Avi Kivity wrote:
Anthony Liguori wrote:
I think live migration is now broken, since kvm accesses will not
update the qemu dirty bitmap.
Eh? I don't follow you here.
guest writes in qemu set the qemu dirty bitmap (for
cpu_physical_memory_get_dirty()), but guest accesses in kvm won't,
un
Anthony Liguori wrote:
I think live migration is now broken, since kvm accesses will not
update the qemu dirty bitmap.
Eh? I don't follow you here.
guest writes in qemu set the qemu dirty bitmap (for
cpu_physical_memory_get_dirty()), but guest accesses in kvm won't,
unless you enable dir
Avi Kivity wrote:
+8) Merge in additional changes in kvm-userspace tree
One of the important changes is running with signal delivery disabled,
since that's particularly slow (requires save/restore of the floating
point state, for example).
I think we need the IO thread first. We're slo
Anthony Liguori wrote:
This patch adds very basic KVM support. KVM is a kernel module for Linux that
allows userspace programs to make use of hardware virtualization support. It
current supports x86 hardware virtualization using Intel VT-x or AMD-V. It
also supports IA64 VT-i, PPC 440, and S39
On 10/29/08, Blue Swirl <[EMAIL PROTECTED]> wrote:
> On 10/29/08, Avi Kivity <[EMAIL PROTECTED]> wrote:
> > Hollis Blanchard wrote:
> >
> > > On Tue, Oct 28, 2008 at 6:36 PM, Anthony Liguori <[EMAIL PROTECTED]>
> > wrote:
> > >
> > >
> > > > Something I was thinking about this morning, and I
On 10/29/08, Avi Kivity <[EMAIL PROTECTED]> wrote:
> Hollis Blanchard wrote:
>
> > On Tue, Oct 28, 2008 at 6:36 PM, Anthony Liguori <[EMAIL PROTECTED]>
> wrote:
> >
> >
> > > Something I was thinking about this morning, and I think the first place
> > > where we'll definitely need a hook, is how to
Glauber Costa wrote:
resending, now with less quoted text:
Yeah, I was intending to scold you about that ;-)
diff --git a/kvm-all.c b/kvm-all.c
new file mode 100644
index 000..4379071
--- /dev/null
+++ b/kvm-all.c
@@ -0,0 +1,377 @@
+/*
+ * QEMU KVM support
+ *
+ * Copyright IBM, Corp.
resending, now with less quoted text:
> diff --git a/kvm-all.c b/kvm-all.c
> new file mode 100644
> index 000..4379071
> --- /dev/null
> +++ b/kvm-all.c
> @@ -0,0 +1,377 @@
> +/*
> + * QEMU KVM support
> + *
> + * Copyright IBM, Corp. 2008
> + *
> + * Authors:
> + * Anthony Liguori <[EMAIL
On Tue, Oct 28, 2008 at 03:13:34PM -0500, Anthony Liguori wrote:
> This patch adds very basic KVM support. KVM is a kernel module for Linux that
> allows userspace programs to make use of hardware virtualization support. It
> current supports x86 hardware virtualization using Intel VT-x or AMD-V.
Avi Kivity wrote:
> Hollis Blanchard wrote:
>> On Tue, Oct 28, 2008 at 6:36 PM, Anthony Liguori
>> <[EMAIL PROTECTED]> wrote:
>>
>>> Something I was thinking about this morning, and I think the first place
>>> where we'll definitely need a hook, is how to deal with
>>> kvm_load_registers(). I th
Fabrice Bellard wrote:
Avi Kivity wrote:
Hollis Blanchard wrote:
Out of curiosity, where are those places?
local apic -- needs to access interrupt disable flag
acpi sleep -- halts the current processor, so tied to cpustate
vmport -- bad ABI requires access to registers
Hollis Blanchard wrote:
On Tue, Oct 28, 2008 at 6:36 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote:
Something I was thinking about this morning, and I think the first place
where we'll definitely need a hook, is how to deal with
kvm_load_registers(). I think there's overlap between KVM and t
On Tue, Oct 28, 2008 at 6:36 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote:
>
> Something I was thinking about this morning, and I think the first place
> where we'll definitely need a hook, is how to deal with
> kvm_load_registers(). I think there's overlap between KVM and the IO thread
> here.
>
Avi Kivity wrote:
Anthony Liguori wrote:
Avi Kivity wrote:
Anthony Liguori wrote:
Another place "hook" is updating a slot's dirty bitmap. Right now,
with my patchset we don't have live migration or the VGA RAM
optimization. There's nothing about the VGA RAM optimization that
wouldn't work
Anthony Liguori wrote:
Avi Kivity wrote:
Anthony Liguori wrote:
Another place "hook" is updating a slot's dirty bitmap. Right now,
with my patchset we don't have live migration or the VGA RAM
optimization. There's nothing about the VGA RAM optimization that
wouldn't work for QEMU. I'm not
Avi Kivity wrote:
Anthony Liguori wrote:
Another place "hook" is updating a slot's dirty bitmap. Right now,
with my patchset we don't have live migration or the VGA RAM
optimization. There's nothing about the VGA RAM optimization that
wouldn't work for QEMU. I'm not sure that it really is a
On Wed, Oct 29, 2008 at 02:39:57PM +0200, Avi Kivity wrote:
> Glauber Costa wrote:
Another place "hook" is updating a slot's dirty bitmap. Right now,
with my patchset we don't have live migration or the VGA RAM
optimization. There's nothing about the VGA RAM optimization that
Glauber Costa wrote:
Another place "hook" is updating a slot's dirty bitmap. Right now,
with my patchset we don't have live migration or the VGA RAM
optimization. There's nothing about the VGA RAM optimization that
wouldn't work for QEMU. I'm not sure that it really is an
optimization i
On Wed, Oct 29, 2008 at 11:54:11AM +0200, Avi Kivity wrote:
> Anthony Liguori wrote:
>> Another place "hook" is updating a slot's dirty bitmap. Right now,
>> with my patchset we don't have live migration or the VGA RAM
>> optimization. There's nothing about the VGA RAM optimization that
>>
Anthony Liguori wrote:
Another place "hook" is updating a slot's dirty bitmap. Right now,
with my patchset we don't have live migration or the VGA RAM
optimization. There's nothing about the VGA RAM optimization that
wouldn't work for QEMU. I'm not sure that it really is an
optimization in
Glauber Costa wrote:
On Tue, Oct 28, 2008 at 7:51 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote:
This is part of the reason for this exercise. I'd rather introduce KVM
support first and then look at abstracting things, than vice versa. A
number of the hooks in the current QEMUAccel tree ar
On Tue, Oct 28, 2008 at 7:51 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote:
> Gerd Hoffmann wrote:
>>
>> Anthony Liguori wrote:
>>
>>>
>>> This patch only implements the bare minimum support to get a guest
>>> booting. It
>>> has very little impact the rest of QEMU and attempts to integrate nicely
Gerd Hoffmann wrote:
Anthony Liguori wrote:
This patch only implements the bare minimum support to get a guest booting. It
has very little impact the rest of QEMU and attempts to integrate nicely with
the rest of QEMU.
Huh? That isn't based on the qemu-accel patches ...
This is
Anthony Liguori wrote:
> This patch only implements the bare minimum support to get a guest booting.
> It
> has very little impact the rest of QEMU and attempts to integrate nicely with
> the rest of QEMU.
Huh? That isn't based on the qemu-accel patches ...
surprised,
Gerd
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Hollis Blanchard wrote:
Just a quick skim...
On Tue, Oct 28, 2008 at 3:13 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote:
+int kvm_cpu_exec(CPUState *env)
+{
+struct kvm_run *run = env->kvm_run;
+int ret;
+
+dprintf("kvm_cpu_exec()\n");
+
+do {
+kvm_arch_pre_run(env, r
Just a quick skim...
On Tue, Oct 28, 2008 at 3:13 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote:
> +int kvm_cpu_exec(CPUState *env)
> +{
> +struct kvm_run *run = env->kvm_run;
> +int ret;
> +
> +dprintf("kvm_cpu_exec()\n");
> +
> +do {
> +kvm_arch_pre_run(env, run);
> +
> +
This patch adds very basic KVM support. KVM is a kernel module for Linux that
allows userspace programs to make use of hardware virtualization support. It
current supports x86 hardware virtualization using Intel VT-x or AMD-V. It
also supports IA64 VT-i, PPC 440, and S390.
This patch only imple
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