix error check of of_io_request_and_map()Vladimir Zapolskiy
The of_io_request_and_map() returns a valid pointer in iomem region or ERR_PTR(), check for NULL always fails and may cause a NULL pointer dereference on error path. Fixes: 25e34b44313b ("irqchip/mxs: Prepare driver for hardware with different offsets") Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Oleksij Rempel <linux@rempel-privat.de> Cc: Sascha Hauer <kernel@pengutronix.de> Cc: Shawn Guo <shawnguo@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1457486500-10237-1-git-send-email-vz@mleia.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-03-10irqchip/sunxi-nmi: Fix error check of of_io_request_and_map()Vladimir Zapolskiy
The of_io_request_and_map() returns a valid pointer in iomem region or ERR_PTR(), check for NULL always fails and may cause a NULL pointer dereference on error path. Fixes: 0e841b04c829 ("irqchip/sunxi-nmi: Switch to of_io_request_and_map() from of_iomap()") Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1457486489-10189-1-git-send-email-vz@mleia.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-03-10genirq: Export IRQ functions for module useQuan Nguyen
Export irq_chip_*_parent(), irq_domain_create_hierarchy(), irq_domain_set_hwirq_and_chip(), irq_domain_reset_irq_data(), irq_domain_alloc/free_irqs_parent() So gpio drivers can be built as modules. First user: gpio-xgene-sb Signed-off-by: Quan Nguyen <qnguyen@apm.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: Phong Vo <pvo@apm.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: patches@apm.com Cc: Loc Ho <lho@apm.com> Cc: Keyur Chudgar <kchudgar@apm.com> Cc: Jiang Liu <jiang.liu@linux.intel.com> Link: https://lists.01.org/pipermail/kbuild-all/2016-February/017914.html Link: http://lkml.kernel.org/r/1457017012-10628-1-git-send-email-qnguyen@apm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-03-10ALSA: hda - Add a sanity check of pin / port mapping on i915 HDMI/DPTakashi Iwai
There is an implicit rule to map between pin NID and port number on Intel HDMI/DP codec: the mapping is fixed only for NID 0x05, 0x06 and 0x07. For avoiding the possible memory corruption, add a sanity check for the NID value and splat WARN_ON() for invalid accesses. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-03-10ALSA: dice: use structure to represent register parameters instead of array ↵Takashi Sakamoto
with basic type element In dice interface, two blocks of register are accessible via IEEE 1394 asynchronous transaction to represent the number of supported isochronous streams and the number of quadlets for stream information. Current ALSA dice driver uses array with 'unsigned int' element for temporary cache of these information. But using structure is preferable for begin easily comprehensible. This commit applies a local structure for this aim. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-03-10IB/mlx5: Add support for don't trap rulesMaor Gottlieb
Each bypass flow steering priority will be split into two priorities: 1. Priority for don't trap rules. 2. Priority for normal rules. When user creates a flow using IB_FLOW_ATTR_FLAGS_DONT_TRAP flag, the driver creates two flow rules, one used for receiving the traffic and the other one for forwarding the packet to continue matching in lower or equal priorities. Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-03-10net/mlx5_core: Introduce forward to next priority actionMaor Gottlieb
Add support to create flow rule that forward packets to the first flow table in the next priority (next priority could be the first priority in the next namespace or the next priority in the same namespace). This feature could be used for DONT_TRAP rules or rules that only want to mark the packet with flow tag. In order to do it optimally, each flow table has list of all rules that point to this flow table, when a flow table is destroyed/created, we update the list head correspondingly. This kind of rule is created when destination is NULL and action is MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO. Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-03-10net/mlx5_core: Create anchor of last flow tableMaor Gottlieb
Create an empty flow table in the end of NIC rx namesapce. Adding this flow table simplify the implementation of "forward to next prio" rules. Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-03-10s390: fix floating pointer register corruption (again)Martin Schwidefsky
There is a tricky interaction between the machine check handler and the critical sections of load_fpu_regs and save_fpu_regs functions. If the machine check interrupts one of the two functions the critical section cleanup will complete the function before the machine check handler s390_do_machine_check is called. Trouble is that the machine check handler needs to validate the floating point registers *before* and not *after* the completion of load_fpu_regs/save_fpu_regs. The simplest solution is to rewind the PSW to the start of the load_fpu_regs/save_fpu_regs and retry the function after the return from the machine check handler. Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Cc: <stable@vger.kernel.org> # 4.3+ Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2016-03-10s390/cpumf: add missing lpp magic initializationHeiko Carstens
Add the missing lpp magic initialization for cpu 0. Without this all samples on cpu 0 do not have the most significant bit set in the program parameter field, which we use to distinguish between guest and host samples if the pid is also 0. We did initialize the lpp magic in the absolute zero lowcore but forgot that when switching to the allocated lowcore on cpu 0 only. Reported-by: Shu Juan Zhang <zhshuj@cn.ibm.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Cc: stable@vger.kernel.org # v4.4+ Fixes: e22cf8ca6f75 ("s390/cpumf: rework program parameter setting to detect guest samples") Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2016-03-10rtl8xxxu: Temporarily disable 8192eu device initJes Sorensen
To reduce the patch volume, temporariliy disable 8192eu device init. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-03-10rtl8xxxu: Use correct 8051 reset function for 8723b partsJes Sorensen
8723b needs more action, so implement support for device specific reset functions. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-03-10rtl8xxxu: Print a warning if flushing the FIFO failsJes Sorensen
Only print a warning if the FIFO flush fails, as opposed to printing the status unconditionally. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-03-10rtl8xxxu: Flush FIFO before powering down devicesJes Sorensen
This should help when reloading the driver for 8723bu devices Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-03-10rtl8xxxu: Implement device specific power_off functionJes Sorensen
Implment 8723bu specific device power down, and make power_off() a fileops function. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-03-10rtl8xxxu: Implement 8723bu specific disable_rf() functionJes Sorensen
Powering up the 8723bu RF should probably be matched by the ability to power it down again. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-03-10rtl8xxxu: Use define for REG_PWR_DATA bitsJes Sorensen
Use the bit define rather than hard code the value for REG_PWR_DATA bits. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-03-10rtl8xxxu: convert rtl8723bu_init_bt() into rtl8723b_enable_rf()Jes Sorensen
rtl8723bu_init_bt() is effectively the function enabling RF, so name it appropriately. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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