Re: [Xen-devel] [PATCH v2 03/12] x86/IRQ: avoid UB (or worse) in trace_irq_mask()

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.05.19 at 12:42, <george.dunlap@xxxxxxxxxx> wrote:
> On 5/8/19 2:07 PM, Jan Beulich wrote:
>> TBD: I wonder whether the function shouldn't gain an early tb_init_done
>>      check, like many other trace_*() have.
> 
> Yeah, avoiding these memcopies when tracing is not enabled seems like a
> good thing.

I've taken note to submit a respective follow-on patch.

> Either way:
> 
> Acked-by: George Dunlap <george.dunlap@xxxxxxxxxx>

Thanks, Jan



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