On Thu, Jan 29, 2015 at 3:00 AM, Kun Cheng chengku...@gmail.com wrote:
Hi, Fam
Thanks for your reply. So a VM process cannot use IPC because it's not
provided with certain abilities as the concerned resources or
functions are hide (not virtualised or not provided) from it. But in
another
On Tue, Jan 27, 2015 at 5:55 AM, Mikhail Sennikovskii
mikhail.sennikovs...@profitbricks.com wrote:
Hi all,
I've posted the bolow mail to the qemu-dev mailing list, but I've got no
response there.
That's why I decided to re-post it here as well, and besides that I think
this could be a
Hi,
I notice that Qemu supports dump virtual memory of Guest OS. As this
page suggests:
http://doc.opensuse.org/products/draft/SLES/SLES-kvm_sd_draft/cha.qemu.monitor.html
To save the content of the virtual machine memory to a disk or console
output, use the following commands:
Hi,
I saw this page:
http://www.linux-kvm.org/page/Migration.
It looks like Migration is a feature provided by KVM? But when I look
at the Linux kernel source code, i.e., virt/kvm, and arch/x86/kvm, I
don't see the code for this migration feature.
So I wonder where is the source code for the
On Mon, Nov 17, 2014 at 5:29 PM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
I saw this page:
http://www.linux-kvm.org/page/Migration.
It looks like Migration is a feature provided by KVM? But when I look
at the Linux kernel source code, i.e., virt/kvm, and arch/x86/kvm, I
don't see the
On Wed, Jul 2, 2014 at 2:14 PM, kan.li...@intel.com wrote:
From: Kan Liang kan.li...@intel.com
x86, perf: Protect LBR and offcore rsp against KVM lying
With -cpu host, KVM reports LBR and offcore support, if the host has support.
When the guest perf driver tries to access LBR or offcore_rsp
On Mon, Jun 30, 2014 at 6:02 AM, Vadim Rozenfeld vroze...@redhat.com wrote:
On Mon, 2014-06-30 at 09:39 +0800, Zhang Haoyu wrote:
Hi, Vadim
I read the kvm-2012-forum paper KVM as a Microsoft-compatible hypervisor,
Any update and other references, please?
Thanks,
Zhang Haoyu
On Mon, Jun 23, 2014 at 1:41 PM, Jidong Xiao jidong.x...@gmail.com wrote:
Hi, All,
I am using a virtual machine in a cloud environment, which means I am
in control of the Guest OS, but have no access to the Host OS. Is
there a simple way to know whether or not the vPMU is enabled or
disabled
On Tue, Jun 24, 2014 at 4:38 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 24/06/2014 10:33, Jidong Xiao ha scritto:
I think I have figured out this. According to this patch (as well as
the Intel SDM manual), it looks like pmu is exposed via the cpuid leaf
0xah.
https://github.com
Hi, All,
I am using a virtual machine in a cloud environment, which means I am
in control of the Guest OS, but have no access to the Host OS. Is
there a simple way to know whether or not the vPMU is enabled or
disabled? Or, is there something I can control so as to turn its state
from enable to
On Mon, Jun 23, 2014 at 1:41 PM, Jidong Xiao jidong.x...@gmail.com wrote:
Hi, All,
I am using a virtual machine in a cloud environment, which means I am
in control of the Guest OS, but have no access to the Host OS. Is
there a simple way to know whether or not the vPMU is enabled or
disabled
On Wed, Jun 11, 2014 at 2:27 AM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
According to this:
https://github.com/torvalds/linux/commit/0d1de2d901f4ba0972a3886496a44fb1d3300dbd
It looks like kvm have been supporting x2apic since kernel 2.6.32, or
even earlier.
This patch is to emulate
On Wed, Jun 11, 2014 at 4:49 AM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
According to this:
https://github.com/torvalds/linux/commit/0d1de2d901f4ba0972a3886496a44fb1d3300dbd
It looks like kvm have been supporting x2apic since kernel 2.6.32, or
even earlier.
This patch is to emulate
On Wed, Jun 11, 2014 at 8:42 PM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
According to this:
https://github.com/torvalds/linux/commit/0d1de2d901f4ba0972a3886496a44fb1d3300dbd
It looks like kvm have been supporting x2apic since kernel 2.6.32,
or
even earlier.
This patch is to emulate
Hi,
According to this:
https://github.com/torvalds/linux/commit/0d1de2d901f4ba0972a3886496a44fb1d3300dbd
It looks like kvm have been supporting x2apic since kernel 2.6.32, or
even earlier.
However, this following patch:
On Tue, Jun 10, 2014 at 9:33 PM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
According to this:
https://github.com/torvalds/linux/commit/0d1de2d901f4ba0972a3886496a44fb1d3300dbd
It looks like kvm have been supporting x2apic since kernel 2.6.32, or
even earlier.
This patch is to emulate
On Tue, Jun 10, 2014 at 11:54 PM, Jidong Xiao jidong.x...@gmail.com wrote:
On Tue, Jun 10, 2014 at 9:33 PM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
According to this:
https://github.com/torvalds/linux/commit/0d1de2d901f4ba0972a3886496a44fb1d3300dbd
It looks like kvm have been supporting
On Wed, Jun 11, 2014 at 12:53 AM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
According to this:
https://github.com/torvalds/linux/commit/0d1de2d901f4ba0972a3886496a44fb1d3300dbd
It looks like kvm have been supporting x2apic since kernel 2.6.32, or
even earlier.
This patch is to emulate
On Wed, Jun 11, 2014 at 1:08 AM, Jidong Xiao jidong.x...@gmail.com wrote:
On Wed, Jun 11, 2014 at 12:53 AM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
According to this:
https://github.com/torvalds/linux/commit/0d1de2d901f4ba0972a3886496a44fb1d3300dbd
It looks like kvm have been supporting
On Mon, Jun 9, 2014 at 3:16 AM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
I am using this tool for querying VMX capabilities.
http://git.qemu.org/?p=qemu.git;a=blob_plain;f=scripts/kvm/vmxcap;hb=HEAD
And it shows as below that pause-loop exiting is not enabled. My kernel is
3.14.
secondary
Hi,
I am using this tool for querying VMX capabilities.
http://git.qemu.org/?p=qemu.git;a=blob_plain;f=scripts/kvm/vmxcap;hb=HEAD
And it shows as below that pause-loop exiting is not enabled. My kernel is 3.14.
secondary processor-based controls
Virtualize APIC accesses yes
On Sun, Jun 8, 2014 at 11:52 PM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
I am using this tool for querying VMX capabilities.
http://git.qemu.org/?p=qemu.git;a=blob_plain;f=scripts/kvm/vmxcap;hb=HEAD
And it shows as below that pause-loop exiting is not enabled. My kernel is
3.14.
secondary
On Sun, Jun 8, 2014 at 11:52 PM, Zhang Haoyu zhan...@sangfor.com wrote:
Hi,
I am using this tool for querying VMX capabilities.
http://git.qemu.org/?p=qemu.git;a=blob_plain;f=scripts/kvm/vmxcap;hb=HEAD
And it shows as below that pause-loop exiting is not enabled. My kernel is
3.14.
secondary
On Wed, Jun 4, 2014 at 3:09 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 04/06/2014 03:10, Jidong Xiao ha scritto:
diff --git a/qemu-2.0.0/target-i386/kvm.c.orig
b/qemu-2.0.0/target-i386/kvm.c
index 4389959..b8b282d 100644
--- a/qemu-2.0.0/target-i386/kvm.c.orig
+++ b/qemu-2.0.0/target
On Wed, Jun 4, 2014 at 3:08 PM, Bandan Das b...@redhat.com wrote:
Jidong Xiao jidong.x...@gmail.com writes:
On Wed, Jun 4, 2014 at 3:09 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 04/06/2014 03:10, Jidong Xiao ha scritto:
diff --git a/qemu-2.0.0/target-i386/kvm.c.orig
b/qemu-2.0.0
This patch fix typos in arch/x86/kvm/x86.c and mark the local function
emulator_write_emulated() as static.
Signed-off-by: Jidong Xiao jidong.x...@gmail.com
---
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 20316c6..5148562 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
On Wed, May 28, 2014 at 4:14 AM, Jidong Xiao jidong.x...@gmail.com wrote:
Hi,
In kvm_set_msr_common(), I see that the follow piece of code will
handle the write operation to the register MSR_K7_HWCR.
case MSR_K7_HWCR:
data = ~(u64)0x40; /* ignore flush filter disable
Hi,
In kvm_set_msr_common(), I see that the follow piece of code will
handle the write operation to the register MSR_K7_HWCR.
case MSR_K7_HWCR:
data = ~(u64)0x40; /* ignore flush filter disable */
data = ~(u64)0x100; /* ignore ignne emulation enable */
data =
Thanks Paolo, it's very clear.
-Jidong
On Thu, May 22, 2014 at 7:42 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 22/05/2014 05:55, Jidong Xiao ha scritto:
Hi,
I noticed that there is a file call emulate.c, under the directory of
arch/x86/kvm/, in its header part, it says:
Generic x86
On Fri, May 23, 2014 at 12:57 AM, Mathew Li mathew.li...@gmail.com wrote:
Hi All,
I want to learn KVM code. Apologies for asking really simple
questions. I have Ubuntu 12.04 32bit installed on my laptop. As I
understand there are two modules of the KVM. One is called kvm.ko and
other arch
Hi,
I noticed that there is a file call emulate.c, under the directory of
arch/x86/kvm/, in its header part, it says:
Generic x86 (32-bit and 64-bit) instruction decoder and emulator.
I am confused about this, since qemu will be the emulator, why does
kvm itself also includes such an emulator?
Forward to kvm maillist. Thank you.
-- Forwarded message --
From: Jidong Xiao jidong.x...@gmail.com
Date: Mon, Jan 23, 2012 at 11:09 PM
Subject: How to measure time for program running in guest OS?
To: virtualizat...@lists.linux-foundation.org
Hi,
I am running a guest OS
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