On 27 August 2015 at 13:25, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell wrote:
On 27 August 2015 at 13:17, Michael S. Tsirkin m...@redhat.com wrote:
Basically the point is that ABI is extended to make
ioeventfd with len = 0 mean any
On Thu, Aug 27, 2015 at 01:27:54PM +0100, Peter Maydell wrote:
On 27 August 2015 at 13:25, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell wrote:
On 27 August 2015 at 13:17, Michael S. Tsirkin m...@redhat.com wrote:
Basically the point is
On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell wrote:
On 27 August 2015 at 13:17, Michael S. Tsirkin m...@redhat.com 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
On Thu, 27 Aug 2015 15:30:55 +0300
Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 01:27:54PM +0100, Peter Maydell wrote:
On 27 August 2015 at 13:25, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 01:20:52PM +0100, Peter Maydell wrote:
On 27 August
On 08/27/2015 09:10 PM, Greg Kurz wrote:
On Thu, 27 Aug 2015 15:30:55 +0300
Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 01:27:54PM +0100, Peter Maydell wrote:
On 27 August 2015 at 13:25, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 01:20:52PM
On 27 August 2015 at 05:50, Jason Wang jasow...@redhat.com wrote:
On 08/26/2015 10:51 PM, Greg Kurz wrote:
On Wed, 26 Aug 2015 15:21:59 +0100
Peter Maydell peter.mayd...@linaro.org wrote:
This seems to me like a bug in the caller. Why would anything
try to call into the memory subsystem to do
On 27 August 2015 at 11:53, Michael S. Tsirkin m...@redhat.com 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
On Thu, Aug 27, 2015 at 11:49:32AM +0100, Peter Maydell wrote:
On 27 August 2015 at 05:50, Jason Wang jasow...@redhat.com wrote:
On 08/26/2015 10:51 PM, Greg Kurz wrote:
On Wed, 26 Aug 2015 15:21:59 +0100
Peter Maydell peter.mayd...@linaro.org wrote:
This seems to me like a bug in the
On Thu, Aug 27, 2015 at 12:04:49PM +0100, Peter Maydell wrote:
On 27 August 2015 at 11:53, Michael S. Tsirkin m...@redhat.com 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
On 27 August 2015 at 12:08, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 12:04:49PM +0100, Peter Maydell wrote:
On 27 August 2015 at 11:53, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 11:49:32AM +0100, Peter Maydell wrote:
But *why* does it require
On Thu, Aug 27, 2015 at 01:12:32PM +0100, Peter Maydell wrote:
On 27 August 2015 at 12:08, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at 12:04:49PM +0100, Peter Maydell wrote:
On 27 August 2015 at 11:53, Michael S. Tsirkin m...@redhat.com wrote:
On Thu, Aug 27, 2015 at
On 27 August 2015 at 13:17, Michael S. Tsirkin m...@redhat.com 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
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 gk...@linux.vnet.ibm.com
Cc: Paolo Bonzini pbonz...@redhat.com
Signed-off-by: Jason Wang jasow...@redhat.com
---
memory.c | 1 +
1 file
On 26 August 2015 at 11:04, Jason Wang jasow...@redhat.com 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 gk...@linux.vnet.ibm.com
Cc: Paolo Bonzini pbonz...@redhat.com
On Wed, 26 Aug 2015 15:21:59 +0100
Peter Maydell peter.mayd...@linaro.org wrote:
On 26 August 2015 at 11:04, Jason Wang jasow...@redhat.com 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.
On 08/26/2015 10:51 PM, Greg Kurz wrote:
On Wed, 26 Aug 2015 15:21:59 +0100
Peter Maydell peter.mayd...@linaro.org wrote:
On 26 August 2015 at 11:04, Jason Wang jasow...@redhat.com wrote:
Wildcard mmio eventfd use zero size, but it will lead abort() since it
was illegal in
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