On Aug 22, 2014, at 7:13 AM, Wanpeng Li wanpeng...@linux.intel.com wrote:
Hi Paolo,
On Thu, Aug 21, 2014 at 01:56:46PM +0200, Paolo Bonzini wrote:
Il 21/08/2014 10:05, Wanpeng Li ha scritto:
Hi Nadav,
On Wed, Aug 20, 2014 at 03:11:51PM +0300, Nadav Amit wrote:
Currently, when an msr is
On 08/22/2014 10:30 AM, Zhang Haoyu wrote:
Hi, Krishna, Shirley
How got get the latest patch of M:N Implementation of mulitiqueue,
I am going to test the the combination of M:N Implementation of mulitiqueue
and vhost: add polling mode.
Thanks,
Zhang Haoyu
Just FYI. You may refer
Il 22/08/2014 01:30, Wanpeng Li ha scritto:
Maybe I misunderstand your comments On real hardware you could point
the virtual-APIC page to an invalid address.
http://lists.openwall.net/linux-kernel/2014/08/07/344
That referred to an address that doesn't correspond to RAM. You can use
On Fri, Aug 22, 2014 at 10:36:07AM +0200, Paolo Bonzini wrote:
Il 22/08/2014 01:30, Wanpeng Li ha scritto:
Maybe I misunderstand your comments On real hardware you could point
the virtual-APIC page to an invalid address.
http://lists.openwall.net/linux-kernel/2014/08/07/344
That referred to
Il 22/08/2014 06:33, Valentine Sinitsyn ha scritto:
On 22.08.2014 02:31, Paolo Bonzini wrote:
VMX used the right access size already, the tests are separate for VMX
and SVM.
Sure. So the bug is NPT-specific?
Looks like that, yes.
Paolo
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Hide functionality related to discovering Linux platform device resources
in separate callback functions. This will allow us to implement AMBA support
while reusing a lot of the code.
Signed-off-by: Antonios Motakis a.mota...@virtualopensystems.com
---
drivers/vfio/platform/vfio_platform.c
As already demonstrated with PCI [1] and the platform bus [2], a
driver_override property in sysfs can be used to bypass the id matching
of a device to a AMBA driver. This can be used by VFIO to bind to any AMBA
device requested by the user.
[1]
This patch series depends on the VFIO for PLATFORM devices patch series,
and implements AMBA device support for VFIO.
This can be used for example with the PL330 DMA Controller, which is an
AMBA device and not a proper platform device. By using the VFIO AMBA driver
introduced here, one can bind
Add support for discovering AMBA devices with VFIO and handle them
similarly to Linux platform devices.
Signed-off-by: Antonios Motakis a.mota...@virtualopensystems.com
---
drivers/vfio/platform/vfio_amba.c | 129 ++
1 file changed, 129 insertions(+)
create
Having decoupled a portion of the VFIO_PLATFORM code from platform bus
specific resource discovery code, we can now move that code separate file.
This will allow us to implement discovering AMBA devices and their resources,
but reuse the a large part of the VFIO_PLATFORM implementation.
Enable building the VFIO AMBA driver. VFIO_AMBA depends on VFIO_PLATFORM,
since it is sharing a portion of the code, and it is essentially implemented
as a platform device whose resources are discovered via AMBA specific APIs
in the kernel.
Signed-off-by: Antonios Motakis
Results:
Netperf, 1 vm:
The polling patch improved throughput by ~33% (1516 MB/sec - 2046 MB/sec).
Number of exits/sec decreased 6x.
The same improvement was shown when I tested with 3 vms running netperf
(4086 MB/sec - 5545 MB/sec).
filebench, 1 vm:
ops/sec improved by
Results:
Netperf, 1 vm:
The polling patch improved throughput by ~33% (1516 MB/sec - 2046
MB/sec).
Number of exits/sec decreased 6x.
The same improvement was shown when I tested with 3 vms running netperf
(4086 MB/sec - 5545 MB/sec).
filebench, 1 vm:
ops/sec improved by
Il 16/07/2014 10:47, Andrew Jones ha scritto:
These patches (v7) are also available from a git repo here
https://github.com/rhdrjones/kvm-unit-tests/commits/arm/v7-initial-drop
Thanks, I pulled from here -- it's not yet on kernel.org, but it should
get there on Monday.
Paolo
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