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2015-04-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts: drivers/net/usb/asix_common.c drivers/net/usb/sr9800.c drivers/net/usb/usbnet.c include/linux/usb/usbnet.h net/ipv4/tcp_ipv4.c net/ipv6/tcp_ipv6.c The TCP conflicts were overlapping changes. In 'net' we added a READ_ONCE() to the socket cached RX route read, whilst in 'net-next' Eric Dumazet touched the surrounding code dealing with how mini sockets are handled. With USB, it's a case of the same bug fix first going into net-next and then I cherry picked it back into net. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-26Merge tag 'linux-kselftest-4.0-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fix from Shuah Khan. * tag 'linux-kselftest-4.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: Fix build failures when invoked from kselftest target
2015-03-25tools: bpf_asm: cleanup vlan extension related tokenDaniel Borkmann
We now have K_VLANT, K_VLANP and K_VLANTPID. Clean them up into more descriptive token, namely K_VLAN_TCI, K_VLAN_AVAIL and K_VLAN_TPID. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-24filter: introduce SKF_AD_VLAN_TPID BPF extensionMichal Sekletar
If vlan offloading takes place then vlan header is removed from frame and its contents, both vlan_tci and vlan_proto, is available to user space via TPACKET interface. However, only vlan_tci can be used in BPF filters. This commit introduces a new BPF extension. It makes possible to load the value of vlan_proto (vlan TPID) to register A. Support for classic BPF and eBPF is being added, analogous to skb->protocol. Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Alexei Starovoitov <ast@plumgrid.com> Cc: Jiri Pirko <jpirko@redhat.com> Signed-off-by: Michal Sekletar <msekleta@redhat.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Reviewed-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-19selftests: Fix build failures when invoked from kselftest targetShuah Khan
Several tests that rely on implicit build rules fail to build, when invoked from the main Makefile kselftest target. These failures are due to --no-builtin-rules and --no-builtin-variables options set in the inherited MAKEFLAGS. --no-builtin-rules eliminates the use of built-in implicit rules and --no-builtin-variables is for not defining built-in variables. These two options override the use of implicit rules resulting in build failures. In addition, inherited LDFLAGS result in build failures and there is no need to define LDFLAGS. Clear LDFLAGS and MAKEFLAG when make is invoked from the main Makefile kselftest target. Fixing this at selftests Makefile avoids changing the main Makefile and keeps this change self contained at selftests level. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au>
2015-03-17Merge branches 'perf-urgent-for-linus' and 'timers-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf and timer fixes from Ingo Molnar: "Two small perf fixes: - kernel side context leak fix - tooling crash fix And two clocksource driver fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix context leak in put_event() perf annotate: Fix fallback to unparsed disassembler line * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clockevents: sun5i: Fix setup_irq init sequence clocksource: efm32: Fix a NULL pointer dereference
2015-03-14Merge tag 'linux-kselftest-4.0-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest fix from Shuah Khan: "selftests/exec: Check if the syscall exists and bail if not" * tag 'linux-kselftest-4.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/exec: Check if the syscall exists and bail if not
2015-03-11Revert "cpupower Makefile change to help run the tool without 'make install'"Josh Boyer
This reverts commit 5c1de006e8e66b0be05be422416629e344c71652. While the original commit makes it easier to run cpupower from the local build directory, it also leaves the binary with a rather poor rpath of './' in it after it is installed on a system via 'make install'. This is considered bad practice and can cause cpupower to fail in rpmbuild with the following error: ERROR 0004: file '/usr/bin/cpupower' contains an insecure rpath './' in [./] error: Bad exit status from /var/tmp/rpm-tmp.A6u26r (%install) Bad exit status from /var/tmp/rpm-tmp.A6u26r (%install) Developers should be able to use LD_LIBRARY_PATH to achieve the same effect and not introduce rpath into the binary. Signed-off-by: Josh Boyer <jwboyer@feoraproject.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-03-11selftests/exec: Check if the syscall exists and bail if notMichael Ellerman
On systems which don't implement sys_execveat(), this test produces a lot of output. Add a check at the beginning to see if the syscall is present, and if not just note one error and return. When we run on a system that doesn't implement the syscall we will get ENOSYS back from the kernel, so change the logic that handles __NR_execveat not being defined to also use ENOSYS rather than -ENOSYS. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: David Drysdale <drysdale@google.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-05Merge tag 'perf-urgent-for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent fix from Arnaldo Carvalho de Melo: " - Fix SEGFAULT when freeing unparsed lock prefixed instructions in 'perf annotate' (Arnaldo Carvalho de Melo)" Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-03-05perf annotate: Fix fallback to unparsed disassembler lineArnaldo Carvalho de Melo
When annotating source/disasm lines the perf tools parse the output of objdump, trying to provide augmented output that allows navigating jumps, calls, etc. But when a line output by objdump can't be parsed the annotation code falls back to just presenting the unparsed line. When fixing a leak in the 0fb9f2aab738 commit ("perf annotate: Fix memory leaks in LOCK handling") we failed to take that into account and instead tried to free one of the data structures that should be freed only when successfully allocated, oops, segfault. There was a change in the way the objdump output for lock prefixed instructions is formatted that lead the relevant parser to fail to grok it. At least RHEL7 works ok, but Fedora 20 segfaults. Fix it by making the ins__delete() destructor work like the most basic destructor: free(). Namely make it accept a NULL pointer and when handling it just do nothing. Further investigation is needed to figure out the nature of the objdump output change so as to make the parser grok it. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Rabin Vincent <rabin@rab.in> Link: http://lkml.kernel.org/n/tip-7wsy0zo292pif0yjoqpfryrz@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-03-02Merge branch 'fixes-for-4.0-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal Pull thermal management fixes from Eduardo Valentin: "Specifics: - Several fixes in tmon tool. - Fixes in intel int340x for _ART and _TRT tables. - Add id for Avoton SoC into powerclamp driver. - Fixes in RCAR thermal driver to remove race conditions and fix fail path - Fixes in TI thermal driver: removal of unnecessary code and build fix if !CONFIG_PM_SLEEP - Cleanups in exynos thermal driver - Add stubs for include/linux/thermal.h. Now drivers using thermal calls but that also work without CONFIG_THERMAL will be able to compile for systems that don't care about thermal. Note: I am sending this pull on Rui's behalf while he fixes issues in his Linux box" * 'fixes-for-4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: thermal: int340x_thermal: Ignore missing _ART, _TRT tables thermal/intel_powerclamp: add id for Avoton SoC tools/thermal: tmon: silence 'set but not used' warnings tools/thermal: tmon: use pkg-config to determine library dependencies tools/thermal: tmon: support cross-compiling tools/thermal: tmon: add .gitignore tools/thermal: tmon: fixup tui windowing calculations tools/thermal: tmon: tui: don't hard-code dialog window size assumptions tools/thermal: tmon: add min/max macros tools/thermal: tmon: add --target-temp parameter thermal: exynos: Clean-up code to use oneline entry for exynos compatible table thermal: rcar: Make error and remove paths symmetrical with init thermal: rcar: Fix race condition between init and interrupt thermal: Introduce dummy functions when thermal is not defined ti-soc-thermal: Delete an unnecessary check before the function call "cpufreq_cooling_unregister" thermal: ti-soc-thermal: bandgap: Fix build warning if !CONFIG_PM_SLEEP
2015-03-01Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Two kprobes fixes and a handful of tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools: Make sparc64 arch point to sparc perf symbols: Define EM_AARCH64 for older OSes perf top: Fix SIGBUS on sparc64 perf tools: Fix probing for PERF_FLAG_FD_CLOEXEC flag perf tools: Fix pthread_attr_setaffinity_np build error perf tools: Define _GNU_SOURCE on pthread_attr_setaffinity_np feature check perf bench: Fix order of arguments to memcpy_alloc_mem kprobes/x86: Check for invalid ftrace location in __recover_probed_insn() kprobes/x86: Use 5-byte NOP when the code might be modified by ftrace
2015-02-28tools/thermal: tmon: silence 'set but not used' warningsBrian Norris
gcc complains about the 'cols' variable being unused. This is unavoidable, given the ncurses getmaxyx() macro-based API, which wants to assign to a variable directly, even when we're not going to use it. Warning: gcc -O1 -Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int -fstack-protector -D VERSION=\"1.0\" -c -o tui.o tui.c tui.c: In function ‘show_dialogue’: tui.c:288:12: warning: variable ‘cols’ set but not used [-Wunused-but-set-variable] int rows, cols; ^ So, add a hack to get rid of that warning. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28tools/thermal: tmon: use pkg-config to determine library dependenciesBrian Norris
Some distros (e.g., Arch Linux) don't package the tinfo library separately from ncurses, so don't unconditionally include it. Instead, use pkg-config. The $(STATIC) ugliness is to handle the reported build case from commit 6b533269fb25 ("tools/thermal: tmon: fix compilation errors when building statically"), where a developer wants to be able to build with: make LDFLAGS=-static which requires an additional pkg-config flag. Finally, support a lowest common denominator fallback (-lpanel -lncurses) for build systems that don't have pkg-config entries for ncurses. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28tools/thermal: tmon: support cross-compilingBrian Norris
We might want to prepare CFLAGS outside of this Makefile, so don't overwrite its initial value. Then, support $(CROSS_COMPILE), so we can use a cross-compile toolchain. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28tools/thermal: tmon: add .gitignoreBrian Norris
Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28tools/thermal: tmon: fixup tui windowing calculationsBrian Norris
The number of rows in the dialog vary according to the number of cooling devices. However, some of the windowing computations were assuming a fixed number of rows. This computation is OK when we have between 4 and 9 cooling devices (and they wrap to the next column), but with fewer devices, we end up printing off the end of the window. This unifies the row computation into a single function and uses that throughout the TUI code. This also accounts for increasing the number of rows when there are more than 9 total cooling devices. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28tools/thermal: tmon: tui: don't hard-code dialog window size assumptionsBrian Norris
We can use the ncurses API to get the number of rows. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28tools/thermal: tmon: add min/max macrosBrian Norris
Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-28tools/thermal: tmon: add --target-temp parameterBrian Norris
If we launch in daemon mode (--daemon), we don't have the ncurses UI, but we might want to set the target temperature still. For example, someone might stick the following in their boot script: tmon --control intel_powerclamp --target-temp 90 --log --daemon This would turn on CPU idle injection when we're around 90 degrees celsius, and would log temperature and throttling info to /var/tmp/tmon.log. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2015-02-25perf tools: Make sparc64 arch point to sparcDavid Ahern
The recent build changes cause perf to not compile for sparc64 since the arch/sparc64/Build file does not exist: /home/dahern/kernels/linux.git/tools/build/Makefile.build:40: arch/sparc64/Build: No such file or directory Fix by converting the sparc64 RAW_ARCH to sparc ARCH -- similar to what is done for x86_64. Signed-off-by: David Ahern <david.ahern@oracle.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1424306222-96843-1-git-send-email-david.ahern@oracle.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25perf symbols: Define EM_AARCH64 for older OSesDavid Ahern
4886f2ca19f6f added an arm-64 check, but the EM_AARCH64 macro is not defined in older releases (e.g., RHEL6). Define if it is not defined. Signed-off-by: David Ahern <david.ahern@oracle.com> Cc: Victor Kamensky <victor.kamensky@linaro.org> Link: http://lkml.kernel.org/r/1424306017-96797-1-git-send-email-david.ahern@oracle.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25perf top: Fix SIGBUS on sparc64David Ahern
perf-top is terminating due to SIGBUS on sparc64. git bisect points to: commit 82396986032915c1572bfb74b224fcc2e4e8ba7c Author: Arnaldo Carvalho de Melo <acme@redhat.com> Date: Mon Sep 8 13:26:35 2014 -0300 perf evlist: Refcount mmaps We need to know how many fds are using a perf mmap via PERF_EVENT_IOC_SET_OUTPUT, so that we can know when to ditch an mmap, refcount it. This commit added 'int refcnt' to struct perf_mmap and the addition makes the event_copy element no longer 8-byte aligned. Fix by adding __attribute__((aligned(8))) to the event_copy struct member. Signed-off-by: David Ahern <david.ahern@oracle.com> Link: http://lkml.kernel.org/r/1424304198-92028-1-git-send-email-david.ahern@oracle.com [ Switched from 'int pad;' to using __attribute__, David tested/acked that ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25perf tools: Fix probing for PERF_FLAG_FD_CLOEXEC flagAdrian Hunter
Commit f6edb53c4993ffe92ce521fb449d1c146cea6ec2 converted the probe to a CPU wide event first (pid == -1). For kernels that do not support the PERF_FLAG_FD_CLOEXEC flag the probe fails with EINVAL. Since this errno is not handled pid is not reset to 0 and the subsequent use of pid = -1 as an argument brings in an additional failure path if perf_event_paranoid > 0: $ perf record -- sleep 1 perf_event_open(..., 0) failed unexpectedly with error 13 (Permission denied) [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.007 MB /tmp/perf.data (11 samples) ] Also, ensure the fd of the confirmation check is closed and comment why pid = -1 is used. Needs to go to 3.18 stable tree as well. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Based-on-patch-by: David Ahern <david.ahern@oracle.com> Acked-by: David Ahern <david.ahern@oracle.com> Cc: David Ahern <dsahern@gmail.com> Link: http://lkml.kernel.org/r/54EC610C.8000403@intel.com Cc: stable@vger.kernel.org # v3.18+ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25perf tools: Fix pthread_attr_setaffinity_np build errorAdrian Hunter
Feature detection for pthread_attr_setaffinity_np was failing, producing this error: In file included from bench/futex-hash.c:17:0: bench/futex.h:73:19: error: conflicting types for ‘pthread_attr_setaffinity_np’ static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr, ^ In file included from bench/futex.h:72:0, from bench/futex-hash.c:17: /usr/include/pthread.h:407:12: note: previous declaration of ‘pthread_attr_setaffinity_np’ was here extern int pthread_attr_setaffinity_np (pthread_attr_t *__attr, ^ make[3]: *** [bench/futex-hash.o] Error 1 make[2]: *** [bench] Error 2 make[2]: *** Waiting for unfinished jobs.... This was because compiling test-pthread-attr-setaffinity-np.c failed due to the function arguments: test-pthread-attr-setaffinity-np.c: In function ‘main’: test-pthread-attr-setaffinity-np.c:11:2: warning: null argument where non-null required (argument 3) [-Wnonnull] ret = pthread_attr_setaffinity_np(&thread_attr, 0, NULL); ^ So fix the arguments. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Stephane Eranian <eranian@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1424774766-24194-1-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-25perf tools: Define _GNU_SOURCE on pthread_attr_setaffinity_np feature checkJosh Boyer
The man page for pthread_attr_set_affinity_np states that _GNU_SOURCE must be defined before pthread.h is included in order to get the proper function declaration. Define this in the Makefile. Without this defined, the feature check fails on a Fedora system with gcc5 and then the perf build later fails with conflicting prototypes for the function. Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com> Link: http://lkml.kernel.org/r/20150211162404.GA15522@hansolo.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-23perf bench: Fix order of arguments to memcpy_alloc_memBruce Merry
This was causing the destination instead of the source to be filled. As a result, the source was typically all mapped to one zero page, and hence very cacheable. Signed-off-by: Bruce Merry <bmerry@ska.ac.za> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150115092022.GA11292@kryton Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-02-18Merge tag 'virtio-next-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull virtio updates from Rusty Russell: "OK, this has the big virtio 1.0 implementation, as specified by OASIS. On top of tht is the major rework of lguest, to use PCI and virtio 1.0, to double-check the implementation. Then comes the inevitable fixes and cleanups from that work" * tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (80 commits) virtio: don't set VIRTIO_CONFIG_S_DRIVER_OK twice. virtio_net: unconditionally define struct virtio_net_hdr_v1. tools/lguest: don't use legacy definitions for net device in example launcher. virtio: Don't expose legacy net features when VIRTIO_NET_NO_LEGACY defined. tools/lguest: use common error macros in the example launcher. tools/lguest: give virtqueues names for better error messages tools/lguest: more documentation and checking of virtio 1.0 compliance. lguest: don't look in console features to find emerg_wr. tools/lguest: don't start devices until DRIVER_OK status set. tools/lguest: handle indirect partway through chain. tools/lguest: insert driver references from the 1.0 spec (4.1 Virtio Over PCI) tools/lguest: insert device references from the 1.0 spec (4.1 Virtio Over PCI) tools/lguest: rename virtio_pci_cfg_cap field to match spec. tools/lguest: fix features_accepted logic in example launcher. tools/lguest: handle device reset correctly in example launcher. virtual: Documentation: simplify and generalize paravirt_ops.txt lguest: remove NOTIFY call and eventfd facility. lguest: remove NOTIFY facility from demonstration launcher. lguest: use the PCI console device's emerg_wr for early boot messages. lguest: always put console in PCI slot #1. ...
2015-02-15Merge tag 'char-misc-3.20-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char / misc patches from Greg KH: "Here's the big char/misc driver update for 3.20-rc1. Lots of little things in here, all described in the changelog. Nothing major or unusual, except maybe the binder selinux stuff, which was all acked by the proper selinux people and they thought it best to come through this tree. All of this has been in linux-next with no reported issues for a while" * tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (90 commits) coresight: fix function etm_writel_cp14() parameter order coresight-etm: remove check for unknown Kconfig macro coresight: fixing CPU hwid lookup in device tree coresight: remove the unnecessary function coresight_is_bit_set() coresight: fix the debug AMBA bus name coresight: remove the extra spaces coresight: fix the link between orphan connection and newly added device coresight: remove the unnecessary replicator property coresight: fix the replicator subtype value pdfdocs: Fix 'make pdfdocs' failure for 'uio-howto.tmpl' mcb: Fix error path of mcb_pci_probe virtio/console: verify device has config space ti-st: clean up data types (fix harmless memory corruption) mei: me: release hw from reset only during the reset flow mei: mask interrupt set bit on clean reset bit extcon: max77693: Constify struct regmap_config extcon: adc-jack: Release IIO channel on driver remove extcon: Remove duplicated include from extcon-class.c Drivers: hv: vmbus: hv_process_timer_expiration() can be static Drivers: hv: vmbus: serialize Offer and Rescind offer ...
2015-02-15Merge tag 'usb-3.20-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB patches from Greg KH: "Here's the big pull request for the USB driver tree for 3.20-rc1. Nothing major happening here, just lots of gadget driver updates, new device ids, and a bunch of cleanups. All of these have been in linux-next for a while with no reported issues" * tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits) usb: musb: fix device hotplug behind hub usb: dwc2: Fix a bug in reading the endpoint directions from reg. staging: emxx_udc: fix the build error usb: Retry port status check on resume to work around RH bugs Revert "usb: Reset USB-3 devices on USB-3 link bounce" uhci-hub: use HUB_CHAR_* usb: kconfig: replace PPC_OF with PPC ehci-pci: disable for Intel MID platforms (update) usb: gadget: Kconfig: use bool instead of boolean usb: musb: blackfin: remove incorrect __exit_p() USB: fix use-after-free bug in usb_hcd_unlink_urb() ehci-pci: disable for Intel MID platforms usb: host: pci_quirks: joing string literals USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd) USB: usbfs: allow URBs to be reaped after disconnection cdc-acm: kill unnecessary messages cdc-acm: add sanity checks usb: phy: phy-generic: Fix USB PHY gpio reset usb: dwc2: fix USB core dependencies usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel() ...
2015-02-13Merge tag 'pm+acpi-3.20-rc1-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull more ACPI and power management updates from Rafael Wysocki: "These are two reverts related to system suspend breakage by one of a recent commits, a fix for a recently introduced bug in devfreq and a bunch of other things that didn't make it into my previous pull request, but otherwise are ready to go. Specifics: - Revert two ACPI EC driver commits, one that broke system suspend on Acer Aspire S5 and one that depends on it (Rafael J Wysocki). - Fix a typo leading to an incorrect check in the exynos-ppmu devfreq driver (Dan Carpenter). - Add support for one more Broadwell CPU model to intel_idle (Len Brown). - Fix an obscure problem with state transitions related to interrupts in the speedstep-smi cpufreq driver (Mikulas Patocka). - Remove some unnecessary messages related to the "out of memory" condition from the core PM code (Quentin Lambert). - Update turbostat parameters and documentation, add support for one more Broadwell CPU model to it and modify it to skip printing disabled package C-states (Len Brown)" * tag 'pm+acpi-3.20-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / devfreq: event: testing the wrong variable cpufreq: speedstep-smi: enable interrupts when waiting PM / OPP / clk: Remove unnecessary OOM message Revert "ACPI / EC: Add query flushing support" Revert "ACPI / EC: Add GPE reference counting debugging messages" tools/power turbostat: support additional Broadwell model intel_idle: support additional Broadwell model tools/power turbostat: update parameters, documentation tools/power turbostat: Skip printing disabled package C-states
2015-02-13Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools'Rafael J. Wysocki
* pm-cpufreq: cpufreq: speedstep-smi: enable interrupts when waiting * pm-cpuidle: intel_idle: support additional Broadwell model * pm-devfreq: PM / devfreq: event: testing the wrong variable * pm-opp: PM / OPP / clk: Remove unnecessary OOM message * pm-tools: tools/power turbostat: support additional Broadwell model tools/power turbostat: update parameters, documentation tools/power turbostat: Skip printing disabled package C-states
2015-02-13tools/lguest: don't use legacy definitions for net device in example launcher.Rusty Russell
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: use common error macros in the example launcher.Rusty Russell
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: give virtqueues names for better error messagesRusty Russell
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: more documentation and checking of virtio 1.0 compliance.Rusty Russell
This is from all the non-PCI parts of the spec. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: don't start devices until DRIVER_OK status set.Rusty Russell
We were activating them with the virtqueues, and that's not allowed. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: handle indirect partway through chain.Rusty Russell
Linux doesn't generate these, but it's perfectly valid according to a close reading of the spec. I opened virtio spec bug VIRTIO-134 to make this clearer there, too. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: insert driver references from the 1.0 spec (4.1 Virtio Over PCI)Rusty Russell
As a demonstration, the lguest launcher is pretty strict, trying to catch badly behaved drivers. Document this precisely. A good implementation would *NOT* crash the guest when these happened! Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: insert device references from the 1.0 spec (4.1 Virtio Over PCI)Rusty Russell
There are some (optional) parts we don't implement, but this quotes all the device requirements from the spec (csd 03, but it should be the same across all released versions). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: rename virtio_pci_cfg_cap field to match spec.Rusty Russell
The next patch will insert many quotes from the virtio 1.0 spec; they make most sense if we copy the spec. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: fix features_accepted logic in example launcher.Rusty Russell
We were clearing the lower bits when setting the upper bits. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: handle device reset correctly in example launcher.Rusty Russell
The example launcher doesn't reset the queue_enable like the spec says we have to. Plus, we should reset the size in case they negotiated a different (smaller) one. This is easy to test by unloading and reloading a virtio module. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-12Merge tag 'ktest-v3.20' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest Pull ktest updates from Steven Rostedt: "The following ktest updates were done: o Added timings to various parts of the test (build, install, boot, tests) and report them so that the users can keep track of changes. o Josh Poimboeuf fixed the console output to work better with virtual machine targets. o Various clean ups and fixes" * tag 'ktest-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: Place quotes around item variable ktest: Cleanup terminal on dodie() failure ktest: Print build,install,boot,test times at success and failure ktest: Enable user input to the console ktest: Give console process a dedicated tty ktest: Rename start_monitor_and_boot to start_monitor_and_install ktest: Show times for build, install, boot and test ktest: Restore tty settings after closing console ktest: Add timings for commands
2015-02-12Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge second set of updates from Andrew Morton: "More of MM" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (83 commits) mm/nommu.c: fix arithmetic overflow in __vm_enough_memory() mm/mmap.c: fix arithmetic overflow in __vm_enough_memory() vmstat: Reduce time interval to stat update on idle cpu mm/page_owner.c: remove unnecessary stack_trace field Documentation/filesystems/proc.txt: describe /proc/<pid>/map_files mm: incorporate read-only pages into transparent huge pages vmstat: do not use deferrable delayed work for vmstat_update mm: more aggressive page stealing for UNMOVABLE allocations mm: always steal split buddies in fallback allocations mm: when stealing freepages, also take pages created by splitting buddy page mincore: apply page table walker on do_mincore() mm: /proc/pid/clear_refs: avoid split_huge_page() mm: pagewalk: fix misbehavior of walk_page_range for vma(VM_PFNMAP) mempolicy: apply page table walker on queue_pages_range() arch/powerpc/mm/subpage-prot.c: use walk->vma and walk_page_vma() memcg: cleanup preparation for page table walk numa_maps: remove numa_maps->vma numa_maps: fix typo in gather_hugetbl_stats pagemap: use walk->vma instead of calling find_vma() clear_refs: remove clear_refs_private->vma and introduce clear_refs_test_walk() ...
2015-02-12Merge tag 'powerpc-3.20-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux Pull powerpc updates from Michael Ellerman: - Update of all defconfigs - Addition of a bunch of config options to modernise our defconfigs - Some PS3 updates from Geoff - Optimised memcmp for 64 bit from Anton - Fix for kprobes that allows 'perf probe' to work from Naveen - Several cxl updates from Ian & Ryan - Expanded support for the '24x7' PMU from Cody & Sukadev - Freescale updates from Scott: "Highlights include 8xx optimizations, some more work on datapath device tree content, e300 machine check support, t1040 corenet error reporting, and various cleanups and fixes" * tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: (102 commits) cxl: Add missing return statement after handling AFU errror cxl: Fail AFU initialisation if an invalid configuration record is found cxl: Export optional AFU configuration record in sysfs powerpc/mm: Warn on flushing tlb page in kernel context powerpc/powernv: Add OPAL soft-poweroff routine powerpc/perf/hv-24x7: Document sysfs event description entries powerpc/perf/hv-gpci: add the remaining gpci requests powerpc/perf/{hv-gpci, hv-common}: generate requests with counters annotated powerpc/perf/hv-24x7: parse catalog and populate sysfs with events perf: define EVENT_DEFINE_RANGE_FORMAT_LITE helper perf: add PMU_EVENT_ATTR_STRING() helper perf: provide sysfs_show for struct perf_pmu_events_attr powerpc/kernel: Avoid initializing device-tree pointer twice powerpc: Remove old compile time disabled syscall tracing code powerpc/kernel: Make syscall_exit a local label cxl: Fix device_node reference counting powerpc/mm: bail out early when flushing TLB page powerpc: defconfigs: add MTD_SPI_NOR (new dependency for M25P80) perf/powerpc: reset event hw state when adding it to the PMU powerpc/qe: Use strlcpy() ...
2015-02-12Merge branch 'turbostat' of ↵Rafael J. Wysocki
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux into pm-tools Pull additional turbostat updates for v3.20 from Len Brown. * 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: support additional Broadwell model tools/power turbostat: update parameters, documentation tools/power turbostat: Skip printing disabled package C-states
2015-02-12mm:add KPF_ZERO_PAGE flag for /proc/kpageflagsWang, Yalin
Add KPF_ZERO_PAGE flag for zero_page, so that userspace processes can detect zero_page in /proc/kpageflags, and then do memory analysis more accurately. Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com> Acked-by: Kirill A. Shutemov <kirill@shutemov.name> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-11lguest: remove NOTIFY facility from demonstration launcher.Rusty Russell
This was only used for early console, now we can get rid of it altogether. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>