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
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Merge tag 'ktest-v3.20' of 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
Including:
- 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."
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Merge tag 'powerpc-3.20-1' of 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()
...
Seems that some of the new console logic causes doprint to possibly
get evaluated. When printing a commit message that contains parenthesis,
it fails with a shell parsing error.
This gets fixed when we add quotes around the $item variable, and prevent
it from being evaluated by any shell commands.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
If dodie() is called with the console open, restore the terminal's
original settings before dying.
Link: http://lkml.kernel.org/r/20150130025453.GB20952@treble.redhat.com
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Since both success and failure may shortcut and exit ktest, it is better
to print the status times there too. Once times are printed, the values
for the times are reset, so they will not print more than once.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
The function start_monitor_and_boot is a misnomer. It use to, but
now it starts the monitor and installs. It does not boot. Rename it
before I get confused by it again.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Seeing the times for how long a build, install, reboot and the
test takes is helpful for analyzing the test process. Seeing
how different changes affect the timings.
Show the build, install, boot and test times when at the end of
the test, or between each interval for tests that do those
mulitple times (like bisect and patchcheck).
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
When ktest runs the console program as a child process, the parent and
child share the same tty for stdin and stderr. This is problematic when
using a libvirt target. The "virsh console" program makes a lot of
changes to the tty settings, making ktest's output hard to read
(carriage returns don't work). After ktest exits, the terminal is
unusable (CRs broken, stdin isn't echoed).
I think the best way to fix this issue would be to create a
pseudoterminal (pty pair) so the child process would have a dedicated
tty, and then use pipes to connect the two ttys. I'm not sure if that's
overkill, but it's far beyond my current Perl abilities.
This patch is a much easier way to (partially) fix this issue. It saves
the tty settings before opening the console and restores them after
closing it. There are still a few places where ktest prints mangled
output while the console is open, but the output is much more legible
overall, and the terminal works just fine after ktest exits.
Link: http://lkml.kernel.org/r/1bb89abc0025cf1d6da657c7ba58bbeb4381a515.1422382008.git.jpoimboe@redhat.com
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
I find that I usually like to see how long a make or other command takes,
and adding a start and end time and reporting how long each command runs
(in seconds) is helpful.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This patch includes all of the powerpc test binaries into the .gitignore
file listing in their respective directories. This will make sure that
git ignores all of these test binaries when displaying status.
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Pull RCU updates from Paul E. McKenney:
- Documentation updates.
- Miscellaneous fixes.
- Preemptible-RCU fixes, including fixing an old bug in the
interaction of RCU priority boosting and CPU hotplug.
- SRCU updates.
- RCU CPU stall-warning updates.
- RCU torture-test updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
A system misconfiguration that prevents qemu from running at all (for
example, a missing dynamically linked library) will keep the console.log
file from the previous run. This can fool the developer into thinking
that this failed run actually completed correctly. This commit therefore
overwrites the console.log file just before launching qemu.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
More recent qemu implementations really want "-enable-kvm", and the
"-soundhw pcspk" makes the script a bit less dependent on odd audio
libraries being installed. This commit therefore adds both to the
default qemu command line.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
The mpstat command recently added the %gnice column, which messes up
the cpu2use.sh script's idle-CPU calculations. This commit therefore
uses $NF instead of $12 to select the last (%idle) column.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Normal rcutorture checking overestimates grace periods somewhat due to
the fact that there is a delay from a grace-period request until the
start of the corresponding grace period and another delay from the end
of that grace period to notification of the requestor. This means that
rcutorture's detection of RCU bugs is less sensitive than it might be.
It turns out that rcutorture also checks the underlying grace-period
"completed" counter (displayed in Reader Batch output), which in theory
allows rcutorture to do exact checks. In practice, memory misordering
(by both compiler and CPU) can result in false positives. However,
experience on x86 shows that these false positives are quite rare,
occurring less than one time per 1,000 hours of testing. This commit
therefore does the exact checking, giving a warning if any Reader Batch
blows happen, and flagging an error if they happen more often than
once every three hours in long tests.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
add -lrt to fix undefined reference to `clock_gettime'
error seen when the test is compiled using gcc 4.6.4.
Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
We can't use a char type to check for a negative return value since char
isn't guaranteed to be signed. Indeed, the char type tends to be unsigned on
ARM.
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
When the shell fails to invoke a script because its path name
is too long (ENAMETOOLONG), most shells return 127 to indicate
command not found. However, some systems report 126 (which POSIX
suggests should indicate a non-executable file) for this case,
so allow that too.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David Drysdale <drysdale@google.com>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
The current rcutorture scripting checks for actual stalls (via the "Call
Trace:" check), but fails to spot the case where a stall ends just as it
is being detected. This commit therefore adds a check for this case.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
On 32-bit:
execveat.c: In function 'check_execveat_pathmax':
execveat.c:183: warning: format '%lu' expects type 'long unsigned int', but argument 3 has type 'size_t'
execveat.c:187: warning: format '%lu' expects type 'long unsigned int', but argument 2 has type 'size_t'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
This list is supposed to be sorted, to reduce patch collisions.
Cc: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull user namespace related fixes from Eric Biederman:
"As these are bug fixes almost all of thes changes are marked for
backporting to stable.
The first change (implicitly adding MNT_NODEV on remount) addresses a
regression that was created when security issues with unprivileged
remount were closed. I go on to update the remount test to make it
easy to detect if this issue reoccurs.
Then there are a handful of mount and umount related fixes.
Then half of the changes deal with the a recently discovered design
bug in the permission checks of gid_map. Unix since the beginning has
allowed setting group permissions on files to less than the user and
other permissions (aka ---rwx---rwx). As the unix permission checks
stop as soon as a group matches, and setgroups allows setting groups
that can not later be dropped, results in a situtation where it is
possible to legitimately use a group to assign fewer privileges to a
process. Which means dropping a group can increase a processes
privileges.
The fix I have adopted is that gid_map is now no longer writable
without privilege unless the new file /proc/self/setgroups has been
set to permanently disable setgroups.
The bulk of user namespace using applications even the applications
using applications using user namespaces without privilege remain
unaffected by this change. Unfortunately this ix breaks a couple user
space applications, that were relying on the problematic behavior (one
of which was tools/selftests/mount/unprivileged-remount-test.c).
To hopefully prevent needing a regression fix on top of my security
fix I rounded folks who work with the container implementations mostly
like to be affected and encouraged them to test the changes.
> So far nothing broke on my libvirt-lxc test bed. :-)
> Tested with openSUSE 13.2 and libvirt 1.2.9.
> Tested-by: Richard Weinberger <richard@nod.at>
> Tested on Fedora20 with libvirt 1.2.11, works fine.
> Tested-by: Chen Hanxiao <chenhanxiao@cn.fujitsu.com>
> Ok, thanks - yes, unprivileged lxc is working fine with your kernels.
> Just to be sure I was testing the right thing I also tested using
> my unprivileged nsexec testcases, and they failed on setgroup/setgid
> as now expected, and succeeded there without your patches.
> Tested-by: Serge Hallyn <serge.hallyn@ubuntu.com>
> I tested this with Sandstorm. It breaks as is and it works if I add
> the setgroups thing.
> Tested-by: Andy Lutomirski <luto@amacapital.net> # breaks things as designed :("
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
userns: Unbreak the unprivileged remount tests
userns; Correct the comment in map_write
userns: Allow setting gid_maps without privilege when setgroups is disabled
userns: Add a knob to disable setgroups on a per user namespace basis
userns: Rename id_map_mutex to userns_state_mutex
userns: Only allow the creator of the userns unprivileged mappings
userns: Check euid no fsuid when establishing an unprivileged uid mapping
userns: Don't allow unprivileged creation of gid mappings
userns: Don't allow setgroups until a gid mapping has been setablished
userns: Document what the invariant required for safe unprivileged mappings.
groups: Consolidate the setgroups permission checks
mnt: Clear mnt_expire during pivot_root
mnt: Carefully set CL_UNPRIVILEGED in clone_mnt
mnt: Move the clear of MNT_LOCKED from copy_tree to it's callers.
umount: Do not allow unmounting rootfs.
umount: Disallow unprivileged mount force
mnt: Update unprivileged remount test
mnt: Implicitly add MNT_NODEV on remount when it was implicitly added by mount
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Merge tag 'linux-kselftest-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest update from Shuah Khan:
"kselftest updates for 3.19-rc1:
- kcmp test include file cleanup
- kcmp change to build on all architectures
- A light weight kselftest framework that provides a set of
interfaces for tests to use to report results. In addition,
several tests are updated to use the framework.
- A new runtime system size test that prints the amount of RAM that
the currently running system is using"
* tag 'linux-kselftest-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftest: size: Add size test for Linux kernel
selftests/kcmp: Always try to build the test
selftests/kcmp: Don't include kernel headers
kcmp: Move kcmp.h into uapi
selftests/timers: change test to use ksft framework
selftests/kcmp: change test to use ksft framework
selftests/ipc: change test to use ksft framework
selftests/breakpoints: change test to use ksft framework
selftests: add kselftest framework for uniform test reporting
selftests/user: move test out of Makefile into a shell script
selftests/net: move test out of Makefile into a shell script
Merge second patchbomb from Andrew Morton:
- the rest of MM
- misc fs fixes
- add execveat() syscall
- new ratelimit feature for fault-injection
- decompressor updates
- ipc/ updates
- fallocate feature creep
- fsnotify cleanups
- a few other misc things
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (99 commits)
cgroups: Documentation: fix trivial typos and wrong paragraph numberings
parisc: percpu: update comments referring to __get_cpu_var
percpu: update local_ops.txt to reflect this_cpu operations
percpu: remove __get_cpu_var and __raw_get_cpu_var macros
fsnotify: remove destroy_list from fsnotify_mark
fsnotify: unify inode and mount marks handling
fallocate: create FAN_MODIFY and IN_MODIFY events
mm/cma: make kmemleak ignore CMA regions
slub: fix cpuset check in get_any_partial
slab: fix cpuset check in fallback_alloc
shmdt: use i_size_read() instead of ->i_size
ipc/shm.c: fix overly aggressive shmdt() when calls span multiple segments
ipc/msg: increase MSGMNI, remove scaling
ipc/sem.c: increase SEMMSL, SEMMNI, SEMOPM
ipc/sem.c: change memory barrier in sem_lock() to smp_rmb()
lib/decompress.c: consistency of compress formats for kernel image
decompress_bunzip2: off by one in get_next_block()
usr/Kconfig: make initrd compression algorithm selection not expert
fault-inject: add ratelimit option
ratelimit: add initialization macro
...
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6
Pull documentation update from Jonathan Corbet:
"Here's my set of accumulated documentation changes for 3.19.
It includes a couple of additions to the coding style document, some
fixes for minor build problems within the documentation tree, the
relocation of the kselftest docs, and various tweaks and additions.
A couple of changes reach outside of Documentation/; they only make
trivial comment changes and I did my best to get the required acks.
Complete with a shiny signed tag this time around"
* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6:
kobject: grammar fix
Input: xpad - update docs to reflect current state
Documentation: Build mic/mpssd only for x86_64
cgroups: Documentation: fix wrong cgroupfs paths
Documentation/email-clients.txt: add info about Claws Mail
CodingStyle: add some more error handling guidelines
kselftest: Move the docs to the Documentation dir
Documentation: fix formatting to make 's' happy
Documentation: power: Fix typo in Documentation/power
Documentation: vm: Add 1GB large page support information
ipv4: add kernel parameter tcpmhash_entries
Documentation: Fix a typo in mailbox.txt
treewide: Fix typo in Documentation/DocBook/device-drivers
CodingStyle: Add a chapter on conditional compilation
A security fix in caused the way the unprivileged remount tests were
using user namespaces to break. Tweak the way user namespaces are
being used so the test works again.
Cc: stable@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
o Fix handling the make kernelrelease change
o Fix make_min_config that was broken by new bisect_config changes
o Allow tests to undefine default options (not just being able to override
them)
o Print name of test (if defined) to start of test output
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Merge tag 'ktest-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest changes from Steven Rostedt:
"The following ktest updates were done:
- Fix handling the make kernelrelease change
- Fix make_min_config that was broken by new bisect_config changes
- Allow tests to undefine default options (not just being able to
override them)
- Print name of test (if defined) to start of test output"
* tag 'ktest-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest: Add back "tail -1" to kernelrelease make
ktest: Add name to running title
ktest: Allow tests to undefine default options
ktest: Fix make_min_config to handle new assign_configs call
ktest: Use make -s kernelrelease
o Added kprobes on ftrace testcase
o Sort test cases
o Add file to hold helper functions
o Use logfile name supported by busybox's mktemp
o Clear trace buffer after running kprobe test
o Fix show descriptions when run on dash shell
o Add --verbose option for showing echo output
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Merge tag 'ftracetest-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull ftrace self-test updates from Steven Rostedt:
"Updates for the ftrace self tests:
- Added kprobes on ftrace testcase
- Sort test cases
- Add file to hold helper functions
- Use logfile name supported by busybox's mktemp
- Clear trace buffer after running kprobe test
- Fix show descriptions when run on dash shell
- Add --verbose option for showing echo output"
* tag 'ftracetest-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftracetest: Add --verbose option for showing echo output
ftracetest: Fix to show descriptions on dash
ftracetest: Add basic event tracing test cases
ftracetest: Clear trace buffer after running kprobe testcases
ftracetest: Use logfile name supported by busybox's mktemp
ftracetest: Add a couple of ftrace test cases
ftracetest: Add functions file that holds helper functions
ftracetest: Sort testcases
ftracetest: Add kprobes on ftrace testcase
Add --verbose/-v option for showing echo output in testcases.
This is good for checking the progress of testcases which
take a longer time to run.
To implement this feature, all the testcase failures are
captured in ftracetest and send signal to set SIG_RESULT=FAIL.
Link: http://lkml.kernel.org/r/20141204194123.7376.22964.stgit@localhost.localdomain
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
The ftracetest doesn't show testcase's descriptions when
it is executed on dash. This fixes that to show the
descriptions on dash correctly by passing it via a variable
instead of directly passing the grep command output.
Link: http://lkml.kernel.org/r/20141204194116.7376.78940.stgit@localhost.localdomain
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This test shows the amount of memory used by the system.
Note that this is dependent on the user-space that is loaded
when this program runs. Optimally, this program would be
run as the init program itself.
The program is optimized for size itself, to avoid conflating
its own execution with that of the system software.
The code is compiled statically, with no stdlibs. On my x86_64 system,
this results in a statically linked binary of less than 5K.
Signed-off-by: Tim Bird <tim.bird@sonymobile.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Don't prevent the test building on non-x86. Just try and build it and
let the chips fall where they may.
Add support for CROSS_COMPILE while we're at it. Also we don't need a
custom rule for building kcmp_test.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
The kcmp test mucks with the include path to bring in the kernel
headers, and x86 headers too for reasons that are not clear.
Now that kcmp.h is exported none of that should be necessary.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
- MNT_NODEV should be irrelevant except when reading back mount flags,
no longer specify MNT_NODEV on remount.
- Test MNT_NODEV on devpts where it is meaningful even for unprivileged mounts.
- Add a test to verify that remount of a prexisting mount with the same flags
is allowed and does not change those flags.
- Cleanup up the definitions of MS_REC, MS_RELATIME, MS_STRICTATIME that are used
when the code is built in an environment without them.
- Correct the test error messages when tests fail. There were not 5 tests
that tested MS_RELATIME.
Cc: stable@vger.kernel.org
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Also, adjust the formatting a bit, and expand the section about using
TARGETS= on the make command line.
Signed-off-by: Tim Bird <tim.bird@sonymobile.com>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Commit 52d21580b3 "ktest: Use make -s kernelrelease" fixed commit
7ff525712a "kbuild: fake the "Entering directory ..." message more simply"
as that commit added output after the make kernelrelease. But there's still
some build scripts that are used by ktest that has output before the make
is executed, and requires that only the last line is printed.
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Instead of just showing the test type of test in the start of the
test, like this:
RUNNING TEST 1 of 26 with option build defconfig
Add the name (if it is defined) as well, like this:
RUNNING TEST 1 of 26 (arm64 aarch64-linux) with option build defconfig
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Tests can set options that override the default ones. But if a test
tries to undefine a default option, it is simply ignored and the
default option stays as is.
For example, if you want to have a test that defines no MIN_CONFIG
then the test should be able to do that with:
TEST_START
MIN_CONFIG =
Which should make MIN_CONFIG not defined for that test. But the way
the code currently works, undefined options in tests are dropped.
This is because the NULL options are evaluated during the reading of
the config file and since one can disable default options in the default
section with this method, it is evaluated there (the option turns to a
undef). But undef options in the test section mean to use the default
option.
To fix this, keep the empty string in the option during the reading
of the config file, and then evaluate it when running the test. This
will allow tests to null out default options.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Commit 6071c22e17 "ktest: Rewrite the config-bisect to actually work"
fixed the config-bisect to work nicely but in doing so it broke
make_min_config by changing the way assign_configs works.
The assign_configs function now adds the config to the hash even if
it is disabled, but changes the hash value to be that of the
line "# CONFIG_FOO is not set". Unfortunately, the make_min_config
test only checks to see if the config is removed. It now needs to
check if the config is in the hash and not set to be disabled.
Cc: stable@vger.kernel.org # 3.17+
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
The previous tail -1 broke with commit 7ff525712a ("kbuild: fake the
"Entering directory ..." message more simply")
Link: http://lkml.kernel.org/r/20141022194408.GA20989@pobox.suse.cz
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Linus Torvalds