Re: [Qemu-devel] question about irq update

2012-06-15 Thread Zhi Hui Li
On 2012年06月15日 17:04, Paolo Bonzini wrote: It just forces libqtest to read any pending events. Ok, Thank you very much! :)

Re: [Qemu-devel] question about irq update

2012-06-15 Thread Paolo Bonzini
Il 15/06/2012 10:42, Zhi Hui Li ha scritto: > > bool qtest_get_irq(QTestState *s, int num) > { > /* dummy operation in order to make sure irq is up to date */ > qtest_inb(s, 0); > > return s->irq_level[num]; > } > > but I don't know how it can make the irq up to date > and why we wil

[Qemu-devel] question about irq update

2012-06-15 Thread Zhi Hui Li
In the code of libqtest.c have a function : bool qtest_get_irq(QTestState *s, int num) { /* dummy operation in order to make sure irq is up to date */ qtest_inb(s, 0); return s->irq_level[num]; } but I don't know how it can make the irq up to date and why we will read from the a