Nicholas Piggin <npig...@gmail.com> writes: > Excerpts from Segher Boessenkool's message of June 17, 2021 9:37 am: >> On Tue, Jun 15, 2021 at 09:05:27AM +1000, Paul Mackerras wrote: >>> This ensures that we don't get a decrementer interrupt arriving before >>> we have set up a handler for it. >> >> Maybe add a comment saying this is setting MSR[EE]=0 for that? Or do >> other bits here matter as well? > > Hmm, it actually clears MSR[RI] as well. > > __hard_irq_disable() is what we want here, unless the MSR[RI] clearing > is required as well, in which case there is __hard_EE_RI_disable().
But neither of those exist in the boot wrapper (yet). cheers
