c967d3c ("rseq/selftests: Ensure the rseq ABI TLS is actually 1024
bytes")
Reported-by: Mark Brown
Signed-off-by: Michael Jeanson
Reviewed-by: Mathieu Desnoyers
---
tools/testing/selftests/rseq/rseq.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testin
On 2025-03-18 10:01, Mark Brown wrote:
On Tue, Mar 11, 2025 at 03:21:45PM -0400, Michael Jeanson wrote:
Adding the aligned(1024) attribute to the definition of __rseq_abi did
not increase its size to 1024, for this attribute to impact the size of
__rseq_abi it would need to be added to the
to
ensure registration will succeed with future extended ABI. Use a union
with a dummy member to ensure we allocate 1024 bytes.
Signed-off-by: Michael Jeanson
Reviewed-by: Mathieu Desnoyers
---
tools/testing/selftests/rseq/rseq.c | 21 -
1 file changed, 16 insertions(+), 5 deletion
[ Adding Mathieu Desnoyers in CC ]
On 2021-02-23 21 h 16, Steven Rostedt wrote:
On Thu, 18 Feb 2021 17:21:19 -0500
Michael Jeanson wrote:
This series only implements the tracepoint infrastructure required to
allow tracers to handle page faults. Modifying each tracer to handle
those page
Convert the definition of the system call enter/exit tracepoints to
faultable tracepoints now that all upstream tracers handle it.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
Cc: Alexei
all places where tracing is prohibited.
Signed-off-by: Mathieu Desnoyers
Cc: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
Cc: Alexei Starovoitov
Cc: Yonghong Song
Cc: Paul E. McKenney
Cc: Ingo Molnar
Cc: Arnaldo Carvalho de Melo
Cc: Mark Rutland
Cc: Alexander Shishkin
code.
This change does not yet allow ftrace to take page faults per se within
its probe, but allows its existing probes to connect to faultable
tracepoints.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter
.
This change does not yet allow perf to take page faults per se within
its probe, but allows its existing probes to connect to faultable
tracepoints.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
change does not yet allow bpf to take page faults per se within its
probe, but allows its existing probes to connect to faultable
tracepoints.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
Cc
synchronize read-side
marshalling of the registered probes with respect to faultable probes
unregistration and teardown.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
Cc: Alexei Starovoitov
Cc
.kernel.org
Mathieu Desnoyers (1):
tracing: use Tasks Trace RCU instead of SRCU for rcuidle tracepoints
Michael Jeanson (5):
tracing: introduce faultable tracepoints (v2)
tracing: ftrace: add support for faultable tracepoints
tracing: bpf-trace: add support for faultable tracepoints
synchronize read-side
marshalling of the registered probes with respect to sleepable probes
unregistration and teardown.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
Cc: Alexei Starovoitov
Cc
need to
ensure RCU is watching. Therefore, simply use sched-RCU like normal
tracepoints for rcuidle tracepoints.
Signed-off-by: Mathieu Desnoyers
Cc: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
Cc: Alexei Starovoitov
Cc: Yonghong Song
Cc: Paul E. McKenney
Cc: Ingo Molnar
Convert the definition of the system call enter/exit tracepoints to
sleepable tracepoints now that all upstream tracers handle it.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
Cc: Alexei
change does not yet allow bpf to take page faults per se within its
probe, but allows its existing probes to connect to sleepable
tracepoints.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
Cc
SRCU for rcuidle tracepoints
Michael Jeanson (5):
tracing: introduce sleepable tracepoints
tracing: ftrace: add support for sleepable tracepoints
tracing: bpf-trace: add support for sleepable tracepoints
tracing: perf: add support for sleepable tracepoints
tracing: convert sys_enter/exit to
.
This change does not yet allow perf to take page faults per se within
its probe, but allows its existing probes to connect to sleepable
tracepoints.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter Zijlstra
code.
This change does not yet allow ftrace to take page faults per se within
its probe, but allows its existing probes to connect to sleepable
tracepoints.
Co-developed-by: Mathieu Desnoyers
Signed-off-by: Mathieu Desnoyers
Signed-off-by: Michael Jeanson
Cc: Steven Rostedt (VMware)
Cc: Peter
On 2020-09-23 14 h 46, David Ahern wrote:
On 9/23/20 11:03 AM, Michael Jeanson wrote:
On 2020-09-23 12 h 04, Michael Jeanson wrote:
It should work without asymmetric routing; adding the return route to
the second vrf as I mentioned above fixes the FRAG_NEEDED problem. It
should work for TTL as
On 2020-09-23 12 h 04, Michael Jeanson wrote:
It should work without asymmetric routing; adding the return route to
the second vrf as I mentioned above fixes the FRAG_NEEDED problem. It
should work for TTL as well.
Adding a second pass on the tests with the return through r2 is fine,
but add a
On 2020-09-22 21 h 59, David Ahern wrote:
On 9/22/20 7:52 AM, Michael Jeanson wrote:
the test setup is bad. You have r1 dropping the MTU in VRF red, but not
telling VRF red how to send back the ICMP. e.g., for IPv4 add:
ip -netns r1 ro add vrf red 172.16.1.0/24 dev blue
do the same for
- On 21 Sep, 2020, at 15:33, Mathieu Desnoyers
mathieu.desnoy...@efficios.com wrote:
> - On Sep 21, 2020, at 3:11 PM, David Ahern dsah...@gmail.com wrote:
>
>> On 9/21/20 12:44 PM, Mathieu Desnoyers wrote:
>>> - On Sep 21, 2020, at 2:36 PM, David Ahern dsah...@gmail.com wrote:
>>>
>
- On 13 Aug, 2020, at 19:13, David Ahern dsah...@gmail.com wrote:
...
>> +ipv6_ping()
>> +{
>> +log_section "IPv6: VRF ICMP error route lookup ping"
>> +
>> +setup
>> +
>> +# verify connectivity
>> +if ! check_connectivity6; then
>> +echo "Error: Basic connectivity
check that a ttl expired error is received.
[This may be flaky, I'm open to suggestions of a more robust approch.]
The second test runs traceroute from h1 to h2 and parses the output to
check for a hop on r1.
Signed-off-by: Michael Jeanson
Cc: David Ahern
Cc: David S. Miller
Cc
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