| Commit message (Collapse) | Author | Age | Files | Lines |
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Currently, selftest for userfaultfd is compiled three times: for
anonymous, shared and hugetlb memory. Let's combine all the cases into a
single executable which will have a command line option for selection of
the test type.
Link: http://lkml.kernel.org/r/1490869741-5913-1-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Setup a dax_device to have the same lifetime as the pmem block device
and add a ->direct_access() method that is equivalent to
pmem_direct_access(). Once fs/dax.c has been converted to use
dax_operations the old pmem_direct_access() will be removed.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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We want dax capable drivers to be able to publish a set of dax
operations [1]. However, we do not want to further abuse block_devices
to advertise these operations. Instead we will attach these operations
to a dax device and add a lookup mechanism to go from block device path
to a dax device. A dax capable driver like pmem or brd is responsible
for registering a dax device, alongside a block device, and then a dax
capable filesystem is responsible for retrieving the dax device by path
name if it wants to call dax_operations.
For now, we refactor the dax pseudo-fs to be a generic facility, rather
than an implementation detail, of the device-dax use case. Where a "dax
device" is just an inode + dax infrastructure, and "Device DAX" is a
mapping service layered on top of that base 'struct dax_device'.
"Filesystem DAX" is then a mapping service that layers a filesystem on
top of that same base device. Filesystem DAX is associated with a
block_device for now, but perhaps directly to a dax device in the
future, or for new pmem-only filesystems.
[1]: https://lkml.org/lkml/2017/1/19/880
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The workqueue may still be running when the devres callbacks start
firing to deallocate an acpi_nfit_desc instance. Stop and flush the
workqueue before letting any other devres de-allocations proceed.
Reported-by: Linda Knippers <linda.knippers@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Keep the nfit_test instances alive until after nfit_test_teardown(), as
we may be doing resource lookups until the final un-registrations have
completed. This fixes crashes of the form.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000038
IP: __release_resource+0x12/0x90
Call Trace:
remove_resource+0x23/0x40
__wrap_remove_resource+0x29/0x30 [nfit_test_iomap]
acpi_nfit_remove_resource+0xe/0x10 [nfit]
devm_action_release+0xf/0x20
release_nodes+0x16d/0x2b0
devres_release_all+0x3c/0x60
device_release+0x21/0x90
kobject_release+0x6a/0x170
kobject_put+0x2f/0x60
put_device+0x17/0x20
platform_device_unregister+0x20/0x30
nfit_test_exit+0x36/0x960 [nfit_test]
Reported-by: Linda Knippers <linda.knippers@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Add a simulated dimm with an ACPI_NFIT_MEM_MAP_FAILED indication, and
set the ACPI_NFIT_MEM_HEALTH_ENABLED flag on all the dimms where
nfit_test simulates health events, but spread it out over several
redundant memdev entries to test that the nfit driver coalesces all the
flags.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Provide a replacement pgoff_to_phys() that translates an nfit_test
resource (allocated by vmalloc()) to a pfn.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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gpio test creates executables, object files, and include directory
under selftests directory. Enhance clean target to remove all files
it generates.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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gpio test generates files in selftests directory. Add them to .gitignore.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add override for lib.mk clean to fix the following warnings from clean
target run.
Makefile:63: warning: overriding recipe for target 'clean'
../lib.mk:55: warning: ignoring old recipe for target 'clean'
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add override for lib.mk clean to fix the following warnings from clean
target run.
Makefile:11: warning: overriding recipe for target 'clean'
../lib.mk:55: warning: ignoring old recipe for target 'clean'
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add override for lib.mk clean to fix the following warnings from clean
target run.
Makefile:36: warning: overriding recipe for target 'clean'
../lib.mk:55: warning: ignoring old recipe for target 'clean'
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Define CLEAN macro to allow Makefiles to override common clean target
in lib.mk. This will help fix the following failures:
warning: overriding recipe for target 'clean'
../lib.mk:55: warning: ignoring old recipe for target 'clean'
Fixes: 88baa78d1f31 ("selftests: remove duplicated all and clean target")
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
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splice clean target removes the shell script default_file_splice_read.sh
that runs the splice test. Fix it to not remove this file.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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The gpio test requires to insert the gpio mockup module (CONFIG_GPIO_MOCKUP).
The gpio mockup driver depends on gpiolib (CONFIG_GPIOLIB).
CONFIG_GPIO_SYSFS is selected automatically by the gpio mockup driver.
Tested on x86_64 and arm64 with defconfig and kselftest-merge.
Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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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>
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`selftests/Makefile` is defining only `install` as entire PHONY target
though there are few more PHONY targets including `run_tests`. This
commit defines them as the PHONY targets.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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A comment in `run_vmtests` is wrong because it is saying `128MB + 128MB
== 258MB`. This commit fixes the comment.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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A comment for make command usage in `selftets/Makefile` has opening `"`
but no closing `"`. This commit adds the missed `"` in the comment.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Few currently running test notification messages from run_vmtests output
have mismatched highlight lines. This commit fixes them to fit in
length.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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trivial fix to spelling mistake in printed message.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Man page of mmap() says that portable applications should ensure fd
argument to be -1 if MAP_ANONYMOUS flag is set as below:
```
The mapping is not backed by any file; its contents are initialized to
zero. The fd and offset arguments are ignored; however, some
implementations require fd to be -1 if MAP_ANONYMOUS (or
MAP_ANON) is specified, and portable applications
should ensure this.
```
However, few mmap() calls under selftests/vm/ uses 0 as fd though they
use MAP_ANONYMOUS flag. This commit changes the argument to be -1 as
recommended.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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The use of $$OUTPUT in the target shell commands resulted in an empty
string followed by an absolute path for which mkdir failed:
$ make -C tools/testing/selftests/futex
make: Entering directory '/home/dvhart/source/linux/linux-pdx86/tools/testing/selftests/futex'
Makefile:36: warning: overriding recipe for target 'clean'
../lib.mk:55: warning: ignoring old recipe for target 'clean'
for DIR in functional; do \
BUILD_TARGET=$OUTPUT/$DIR; \
mkdir $BUILD_TARGET -p; \
make OUTPUT=$BUILD_TARGET -C $DIR all;\
done
mkdir: cannot create directory ‘/functional’: Permission denied
Replace $$OUTPUT with $(OUTPUT) when referring to the Makefile OUTPUT
variable. The above make command now completes successfully.
Fixes: a8ba798bc8ec ("selftests: enable O and KBUILD_OUTPUT")
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Cc: linux-kselftest@vger.kernel.org
Cc: bamvor.zhangjian@huawei.com
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Fix to compare a zero-filled hexadecimal value with a part of
string of long hexadecimal value.
In check_types(), the last part of testcase compares with
the hex value formatted by "%x" with a part of a string of
long hex value (trimmed by tail -c and head -c). However,
if that part of long hex value contains zero (e.g. "05" of
"a3082059"), printf generated value (e.g. "5") is diffrent
string, and the test case failed.
To fix this, pass "%02x" instead of "%x" to printf.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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vm tests rely on shared memory settings. Enable system V IPC to run these
tests.
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>
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ftrace/kprobe tests require kprobes events. Enable kprobes to run these
tests.
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>
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test_bitmap, test_printf and prime_numbers are expected to be built as
modules.
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>
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Use the param flag for that.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Add a new flag for passing test-specific parameters.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Previous commit ("virtio: add context flag to find vqs")
added a new 'context' flag to vring_new_virtqueue(), but the
corresponding API in tools/virtio/ is not updated causing
build errors due to conflicting declarations.
Bring code in tools/virtio in sync with that in kernel.
I have used 'false' for the value of the new boolean 'context'
flag as that seems to be the best way to preserve existing
behavior.
Tested with:
$ make -C tools/virtio clean all ARCH=x86
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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There is an || vs && typo so the assert can never be triggered.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
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Since when we got rid of usbfs, the /proc/bus/usb is now
elsewhere. Fix references for it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The commit 0775a9cbc694e8c72 ("usbip: vhci extension: modifications
to vhci driver") introduced multiple controllers, and nports as a sys
file, and claimed to read the nports from it, but it didn't.
In addition, the get_nports() has been so wrong that even with 8 port
lines for instance, it gets 7 (I am guessing it is due to a '\n' mess).
Nevertheless, we fix it by reading the nports attribute.
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Yuyang Du <yuyang.du@intel.com>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This resolves a merge issue in the gadget code, and we want the USB
fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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GCC 7 now warns when switch statements fall through implicitly, and with
-Werror enabled in configure.ac, that makes these tools unbuildable.
We fix this by notifying the compiler that this particular case statement
is meant to fall through.
Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Jonathan Dieter <jdieter@lesbg.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The usbip userspace tools call sprintf()/snprintf() and don't check for
the return value which can lead the paths to overflow, truncating the
final file in the path.
More urgently, GCC 7 now warns that these aren't checked with
-Wformat-overflow, and with -Werror enabled in configure.ac, that makes
these tools unbuildable.
This patch fixes these problems by replacing sprintf() with snprintf() in
one place and adding checks for the return value of snprintf().
Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Jonathan Dieter <jdieter@lesbg.com>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add .gitignore file for untracked files in tools/usb.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add column '%Total' next to 'Total' for easier comparison of numbers between
hosts.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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Provide an interactive command to reset the tracepoint statistics.
Requires some extra work for debugfs, as the counters cannot be reset.
On the up side, this offers us the opportunity to have debugfs values
reset on startup and whenever a filter is modified, becoming consistent
with the tracepoint provider. As a bonus, 'kvmstat -dt' will now provide
useful output, instead of mixing values in totally different orders of
magnitude.
Furthermore, we avoid unnecessary resets when any of the filters is
"changed" interactively to the previous value.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Acked-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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Provide a real simple way to erase any active filter.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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Add a new option '-g'/'--guest' to select a particular process by providing
the QEMU guest name.
Notes:
- The logic to figure out the pid corresponding to the guest name might look
scary, but works pretty reliably in practice; in the unlikely event that it
returns add'l flukes, it will bail out and hint at using '-p' instead, no
harm done.
- Mixing '-g' and '-p' is possible, and the final instance specified on the
command line is the significant one. This is consistent with current
behavior for '-p' which, if specified multiple times, also regards the final
instance as the significant one.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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Behavior on empty/0 input for regex and pid filtering was inconsistent, as
the former would keep the current filter, while the latter would (naturally)
remove any pid filtering.
Make things consistent by falling back to the default filter on empty input
for the regex filter dialogue.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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If a user defines a regex filter through the interactive command, display
the active regex in the header's second line.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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