On Wed, 2017-09-06 at 12:29 -0700, Stefano Stabellini wrote: > On Wed, 6 Sep 2017, Dario Faggioli wrote: > > > > Or, in general, make sense out of the fact that the stack pointer > > register changes in such a way that, when we get back in > > do_softirq(), > > what's in the stack in the place where there was the 'cpu' local > > variable has (at least in some circumstances) changed? > > I think yes, it could cause the smp_processor_id() mismatch. > Ok, then the patch was wrong (sorry again), and should stay reverted.
I still find the comment very confusing (if correct at all), and I'll probably send a new patch to improve it. Thanks and Regards, Dario -- <<This happens because I choose it to happen!>> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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