On Tue, Apr 16, 2024 at 7:11 AM Benjamin Tissoires wrote:
[...]
> +SEC("?tc")
> +__log_level(2)
> +__failure
> +/* check that the first argument of bpf_wq_set_callback()
> + * is a correct bpf_wq pointer.
> + */
> +__msg("mark_precise: frame0: regs=r1 stack= before")
This line and some other "ma
On Wed, Jan 31, 2024 at 6:19 AM Marco Elver wrote:
>
[...]
>
> Signed-off-by: Marco Elver
> ---
> include/linux/bpf_local_storage.h | 17 -
> kernel/bpf/bpf_local_storage.c | 14 --
> .../selftests/bpf/progs/cgrp_ls_recursion.c | 2
On Thu, Jan 18, 2024 at 4:14 PM Kyle Huey wrote:
>
Acked-by: Song Liu
with a couple nitpicks below.
[...]
> +int sigio_count, sigtrap_count;
> +
> +static void handle_sigio(int sig __always_unused)
> +{
> + ++sigio_count;
> +}
> +
> +static void handle_sigtrap
On Tue, Jan 9, 2024 at 1:57 AM Alessandro Carminati (Red Hat)
wrote:
>
> Some aarch64 systems running a PREEMPT_RT patched kernel, needs
> more time to complete the test.
> This change mirrors:
> commit ba83af059153 ("Improve stability of find_vma BPF test")
> addressing similar requirements and a
On Sun, Dec 10, 2023 at 8:56 PM Kyle Huey wrote:
>
> The test sets a hardware breakpoint and uses a bpf program to suppress the
> side effects of a perf event sample, including I/O availability signals,
> SIGTRAPs, and decrementing the event counter limit, if the ip matches the
> expected value. T
Hi Akihiko,
On Tue, Dec 12, 2023 at 12:05 AM Akihiko Odaki wrote:
>
[...]
> ---
>
> I'm working on a new feature that aids virtio-net implementations using
> tuntap virtual network device. You can see [1] for details, but
> basically it's to extend BPF_PROG_TYPE_SOCKET_FILTER to report four more
On Sun, Dec 10, 2023 at 9:04 PM Akihiko Odaki wrote:
>
[...]
> >
> > I don't think we can provide stability guarantees before seeing something
> > being used in the field. How do we know it will be useful forever? If a
> > couple years later, there is only one person using it somewhere in the
> >
On Sat, Dec 9, 2023 at 11:03 PM Akihiko Odaki wrote:
>
> On 2023/11/22 14:36, Akihiko Odaki wrote:
> > On 2023/11/22 14:25, Song Liu wrote:
[...]
>
> Now the discussion is stale again so let me summarize the discussion:
>
> A tuntap device can have an eBPF steering prog
On Mon, Nov 20, 2023 at 12:05 AM Akihiko Odaki wrote:
>
> On 2023/11/20 6:02, Song Liu wrote:
[...]
> >> In contrast, our intended use case is more like a normal application.
> >> So, for example, a user may download a container and run QEMU (including
> >>
On Sun, Nov 19, 2023 at 12:03 AM Akihiko Odaki wrote:
>
[...]
>
> Unfortunately no. The communication with the userspace can be done with
> two different means:
> - usual socket read/write
> - vhost for direct interaction with a KVM guest
>
> The BPF map may be a valid option for socket read/write
Hi,
A few rookie questions below.
On Sat, Nov 18, 2023 at 2:39 AM Akihiko Odaki wrote:
>
> On 2023/10/18 4:19, Akihiko Odaki wrote:
> > On 2023/10/18 4:03, Alexei Starovoitov wrote:
[...]
> >
> > I would also appreciate if you have some documentation or link to
> > relevant discussions on the ma
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