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Date:   Fri, 21 Jul 2023 18:22:35 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     Steven Rostedt <rostedt@goodmis.org>
Cc:     Alexander Lobakin <aleksander.lobakin@intel.com>,
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Subject: Re: [PATCH] tracing: Have all levels of checks prevent recursion
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On Fri, 21 Jul 2023 12:26:32 -0400 Steven Rostedt wrote:
> > if (!(in_hardirq() || irqs_disabled()))
> >   
> 
> Yeah, probably.
> 
> > , 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.