On 11/03, Oleg Nesterov wrote: > > On 11/03, Andy Lutomirski wrote: > > > > And do we ever have TF set during a context switch? I hope not. > > I too hope. > > > Also, what's with 'jmp exit_intr' at the end of retint_kernel? Why > > isn't that 'jmp retint_kernel'? > > Even better, why not "jmp retint_restore_args" ? > > preempt_schedule_irq() checks need_resched() and returns with irqs > disabled, not need to to recheck test_preempt_need_resched() ?
Btw, why retint_kernel() checks "interrupts on" ? It seems to me that that "interrupts off" is not possible, no? And this will be more clear when we remove the "exit_intr" label. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
