On 07/10/2012 04:01 PM, Gleb Natapov wrote:
> On Tue, Jul 10, 2012 at 03:50:39PM +0300, Avi Kivity wrote:
> > On 07/10/2012 01:48 PM, Gleb Natapov wrote:
> > > > > >
> > > > > But the code is already here, why drop it?
> > > >
> > > > The read cache is not effective for multiple disjunct reads.
On Tue, Jul 10, 2012 at 03:50:39PM +0300, Avi Kivity wrote:
> On 07/10/2012 01:48 PM, Gleb Natapov wrote:
> > > > >
> > > > But the code is already here, why drop it?
> > >
> > > The read cache is not effective for multiple disjunct reads.
> > What do you mean?
>
> If an instruction reads from
On 07/10/2012 01:48 PM, Gleb Natapov wrote:
> > > >
> > > But the code is already here, why drop it?
> >
> > The read cache is not effective for multiple disjunct reads.
> What do you mean?
If an instruction reads from several sources in mmio, then the first
read will be flushed from the cache
On Tue, Jul 10, 2012 at 01:45:15PM +0300, Avi Kivity wrote:
> On 07/10/2012 01:36 PM, Gleb Natapov wrote:
> > On Mon, Jul 09, 2012 at 04:34:50PM +0300, Avi Kivity wrote:
> > > On 07/09/2012 04:23 PM, Xiao Guangrong wrote:
> > > > On 07/09/2012 08:49 PM, Avi Kivity wrote:
> > > >> On 07/09/2012
On 07/10/2012 01:36 PM, Gleb Natapov wrote:
> On Mon, Jul 09, 2012 at 04:34:50PM +0300, Avi Kivity wrote:
> > On 07/09/2012 04:23 PM, Xiao Guangrong wrote:
> > > On 07/09/2012 08:49 PM, Avi Kivity wrote:
> > >> On 07/09/2012 02:23 PM, Gleb Natapov wrote:
> > >>>
> > kvm-unit-tests.git has a
On Mon, Jul 09, 2012 at 04:34:50PM +0300, Avi Kivity wrote:
> On 07/09/2012 04:23 PM, Xiao Guangrong wrote:
> > On 07/09/2012 08:49 PM, Avi Kivity wrote:
> >> On 07/09/2012 02:23 PM, Gleb Natapov wrote:
> >>>
> kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
>
>
On Mon, Jul 09, 2012 at 04:34:50PM +0300, Avi Kivity wrote:
On 07/09/2012 04:23 PM, Xiao Guangrong wrote:
On 07/09/2012 08:49 PM, Avi Kivity wrote:
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
I agree this code has to
On 07/10/2012 01:36 PM, Gleb Natapov wrote:
On Mon, Jul 09, 2012 at 04:34:50PM +0300, Avi Kivity wrote:
On 07/09/2012 04:23 PM, Xiao Guangrong wrote:
On 07/09/2012 08:49 PM, Avi Kivity wrote:
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
kvm-unit-tests.git has a test for xchg to mmio.
On Tue, Jul 10, 2012 at 01:45:15PM +0300, Avi Kivity wrote:
On 07/10/2012 01:36 PM, Gleb Natapov wrote:
On Mon, Jul 09, 2012 at 04:34:50PM +0300, Avi Kivity wrote:
On 07/09/2012 04:23 PM, Xiao Guangrong wrote:
On 07/09/2012 08:49 PM, Avi Kivity wrote:
On 07/09/2012 02:23 PM, Gleb
On 07/10/2012 01:48 PM, Gleb Natapov wrote:
But the code is already here, why drop it?
The read cache is not effective for multiple disjunct reads.
What do you mean?
If an instruction reads from several sources in mmio, then the first
read will be flushed from the cache by the
On Tue, Jul 10, 2012 at 03:50:39PM +0300, Avi Kivity wrote:
On 07/10/2012 01:48 PM, Gleb Natapov wrote:
But the code is already here, why drop it?
The read cache is not effective for multiple disjunct reads.
What do you mean?
If an instruction reads from several sources in
On 07/10/2012 04:01 PM, Gleb Natapov wrote:
On Tue, Jul 10, 2012 at 03:50:39PM +0300, Avi Kivity wrote:
On 07/10/2012 01:48 PM, Gleb Natapov wrote:
But the code is already here, why drop it?
The read cache is not effective for multiple disjunct reads.
What do you mean?
On 07/09/2012 04:23 PM, Xiao Guangrong wrote:
> On 07/09/2012 08:49 PM, Avi Kivity wrote:
>> On 07/09/2012 02:23 PM, Gleb Natapov wrote:
>>>
kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
I agree this code has to go, but it needs to be replaced by something.
On Mon, Jul 09, 2012 at 09:23:03PM +0800, Xiao Guangrong wrote:
> On 07/09/2012 08:49 PM, Avi Kivity wrote:
> > On 07/09/2012 02:23 PM, Gleb Natapov wrote:
> >>
> >>> kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
> >>>
> >>> I agree this code has to go, but it needs to be
On Mon, Jul 09, 2012 at 03:49:05PM +0300, Avi Kivity wrote:
> On 07/09/2012 02:23 PM, Gleb Natapov wrote:
> >
> >> kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
> >>
> >> I agree this code has to go, but it needs to be replaced by something.
> >> Maybe a .valid flag in
On 07/09/2012 08:49 PM, Avi Kivity wrote:
> On 07/09/2012 02:23 PM, Gleb Natapov wrote:
>>
>>> kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
>>>
>>> I agree this code has to go, but it needs to be replaced by something.
>>> Maybe a .valid flag in struct operand.
>>>
>> Valid
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
>
>> kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
>>
>> I agree this code has to go, but it needs to be replaced by something.
>> Maybe a .valid flag in struct operand.
>>
> Valid will not enough for that.
If we make
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
>
>> kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
>>
>> I agree this code has to go, but it needs to be replaced by something.
>> Maybe a .valid flag in struct operand.
>>
> Valid will not enough for that.
If me make
On Mon, Jul 09, 2012 at 02:15:37PM +0300, Avi Kivity wrote:
> On 07/09/2012 12:02 PM, Xiao Guangrong wrote:
> > After commit f78146b0f9230765c6315b2e14f56112513389ad:
> >
> > KVM: Fix page-crossing MMIO
> >
> > MMIO that are split across a page boundary are currently broken - the
> >
On 07/09/2012 12:02 PM, Xiao Guangrong wrote:
> After commit f78146b0f9230765c6315b2e14f56112513389ad:
>
> KVM: Fix page-crossing MMIO
>
> MMIO that are split across a page boundary are currently broken - the
> code does not expect to be aborted by the exit to userspace for the
>
After commit f78146b0f9230765c6315b2e14f56112513389ad:
KVM: Fix page-crossing MMIO
MMIO that are split across a page boundary are currently broken - the
code does not expect to be aborted by the exit to userspace for the
first MMIO fragment.
This patch fixes the problem by
After commit f78146b0f9230765c6315b2e14f56112513389ad:
KVM: Fix page-crossing MMIO
MMIO that are split across a page boundary are currently broken - the
code does not expect to be aborted by the exit to userspace for the
first MMIO fragment.
This patch fixes the problem by
On 07/09/2012 12:02 PM, Xiao Guangrong wrote:
After commit f78146b0f9230765c6315b2e14f56112513389ad:
KVM: Fix page-crossing MMIO
MMIO that are split across a page boundary are currently broken - the
code does not expect to be aborted by the exit to userspace for the
first
On Mon, Jul 09, 2012 at 02:15:37PM +0300, Avi Kivity wrote:
On 07/09/2012 12:02 PM, Xiao Guangrong wrote:
After commit f78146b0f9230765c6315b2e14f56112513389ad:
KVM: Fix page-crossing MMIO
MMIO that are split across a page boundary are currently broken - the
code does not
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
I agree this code has to go, but it needs to be replaced by something.
Maybe a .valid flag in struct operand.
Valid will not enough for that.
If me make everything go through
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
I agree this code has to go, but it needs to be replaced by something.
Maybe a .valid flag in struct operand.
Valid will not enough for that.
If we make everything go through
On 07/09/2012 08:49 PM, Avi Kivity wrote:
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
I agree this code has to go, but it needs to be replaced by something.
Maybe a .valid flag in struct operand.
Valid will not enough for
On Mon, Jul 09, 2012 at 03:49:05PM +0300, Avi Kivity wrote:
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
I agree this code has to go, but it needs to be replaced by something.
Maybe a .valid flag in struct operand.
On Mon, Jul 09, 2012 at 09:23:03PM +0800, Xiao Guangrong wrote:
On 07/09/2012 08:49 PM, Avi Kivity wrote:
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
I agree this code has to go, but it needs to be replaced by
On 07/09/2012 04:23 PM, Xiao Guangrong wrote:
On 07/09/2012 08:49 PM, Avi Kivity wrote:
On 07/09/2012 02:23 PM, Gleb Natapov wrote:
kvm-unit-tests.git has a test for xchg to mmio. Does it still work?
I agree this code has to go, but it needs to be replaced by something.
Maybe a .valid flag
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