Re: [Qemu-devel] [PATCH v2] Use ctz64 in favor of ffsll

[Paul Brook]

On Thursday 02 July 2009, Jan Kiszka wrote:
> Not all host platforms support ffsll.

>-            pending_irq = i * 64 + bit - 1;
>+            bit = ctz64(env->interrupt_bitmap[i]);
>+            pending_irq = i * 64 + bit;

Are we sure there is only ever one bit set in interrupt_bitmap?
If not does it mater that we're processing them in reverse order?

Paul