On Sun, 2011-12-11 at 14:47 +0200, Michael S. Tsirkin wrote:
> First, I'd like to answer your questions from the PCI side.
> Look for PCI rules in the PCI spec.
> You will notices that a write is required to be able to
> pass a read request. It might also pass read completion.
> A read request will
On Sun, 2011-12-11 at 14:30 +0200, Michael S. Tsirkin wrote:
> On Sun, Dec 11, 2011 at 12:03:52PM +0200, Sasha Levin wrote:
> > On Sun, 2011-12-11 at 11:05 +0200, Avi Kivity wrote:
> > > mmios are strictly ordered.
> > >
> > > Perhaps your printfs are reordered by buffering? Are they from
> > > d
On Thu, Dec 08, 2011 at 05:37:37PM +0200, Sasha Levin wrote:
> On Thu, 2011-12-08 at 20:52 +1030, Rusty Russell wrote:
> > Here's the patch series I ended up with. I haven't coded up the QEMU
> > side yet, so no idea if the new driver works.
> >
> > Questions:
> > (1) Do we win from separating IS
On Sun, Dec 11, 2011 at 12:03:52PM +0200, Sasha Levin wrote:
> On Sun, 2011-12-11 at 11:05 +0200, Avi Kivity wrote:
> > mmios are strictly ordered.
> >
> > Perhaps your printfs are reordered by buffering? Are they from
> > different threads? Are you using coalesced mmio (which is still
> > stric
On Sun, 2011-12-11 at 11:05 +0200, Avi Kivity wrote:
> mmios are strictly ordered.
>
> Perhaps your printfs are reordered by buffering? Are they from
> different threads? Are you using coalesced mmio (which is still
> strictly ordered, if used correctly)?
I print the queue_selector and queue_a
On 12/08/2011 05:37 PM, Sasha Levin wrote:
> On Thu, 2011-12-08 at 20:52 +1030, Rusty Russell wrote:
> > Here's the patch series I ended up with. I haven't coded up the QEMU
> > side yet, so no idea if the new driver works.
> >
> > Questions:
> > (1) Do we win from separating ISR, NOTIFY and COMM
On Fri, 2011-12-09 at 16:47 +1030, Rusty Russell wrote:
> On Thu, 08 Dec 2011 17:37:37 +0200, Sasha Levin
> wrote:
> > Which leads me to the question: Are MMIO vs MMIO reads/writes not
> > ordered?
>
> That seems really odd, especially being repeatable.
Happens every single time. Can't be a coi
On Thu, 08 Dec 2011 17:37:37 +0200, Sasha Levin wrote:
> Which leads me to the question: Are MMIO vs MMIO reads/writes not
> ordered?
That seems really odd, especially being repeatable.
BTW, that's an address, not a pfn now.
Cheers,
Rusty.
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On Thu, 2011-12-08 at 20:52 +1030, Rusty Russell wrote:
> Here's the patch series I ended up with. I haven't coded up the QEMU
> side yet, so no idea if the new driver works.
>
> Questions:
> (1) Do we win from separating ISR, NOTIFY and COMMON?
> (2) I used a "u8 bar"; should I use a bir and pac
Rusty, I can't find the actual patches, could you verify that they were
indeed sent?
On Thu, 2011-12-08 at 20:52 +1030, Rusty Russell wrote:
> Here's the patch series I ended up with. I haven't coded up the QEMU
> side yet, so no idea if the new driver works.
>
> Questions:
> (1) Do we win from
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