On Thu, 6 Jun 2019 19:59:18 -0700
Andrii Nakryiko wrote:
> On Thu, Jun 6, 2019 at 1:17 PM Matt Mullins wrote:
> >
> > BPF_PROG_TYPE_RAW_TRACEPOINTs can be executed nested on the same CPU, as
> > they do not increment bpf_prog_active while executing.
> >
> > This enables three levels of nesting,
On Thu, Jun 6, 2019 at 1:17 PM Matt Mullins wrote:
>
> BPF_PROG_TYPE_RAW_TRACEPOINTs can be executed nested on the same CPU, as
> they do not increment bpf_prog_active while executing.
>
> This enables three levels of nesting, to support
> - a kprobe or raw tp or perf event,
> - another one
On Thu, 2019-06-06 at 15:13 -0700, Jakub Kicinski wrote:
> On Thu, 6 Jun 2019 11:54:27 -0700, Matt Mullins wrote:
> > BPF_PROG_TYPE_RAW_TRACEPOINTs can be executed nested on the same CPU, as
> > they do not increment bpf_prog_active while executing.
> >
> > This enables three levels of nesting,
On Thu, 6 Jun 2019 11:54:27 -0700, Matt Mullins wrote:
> BPF_PROG_TYPE_RAW_TRACEPOINTs can be executed nested on the same CPU, as
> they do not increment bpf_prog_active while executing.
>
> This enables three levels of nesting, to support
> - a kprobe or raw tp or perf event,
> - another one
BPF_PROG_TYPE_RAW_TRACEPOINTs can be executed nested on the same CPU, as
they do not increment bpf_prog_active while executing.
This enables three levels of nesting, to support
- a kprobe or raw tp or perf event,
- another one of the above that irq context happens to call, and
- another one
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