* oerg Roedel j...@8bytes.org wrote:
On Tue, Mar 16, 2010 at 12:25:00PM +0100, Ingo Molnar wrote:
Hm, that sounds rather messy if we want to use it to basically expose
kernel
functionality in a guest/host unified way. Is the qemu process discoverable
in
some secure way? Can we
Avi Kivity wrote:
Once upon a time, locked operations were emulated while holding the mmu mutex.
Since mmu pages were write protected, it was safe to emulate the writes in
a non-atomic manner, since there could be no other writer, either in the
guest or in the kernel.
These days emulation
Using bitmap_empty() to see whether memslot-dirty_bitmap is empty
Changlog:
cleanup x86 specific kvm_vm_ioctl_get_dirty_log() and fix a local
parameter's type address Takuya Yoshikawa's suggestion
Signed-off-by: Xiao Guangrong xiaoguangr...@cn.fujitsu.com
---
arch/x86/kvm/x86.c | 17
On 03/17/2010 09:45 AM, Jan Kiszka wrote:
Avi Kivity wrote:
Once upon a time, locked operations were emulated while holding the mmu mutex.
Since mmu pages were write protected, it was safe to emulate the writes in
a non-atomic manner, since there could be no other writer, either in the
* Anthony Liguori anth...@codemonkey.ws wrote:
On 03/16/2010 12:39 PM, Ingo Molnar wrote:
If we look at the use-case, it's going to be something like, a user is
creating virtual machines and wants to get performance information about
them.
Having to run a separate tool like perf is not
* Frank Ch. Eigler f...@redhat.com wrote:
Hi -
On Tue, Mar 16, 2010 at 06:04:10PM -0500, Anthony Liguori wrote:
[...]
The only way to really address this is to change the interaction.
Instead of running perf externally to qemu, we should support a perf
command in the qemu monitor
Xiao Guangrong wrote:
Using bitmap_empty() to see whether memslot-dirty_bitmap is empty
Changlog:
cleanup x86 specific kvm_vm_ioctl_get_dirty_log() and fix a local
parameter's type address Takuya Yoshikawa's suggestion
Oh, for such a tiny comment.
Signed-off-by: Xiao Guangrong
* Avi Kivity a...@redhat.com wrote:
Monitoring guests from the host is useful for kvm developers, but less so
for users.
Guest space profiling is easy, and 'perf kvm' is not about that. (plain 'perf'
will work if a proper paravirt channel is opened to the host)
I think you might have
On 03/17/2010 10:16 AM, Ingo Molnar wrote:
* Avi Kivitya...@redhat.com wrote:
Monitoring guests from the host is useful for kvm developers, but less so
for users.
Guest space profiling is easy, and 'perf kvm' is not about that. (plain 'perf'
will work if a proper paravirt channel
Takuya Yoshikawa wrote:
Oh, for such a tiny comment.
Your comment is valuable although it's tiny :-)
What I said was just you may be able to use bitmap_empty() instead of
-for (i = 0; !is_dirty i n/sizeof(long); i++)
-is_dirty = memslot-dirty_bitmap[i];
for x86's
Since 0.12, it appears that kvm does not allow more than
2 serial ports for a guest:
$ kvm \
-serial unix:s1,server,nowait \
-serial unix:s2,server,nowait \
-serial unix:s3,server,nowait
isa irq 4 already assigned
Is there a work-around for this?
Thanks!
/mjt
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Xiao Guangrong wrote:
Takuya Yoshikawa wrote:
Oh, for such a tiny comment.
Your comment is valuable although it's tiny :-)
What I said was just you may be able to use bitmap_empty() instead of
-for (i = 0; !is_dirty i n/sizeof(long); i++)
-is_dirty =
On Tue, Mar 16, 2010 at 01:08:28PM +0200, Avi Kivity wrote:
If the batch size is larger than the virtio queue size, or if there are
no flushes at all, then yes the huge write cache gives more opportunity
for reordering. But we're already talking hundreds of requests here.
Yes. And
* Anthony Liguori aligu...@linux.vnet.ibm.com wrote:
If you want to use a synthetic filesystem as the management interface for
qemu, that's one thing. But you suggested exposing the guest filesystem in
its entirely and that's what I disagreed with.
What did you think, that it would be
* Avi Kivity a...@redhat.com wrote:
On 03/17/2010 10:16 AM, Ingo Molnar wrote:
* Avi Kivitya...@redhat.com wrote:
Monitoring guests from the host is useful for kvm developers, but less so
for users.
Guest space profiling is easy, and 'perf kvm' is not about that. (plain
'perf'
On 03/17/2010 10:49 AM, Christoph Hellwig wrote:
On Tue, Mar 16, 2010 at 01:08:28PM +0200, Avi Kivity wrote:
If the batch size is larger than the virtio queue size, or if there are
no flushes at all, then yes the huge write cache gives more opportunity
for reordering. But we're already
On 03/17/10 09:38, Michael Tokarev wrote:
Since 0.12, it appears that kvm does not allow more than
2 serial ports for a guest:
$ kvm \
-serial unix:s1,server,nowait \
-serial unix:s2,server,nowait \
-serial unix:s3,server,nowait
isa irq 4 already assigned
Is there a work-around for this?
May I ask if it is possible to bind a real physical serial port to a guest?
Thanks,
Neo
On Wed, Mar 17, 2010 at 1:38 AM, Michael Tokarev m...@tls.msk.ru wrote:
Since 0.12, it appears that kvm does not allow more than
2 serial ports for a guest:
$ kvm \
-serial unix:s1,server,nowait \
On Tue, 2010-03-16 at 10:47 +0100, Ingo Molnar wrote:
* Zhang, Yanmin yanmin_zh...@linux.intel.com wrote:
On Tue, 2010-03-16 at 15:48 +0800, Zhang, Yanmin wrote:
On Tue, 2010-03-16 at 07:41 +0200, Avi Kivity wrote:
On 03/16/2010 07:27 AM, Zhang, Yanmin wrote:
From: Zhang,
On Wednesday 17 March 2010 10:34:33 Zhang, Yanmin wrote:
On Tue, 2010-03-16 at 11:32 +0200, Avi Kivity wrote:
On 03/16/2010 09:48 AM, Zhang, Yanmin wrote:
Right, but there is a scope between kvm_guest_enter and really running
in guest os, where a perf event might overflow. Anyway, the
On 03/17/2010 11:28 AM, Sheng Yang wrote:
I'm not sure if vmexit does break NMI context or not. Hardware NMI context
isn't reentrant till a IRET. YangSheng would like to double check it.
After more check, I think VMX won't remained NMI block state for host. That's
means, if NMI happened
Michael,
I don't use the kiocb comes from the sendmsg/recvmsg,
since I have embeded the kiocb in page_info structure,
and allocate it when page_info allocated.
So what I suggested was that vhost allocates and tracks the iocbs, and
passes them to your device with sendmsg/ recvmsg calls. This
On Wednesday 17 March 2010 17:41:58 Avi Kivity wrote:
On 03/17/2010 11:28 AM, Sheng Yang wrote:
I'm not sure if vmexit does break NMI context or not. Hardware NMI
context isn't reentrant till a IRET. YangSheng would like to double
check it.
After more check, I think VMX won't remained
On 03/17/2010 11:51 AM, Sheng Yang wrote:
I think you need DM_NMI for that to work correctly.
An alternative is to call the NMI handler directly.
apic_send_IPI_self() already took care of APIC_DM_NMI.
So it does (though not for x2apic?). I don't see why it doesn't work.
And
Takuya Yoshikawa wrote:
Ah, probably checking the git log will explain you why it is like that!
Marcelo's work? IIRC.
Oh, i find this commit:
commit 706831a7faec7ac0d3057d20df8234c45bbbc3c5
Author: Marcelo Tosatti mtosa...@redhat.com
Date: Wed Dec 23 14:35:22 2009 -0200
KVM: use
On Wed, Mar 17, 2010 at 05:48:10PM +0800, Xin, Xiaohui wrote:
Michael,
I don't use the kiocb comes from the sendmsg/recvmsg,
since I have embeded the kiocb in page_info structure,
and allocate it when page_info allocated.
So what I suggested was that vhost allocates and tracks the
Gerd Hoffmann wrote:
On 03/17/10 09:38, Michael Tokarev wrote:
Since 0.12, it appears that kvm does not allow more than
2 serial ports for a guest:
$ kvm \
-serial unix:s1,server,nowait \
-serial unix:s2,server,nowait \
-serial unix:s3,server,nowait
isa irq 4 already assigned
Is
Neo Jia wrote:
May I ask if it is possible to bind a real physical serial port to a guest?
It is all described in the documentation, quite a long list of
various things you can attach to a virtual serial port, incl.
a real one.
/mjt
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Oh, well, yes, I remember. qemu is more strict on ISA irq sharing now.
A bit too strict.
/me goes dig out a old patch which never made it upstream for some
reason I forgot. Attached.
This is wrong. Two devices should never be manipulating the same qemu_irq
object. If you want multiple
Instead of forcing the vms to shut down due to qemu-img
check step, just make the postprocess step non-critical,
ie, doesn't make the test fail because of it. The check
is still there, but it won't mask the results of tests
itself, while providing useful additional info.
Signed-off-by: Lucas
On Thu, Mar 11, 2010 at 2:54 AM, Yolkfull Chow yz...@redhat.com wrote:
The parameter 'devices_requested' is irrelated to driver_option 'max_vfs'
of 'igb'.
NIC card 82576 has two network interfaces and each can be
virtualized up to 7 virtual functions, therefore we multiply
two for the value
On Fri, Feb 26, 2010 at 1:13 AM, sudhir kumar smalik...@gmail.com wrote:
Looks good to me. It will definitely boost test speed for certain
tests and give flexibility to use existing autotest strength in more
granular way.
Thank you! FYI, this patch was applied, mainly because it's not
This is port of vhost v6 patch set I posted previously to qemu-kvm, for
those that want to get good performance out of it :) This patchset needs
to be applied when qemu.git one gets merged, this includes irqchip
support.
Changes from previous version:
- check kvm_enabled in irqfd call
Michael S.
This makes it possible to build vhost support
on systems which do not have this header.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
kvm/include/linux/vhost.h | 130 +
1 files changed, 130 insertions(+), 0 deletions(-)
create mode 100644
Add API to assign/deassign irqfd to kvm.
Add stub so that users do not have to use
ifdefs.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
kvm-all.c | 19 +++
kvm.h | 10 ++
2 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/kvm-all.c
Support per-vector callbacks for msix mask/unmask.
Will be used for vhost net.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/msix.c | 36 +++-
hw/msix.h |1 +
hw/pci.h |6 ++
3 files changed, 42 insertions(+), 1 deletions(-)
diff --git
Use irqfd when supported by kernel.
This uses msix mask notifiers: when vector is masked, we poll it from
userspace. When it is unmasked, we poll it from kernel.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/virtio-pci.c | 27 +++
1 files changed, 27
Liang Guo gave me this advice some weeks ago:
you may use kvm-nbd or qemu-nbd to present kvm image
as a NBD device, so
that you can use nbd-client to access them. eg:
kvm-nbd /vm/sid1.img
modprobe nbd
nbd-client localhost 1024 /dev/nbd0
fdisk -l /dev/nbd0
Didn't work for me because I
Avi Kivity wrote:
On 11/12/2009 02:04 AM, Jan Kiszka wrote:
This new IOCTL exports all yet user-invisible states related to
exceptions, interrupts, and NMIs. Together with appropriate user space
changes, this fixes sporadic problems of vmsave/restore, live migration
and system reset.
Copying Michael on the message.
Hi Yolkfull, I have reviewed this patch and I have some comments to
make on it, similar to the ones I made on an earlier version of it:
One of the things that I noticed is that this patch doesn't work very
well out of the box:
[...@freedom kvm]$ ./scan_results.py
On Tue, Mar 09, 2010 at 03:27:02PM +0200, Avi Kivity wrote:
On 02/26/2010 10:12 PM, Glauber Costa wrote:
It is actually not necessary to call a tpr function to save and load cr8,
as cr8 is part of the processor state, and thus, it is much easier
to just add it to CPUState.
As for apic base,
Stanse found a locking problem in vhost_set_vring:
several returns from VHOST_SET_VRING_KICK, VHOST_SET_VRING_CALL,
VHOST_SET_VRING_ERR with the vq-mutex held.
Fix these up.
Reported-by: Jiri Slaby jirisl...@gmail.com
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
drivers/vhost/vhost.c |
A thinko in code means we never trigger interrupt
mitigation. Fix this.
Reported-by: Juan Quintela quint...@redhat.com
Reported-by: Unai Uribarri unai.uriba...@optenet.com
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
drivers/vhost/net.c |2 +-
1 files changed, 1 insertions(+), 1
Anthony Liguori anth...@codemonkey.ws writes:
This really gets down to your definition of safe behaviour. As it
stands, if you suffer a power outage, it may lead to guest
corruption.
While we are correct in advertising a write-cache, write-caches are
volatile and should a drive lose
Avi Kivity a...@redhat.com writes:
On 03/15/2010 10:23 PM, Chris Webb wrote:
Wasteful duplication of page cache between guest and host notwithstanding,
turning on cache=writeback is a spectacular performance win for our guests.
Is this with qcow2, raw file, or direct volume access?
This
On 03/17/2010 10:14 AM, Chris Webb wrote:
Anthony Liguorianth...@codemonkey.ws writes:
This really gets down to your definition of safe behaviour. As it
stands, if you suffer a power outage, it may lead to guest
corruption.
While we are correct in advertising a write-cache, write-caches
On 03/08/2010 08:34 AM, Chris Webb wrote:
During boot, the screen gets resized to height 1 and a mouse click at this
point will cause a division by zero when calculating the absolute pointer
position from the pixel (x, y). Return a click in the middle of the screen
instead in this case.
On 03/16/2010 10:10 PM, Blue Swirl wrote:
Yes, and is what tlb_protect_code() does and it's called from
tb_alloc_page() which is what's code when a TB is created.
Just a tangential note: a long time ago, I tried to disable self
modifying code detection for Sparc. On most RISC
On 03/17/2010 05:24 PM, Chris Webb wrote:
Avi Kivitya...@redhat.com writes:
On 03/15/2010 10:23 PM, Chris Webb wrote:
Wasteful duplication of page cache between guest and host notwithstanding,
turning on cache=writeback is a spectacular performance win for our guests.
Is
* Anthony Liguori anth...@codemonkey.ws [2010-03-17 10:55:47]:
On 03/17/2010 10:14 AM, Chris Webb wrote:
Anthony Liguorianth...@codemonkey.ws writes:
This really gets down to your definition of safe behaviour. As it
stands, if you suffer a power outage, it may lead to guest
corruption.
On 03/17/2010 06:06 PM, Paul Brook wrote:
On 03/16/2010 10:10 PM, Blue Swirl wrote:
Yes, and is what tlb_protect_code() does and it's called from
tb_alloc_page() which is what's code when a TB is created.
Just a tangential note: a long time ago, I tried to disable self
Anthony Liguori anth...@codemonkey.ws writes:
On 03/17/2010 10:14 AM, Chris Webb wrote:
(c) installations that are already broken and lose data with a physical
drive with a write-cache can lose much more in this case because the
write cache is much bigger?
This is the
On 03/17/2010 04:00 PM, Glauber Costa wrote:
On Tue, Mar 09, 2010 at 03:27:02PM +0200, Avi Kivity wrote:
On 02/26/2010 10:12 PM, Glauber Costa wrote:
It is actually not necessary to call a tpr function to save and load cr8,
as cr8 is part of the processor state, and thus, it is much
On 03/17/2010 06:22 PM, Avi Kivity wrote:
Also, if my guest kernel issues (say) three small writes, one at the
start
of the disk, one in the middle, one at the end, and then does a
flush, can
virtio really express this as one non-contiguous O_DIRECT write (the
three
components of which can be
Avi Kivity a...@redhat.com writes:
Chris, can you carry out an experiment? Write a program that
pwrite()s a byte to a file at the same location repeatedly, with the
file opened using O_SYNC. Measure the write rate, and run blktrace
on the host to see what the disk (/dev/sda, not the volume)
On Wed, Mar 17, 2010 at 06:22:29PM +0200, Avi Kivity wrote:
They should be reorderable. Otherwise host filesystems on several
volumes would suffer the same problems.
They are reordable, just not as extremly as the the page cache.
Remember that the request queue really is just a relatively
On 03/17/2010 06:47 PM, Chris Webb wrote:
Avi Kivitya...@redhat.com writes:
Chris, can you carry out an experiment? Write a program that
pwrite()s a byte to a file at the same location repeatedly, with the
file opened using O_SYNC. Measure the write rate, and run blktrace
on the host to
Anthony Liguori wrote:
On 03/08/2010 08:34 AM, Chris Webb wrote:
During boot, the screen gets resized to height 1 and a mouse click at
this
point will cause a division by zero when calculating the absolute
pointer
position from the pixel (x, y). Return a click in the middle of the
screen
On Wed, Mar 17, 2010 at 06:40:30PM +0200, Avi Kivity wrote:
Chris, can you carry out an experiment? Write a program that pwrite()s
a byte to a file at the same location repeatedly, with the file opened
using O_SYNC. Measure the write rate, and run blktrace on the host to
see what the disk
On Wed, Mar 17, 2010 at 06:53:34PM +0200, Avi Kivity wrote:
Meanwhile I looked at the code, and it looks bad. There is an
IO_CMD_FDSYNC, but it isn't tagged, so we have to drain the queue before
issuing it. In any case, qemu doesn't use it as far as I could tell,
and even if it did,
On 03/17/2010 06:58 PM, Christoph Hellwig wrote:
On Wed, Mar 17, 2010 at 06:53:34PM +0200, Avi Kivity wrote:
Meanwhile I looked at the code, and it looks bad. There is an
IO_CMD_FDSYNC, but it isn't tagged, so we have to drain the queue before
issuing it. In any case, qemu doesn't use it
On 03/17/2010 06:52 PM, Christoph Hellwig wrote:
On Wed, Mar 17, 2010 at 06:22:29PM +0200, Avi Kivity wrote:
They should be reorderable. Otherwise host filesystems on several
volumes would suffer the same problems.
They are reordable, just not as extremly as the the page cache.
On 03/17/2010 06:57 PM, Christoph Hellwig wrote:
On Wed, Mar 17, 2010 at 06:40:30PM +0200, Avi Kivity wrote:
Chris, can you carry out an experiment? Write a program that pwrite()s
a byte to a file at the same location repeatedly, with the file opened
using O_SYNC. Measure the write rate,
On Wed, Mar 17, 2010 at 03:14:10PM +, Chris Webb wrote:
Anthony Liguori anth...@codemonkey.ws writes:
This really gets down to your definition of safe behaviour. As it
stands, if you suffer a power outage, it may lead to guest
corruption.
While we are correct in advertising a
Acked-by: cha...@google.com
On Wed, Mar 17, 2010 at 7:42 AM, Michael S. Tsirkin m...@redhat.com wrote:
Stanse found a locking problem in vhost_set_vring:
several returns from VHOST_SET_VRING_KICK, VHOST_SET_VRING_CALL,
VHOST_SET_VRING_ERR with the vq-mutex held.
Fix these up.
Reported-by:
Eduardo Habkost wrote:
svm_vcpu_reset() was not properly resetting the contents of the guest-visible
cr0 register, causing the following issue:
https://bugzilla.redhat.com/show_bug.cgi?id=525699
Without resetting cr0 properly, the vcpu was running the SIPI bootstrap
routine
with paging
On Sun, Mar 14, 2010 at 09:57:52AM +0100, André Weidemann wrote:
Hi,
I cloned the qemu-kvm git repository today with git clone
git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git
qemu-kvm-2010-03-14, ran configure and compiled it and did a make
install. Everything went fine without warnings or
On Sun, Mar 14, 2010 at 10:22:52AM +0200, Avi Kivity wrote:
Direct maps are linear translations for a section of memory, used for
real mode or with large pages. As such, they are independent of the guest
levels.
Teach the mmu about this by making page-role.glevels = 0 for direct maps.
This
Marcelo Tosatti wrote:
On Fri, Nov 27, 2009 at 04:46:26PM +0800, Sheng Yang wrote:
Otherwise would cause VMEntry failure when using ept=0 on unrestricted guest
supported processors.
Signed-off-by: Sheng Yang sh...@linux.intel.com
Applied, thanks.
So without this patch kvm
Acked-by: Laurent Chavey cha...@google.com
On Wed, Mar 17, 2010 at 10:54 AM, Laurent Chavey cha...@google.com wrote:
Acked-by: cha...@google.com
On Wed, Mar 17, 2010 at 7:42 AM, Michael S. Tsirkin m...@redhat.com wrote:
Stanse found a locking problem in vhost_set_vring:
several returns from
On Wed, Mar 17, 2010 at 3:35 AM, Michael Tokarev m...@tls.msk.ru wrote:
Neo Jia wrote:
May I ask if it is possible to bind a real physical serial port to a guest?
It is all described in the documentation, quite a long list of
various things you can attach to a virtual serial port, incl.
a
Vivek Goyal vgo...@redhat.com writes:
Are you using CFQ in the host? What is the host kernel version? I am not sure
what is the problem here but you might want to play with IO controller and put
these guests in individual cgroups and see if you get better throughput even
with
Neo Jia wrote:
On Wed, Mar 17, 2010 at 3:35 AM, Michael Tokarev m...@tls.msk.ru wrote:
Neo Jia wrote:
May I ask if it is possible to bind a real physical serial port to a guest?
It is all described in the documentation, quite a long list of
various things you can attach to a virtual serial
On Tue, Mar 16, 2010 at 02:42:52PM +0200, Gleb Natapov wrote:
Add test for opcodes 0x90-0x9f emulation
Signed-off-by: Gleb Natapov g...@redhat.com
diff --git a/kvm/user/test/x86/realmode.c b/kvm/user/test/x86/realmode.c
index bc6b27f..bfc2942 100644
Applied, thanks.
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On Tue, Mar 16, 2010 at 05:25:13PM +0200, Alpár Török wrote:
PS: It just occurred to me , that it does indeed freeze and cause a
100% CPU usage. At least i can say for sure that network, serial line,
keyboard, nor mouse work. If loadvm is loaded from the command line.
If loaded from the
On Mon, Mar 15, 2010 at 10:13:30PM +0900, Takuya Yoshikawa wrote:
kvm_coalesced_mmio_init() keeps to hold the addresses of a coalesced
mmio ring page and dev even after it has freed them.
Also, if this function fails, though it might be rare, it seems to be
suggesting the system's serious
On Mon, Mar 15, 2010 at 05:29:09PM +0800, Gui Jianfeng wrote:
Make use of bool as return values, and remove some useless
bool value converting. Thanks Avi to point this out.
Signed-off-by: Gui Jianfeng guijianf...@cn.fujitsu.com
Applied, thanks.
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Hey all,
I'm working on moving from a mixture of physical servers and
virtualized servers running on Virtualbox, to a pure KVM setup. But
I'm having some problems with my Windows XP guests in my test-setup.
This is the host I'm testing on:
CPU: Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz
RAM:
On 03/17/2010 09:22 AM, Thomas Løcke wrote:
Hey all,
I'm working on moving from a mixture of physical servers and
virtualized servers running on Virtualbox, to a pure KVM setup. But
I'm having some problems with my Windows XP guests in my test-setup.
This is the host I'm testing on:
CPU:
Bugs item #2972152, was opened at 2010-03-17 14:43
Message generated for change (Tracker Item Submitted) made by high33
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=893831aid=2972152group_id=180599
Please note that this message will contain a full copy of the
When run with -smp 17 or greather, kvm
fails like this:
$ kvm -smp 17
kvm_create_vcpu: Invalid argument
kvm_setup_mce FAILED: Invalid argument
KVM_SET_LAPIC failed
Segmentation fault
$ _
In qemu-kvm.c, the kvm_create_vcpu() routine
(which is used in a vcpu thread to set up
vcpu) is declared as
What I mean is: if asked to enable kvm but kvm
can't be initialized for some reason (lack of
virt extensions on the cpu, permission denied
and so on), can we stop with a fatal error
instead of continuing in emulated mode?
Or maybe with another option, like -require-kvm?
I understand that
On 03/17/2010 03:18 PM, Michael Tokarev wrote:
What I mean is: if asked to enable kvm but kvm
can't be initialized for some reason (lack of
virt extensions on the cpu, permission denied
and so on), can we stop with a fatal error
instead of continuing in emulated mode?
What I've been
On 17.03.2010 19:22, Marcelo Tosatti wrote:
On Sun, Mar 14, 2010 at 09:57:52AM +0100, André Weidemann wrote:
Hi,
I cloned the qemu-kvm git repository today with git clone
git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git
qemu-kvm-2010-03-14, ran configure and compiled it and did a make
On 03/16/2010 11:28 PM, Sheng Yang wrote:
On Wednesday 17 March 2010 10:34:33 Zhang, Yanmin wrote:
On Tue, 2010-03-16 at 11:32 +0200, Avi Kivity wrote:
On 03/16/2010 09:48 AM, Zhang, Yanmin wrote:
Right, but there is a scope between kvm_guest_enter and really running
in
On Wed, Mar 17, 2010 at 07:17:32PM +0100, Alexander Graf wrote:
Eduardo Habkost wrote:
svm_vcpu_reset() was not properly resetting the contents of the
guest-visible
cr0 register, causing the following issue:
https://bugzilla.redhat.com/show_bug.cgi?id=525699
Without resetting cr0
On 17.03.2010, at 22:42, Eduardo Habkost wrote:
On Wed, Mar 17, 2010 at 07:17:32PM +0100, Alexander Graf wrote:
Eduardo Habkost wrote:
svm_vcpu_reset() was not properly resetting the contents of the
guest-visible
cr0 register, causing the following issue:
On 17.03.2010, at 22:57, Dieter Ries wrote:
Am 16.11.2009 13:19, schrieb Avi Kivity:
From: Alexander Graf ag...@suse.de
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index f54c4f9..59fe4d5 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -316,7 +316,7 @@ static void
Am 16.11.2009 13:19, schrieb Avi Kivity:
From: Alexander Graf ag...@suse.de
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index f54c4f9..59fe4d5 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -316,7 +316,7 @@ static void svm_hardware_disable(void *garbage)
On Wed, Mar 17, 2010 at 8:33 PM, Zachary Amsden zams...@redhat.com wrote:
What's your host CPU load get up to. You only have a single core?
Dual core.
If I only run a single Windows VM, the host load is pretty low. Sure
it goes up a bit when for example copying a file, but it's nothing
On Wed, Mar 17, 2010 at 11:02:40PM +0100, Alexander Graf wrote:
On 17.03.2010, at 22:57, Dieter Ries wrote:
Hi,
This is breaking KVM on my Phenom II X4 955.
When I start kvm I get this on the terminal:
kvm_create_vm: Device or resource busy
Could not initialize KVM, will
On 03/17/2010 12:17 PM, Thomas Løcke wrote:
On Wed, Mar 17, 2010 at 8:33 PM, Zachary Amsdenzams...@redhat.com wrote:
What's your host CPU load get up to. You only have a single core?
Dual core.
If I only run a single Windows VM, the host load is pretty low. Sure
it goes up a bit
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On 17.03.2010, at 23:40, Dieter Ries wrote:
On Wed, Mar 17, 2010 at 11:02:40PM +0100, Alexander Graf wrote:
On 17.03.2010, at 22:57, Dieter Ries wrote:
Hi,
This is breaking KVM on my Phenom II X4 955.
When I start kvm I get this on the terminal:
kvm_create_vm: Device or resource busy
On Thursday 18 March 2010 05:14:52 Zachary Amsden wrote:
On 03/16/2010 11:28 PM, Sheng Yang wrote:
On Wednesday 17 March 2010 10:34:33 Zhang, Yanmin wrote:
On Tue, 2010-03-16 at 11:32 +0200, Avi Kivity wrote:
On 03/16/2010 09:48 AM, Zhang, Yanmin wrote:
Right, but there is a scope between
On Thursday 18 March 2010 02:37:10 Alexander Graf wrote:
Marcelo Tosatti wrote:
On Fri, Nov 27, 2009 at 04:46:26PM +0800, Sheng Yang wrote:
Otherwise would cause VMEntry failure when using ept=0 on unrestricted
guest supported processors.
Signed-off-by: Sheng Yang sh...@linux.intel.com
From: yogi anant...@linux.vnet.ibm.com
The patch enables doing mulitple install of guest OS in parallel.
Have added four more options to test_base.cfg, port redirection
entry guest_port_unattend_shell for host to communicate with
guest during installation, pxe_dir, 'pxe_image' and
'pxe_initrd to
FYI, patch applied, see:
http://autotest.kernel.org/changeset/4309
On Wed, Mar 17, 2010 at 11:28 PM, Lucas Meneghel Rodrigues
l...@redhat.com wrote:
From: yogi anant...@linux.vnet.ibm.com
The patch enables doing mulitple install of guest OS in parallel.
Have added four more options to
On Wed, 2010-03-17 at 17:26 +0800, Zhang, Yanmin wrote:
On Tue, 2010-03-16 at 10:47 +0100, Ingo Molnar wrote:
* Zhang, Yanmin yanmin_zh...@linux.intel.com wrote:
On Tue, 2010-03-16 at 15:48 +0800, Zhang, Yanmin wrote:
On Tue, 2010-03-16 at 07:41 +0200, Avi Kivity wrote:
On
On Wed, Mar 17, 2010 at 11:43:06AM +0800, Xiao Guangrong wrote:
- The RSV bit is possibility set in error code when #PF occurred
only if CR4.PSE=1 or CR4.PAE=1
- context-rsvd_bits_mask[1][0] is always 0
Changlog:
Move this operation to reset_rsvds_bits_mask() address Avi Kivity's
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