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* epoll: support for disabling items, and a self-test appPaton J. Lewis2012-10-05
| | | | | | | | | | | | | | | | | Enhanced epoll_ctl to support EPOLL_CTL_DISABLE, which disables an epoll item. If epoll_ctl doesn't return -EBUSY in this case, it is then safe to delete the epoll item in a multi-threaded environment. Also added a new test_epoll self- test app to both demonstrate the need for this feature and test it. Signed-off-by: Paton J. Lewis <palewis@adobe.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Jason Baron <jbaron@redhat.com> Cc: Paul Holland <pholland@adobe.com> Cc: Davide Libenzi <davidel@xmailserver.org> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge tag 'ktest-v3.7' of ↵Linus Torvalds2012-10-01
|\ | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest Pull ktest fix from Steven Rostedt: "ktest has one fix needed for this merge window - fix parsing of ELSE IF in reading config file" * tag 'ktest-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: Fix ELSE IF statements
| * ktest: Fix ELSE IF statementsSteven Rostedt2012-09-26
| | | | | | | | | | | | | | | | | | The ELSE IF statements do not work as expected if another ELSE statement follows. This is because the $if_set is not set. If the ELSE IF condition is true, the following ELSE should be ignored. But because the $if_set is not set, the following ELSE will also be executed. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | Merge branch 'for-linus' of ↵Linus Torvalds2012-10-01
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull the trivial tree from Jiri Kosina: "Tiny usual fixes all over the place" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits) doc: fix old config name of kprobetrace fs/fs-writeback.c: cleanup riteback_sb_inodes kerneldoc btrfs: fix the commment for the action flags in delayed-ref.h btrfs: fix trivial typo for the comment of BTRFS_FREE_INO_OBJECTID vfs: fix kerneldoc for generic_fh_to_parent() treewide: fix comment/printk/variable typos ipr: fix small coding style issues doc: fix broken utf8 encoding nfs: comment fix platform/x86: fix asus_laptop.wled_type module parameter mfd: printk/comment fixes doc: getdelays.c: remember to close() socket on error in create_nl_socket() doc: aliasing-test: close fd on write error mmc: fix comment typos dma: fix comments spi: fix comment/printk typos in spi Coccinelle: fix typo in memdup_user.cocci tmiofb: missing NULL pointer checks tools: perf: Fix typo in tools/perf tools/testing: fix comment / output typos ...
| * tools/testing: fix comment / output typosMasanari Iida2012-09-01
| | | | | | | | | | | | | | Correct spelling typo in tools/testing Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | fault-injection: fix failcmd.sh warningAkinobu Mita2012-07-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "fault-injection: add tool to run command with failslab or fail_page_alloc" added tools/testing/fault-injection/failcmd.sh to make it easier to inject slab/page allocation failures by fault injection. failcmd.sh prints the following warning when running with arguments for command. # ./failcmd.sh echo aaa failcmd.sh: line 209: [: echo: binary operator expected aaa This warning is caused by an improper check whether at least one parameter is left after parsing command options. Fix it by testing the length of $1 instead of $@ Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'akpm' (Andrew's patch-bomb)Linus Torvalds2012-07-30
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge Andrew's first set of patches: "Non-MM patches: - lots of misc bits - tree-wide have_clk() cleanups - quite a lot of printk tweaks. I draw your attention to "printk: convert the format for KERN_<LEVEL> to a 2 byte pattern" which looks a bit scary. But afaict it's solid. - backlight updates - lib/ feature work (notably the addition and use of memweight()) - checkpatch updates - rtc updates - nilfs updates - fatfs updates (partial, still waiting for acks) - kdump, proc, fork, IPC, sysctl, taskstats, pps, etc - new fault-injection feature work" * Merge emailed patches from Andrew Morton <akpm@linux-foundation.org>: (128 commits) drivers/misc/lkdtm.c: fix missing allocation failure check lib/scatterlist: do not re-write gfp_flags in __sg_alloc_table() fault-injection: add tool to run command with failslab or fail_page_alloc fault-injection: add selftests for cpu and memory hotplug powerpc: pSeries reconfig notifier error injection module memory: memory notifier error injection module PM: PM notifier error injection module cpu: rewrite cpu-notifier-error-inject module fault-injection: notifier error injection c/r: fcntl: add F_GETOWNER_UIDS option resource: make sure requested range is included in the root range include/linux/aio.h: cpp->C conversions fs: cachefiles: add support for large files in filesystem caching pps: return PTR_ERR on error in device_create taskstats: check nla_reserve() return sysctl: suppress kmemleak messages ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION ipc: compat: use signed size_t types for msgsnd and msgrcv ipc: allow compat IPC version field parsing if !ARCH_WANT_OLD_COMPAT_IPC ipc: add COMPAT_SHMLBA support ...
| * | fault-injection: add tool to run command with failslab or fail_page_allocAkinobu Mita2012-07-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds tools/testing/fault-injection/failcmd.sh to run a command while injecting slab/page allocation failures via fault injection. Example: Run a command "make -C tools/testing/selftests/ run_tests" with injecting slab allocation failure. # ./tools/testing/fault-injection/failcmd.sh \ -- make -C tools/testing/selftests/ run_tests Same as above except to specify 100 times failures at most instead of one time at most by default. # ./tools/testing/fault-injection/failcmd.sh --times=100 \ -- make -C tools/testing/selftests/ run_tests Same as above except to inject page allocation failure instead of slab allocation failure. # env FAILCMD_TYPE=fail_page_alloc \ ./tools/testing/fault-injection/failcmd.sh --times=100 \ -- make -C tools/testing/selftests/ run_tests Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | fault-injection: add selftests for cpu and memory hotplugAkinobu Mita2012-07-30
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds two selftests * tools/testing/selftests/cpu-hotplug/on-off-test.sh is testing script for CPU hotplug 1. Online all hot-pluggable CPUs 2. Offline all hot-pluggable CPUs 3. Online all hot-pluggable CPUs again 4. Exit if cpu-notifier-error-inject.ko is not available 5. Offline all hot-pluggable CPUs in preparation for testing 6. Test CPU hot-add error handling by injecting notifier errors 7. Online all hot-pluggable CPUs in preparation for testing 8. Test CPU hot-remove error handling by injecting notifier errors * tools/testing/selftests/memory-hotplug/on-off-test.sh is doing the similar thing for memory hotplug. 1. Online all hot-pluggable memory 2. Offline 10% of hot-pluggable memory 3. Online all hot-pluggable memory again 4. Exit if memory-notifier-error-inject.ko is not available 5. Offline 10% of hot-pluggable memory in preparation for testing 6. Test memory hot-add error handling by injecting notifier errors 7. Online all hot-pluggable memory in preparation for testing 8. Test memory hot-remove error handling by injecting notifier errors Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Greg KH <greg@kroah.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <michael@ellerman.id.au> Cc: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | ktest: Allow perl regex expressions in conditional statementsSteven Rostedt2012-07-30
| | | | | | | | | | | | | | | | | | | | | | Add '=~' and '!~' to the list of allowed conditionals for DEFAULT and TEST_START section if statements. ie. TEST_START IF TEST =~ .*test$ Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Ignore errors it tests if IGNORE_ERRORS is setSteven Rostedt2012-07-30
| | | | | | | | | | | | | | | | | | | | | | | | The option IGNORE_ERRORS is used to allow a test to succeed even if a warning appears from the kernel. Sometimes kernels will produce warnings that are not associated with a test, and the user wants to test something else. The IGNORE_ERRORS works for boot up, but was not preventing test runs to succeed if the kernel produced a warning. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Reset saved min (force) configs for each testSteven Rostedt2012-07-20
| | | | | | | | | | | | | | | | | | | | | | The min configs are saved in a perl hash called force_configs, and this hash is used to add configs to the .config file. But it was not being reset between tests and a min config from a previous test would affect the min config of the next test causing undesirable results. Reset the force_config hash at the start of each test. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Add check for bug or panic during rebootSteven Rostedt2012-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Usually the target is booted into a dependable kernel when a test starts. The test will install the test kernel and reboot the box. But there may be a time that the kernel is running an unreliable kernel and the reboot may crash. Have ktest detect crashes on a reboot and force a power-cycle instead. This can usually happen if a test kernel was installed to run manual tests, but the user forgot to reboot to the known good kernel. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Add MAX_MONITOR_WAIT optionSteven Rostedt2012-07-19
| | | | | | | | | | | | | | | | | | | | If the console is constantly outputting content, this can cause ktest to get stuck waiting on the monitor to settle down. The option MAX_MONITOR_WAIT is the maximum time (in seconds) for ktest to wait for the console to flush. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Fix config bisect with how make oldnoconfig worksSteven Rostedt2012-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With a name like 'oldnoconfig' one may think that the config generated would disable all configs that were not defined (selecting "no" for all options). But this is not the case. It selects the default. If a config has a 'default y', then it is added if not specified. This broke the config bisect, because options not specified by a config will just use the default, where it expected to turn off. This caused an option to be enabled that disabled an option that would break the build. The end result was that we never found the bad config at the end of the test. Instead of using 'make oldnoconfig', ktest now builds the options it expects enabled and disabled. When it turns off an option, it will no longer remove it, but actually set it to: # CONFIG_FOO is not set. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Add CONFIG_BISECT_CHECK optionSteven Rostedt2012-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The config-bisect can take a bad config and bisect it down to find out what config actually breaks the config. But as all tests will apply a minconfig (defined by a user) to apply before booting, it is possible that the minconfig could actually make the bad config work (minconfigs can disable configs). The end result is that the config bisect test will not find a config that breaks. This can be rather frustrating to the user. The CONFIG_BISECT_CHECK option, when set to 1, will make sure that the bad config (with the minconfig applied) still fails before trying to bisect. And yes, I did get burned by this. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Add PRE_INSTALL optionSteven Rostedt2012-07-19
| | | | | | | | | | | | | | Add the PRE_INSTALL option that will allow a user to specify a shell command to be executed before the install operation executes. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Add PRE/POST_KTEST and TEST optionsSteven Rostedt2012-07-19
| | | | | | | | | | | | | | | | | | | | | | | | | | In order to let the user add commands before and after ktest runs, the PRE_KTEST and POST_KTEST options are defined. They hold shell commands that will execute befor ktest runs its first test, as well as when it completed its last test. The PRE_TEST and POST_TEST will be run befor and after (respectively) for a given test. They can either be global (done for all tests) or defined by a single test. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | ktest: Remove commented exitSteven Rostedt2012-07-19
|/ | | | | | A debug 'exit' was left in ktest.pl. Remove it. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* syscalls, x86: add __NR_kcmp syscallCyrill Gorcunov2012-05-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While doing the checkpoint-restore in the user space one need to determine whether various kernel objects (like mm_struct-s of file_struct-s) are shared between tasks and restore this state. The 2nd step can be solved by using appropriate CLONE_ flags and the unshare syscall, while there's currently no ways for solving the 1st one. One of the ways for checking whether two tasks share e.g. mm_struct is to provide some mm_struct ID of a task to its proc file, but showing such info considered to be not that good for security reasons. Thus after some debates we end up in conclusion that using that named 'comparison' syscall might be the best candidate. So here is it -- __NR_kcmp. It takes up to 5 arguments - the pids of the two tasks (which characteristics should be compared), the comparison type and (in case of comparison of files) two file descriptors. Lookups for pids are done in the caller's PID namespace only. At moment only x86 is supported and tested. [akpm@linux-foundation.org: fix up selftests, warnings] [akpm@linux-foundation.org: include errno.h] [akpm@linux-foundation.org: tweak comment text] Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Pavel Emelyanov <xemul@parallels.com> Cc: Andrey Vagin <avagin@openvz.org> Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Glauber Costa <glommer@parallels.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Tejun Heo <tj@kernel.org> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Vasiliy Kulikov <segoon@openwall.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Valdis.Kletnieks@vt.edu Cc: Michal Marek <mmarek@suse.cz> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* tools/selftests: add mq_perf_testsDoug Ledford2012-05-31
| | | | | | | | | | | | | | | Add the mq_perf_tests tool I used when creating my mq performance patch. Also add a local .gitignore to keep the binaries from showing up in git status output. [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Doug Ledford <dledford@redhat.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* selftests: add mq_open_testsDoug Ledford2012-05-31
| | | | | | | | | | | | | | | | | Add a directory to house POSIX message queue subsystem specific tests. Add first test which checks the operation of mq_open() under various corner conditions. Signed-off-by: Doug Ledford <dledford@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Doug Ledford <dledford@redhat.com> Cc: Joe Korty <joe.korty@ccur.com> Cc: Amerigo Wang <amwang@redhat.com> Cc: Serge E. Hallyn <serue@us.ibm.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ktest: Change singular "paranthesis" to plural "parentheses"Jesper Juhl2012-05-23
| | | | | | Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add README to explain what is in the examples directorySteven Rostedt2012-05-22
| | | | | | | Add a README that explains what the different example configs in the ktest example directory are about. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add the snowball.conf example configSteven Rostedt2012-05-22
| | | | | | | | | | I used the snowball.conf in a live demo that demonstrated how to use ktest.pl with a snowball ARM board. I've been asked to included that config in the ktest repository. Here it is. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add an example config that does cross compiling of several archsSteven Rostedt2012-05-22
| | | | | | | | | | | | Add the config that I use to test several archs. I downloaded several cross compilers from: http://kernel.org/pub/tools/crosstool/files/bin/x86_64/ and this config is an example to crosscompile several archs to make sure that your changes do not break archs that you are not working on. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add kvm.conf example configSteven Rostedt2012-05-22
| | | | | | | Add an example config that explains how to use ktest with a virtual guest as the target. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add useful example configsSteven Rostedt2012-05-22
| | | | | | | | | I've been asked several times to provide more useful example configs for ktest.pl, as the sample.conf is too complex (because it explains all configs). This adds configs broken up by use case, and these configs are based on actual configs that I use on a daily basis. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add USE_OUTPUT_MIN_CONFIG to avoid prompt on make_min_configSteven Rostedt2012-05-22
| | | | | | | | | | | | | | | | | | | If the file that OUTPUT_MIN_CONFIG exists then ktest.pl will prompt the user and ask them if the OUTPUT_MIN_CONFIG should be used as the starting point for make_min_config instead of MIN_CONFIG. This is usually the case, and to allow the user to do so, which is helpful if the user is creating different min configs based on tests, and they know one is a superset of another test, they can set USE_OUTPUT_MIN_CONFIG to one, which will prevent kest.pl from prompting to use the OUTPUT_MIN_CONFIG and it will just use it. If USE_OUTPUT_MIN_CONIFG is set to zero, then ktest.pl will continue to use MIN_CONFIG instead. The default is that USE_OUTPUT_MIN_CONFIG is undefined. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add MIN_CONFIG_TYPE to allow making a minum .config that has networkSteven Rostedt2012-05-21
| | | | | | | | | | | | | Add a MIN_CONFIG_TYPE that can be set to 'test' or 'boot'. The default is 'boot' which is what make_min_config has done previously: makes a config file that is the minimum needed to boot the target. But when MIN_CONFIG_TYPE is set to 'test', not only must the target boot, but it must also successfully run the TEST. This allows the creation of a config file that is the minimum to boot and also perform ssh to the target, or anything else a developer wants. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Fix kernelrevision with POST_BUILDSteven Rostedt2012-05-18
| | | | | | | | | | | | | | | | | | | | | | | | | The PRE_BUILD and POST_BUILD options of ktest are added to allow the user to add temporary patch to the system and remove it on builds. This is sometimes use to take a change from another git branch and add it to a series without the fix so that this series can be tested, when an unrelated bug exists in the series. The problem comes when a tagged commit is being used. For example, if v3.2 is being tested, and we add a patch to it, the kernelrelease for that commit will be 3.2.0+, but without the patch the version will be 3.2.0. This can cause problems when the kernelrelease is determined for creating the /lib/modules directory. The kernel booting has the '+' but the module directory will not, and the modules will be missing for that boot, and may not allow the kernel to succeed. The fix is to put the creation of the kernelrelease in the POST_BUILD logic, before it applies the POST_BUILD operation. The POST_BUILD is where the patch may be removed, removing the '+' from the kernelrelease. The calculation of the kernelrelease will also stay in its current location but will be ignored if it was already calculated previously. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Fix reboot on success stopping all rebootsSteven Rostedt2012-05-01
| | | | | | | | | | | | | | | The change to let individual tests decide to reboot the machine on success of the entire test also prevented errors from rebooting when an error was detected. The "no_reboot" variable was only cleared if the test had reboot_on_success set. But the no_reboot variable also prevents the test rebooting when an error was detected even when REBOOT_ON_ERROR was set. Add a new "reboot_success" variable that is used to determine if the test should reboot on success and not touch the no_reboot variable. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest.pl: Fix combined usage of BISECT_REVERSE and BISECT_SKIPRuss Dill2012-05-01
| | | | | | | | | | | | | | | When BISECT_REVERSE and BISECT_SKIP are used together with boot or test testing, build failures are treated as boot or test failures and 'git bisect bad' is executed instead of 'git bisect skip'. This is because the $ret value of -1 is treated as a build failure, but the $reverse_bisect logic does not properly handle this. Simple fix, only invert it if it is positive. Link: http://lkml.kernel.org/r/1335235380-8509-1-git-send-email-Russ.Dill@ti.com Signed-off-by: Russ Dill <Russ.Dill@ti.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* mm: move hugepage test examples to tools/testing/selftests/vmDave Young2012-03-28
| | | | | | | | | | | | | | | | | | | | | | | | | | hugepage-mmap.c, hugepage-shm.c and map_hugetlb.c in Documentation/vm are simple pass/fail tests, It's better to promote them to tools/testing/selftests. Thanks suggestion of Andrew Morton about this. They all need firstly setting up proper nr_hugepages and hugepage-mmap need to mount hugetlbfs. So I add a shell script run_vmtests to do such work which will call the three test programs and check the return value of them. Changes to original code including below: a. add run_vmtests script b. return error when read_bytes mismatch with writed bytes. c. coding style fixes: do not use assignment in if condition [akpm@linux-foundation.org: build the targets before trying to execute them] [akpm@linux-foundation.org: Documentation/vm/ no longer has a Makefile. Fixes "make clean"] Signed-off-by: Dave Young <dyoung@redhat.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* selftests/Makefile: make `run_tests' depend on `all'Andrew Morton2012-03-28
| | | | | | | | So a "make run_tests" will build the tests before trying to run them. Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* selftests: launch individual selftests from the main MakefileFrederic Weisbecker2012-03-28
| | | | | | | | | | | | | | | | Remove the run_tests script and launch the selftests by calling "make run_tests" from the selftests top directory instead. This delegates to the Makefile in each selftest directory, where it is decided how to launch the local test. This removes the need to add each selftest directory to the now removed "run_tests" top script. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Dave Young <dyoung@redhat.com> Cc: Christoph Lameter <cl@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge tag 'ktest-v3.4' of ↵Linus Torvalds2012-03-23
|\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest Pull ktest changes from Steven Rostedt. * tag 'ktest-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: Allow a test to override REBOOT_ON_SUCCESS ktest: Fix SWITCH_TO_GOOD to also reboot the machine ktest: Add SCP_TO_TARGET_INSTALL option ktest: Add warning when bugs are ignored ktest: Add INSTALL_MOD_STRIP=1 when installing modules
| * ktest: Allow a test to override REBOOT_ON_SUCCESSSteven Rostedt2012-03-21
| | | | | | | | | | | | | | | | | | | | | | | | | | The option REBOOT_ON_SUCCESS is global, and will have the machine reboot the the box if all tests are successful. But a test may not want the machine to reboot, and perhaps have the kernel it loaded be used to install the next kernel. Or the last test may set up a kernel that the user may want to look at. In this case, the user could have the global option REBOOT_ON_SUCCESS be true, but if a test is defined to run at the end, that test can override the global option and keep the kernel it installed for the user to log in with. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * ktest: Fix SWITCH_TO_GOOD to also reboot the machineSteven Rostedt2012-03-21
| | | | | | | | | | | | | | | | | | When the option SWITCH_TO_GOOD is set, it will be called when the system needs to reboot to the good server. But currently, this keeps the reboot from happening. The SWITCH_TO_GOOD is just a way to get to a new kernel, it may not mean to not reboot. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * ktest: Add SCP_TO_TARGET_INSTALL optionSteven Rostedt2012-03-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the option used to scp both the modules to the target as well as the kernel image are the same (SCP_TO_TARGET). But some embedded boards may require them to be different. The modules may need to be put directly on the board, but the kernel image may need to go to a tftpserver. Add the option SCP_TO_TARGET_INSTALL that will allow the user to change the config so that they may have the modules and image got to different machines. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * ktest: Add warning when bugs are ignoredSteven Rostedt2012-03-21
| | | | | | | | | | | | | | | | | | | | | | | | | | When IGNORE_ERRORS is set, ktest will not fail a test if a backtrace is detected. But this can be an issue if the user added it in the config but forgot to remove it. They may be left wondering why their test did not fail, or even worse, why their bisect gave the wrong commit. Add a warning in the output if IGNORE_WARNINGS is set, and ktest detects a kernel error. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * ktest: Add INSTALL_MOD_STRIP=1 when installing modulesSteven Rostedt2012-03-21
| | | | | | | | | | | | | | To keep the modules from bloating the target's filesystem strip them during the install. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | Merge branch 'for-linus' of ↵Linus Torvalds2012-03-21
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree from Jiri Kosina: "It's indeed trivial -- mostly documentation updates and a bunch of typo fixes from Masanari. There are also several linux/version.h include removals from Jesper." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (101 commits) kcore: fix spelling in read_kcore() comment constify struct pci_dev * in obvious cases Revert "char: Fix typo in viotape.c" init: fix wording error in mm_init comment usb: gadget: Kconfig: fix typo for 'different' Revert "power, max8998: Include linux/module.h just once in drivers/power/max8998_charger.c" writeback: fix fn name in writeback_inodes_sb_nr_if_idle() comment header writeback: fix typo in the writeback_control comment Documentation: Fix multiple typo in Documentation tpm_tis: fix tis_lock with respect to RCU Revert "media: Fix typo in mixer_drv.c and hdmi_drv.c" Doc: Update numastat.txt qla4xxx: Add missing spaces to error messages compiler.h: Fix typo security: struct security_operations kerneldoc fix Documentation: broken URL in libata.tmpl Documentation: broken URL in filesystems.tmpl mtd: simplify return logic in do_map_probe() mm: fix comment typo of truncate_inode_pages_range power: bq27x00: Fix typos in comment ...
| * tools: Fix typo in ktest.plMasanari Iida2012-02-21
| | | | | | | | | | | | | | | | Correct spelling "faied" to "failed" in tools/testing/ktest/ktest.pl Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | Merge tag 'ktest-fix-make-min-failed-build-for-real' of ↵Linus Torvalds2012-02-27
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest While demoing ktest at ELC in 2012, it was embarrassing that the make_min_config test failed to work because the snowball board I was testing it against had a config that would not build. But the make_min_config only tested the testing part and ignored build failures. The end result was a config file that would not boot. This time, for real. * tag 'ktest-fix-make-min-failed-build-for-real' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: Fix make_min_config test when build fails
| * ktest: Fix make_min_config test when build failsSteven Rostedt2012-02-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The make_min_config does not take into account when the build fails, resulting in a invalid MIN_CONFIG .config file. When the build fails, it is ignored and the boot test is executed, using the previous built kernel. The configs that should be tested are not tested and they may be added or removed depending on the result of the last kernel that succeeded to be built. If the build fails, mark the current config as a failure and the configs that were disabled may still be needed. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | Merge branch 'for-linus' of ↵Linus Torvalds2012-01-16
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: Add INGORE_ERRORS to ignore warnings in boot up ktest: Still do reboot even for REBOOT_TYPE = script ktest: Fix compare script to test if options are not documented ktest: Detect typos in option names ktest: Have all values be set by defaults ktest: Change initialization of defaults hash to perl format ktest: Add options SWITCH_TO_GOOD and SWITCH_TO_TEST ktest: Allow overriding bisect test results ktest: Evaluate options before processing them ktest: Evaluate $KERNEL_VERSION in both install and post install ktest: Only ask options needed for install ktest: When creating a new config, ask for BUILD_OPTIONS ktest: Do not ask for some options if the only test is build ktest: Ask for type of test when creating a new config ktest: Allow bisect test to restart where it left off ktest: When creating new config, allow the use of ${THIS_DIR} ktest: Add default for ssh-user, build-target and target-image ktest: Allow success logs to be stored ktest: Save test output
| * ktest: Add INGORE_ERRORS to ignore warnings in boot upSteven Rostedt2012-01-04
| | | | | | | | | | | | | | | | | | | | When testing a kernel that has warnings, ktest.pl will fail the test when it sees the warning. If you need to test the the kernel and want to ignore the errors that are produced, the option IGNORE_ERRORS has been added. When IGNORE_ERRORS is set to something other than 0, it will ignore call traces due to WARN_ON(). Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * ktest: Still do reboot even for REBOOT_TYPE = scriptSteven Rostedt2012-01-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The REBOOT_TYPE may be either grub or script, if it is script it is expected that a REBOOT_SCRIPT is defined. With the SWITCH_TO_TEST which is the complement of SWITCH_TO_GOOD, which does basically the same thing as REBOOT_SCRIPT and but for both grub and script, the REBOOT_SCRIPT does not need to be mandatory anymore. Do not require the REBOOT_SCRIPT and always run the reboot code for both grub and script. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * ktest: Fix compare script to test if options are not documentedSteven Rostedt2011-12-22
| | | | | | | | | | | | | | | | | | | | | | The compare script compare-ktest-sample.pl checks for options that are defined in ktest.pl and not documented in samples.conf, as well as samples in samples.conf that are not used in ktest.pl. With the switch to the hash format to initialize the ktest variables the compare script needs to be updated to handle the change. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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