Re: [PATCH] tracing: Have all levels of checks prevent recursion
- From
- Jakub Kicinski <kuba@kernel.org>
- Date
- 2023-07-22 01:22:42
- Also in
- linux-riscv, linuxppc-dev, lkml
- Reply to
- Steven Rostedt, 2023-07-21
On Fri, 21 Jul 2023 12:26:32 -0400 Steven Rostedt wrote:
quoted
if (!(in_hardirq() || irqs_disabled()))Yeah, probably.quoted
, nothing more elegant / already existing / ...?It's not a common check. What would you call that?
Looks like Olek started the weekend already so let me answer.
He's trying to check if we can use a fast path cache which takes
a _bh spin lock.