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2017-06-30selftests: breakpoints: breakpoint_test_arm64: convert test to use TAP13Shuah Khan1-36/+58
Convert breakpoint_test_arm64 output to TAP13 format. Use ksft_* var arg msg api to include strerror() info. in the output. Change output from child process to use ksft_print_msg() instead of ksft_exit_* to avoid double counting tests and ensure parent process does the test counter incrementing. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-06-30selftests: breakpoints: step_after_suspend_test use ksft_* var arg msg apiShuah Khan1-26/+33
Use ksft_* var arg msg to include strerror() info. in test output and simplify test_result and exit_* using var arg msg api. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-06-30selftests: breakpoint_test: use ksft_* var arg msg apiShuah Khan1-12/+16
Use ksft_* var arg msg to include strerror() info. in test output. Change output from child process to use ksft_print_msg() instead of ksft_exit_* to avoid double counting tests and ensure parent does the incrementing test counters. Also includes unused variable cleanup. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-06-15kselftest: make callers of ksft_exit_skip() output the reason for skippingPaul Elder2-4/+3
Make the three tests that did use the old ksft_ext_skip() (breakpoints/breakpoint_test_arm64, breakpoints/step_after_suspend_test, and membarrier_test) use the new one, with an output for the reason for skipping all the tests. Signed-off-by: Paul Elder <paul.elder@pitt.edu> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-06-13kselftest: breakpoints: convert step_after_suspend_test to TAP13 outputPaul Elder1-26/+17
Make the step_after_suspend test output in the TAP13 format by using the TAP13 output functions defined in kselftest.h Signed-off-by: Paul Elder <paul.elder@pitt.edu> Signed-off-by: Alice Ferrazzi <alice.ferrazzi@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-06-13kselftest: breakpoints: convert breakpoint_test to TAP13 outputPaul Elder1-14/+15
Make the breakpoints test output in the TAP13 format by using the TAP13 output functions defined in kselftest.h Signed-off-by: Paul Elder <paul.elder@pitt.edu> Signed-off-by: Alice Ferrazzi <alice.ferrazzi@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-04-21selftests: breakpoints: allow to cross-compile for aarch64/arm64Fathi Boudra1-1/+1
To build breakpoint_test_arm64, ARCH value is only tested for "aarch64". It covers only the native build because it's computed from uname -m output. For cross-compilation, ARCH is set to arm64 and prevent to cross-compile the test. Fix the test to allow both native and cross-compilation of the test. Note: glibc is missing several of the TRAP_* constants in the userspace definitions. Specifically TRAP_BRANCH and TRAP_HWBKPT. See https://sourceware.org/bugzilla/show_bug.cgi?id=21286 Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org> Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-01-05selftests: remove duplicated all and clean targetbamvor.zhangjian@huawei.com1-7/+3
Currently, kselftest use TEST_PROGS, TEST_PROGS_EXTENDED, TEST_FILES to indicate the test program, extended test program and test files. It is easy to understand the purpose of these files. But mix of compiled and uncompiled files lead to duplicated "all" and "clean" targets. In order to remove the duplicated targets, introduce TEST_GEN_PROGS, TEST_GEN_PROGS_EXTENDED, TEST_GEN_FILES to indicate the compiled objects. Also, the later patch will make use of TEST_GEN_XXX to redirect these files to output directory indicated by KBUILD_OUTPUT or O. And add this changes to "Contributing new tests(details)" of Documentation/kselftest.txt. Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-11-18selftests: arm64: add test for unaligned/inexact watchpoint handlingPratyush Anand2-1/+240
ARM64 hardware expects 64bit aligned address for watchpoint invocation. However, it provides byte selection method to select any number of consecutive byte set within the range of 1-8. This patch adds support to test all such byte selection option for different memory write sizes. Patch also adds a test for handling the case when the cpu does not report an address which exactly matches one of the regions we have been watching (which is a situation permitted by the spec if an instruction accesses both watched and unwatched regions). The test was failing on a MSM8996pro before this patch series and is passing now. Signed-off-by: Pavel Labath <labath@google.com> Signed-off-by: Pratyush Anand <panand@redhat.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-02-25selftests: add missing .gitignore file or entrySudeep Holla1-0/+1
Only IPC selftest is missing the .gitignore file, so add it. Also step_after_suspend_test is missing in breakpoints selftest .gitignore file Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-02-25selftests: breakpoint: add step_after_suspend_testGreg Hackmann2-1/+221
Commit e56d82a11617 ("arm64: cpu hotplug: ensure we mask out CPU_TASKS_FROZEN in notifiers") fixed a long-standing ARM64 bug that broke single-stepping after a suspend/resume cycle. Add a kernel selftest to make sure this doesn't regress or affect other platforms. Signed-off-by: Greg Hackmann <ghackmann@google.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-01-07add breakpoints/.gitignoreYuan Sun1-0/+1
Signed-off-by: Yuan Sun <sunyuan3@huawei.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-11-03selftests: breakpoint: Actually build itBen Hutchings1-1/+1
Fixes: 9fae100cbd10 ("selftests: breakpoints: fix installing error on ...") Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-08-27selftests: breakpoints: fix installing error on the architecture except x86Bamvor Jian Zhang1-13/+3
Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-03-13selftests: Introduce minimal shared logic for running testsMichael Ellerman1-2/+3
This adds a Make include file which most selftests can then include to get the run_tests logic. On its own this has the advantage of some reduction in repetition, and also means the pass/fail message is defined in fewer places. However the key advantage is it will allow us to implement install very simply in a subsequent patch. The default implementation just executes each program in $(TEST_PROGS). We use a variable to hold the default implementation of $(RUN_TESTS) because that gives us a clean way to override it if necessary, ie. using override. The mount, memory-hotplug and mqueue tests use that to provide a different implementation. Tests are not run via /bin/bash, so if they are scripts they must be executable, we add a+x to several. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2014-11-17selftests/breakpoints: change test to use ksft frameworkShuah Khan1-4/+6
Change breakpoints test to use kselftest framework to report test results. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2012-12-17breakpoint selftests: print failure status instead of cause make errorDave Young1-1/+1
In case breakpoint test exit non zero value it will cause make error. Better way is just print the test failure status. Signed-off-by: Dave Young <dyoung@redhat.com> Reviewed-by: Pekka Enberg <penberg@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-28selftests: launch individual selftests from the main MakefileFrederic Weisbecker1-2/+5
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>
2012-01-12selftests: new x86 breakpoints selftestFrederic Weisbecker2-0/+414
Bring a first selftest in the relevant directory. This tests several combinations of breakpoints and watchpoints in x86, as well as icebp traps and int3 traps. Given the amount of breakpoint regressions we raised after we merged the generic breakpoint infrastructure, such selftest became necessary and can still serve today as a basis for new patches that touch the do_debug() path. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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