On Mon, Nov 16, 2020 at 10:43:40AM -0800, Jakub Kicinski wrote:
> On Mon, 16 Nov 2020 10:37:49 -0800 Martin KaFai Lau wrote:
> > On Mon, Nov 16, 2020 at 10:00:04AM -0800, Jakub Kicinski wrote:
> > > Locks that can run in any context but preempt disabled or softirq
> > > disabled?
> > Not exactly.
On Mon, 16 Nov 2020 10:37:49 -0800 Martin KaFai Lau wrote:
> On Mon, Nov 16, 2020 at 10:00:04AM -0800, Jakub Kicinski wrote:
> > Locks that can run in any context but preempt disabled or softirq
> > disabled?
> Not exactly. e.g. running from irq won't work.
>
> > Let me cut to the chase. Are you
On Mon, Nov 16, 2020 at 10:00:04AM -0800, Jakub Kicinski wrote:
> On Mon, 16 Nov 2020 09:37:34 -0800 Martin KaFai Lau wrote:
> > On Sat, Nov 14, 2020 at 05:17:20PM -0800, Jakub Kicinski wrote:
> > > On Thu, 12 Nov 2020 13:13:13 -0800 Martin KaFai Lau wrote:
> > > > This patch adds bpf_sk_storage_
On Mon, 16 Nov 2020 10:00:04 -0800 Jakub Kicinski wrote:
> irq_count()
Umpf. I meant (in_irq() || in_nmi()), don't care about sirq.
On Mon, 16 Nov 2020 09:37:34 -0800 Martin KaFai Lau wrote:
> On Sat, Nov 14, 2020 at 05:17:20PM -0800, Jakub Kicinski wrote:
> > On Thu, 12 Nov 2020 13:13:13 -0800 Martin KaFai Lau wrote:
> > > This patch adds bpf_sk_storage_get_tracing_proto and
> > > bpf_sk_storage_delete_tracing_proto. They w
On Sat, Nov 14, 2020 at 05:17:20PM -0800, Jakub Kicinski wrote:
> On Thu, 12 Nov 2020 13:13:13 -0800 Martin KaFai Lau wrote:
> > This patch adds bpf_sk_storage_get_tracing_proto and
> > bpf_sk_storage_delete_tracing_proto. They will check
> > in runtime that the helpers can only be called when ser
On Thu, 12 Nov 2020 13:13:13 -0800 Martin KaFai Lau wrote:
> This patch adds bpf_sk_storage_get_tracing_proto and
> bpf_sk_storage_delete_tracing_proto. They will check
> in runtime that the helpers can only be called when serving
> softirq or running in a task context. That should enable
> most
This patch enables the FENTRY/FEXIT/RAW_TP tracing program to use
the bpf_sk_storage_(get|delete) helper, so those tracing programs
can access the sk's bpf_local_storage and the later selftest
will show some examples.
The bpf_sk_storage is currently used in bpf-tcp-cc, tc,
cg sockops...etc which i
