On Tue, Jan 17, 2023 at 01:24:46PM +0900, Masami Hiramatsu wrote:
> Hi Peter,
>
> On Thu, 12 Jan 2023 20:43:49 +0100
> Peter Zijlstra wrote:
>
> > Robot reported that trace_hardirqs_{on,off}() tickle the forbidden
> > _rcuidle() tracepoint through local_irq_{en,dis}able().
> >
> > For 'sane' co
Hi Peter,
On Thu, 12 Jan 2023 20:43:49 +0100
Peter Zijlstra wrote:
> Robot reported that trace_hardirqs_{on,off}() tickle the forbidden
> _rcuidle() tracepoint through local_irq_{en,dis}able().
>
> For 'sane' configs, these calls will only happen with RCU enabled and
> as such can use the regul
Robot reported that trace_hardirqs_{on,off}() tickle the forbidden
_rcuidle() tracepoint through local_irq_{en,dis}able().
For 'sane' configs, these calls will only happen with RCU enabled and
as such can use the regular tracepoint. This also means it's possible
to trace them from NMI context agai
