Add a test case for regression in openvswitch nat that was fixed by
commit e6345d2824a3 ("netfilter: nf_nat: fix action not being set for
all ct states").
Link: https://lore.kernel.org/netdev/20231221224311.130319-1-b...@faucet.nz/
Link:
Hi Eric,
On 1/26/24 18:25, Eric Auger wrote:
Hi Shaoqin,
On 1/16/24 07:01, Shaoqin Huang wrote:
The test is inspired by the pmu_event_filter_test which implemented by x86. On
the arm64 platform, there is the same ability to set the pmu_event_filter
through the KVM_ARM_VCPU_PMU_V3_FILTER
Add an overall explanation of the driver architecture, and complete and precise
specification for its intended behaviour.
Signed-off-by: Elizabeth Figura
---
Documentation/userspace-api/index.rst | 1 +
Documentation/userspace-api/ntsync.rst | 390 +
2 files changed,
This corresponds to the NT syscall NtPulseEvent().
This wakes up any waiters as if the event had been set, but does not set the
event, instead resetting it if it had been signalled. Thus, for a manual-reset
event, all waiters are woken, whereas for an auto-reset event, at most one
waiter is
Add myself as maintainer, supported by CodeWeavers.
Signed-off-by: Elizabeth Figura
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8d1052fa6a69..7924127d351b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15585,6 +15585,15 @@ T:
NT waits can optionally be made "alertable". This is a special channel for
thread wakeup that is mildly similar to SIGIO. A thread has an internal single
bit of "alerted" state, and if a thread is made alerted while an alertable wait,
the wait will return a special value, consume the "alerted"
Expand the contended wait tests, which previously only covered events and
semaphores, to cover events as well.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 151 +-
1 file changed, 147 insertions(+), 4 deletions(-)
diff --git
This corresponds to the NT syscall NtCreateMutant().
An NT mutex is recursive, with a 32-bit recursion counter. When acquired via
NtWaitForMultipleObjects(), the recursion counter is incremented by one.
The OS records the thread which acquired it. However, in order to keep this
driver
This corresponds to the NT syscall NtQueryEvent().
This returns the signaled state of the event and whether it is manual-reset.
Signed-off-by: Elizabeth Figura
---
drivers/misc/ntsync.c | 21 +
include/uapi/linux/ntsync.h | 1 +
2 files changed, 22 insertions(+)
This corresponds to the NT syscall NtCreateSemaphore().
Semaphores are one of three types of object to be implemented in this driver,
the others being mutexes and events.
An NT semaphore contains a 32-bit counter, and is signaled and can be acquired
when the counter is nonzero. The counter has a
Wine has tests for its synchronization primitives, but these are more accessible
to kernel developers, and also allow us to test some edge cases that Wine does
not care about.
This patch adds tests for semaphore-specific ioctls NTSYNC_IOC_SEM_POST and
NTSYNC_IOC_SEM_READ, and waiting on
This correspond to the NT syscall NtCreateEvent().
An NT event holds a single bit of state denoting whether it is signaled or
unsignaled.
There are two types of events: manual-reset and automatic-reset. When an
automatic-reset event is acquired via a wait function, its state is reset to
Expand the alert tests to cover alerting a thread mid-wait, to test that the
relevant scheduling logic works correctly.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 62 +++
1 file changed, 62 insertions(+)
diff --git
Test the "alert" functionality of NTSYNC_IOC_WAIT_ALL and NTSYNC_IOC_WAIT_ANY,
when a wait is woken with an alert and when it is woken by an object.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 179 +-
1 file changed, 176 insertions(+), 3
This corresponds to the NT syscall NtQuerySemaphore().
This returns the current count and maximum count of the semaphore.
Signed-off-by: Elizabeth Figura
---
drivers/misc/ntsync.c | 21 +
include/uapi/linux/ntsync.h | 1 +
2 files changed, 22 insertions(+)
diff
This corresponds to the NT syscall NtQueryMutant().
This returns the recursion count, owner, and abandoned state of the mutex.
Signed-off-by: Elizabeth Figura
---
drivers/misc/ntsync.c | 23 +++
include/uapi/linux/ntsync.h | 1 +
2 files changed, 24 insertions(+)
This corresponds to the NT syscall NtReleaseMutant().
This syscall decrements the mutex's recursion count by one, and returns the
previous value. If the mutex is not owned by the given owner ID, the function
instead fails and returns -EPERM.
Signed-off-by: Elizabeth Figura
---
Test mutex-specific ioctls NTSYNC_IOC_MUTEX_UNLOCK and NTSYNC_IOC_MUTEX_READ,
and waiting on mutexes.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 181 ++
1 file changed, 181 insertions(+)
diff --git
This does not correspond to any NT syscall. Rather, when a thread dies, it
should be called by the NT emulator for each mutex.
NT mutexes are robust (in the pthread sense). When an NT thread dies, any
mutexes it owned are immediately released. Acquisition of those mutexes by other
threads will
Test contended "wait-for-any" waits, to make sure that scheduling and wakeup
logic works correctly.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 152 ++
1 file changed, 152 insertions(+)
diff --git
Test event-specific ioctls NTSYNC_IOC_EVENT_SET, NTSYNC_IOC_EVENT_RESET,
NTSYNC_IOC_EVENT_PULSE, NTSYNC_IOC_EVENT_READ for auto-reset events, and
waiting on auto-reset events.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 59 +++
1 file
Test event-specific ioctls NTSYNC_IOC_EVENT_SET, NTSYNC_IOC_EVENT_RESET,
NTSYNC_IOC_EVENT_PULSE, NTSYNC_IOC_EVENT_READ for manual-reset events, and
waiting on manual-reset events.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 89 +++
1 file
This is similar to NTSYNC_IOC_WAIT_ANY, but waits until all of the objects are
simultaneously signaled, and then acquires all of them as a single atomic
operation.
Signed-off-by: Elizabeth Figura
---
drivers/misc/ntsync.c | 244 ++--
This corresponds to part of the functionality of the NT syscall
NtWaitForMultipleObjects(). Specifically, it implements the behaviour where
the third argument (wait_any) is TRUE, and it does not handle alertable waits.
Those features have been split out into separate patches to ease review.
This corresponds to the NT syscall NtReleaseSemaphore().
This increases the semaphore's internal counter by the given value, and returns
the previous value. If the counter would overflow the defined maximum, the
function instead fails and returns -EOVERFLOW.
Signed-off-by: Elizabeth Figura
---
Test basic synchronous functionality of NTSYNC_IOC_WAIT_ALL, and when objects
are considered simultaneously signaled.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 99 ++-
1 file changed, 97 insertions(+), 2 deletions(-)
diff --git
This corresponds to the NT syscall NtSetEvent().
This sets the event to the signaled state, and returns its previous state.
Signed-off-by: Elizabeth Figura
---
drivers/misc/ntsync.c | 37 +
include/uapi/linux/ntsync.h | 1 +
2 files changed, 38
Test contended "wait-for-all" waits, to make sure that scheduling and wakeup
logic works correctly, and that the wait only exits once objects are all
simultaneously signaled.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 98 +++
1 file
ntsync uses a misc device as the simplest and least intrusive uAPI interface.
Each file description on the device represents an isolated NT instance, intended
to correspond to a single NT virtual machine.
Signed-off-by: Elizabeth Figura
---
drivers/misc/Kconfig | 9
This patch series introduces a new char misc driver, /dev/ntsync, which is used
to implement Windows NT synchronization primitives.
== Background ==
The Wine project emulates the Windows API in user space. One particular part of
that API, namely the NT synchronization primitives, have
Test basic synchronous functionality of NTSYNC_IOC_WAIT_ANY, when objects are
considered signaled or not signaled, and how they are affected by a successful
wait.
Signed-off-by: Elizabeth Figura
---
.../testing/selftests/drivers/ntsync/ntsync.c | 105 ++
1 file changed, 105
This corresponds to the NT syscall NtResetEvent().
This sets the event to the unsignaled state, and returns its previous state.
Signed-off-by: Elizabeth Figura
---
drivers/misc/ntsync.c | 22 ++
include/uapi/linux/ntsync.h | 1 +
2 files changed, 23 insertions(+)
On Mon, 29 Jan 2024 14:37:03 +0200 Ido Schimmel wrote:
> One of the test cases in the test_bridge_backup_port.sh selftest relies
> on a matchall classifier to drop unrelated traffic so that the Tx drop
> counter on the VXLAN device will only be incremented as a result of
> traffic generated by the
On Fri, 26 Jan 2024 21:31:51 -0500 Willem de Bruijn wrote:
> From: Willem de Bruijn
>
> The test sends packets and compares enqueue, transmit and Ack
> timestamps with expected values. It installs netem delays to increase
> latency between these points.
>
> The test proves flaky in virtual
On Tue, 30 Jan 2024 19:41:10 +0100 Paolo Abeni wrote:
> > Yes, it's VM inside a VM without nested virtualization support.
> > A weird setup, granted, but when we move to bare metal I'd like
> > to enable KASAN, which will probably cause a similar slowdown..
> >
> > You could possibly get a
Define mmap on riscv to not provide an address that uses more bits than
the hint address, if provided.
Signed-off-by: Charlie Jenkins
---
Documentation/arch/riscv/vm-layout.rst | 16 +---
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git
The behavior of mmap on riscv is defined to not provide an address that
uses more bits than the hint address, if provided. Make the tests
reflect that.
Signed-off-by: Charlie Jenkins
---
tools/testing/selftests/riscv/mm/mmap_bottomup.c | 23 +
On riscv it is guaranteed that the address returned by mmap is less than
the hint address. Allow mmap to return an address all the way up to
addr, if provided, rather than just up to the lower address space.
This provides a performance benefit as well, allowing mmap to exit after
checking that
test cases
- Add support for rv32
- Change cover letter name so it's not the same as patch 1
- Link to v2:
https://lore.kernel.org/r/20240130-use_mmap_hint_address-v2-0-f34ebfd33...@rivosinc.com
Changes in v2:
- Add back forgotten "mmap_end = STACK_TOP_MAX"
- Link to v1:
https://lore.
The pull request you sent on Tue, 30 Jan 2024 15:31:00 -0700:
> git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
> tags/linux_kselftest-kunit-fixes-6.8-rc3
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/2a6526c4f389bb741e511be11721b3d1cbf1034a
The pull request you sent on Tue, 30 Jan 2024 14:48:43 -0700:
> git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
> tags/linux_kselftest-fixes-6.8-rc3
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/d1d873a9bfac44a9a455d2ec47b85ea66f7888b9
Thank
Hi Linus,
Please pull the following KUnit fixes update for Linux 6.8-rc3.
This kunit fixes update for Linux 6.8-rc3 consists of NULL vs IS_ERR()
bug fixes, documentation update, MAINTAINERS file update to add
Rae Moar as a reviewer, and a fix to run test suites only after module
initialization
Hi Charlie,
kernel test robot noticed the following build errors:
[auto build test ERROR on 556e2d17cae620d549c5474b1ece053430cd50bc]
url:
https://github.com/intel-lab-lkp/linux/commits/Charlie-Jenkins/riscv-mm-Use-hint-address-in-mmap-if-available/20240130-084208
base
On Tue, Jan 30, 2024 at 05:04:55PM -0500, Stefan O'Rear wrote:
> On Mon, Jan 29, 2024, at 9:13 PM, Charlie Jenkins wrote:
> > On Mon, Jan 29, 2024 at 09:04:50PM -0500, Stefan O'Rear wrote:
> >> On Mon, Jan 29, 2024, at 7:36 PM, Charlie Jenkins wrote:
> >> > On riscv, mmap currently returns an
On Mon, Jan 29, 2024, at 9:13 PM, Charlie Jenkins wrote:
> On Mon, Jan 29, 2024 at 09:04:50PM -0500, Stefan O'Rear wrote:
>> On Mon, Jan 29, 2024, at 7:36 PM, Charlie Jenkins wrote:
>> > On riscv, mmap currently returns an address from the largest address
>> > space that can fit entirely inside of
On Wed, Jan 31, 2024 at 03:15:16AM +0800, Yangyu Chen wrote:
> On Tue, 2024-01-30 at 11:04 -0800, Charlie Jenkins wrote:
> > On riscv it is guaranteed that the address returned by mmap is less
> > than
> > the hint address. Allow mmap to return an address all the way up to
> > addr, if provided,
Hi Linus,
Please pull the following kselftest fixes update for Linux 6.8-rc3.
This kselftest fixes update for Linux 6.8-rc3 consists of three
fixes to livepatch, rseq, and seccomp tests.
diff is attached
thanks,
-- Shuah
The
Hi Charlie,
kernel test robot noticed the following build errors:
[auto build test ERROR on 556e2d17cae620d549c5474b1ece053430cd50bc]
url:
https://github.com/intel-lab-lkp/linux/commits/Charlie-Jenkins/riscv-mm-Use-hint-address-in-mmap-if-available/20240130-084208
base
kselftest/fixes kselftest-lkdtm: 2 runs, 1 regressions
(v6.8-rc1-4-gb54761f6e9773)
Regressions Summary
---
platform| arch | lab | compiler | defconfig
| regressions
kselftest/fixes kselftest-lib: 4 runs, 2 regressions (v6.8-rc1-4-gb54761f6e9773)
Regressions Summary
---
platform | arch | lab | compiler | defconfig
| regressions
kselftest/fixes kselftest-seccomp: 3 runs, 1 regressions
(v6.8-rc1-4-gb54761f6e9773)
Regressions Summary
---
platform | arch | lab | compiler | defconfig
| regressions
kselftest/fixes kselftest-cpufreq: 4 runs, 2 regressions
(v6.8-rc1-4-gb54761f6e9773)
Regressions Summary
---
platform | arch | lab | compiler | defconfig
| regressions
On Tue, Jan 30, 2024 at 06:47:18PM +0100, Paolo Abeni wrote:
> When running the pmtu.sh via the kselftest infra, accessing
> /dev/stdout gives unexpected results:
> # dd: failed to open '/dev/stdout': Device or resource busy
> # TEST: IPv4, bridged vxlan4: PMTU exceptions
On Tue, Jan 30, 2024 at 06:47:17PM +0100, Paolo Abeni wrote:
> The pmtu.sh test tries to detect the tunnel protocols available
> in the running kernel and properly skip the unsupported cases.
>
> In a few more complex setup, such detection is unsuccessful, as
> the script currently ignores some
On Tue, Jan 30, 2024 at 06:47:16PM +0100, Paolo Abeni wrote:
> The mentioned test uses a few Kconfig still missing the
> net config, add them.
>
> Before:
> # Error: Specified qdisc kind is unknown.
> # Error: Specified qdisc kind is unknown.
> # Error: Qdisc not classful.
> # We have an
On Tue, 2024-01-30 at 11:04 -0800, Charlie Jenkins wrote:
> On riscv it is guaranteed that the address returned by mmap is less
> than
> the hint address. Allow mmap to return an address all the way up to
> addr, if provided, rather than just up to the lower address space.
>
> This provides a
On 1/30/24 10:47 AM, Paolo Abeni wrote:
> This series try to address CI failures for the pmtu.sh tests. It
> does _not_ attempt to enable all the currently skipped cases, to
> avoid adding more entropy.
>
> Tested with:
>
> make -C tools/testing/selftests/ TARGETS=net install
> vng --build
Define mmap on riscv to not provide an address that uses more bits than
the hint address, if provided.
Signed-off-by: Charlie Jenkins
---
Documentation/arch/riscv/vm-layout.rst | 16 +---
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git
The behavior of mmap on riscv is defined to not provide an address that
uses more bits than the hint address, if provided. Make the tests
reflect that.
Signed-off-by: Charlie Jenkins
---
tools/testing/selftests/riscv/mm/mmap_bottomup.c | 20 +
tools/testing/selftests/riscv/mm/mmap_default.c
On riscv, mmap currently returns an address from the largest address
space that can fit entirely inside of the hint address. This makes it
such that the hint address is almost never returned. This patch raises
the mappable area up to and including the hint address. This allows mmap
to often return
On riscv it is guaranteed that the address returned by mmap is less than
the hint address. Allow mmap to return an address all the way up to
addr, if provided, rather than just up to the lower address space.
This provides a performance benefit as well, allowing mmap to exit after
checking that
kselftest/fixes build: 5 builds: 2 failed, 3 passed, 2 errors, 5 warnings
(v6.8-rc1-4-gb54761f6e9773)
Full Build Summary:
https://kernelci.org/build/kselftest/branch/fixes/kernel/v6.8-rc1-4-gb54761f6e9773/
Tree: kselftest
Branch: fixes
Git Describe: v6.8-rc1-4-gb54761f6e9773
Git Commit:
On Tue, Jan 30, 2024 at 10:37:15AM -0800, Nhat Pham wrote:
> On Mon, Jan 29, 2024 at 5:02 PM Yosry Ahmed wrote:
> >
> > On Mon, Jan 29, 2024 at 02:45:40PM -0800, Nhat Pham wrote:
> > > Make it easier for contributors to find the zswap maintainers when they
> > > update the zswap tests.
> > >
> >
On Tue, Jan 30, 2024 at 10:31:24AM -0800, Nhat Pham wrote:
> On Mon, Jan 29, 2024 at 5:24 PM Yosry Ahmed wrote:
> >
[..]
> > > -static int allocate_bytes(const char *cgroup, void *arg)
> > > +static int allocate_bytes_and_read(const char *cgroup, void *arg, bool
> > > read)
> > > {
> > >
On Mon, 2024-01-29 at 08:39 -0800, Jakub Kicinski wrote:
> On Mon, 29 Jan 2024 17:31:33 +0100 Paolo Abeni wrote:
> > Uhm... while the self-test doesn't emit anymore the message related to
> > the missing modules, it still fails in the CI env and I can't reproduce
> > the failures in my local env
On Mon, Jan 29, 2024 at 5:02 PM Yosry Ahmed wrote:
>
> On Mon, Jan 29, 2024 at 02:45:40PM -0800, Nhat Pham wrote:
> > Make it easier for contributors to find the zswap maintainers when they
> > update the zswap tests.
> >
> > Signed-off-by: Nhat Pham
>
> I guess I had to check the zswap tests at
On Mon, Jan 29, 2024 at 5:24 PM Yosry Ahmed wrote:
>
> On Mon, Jan 29, 2024 at 02:45:42PM -0800, Nhat Pham wrote:
> > We recently encountered a kernel crash on the zswapin path in our
> > internal kernel, which went undetected because of a lack of test
> > coverage for this path. Add a selftest
When running the pmtu.sh via the kselftest infra, accessing
/dev/stdout gives unexpected results:
# dd: failed to open '/dev/stdout': Device or resource busy
# TEST: IPv4, bridged vxlan4: PMTU exceptions [FAIL]
Let dd use directly the standard output to fix the above:
The pmtu.sh test tries to detect the tunnel protocols available
in the running kernel and properly skip the unsupported cases.
In a few more complex setup, such detection is unsuccessful, as
the script currently ignores some intermediate error code at
setup time.
Before:
# which: no nettest in
The mentioned test uses a few Kconfig still missing the
net config, add them.
Before:
# Error: Specified qdisc kind is unknown.
# Error: Specified qdisc kind is unknown.
# Error: Qdisc not classful.
# We have an error talking to the kernel
# Error: Qdisc not classful.
# We have an
This series try to address CI failures for the pmtu.sh tests. It
does _not_ attempt to enable all the currently skipped cases, to
avoid adding more entropy.
Tested with:
make -C tools/testing/selftests/ TARGETS=net install
vng --build --config tools/testing/selftests/net/config
vng --run .
On Fri, Jan 26, 2024 at 09:33:03PM -0500, Willem de Bruijn wrote:
> From: Willem de Bruijn
>
> This test validates per-band packet limits in FQ. Packets are dropped
> rather than enqueued if the limit for their band is reached.
>
> This test is timing sensitive. It queues packets in FQ with a
On Fri, Jan 26, 2024 at 09:31:51PM -0500, Willem de Bruijn wrote:
> From: Willem de Bruijn
>
> The test sends packets and compares enqueue, transmit and Ack
> timestamps with expected values. It installs netem delays to increase
> latency between these points.
>
> The test proves flaky in
On Mon, Jan 29, 2024 at 04:45:02PM -0800, Stephen Boyd wrote:
> Call this function unconditionally so that we can populate an empty DTB
> on platforms that don't boot with a firmware provided or builtin DTB.
>
> Cc: Rob Herring
> Cc: Frank Rowand
> Cc: Thomas Gleixner
> Cc: Ingo Molnar
> Cc:
l2_tos_ttl_inherit.sh verifies the inheritance of tos and ttl
for GRETAP, VXLAN and GENEVE.
Before testing it checks if the required module is available
and if not skips the tests accordingly.
Currently only GRETAP and VXLAN are tested because the GENEVE
module is missing.
Signed-off-by: Matthias
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