Paolo Bonzini writes:
>> virtio_ring: virtqueue_add_sgs, to add multiple sgs.
>>
>> virtio_scsi and virtio_blk can really use these, to avoid their current
>> hack of copying the whole sg array.
>>
>> Signed-off-by: Ruty Russell
>
> It's much better than the other prototype you had posted, but
On Mon, Feb 18, 2013 at 08:12:21PM -0500, Peter Hurley wrote:
> On Mon, 2013-02-18 at 19:59 -0300, Marcelo Tosatti wrote:
> > On Wed, Feb 13, 2013 at 06:57:09AM -0500, Peter Hurley wrote:
> > > On Wed, 2013-02-13 at 12:51 +0200, Gleb Natapov wrote:
> > > > On Tue, Feb 12, 2013 at 04:39:03PM -0800,
Il 19/02/2013 08:49, Rusty Russell ha scritto:
>
> But modulo devastating benchmarks, this wins. Because the three-part
> API is really, really ugly. It *looks* like a generic "start - work
> ... work - end" API, but it's not. Because you need to declare exactly
> what you're doing in virtqueue
On 2013-02-17 18:35, Gleb Natapov wrote:
> On Sun, Feb 17, 2013 at 06:01:05PM +0100, Jan Kiszka wrote:
>> On 2013-02-17 17:26, Gleb Natapov wrote:
>>> On Sun, Feb 17, 2013 at 04:31:26PM +0100, Jan Kiszka wrote:
On 2013-02-17 16:07, Gleb Natapov wrote:
> On Sat, Feb 16, 2013 at 06:10:14PM +
https://bugzilla.kernel.org/show_bug.cgi?id=54071
Corin Langosch changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|
On Mon, Feb 18, 2013 at 05:01:40PM -0600, Scott Wood wrote:
> On 02/18/2013 06:21:59 AM, Gleb Natapov wrote:
> >Copying Christoffer since ARM has in kernel irq chip too.
> >
> >On Wed, Feb 13, 2013 at 11:49:15PM -0600, Scott Wood wrote:
> >> Currently, devices that are emulated inside KVM are confi
On Mon, Feb 18, 2013 at 09:50:44PM -0800, Christoffer Dall wrote:
> >> > +static int kvm_ioctl_create_device(struct kvm *kvm,
> >> > + struct kvm_create_device *cd)
> >> > +{
> >> > + struct kvm_device *dev = NULL;
> >> > + bool test = cd->flags & KVM_CR
Hi Brandon,
On Fri, Feb 15, 2013 at 02:27:35PM -0500, Brandon Dwiel wrote:
> Hi,
>
> I'm a computer engineering PhD student and I have the opportunity to
> contribute something to KVM as a class project. I found a few
> interesting items on the KVM TODO list (http://www.linux-kvm.org/page/TODO)
>
Copying Alex. He wrote nested SVM.
On Tue, Feb 19, 2013 at 11:04:01AM +0100, Jan Kiszka wrote:
> On 2013-02-17 18:35, Gleb Natapov wrote:
> > On Sun, Feb 17, 2013 at 06:01:05PM +0100, Jan Kiszka wrote:
> >> On 2013-02-17 17:26, Gleb Natapov wrote:
> >>> On Sun, Feb 17, 2013 at 04:31:26PM +0100, Ja
On Mon, Feb 18, 2013 at 10:58:14PM -0300, Marcelo Tosatti wrote:
>
> To match whats mapped via vsyscalls to userspace.
>
> Reported-by: Peter Hurley
> Signed-off-by: Marcelo Tosatti
>
Reviewed-by: Gleb Natapov
> diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
> index 220
On 2013-02-19 14:13, Gleb Natapov wrote:
> Copying Alex. He wrote nested SVM.
>
> On Tue, Feb 19, 2013 at 11:04:01AM +0100, Jan Kiszka wrote:
>> On 2013-02-17 18:35, Gleb Natapov wrote:
>>> On Sun, Feb 17, 2013 at 06:01:05PM +0100, Jan Kiszka wrote:
On 2013-02-17 17:26, Gleb Natapov wrote:
>>
From: Yang Zhang
The "acknowledge interrupt on exit" feature controls processor behavior
for external interrupt acknowledgement. When this control is set, the
processor acknowledges the interrupt controller to acquire the
interrupt vector on VM exit.
After enabling this feature, an interrupt whi
From: Yang Zhang
Posted Interrupt allows APIC interrupts to inject into guest directly
without any vmexit.
- When delivering a interrupt to guest, if target vcpu is running,
update Posted-interrupt requests bitmap and send a notification event
to the vcpu. Then the vcpu will handle this inte
From: Yang Zhang
The two patches are adding the Posted Interrupt supporting to KVM:
The first patch enables the feature 'acknowledge interrupt on vmexit'.Since
it is required by Posted interrupt, we need to enable it firstly.
And the second patch is adding the posted interrupt supporting.
Pleas
Juan Quintela wrote:
> Hi
>
> Please send in any agenda topics you are interested in.
There are no topic, so happy hacking.
Later, Juan.
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On Tue, Feb 19, 2013 at 4:24 AM, Gleb Natapov wrote:
> On Mon, Feb 18, 2013 at 05:01:40PM -0600, Scott Wood wrote:
>> On 02/18/2013 06:21:59 AM, Gleb Natapov wrote:
>> >Copying Christoffer since ARM has in kernel irq chip too.
>> >
>> >On Wed, Feb 13, 2013 at 11:49:15PM -0600, Scott Wood wrote:
>>
On Tue, Feb 19, 2013 at 11:04:01AM +0100, Jan Kiszka wrote:
> I had a look at SVM to check how it deals with this, but I'm not sure
> if I understand the logic correctly. SVM does:
>
> static int nested_svm_vmexit(struct vcpu_svm *svm)
> {
> ...
> /*
>* If we emulate a VMRUN/#V
On 2013-02-19 17:14, Joerg Roedel wrote:
> On Tue, Feb 19, 2013 at 11:04:01AM +0100, Jan Kiszka wrote:
>> I had a look at SVM to check how it deals with this, but I'm not sure
>> if I understand the logic correctly. SVM does:
>>
>> static int nested_svm_vmexit(struct vcpu_svm *svm)
>> {
>> ...
On Tue, Feb 19, 2013 at 3:39 PM, Yang Zhang wrote:
> From: Yang Zhang
>
> The "acknowledge interrupt on exit" feature controls processor behavior
> for external interrupt acknowledgement. When this control is set, the
> processor acknowledges the interrupt controller to acquire the
> interrupt ve
On 02/18/2013 11:50:44 PM, Christoffer Dall wrote:
On Mon, Feb 18, 2013 at 4:53 PM, Scott Wood
wrote:
> On 02/18/2013 06:44:20 PM, Christoffer Dall wrote:
>>
>> On Wed, Feb 13, 2013 at 9:49 PM, Scott Wood
>> > +#define KVM_CREATE_DEVICE_IOWR(KVMIO, 0xac, struct
>> > kvm_create_dev
On 02/19/2013 06:24:18 AM, Gleb Natapov wrote:
On Mon, Feb 18, 2013 at 05:01:40PM -0600, Scott Wood wrote:
> The ability to set/get attributes is needed. Sorry, but "get or set
> one blob of data, up to 512 bytes, for the entire irqchip" is just
> not good enough -- assuming you don't want us to
On Mon, Feb 18, 2013 at 04:43:27PM -0600, Scott Wood wrote:
> On 02/15/2013 10:51:16 PM, Paul Mackerras wrote:
> >The KVM_CREATE_IRQCHIP_ARGS ioctl says that you want emulation of a
> >specific interrupt controller architecture connected to the vcpus'
> >external interrupt inputs. In that sense it
On 02/19/2013 06:41:11 PM, Paul Mackerras wrote:
On Mon, Feb 18, 2013 at 04:43:27PM -0600, Scott Wood wrote:
> On 02/15/2013 10:51:16 PM, Paul Mackerras wrote:
> >The KVM_CREATE_IRQCHIP_ARGS ioctl says that you want emulation of a
> >specific interrupt controller architecture connected to the vcp
On Tue, Feb 19, 2013 at 12:16 PM, Scott Wood wrote:
> On 02/18/2013 11:50:44 PM, Christoffer Dall wrote:
>>
>> On Mon, Feb 18, 2013 at 4:53 PM, Scott Wood
>> wrote:
>> > On 02/18/2013 06:44:20 PM, Christoffer Dall wrote:
>> >>
>> >> On Wed, Feb 13, 2013 at 9:49 PM, Scott Wood
>> >> > +#define KV
Read and write steal time MSR, so that reporting is functional across
migration.
Signed-off-by: Marcelo Tosatti
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 7577e4f..17c7293 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -792,6 +792,7 @@ typedef struct CPUX86State {
#end
https://bugzilla.kernel.org/show_bug.cgi?id=54061
Marcelo Tosatti changed:
What|Removed |Added
CC||mtosa...@redhat.com
--- Comment #1
Avi Kivity wrote on 2013-02-20:
> On Tue, Feb 19, 2013 at 3:39 PM, Yang Zhang wrote:
>> From: Yang Zhang
>>
>> The "acknowledge interrupt on exit" feature controls processor behavior
>> for external interrupt acknowledgement. When this control is set, the
>> processor acknowledges the interrupt
On Thu, Feb 07, 2013 at 11:45:34PM -0200, Marcelo Tosatti wrote:
> On Wed, Jan 23, 2013 at 03:19:22PM +0800, Hu Tao wrote:
> > This patch enables preservation of cpu runstate during save/load vm.
> > So when a vm is restored from snapshot, the cpu runstate is restored,
> > too.
> >
> > See followi
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