On 08/27/2015 09:10 PM, Greg Kurz wrote:
> On Thu, 27 Aug 2015 15:30:55 +0300
> "Michael S. Tsirkin" wrote:
>
>> On Thu, Aug 27, 2015 at 01:27:54PM +0100, Peter Maydell wrote:
>>> On 27 August 2015 at 13:25, Michael S. Tsirkin wrote:
On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell
On Thu, 27 Aug 2015 15:30:55 +0300
"Michael S. Tsirkin" wrote:
> On Thu, Aug 27, 2015 at 01:27:54PM +0100, Peter Maydell wrote:
> > On 27 August 2015 at 13:25, Michael S. Tsirkin wrote:
> > > On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell wrote:
> > >> On 27 August 2015 at 13:17, Michae
On Thu, Aug 27, 2015 at 01:27:54PM +0100, Peter Maydell wrote:
> On 27 August 2015 at 13:25, Michael S. Tsirkin wrote:
> > On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell wrote:
> >> On 27 August 2015 at 13:17, Michael S. Tsirkin wrote:
> >> > Basically the point is that ABI is extended t
On 27 August 2015 at 13:25, Michael S. Tsirkin wrote:
> On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell wrote:
>> On 27 August 2015 at 13:17, Michael S. Tsirkin wrote:
>> > Basically the point is that ABI is extended to make
>> > ioeventfd with len = 0 mean "any length".
>> > 0 is thus no
On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell wrote:
> On 27 August 2015 at 13:17, Michael S. Tsirkin wrote:
> > Basically the point is that ABI is extended to make
> > ioeventfd with len = 0 mean "any length".
> > 0 is thus not meaningless anymore.
>
> But how can you do adjustment for
On 27 August 2015 at 13:17, Michael S. Tsirkin wrote:
> Basically the point is that ABI is extended to make
> ioeventfd with len = 0 mean "any length".
> 0 is thus not meaningless anymore.
But how can you do adjustment for incorrect endianness
if you don't know the size of the data that you're
tr
On Thu, Aug 27, 2015 at 01:12:32PM +0100, Peter Maydell wrote:
> On 27 August 2015 at 12:08, Michael S. Tsirkin wrote:
> > On Thu, Aug 27, 2015 at 12:04:49PM +0100, Peter Maydell wrote:
> >> On 27 August 2015 at 11:53, Michael S. Tsirkin wrote:
> >> > On Thu, Aug 27, 2015 at 11:49:32AM +0100, Pet
On 27 August 2015 at 12:08, Michael S. Tsirkin wrote:
> On Thu, Aug 27, 2015 at 12:04:49PM +0100, Peter Maydell wrote:
>> On 27 August 2015 at 11:53, Michael S. Tsirkin wrote:
>> > On Thu, Aug 27, 2015 at 11:49:32AM +0100, Peter Maydell wrote:
>> >> But *why* does it require the size to be zero?
On Thu, Aug 27, 2015 at 12:04:49PM +0100, Peter Maydell wrote:
> On 27 August 2015 at 11:53, Michael S. Tsirkin wrote:
> > On Thu, Aug 27, 2015 at 11:49:32AM +0100, Peter Maydell wrote:
> >> But *why* does it require the size to be zero? I still think
> >> the caller should just avoid trying to do
On 27 August 2015 at 11:53, Michael S. Tsirkin wrote:
> On Thu, Aug 27, 2015 at 11:49:32AM +0100, Peter Maydell wrote:
>> But *why* does it require the size to be zero? I still think
>> the caller should just avoid trying to do zero-size memory
>> operations: they don't make sense. What is a zero
On Thu, Aug 27, 2015 at 11:49:32AM +0100, Peter Maydell wrote:
> On 27 August 2015 at 05:50, Jason Wang wrote:
> > On 08/26/2015 10:51 PM, Greg Kurz wrote:
> >> On Wed, 26 Aug 2015 15:21:59 +0100
> >> Peter Maydell wrote:
> >>> This seems to me like a bug in the caller. Why would anything
> >>> t
On 27 August 2015 at 05:50, Jason Wang wrote:
> On 08/26/2015 10:51 PM, Greg Kurz wrote:
>> On Wed, 26 Aug 2015 15:21:59 +0100
>> Peter Maydell wrote:
>>> This seems to me like a bug in the caller. Why would anything
>>> try to call into the memory subsystem to do a zero-size
>>> transaction?
>>
On 08/26/2015 10:51 PM, Greg Kurz wrote:
> On Wed, 26 Aug 2015 15:21:59 +0100
> Peter Maydell wrote:
>
>> On 26 August 2015 at 11:04, Jason Wang wrote:
>>> Wildcard mmio eventfd use zero size, but it will lead abort() since it
>>> was illegal in adjust_endianness(). Fix this by allowing zero si
On Wed, 26 Aug 2015 15:21:59 +0100
Peter Maydell wrote:
> On 26 August 2015 at 11:04, Jason Wang wrote:
> > Wildcard mmio eventfd use zero size, but it will lead abort() since it
> > was illegal in adjust_endianness(). Fix this by allowing zero size.
> >
> > Cc: Greg Kurz
> > Cc: Paolo Bonzini
On 26 August 2015 at 11:04, Jason Wang wrote:
> Wildcard mmio eventfd use zero size, but it will lead abort() since it
> was illegal in adjust_endianness(). Fix this by allowing zero size.
>
> Cc: Greg Kurz
> Cc: Paolo Bonzini
> Signed-off-by: Jason Wang
This seems to me like a bug in the call
Wildcard mmio eventfd use zero size, but it will lead abort() since it
was illegal in adjust_endianness(). Fix this by allowing zero size.
Cc: Greg Kurz
Cc: Paolo Bonzini
Signed-off-by: Jason Wang
---
memory.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/memory.c b/memory.c
index 4eb138
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