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2015-03-12selftests/timers: Add clocksource-switch test from timetest suiteJohn Stultz2-1/+181
Adds the clocksource-switch tests which continually switches the current clocksource between all the available ones, watching for any timekeeping inconsistencies. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add skew_consistency test from the timetests suiteJohn Stultz2-1/+91
This change adds the skew_consistency test, which twists the ADJ_FREQUENCY knob back and forth and watches for timekeeping inconsistencies. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add change_skew test from timetest suiteJohn Stultz2-1/+109
This patch adds the change_skew test which validates the adjtimex freq can be set to various values and then using the inconsistency-check, raw_skew, and nanosleep tests ensures time behaves properly. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add alarmtimer-suspend test from timetests suiteJohn Stultz2-2/+189
This adds the alarmtimer-suspend test from the timetests suite, which tests that the alarmtimers wake the system up from suspend shortly after the time they were set to fire. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add adjtimex validation test from timetest suiteJohn Stultz2-1/+212
This adds a adjtimex validation test which checks the behavior for a set of valida and invalid inputs. So far this only tests ADJ_FREQUENCY, but hopefully will grow. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add mqueue latency test from the timetest suiteJohn Stultz2-1/+126
Add test to validate mqueue timeout latency from the timetest suite Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add threaded time inconsistency test from timetest suiteJohn Stultz2-2/+202
Add the threaded time inconsistency test from the timetest suite. This checks for time inconsistencies between cpus, usually associated with clock skew as sometimes found w/ TSCs. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add set-timer-lat test from timetest suiteJohn Stultz2-1/+213
Add my set-timer-lat test from the timetest suite. This test checks the latency from set_timer and reports if any are unreasonable (>40ms). Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add clock skew estimation test from timetest suiteJohn Stultz2-1/+156
This adds my clock skew estimation test from the timetest suite. It measures the drift between CLOCK_MONOTONIC and CLOCK_MONOTONIC_RAW and compares it with the current frequency value from adjtimex. It sometimes can trigger false failures when ntpd isn't in a steady state, but its a useful too when doing adjtimex testing. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add nsleep-lat test from timetest suiteJohn Stultz2-1/+192
Adds my nanosleep latency test from the timetest suite. This checks to make sure we don't see "unreasonable" latencies (> 40ms) when calling nanosleep. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add inconsistency-check test from timetestsJohn Stultz2-2/+206
This adds my inconsistency-test from my timetests suite, which checks for (single threaded) time inconsistencies across the various clockids. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Add nanosleep test from timetest suiteJohn Stultz2-1/+176
Add my basic nanosleep test from my timetest suite. This test validates that nanosleep doesn't return early against a number of clockids. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Quiet warning due to lack of return check on brkJohn Stultz1-5/+4
The posix_timers.c test has a loop that tries to keep it in kernel space, repeatedly calling brk(). However, it doesn't check the return value, which causes warnings. This patch adds a err value which captures the return value and modifies the test so it will quit if a failure occurs. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-12selftests/timers: Cleanup Makefile to make it easier to add future testsJohn Stultz1-3/+8
Try to streamline the makefile so its easier to add timer/timekeeping tests. Also adds support for the CROSS_COMPILE variable. Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Tested-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-02Merge branch 'fixes-for-4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermalLinus Torvalds5-14/+63
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 git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds7-8/+30
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 Norris1-0/+3
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 Norris1-1/+10
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 Norris1-2/+2
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 Norris1-0/+1
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 Norris1-5/+16
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 Norris1-4/+5
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 Norris1-0/+12
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 Norris2-2/+14
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 Ahern1-0/+4
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 Ahern1-0/+5
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 Ahern1-1/+1
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 Hunter1-3/+15
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 Hunter1-1/+2
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 Boyer1-1/+1
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>
2015-02-22perf bench: Fix order of arguments to memcpy_alloc_memBruce Merry1-2/+2
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 git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linuxLinus Torvalds2-340/+1684
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 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds3-32/+23
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 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds3-13/+20
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 git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds2-158/+254
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. Wysocki2-158/+254
* 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 Russell1-1/+2
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: use common error macros in the example launcher.Rusty Russell1-101/+105
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: give virtqueues names for better error messagesRusty Russell1-7/+12
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-02-13tools/lguest: more documentation and checking of virtio 1.0 compliance.Rusty Russell1-14/+293
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 Russell1-8/+36
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 Russell1-12/+13
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 Russell1-2/+57
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 Russell1-9/+131
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 Russell1-8/+9
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 Russell1-1/+1
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 Russell1-2/+18
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 git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktestLinus Torvalds1-30/+229
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
2015-02-11Merge branch 'akpm' (patches from Andrew)Linus Torvalds1-0/+1
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() ...
2015-02-11Merge tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linuxLinus Torvalds14-4/+393
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() ...