Re: [Qemu-devel] [PATCH 1/3] Change qemu_set_irq() to return status information.

[Gleb Natapov]

On Sun, Jun 29, 2008 at 03:38:10PM +0100, Paul Brook wrote:
> On Sunday 29 June 2008, Gleb Natapov wrote:
> > The return value is less then zero if interrupt is masked, zero if it
> > is known that interrupt is lost (due to coalescing) or greater then zero
> > if interrupt is delivered or was successfully queued for delivery by
> > interrupt controller. Device emulation can use this info as it pleases.
> > Included patch adds detection of interrupt coalescing into PIC and APIC
> > code for edge triggered interrupts.
> 
> This is woefully incomplete, and obviously hasn't been tested on anything 
> other than x86 targets.
> 
Yes, you are right. It was not tested on anything other than x86. Do you
see why this approach will not work on other architectures? Can you
elaborate on what current patch is missing for other architectures
support? The initial goal is to fix RTC/PIT problem on x86 while do not
hurt any other architectures in any way.

--
                        Gleb.