On 6/18/19 12:32 AM, Jan Kiszka wrote: > Thus, we can avoid disabling interrupts again in cr4_set/clear_bits.
Seems reasonable. Your *_irqsoff() variants need lockdep_assert_irqs_disabled(), at least, though. Can you talk a bit about the motivation here, though? Did you encounter some performance issue that led you to make this patch, or was it simply an improvement you realized you could make from code inspection?
