On 05/21/2012 10:27 PM, Eduardo Habkost wrote:
Changes v2 - v3;
- Check for kvm_enabled() before setting cpuid_7_0_ebx_features
Changes v1 - v2:
- Use kvm_arch_get_supported_cpuid() instead of host_cpuid() on
cpu_x86_fill_host().
We should use GET_SUPPORTED_CPUID for all bits
On 05/29/2012 08:28 PM, Alex Williamson wrote:
On Tue, 2012-05-29 at 20:13 +0300, Avi Kivity wrote:
On 05/29/2012 08:04 PM, Jan Kiszka wrote:
As suggested by Alex: Instead of failing if the kernel does not allow us
to speak to an ioport region, warn the user but, hide the region and
On 28.05.2012, at 12:40, Avi Kivity wrote:
On 05/25/2012 06:12 AM, Benjamin Herrenschmidt wrote:
BTW. This is a qemu patch, and that hypercall isn't KVM related at all,
ie, it's implemented in qemu and is used with or without KVM, so
documenting it in the kernel tree makes little sense.
On 2012-05-30 10:21, Avi Kivity wrote:
On 05/29/2012 08:28 PM, Alex Williamson wrote:
On Tue, 2012-05-29 at 20:13 +0300, Avi Kivity wrote:
On 05/29/2012 08:04 PM, Jan Kiszka wrote:
As suggested by Alex: Instead of failing if the kernel does not allow us
to speak to an ioport region, warn the
On 05/30/2012 11:47 AM, Jan Kiszka wrote:
On 2012-05-30 10:21, Avi Kivity wrote:
On 05/29/2012 08:28 PM, Alex Williamson wrote:
On Tue, 2012-05-29 at 20:13 +0300, Avi Kivity wrote:
On 05/29/2012 08:04 PM, Jan Kiszka wrote:
As suggested by Alex: Instead of failing if the kernel does not allow
On 2012-05-30 10:50, Avi Kivity wrote:
On 05/30/2012 11:47 AM, Jan Kiszka wrote:
On 2012-05-30 10:21, Avi Kivity wrote:
On 05/29/2012 08:28 PM, Alex Williamson wrote:
On Tue, 2012-05-29 at 20:13 +0300, Avi Kivity wrote:
On 05/29/2012 08:04 PM, Jan Kiszka wrote:
As suggested by Alex: Instead
Besides an update for hiding unsupported ioport BARs and tiny code
massages, this removes the obsolete iommu property from the pci-assign
device.
Jan Kiszka (5):
pci-assign: Hide ioport regions on lacking sysfs support
pci-assign: Drop iommu property
pci-assign: Privatize type definitions
As suggested by Alex: Instead of failing if the kernel does not allow us
to speak to an ioport region, warn the user but, hide the region and
continue.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
---
hw/device-assignment.c |7 ---
1 files changed, 4 insertions(+), 3 deletions(-)
No need to carry the type definitions in device-assignment.h. Move them
over to allow dropping the header once we use an INTx routing notifier
instead of exporting assigned_dev_update_irqs.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
---
hw/device-assignment.c | 90
Disabling the IOMMU for an assigned device was never more than a highly
experimental features and is no longer supported by host kernels = 3.2.
So drop this useless control from property list.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
---
hw/device-assignment.c | 22
real_device.irq is never set explicitly, thus remains 0. So we can
simply drop this line as assigned_irq_data is zero-initialized anyway.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
---
hw/device-assignment.c |1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git
No one was reading back this field.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
---
hw/device-assignment.c |2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/hw/device-assignment.c b/hw/device-assignment.c
index da50069..713e32a 100644
--- a/hw/device-assignment.c
+++
Stefan Hajnoczi wrote:
On Sat, May 26, 2012 at 11:23 AM, Erik Brakkeee...@brakkee.org wrote:
I have done some more experiments and it does work when using a Centos 6.2
guest. Therefore, it is most likely a compatibility issues between the guest
and host virtio implementation.
I read somewhere
Hi Avi,
This is my current patch queue for ppc. Please pull.
Changes this time include:
- Generalize KVM_GUEST support to overall ePAPR code
- Fix reset for Book3S HV
- Fix machine check deferral when CONFIG_KVM_GUEST=y
- Add support for BookE register DECAR
Alex
The following
From: Liu Yu-B13201 yu@freescale.com
epapr paravirtualization support is now a Kconfig
selectable option
Signed-off-by: Liu Yu yu@freescale.com
[stuart.yo...@freescale.com: misc minor fixes, description update]
Signed-off-by: Stuart Yoder stuart.yo...@freescale.com
Signed-off-by:
From: Bharat Bhushan r65...@freescale.com
Added the decrementer auto-reload support. DECAR is readable
on e500v2/e500mc and later cpus.
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/include/asm/kvm_host.h |2 ++
From: Paul Mackerras pau...@samba.org
This adds a new ioctl to enable userspace to control the size of the guest
hashed page table (HPT) and to clear it out when resetting the guest.
The KVM_PPC_ALLOCATE_HTAB ioctl is a VM ioctl and takes as its parameter
a pointer to a u32 containing the desired
On 05/16/2012 08:49 AM, Raghavendra K T wrote:
On 05/14/2012 12:15 AM, Raghavendra K T wrote:
On 05/07/2012 08:22 PM, Avi Kivity wrote:
I could not come with pv-flush results (also Nikunj had clarified that
the result was on NOn PLE
I'd like to see those numbers, then.
Ingo, please hold on
-Original Message-
From: Bjorn Helgaas [mailto:bhelg...@google.com]
Sent: Saturday, May 19, 2012 9:20 AM
To: Xudong Hao
Cc: linux-...@vger.kernel.org; linux-ker...@vger.kernel.org;
kvm@vger.kernel.org; a...@redhat.com; alex.william...@redhat.com; Zhang,
Xiantao; Hao, Xudong
On 2012-05-02 12:09, Raghavendra K T wrote:
From: Raghavendra K T raghavendra...@linux.vnet.ibm.com
KVM_HC_KICK_CPU hypercall added to wakeup halted vcpu in paravirtual spinlock
enabled guest.
KVM_FEATURE_PV_UNHALT enables guest to check whether pv spinlock can be
enabled
in guest.
Holding the vblk-lock across kick causes poor scalability in SMP
guests. If one CPU is doing virtqueue kick and another CPU touches the
vblk-lock it will have to spin until virtqueue kick completes.
This patch reduces system% CPU utilization in SMP guests that are
running multithreaded I/O-bound
On 30/05/12 15:19, Stefan Hajnoczi wrote:
Holding the vblk-lock across kick causes poor scalability in SMP
guests. If one CPU is doing virtqueue kick and another CPU touches the
vblk-lock it will have to spin until virtqueue kick completes.
This patch reduces system% CPU utilization in SMP
On 05/30/2012 05:24 PM, Jan Kiszka wrote:
On 2012-05-02 12:09, Raghavendra K T wrote:
From: Raghavendra K Traghavendra...@linux.vnet.ibm.com
KVM_HC_KICK_CPU hypercall added to wakeup halted vcpu in paravirtual spinlock
enabled guest.
KVM_FEATURE_PV_UNHALT enables guest to check whether pv
On 05/24/2012 01:00 AM, Thomas Gleixner wrote:
Thought more about that.
We have a clear distinction between HW accessed data and software
accessed data.
If I look at TPR then it is special cased already and it does:
case APIC_TASKPRI:
report_tpr_access(apic,
Use get_block and other framework functions in cdrom test. Also
don't fail the whole test when tray-status reporting is not supported
by qemu and other cleanups.
Signed-off-by: Lukáš Doktor ldok...@redhat.com
---
client/tests/kvm/tests/cdrom.py | 118 ---
I forgot add pull request link:
https://github.com/autotest/autotest/pull/368
Dne 30.5.2012 16:43, Lukáš Doktor napsal(a):
Use get_block and other framework functions in cdrom test. Also
don't fail the whole test when tray-status reporting is not supported
by qemu and other cleanups.
While you are making the other recommended fixes, could
you add/create a pci_obff_supported() function, like the pci_ltr_supported()
function, and more importantly, add it to the pci_disable_obff() function?
The latter does not check that DEVCAP2 is supported, and thus, could be
writing to
On Mon, 21 May 2012 14:49:32 +0800
Wen Congyang we...@cn.fujitsu.com wrote:
The guest should run after reseting it, but it does not
run if its old state is RUN_STATE_INTERNAL_ERROR or RUN_STATE_PAUSED.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
vl.c |1 +
1 files changed, 1
On Mon, 21 May 2012 14:50:51 +0800
Wen Congyang we...@cn.fujitsu.com wrote:
When the guest is panicked, it will write 0x1 to the port 0x505. So if
qemu reads 0x1 from this port, we can do the folloing three things
according to the parameter -onpanic:
1. emit QEVENT_GUEST_PANICKED only
2.
On Sun, May 20, 2012 at 04:49:27PM +0300, Avi Kivity wrote:
Instead of using a atomic operation per active request, use just one
to get all requests at once, then check them with local ops. This
probably isn't any faster, since simultaneous requests are rare, but
it does reduce code size.
On Wed, 2012-05-30 at 11:05 +0200, Jan Kiszka wrote:
Besides an update for hiding unsupported ioport BARs and tiny code
massages, this removes the obsolete iommu property from the pci-assign
device.
Jan Kiszka (5):
pci-assign: Hide ioport regions on lacking sysfs support
pci-assign:
On Tue, May 22, 2012 at 07:40:29AM +, Ren, Yongjie wrote:
-Original Message-
From: Kevin Wolf [mailto:kw...@redhat.com]
Sent: Monday, May 21, 2012 11:30 PM
To: Ren, Yongjie
Cc: Avi Kivity; kvm@vger.kernel.org; Liu, RongrongX
Subject: Re: Biweekly KVM Test report, kernel
On Tue, May 22, 2012 at 07:40:29AM +, Ren, Yongjie wrote:
Latest commit 3fd9fedb in qemu-kvm master tree still has this issue.
And, the commit ID provided in Launchpad is correct.
Can you please check if the bug exists in upstream qemu.git as well?
This bug doesn't exist on
On Tue, May 22, 2012 at 03:54:56PM +0300, Michael S. Tsirkin wrote:
We perform ISR lookups twice: during interrupt
injection and on EOI. Typical workloads only have
a single bit set there. So we can avoid ISR scans by
1. counting bits as we set/clear them in ISR
2. if count is 1, caching the
Also, make it the default guest for KVM autotest.
Signed-off-by: Lucas Meneghel Rodrigues l...@redhat.com
---
client/tests/kvm/tests.cfg.sample | 18 -
client/tests/libvirt/tests.cfg.sample | 21 ++--
client/virt/guest-os.cfg.sample | 28
By the way, looks good, applied to next.
On Wed, May 30, 2012 at 11:51 AM, Lukáš Doktor ldok...@redhat.com wrote:
I forgot add pull request link:
https://github.com/autotest/autotest/pull/368
Dne 30.5.2012 16:43, Lukáš Doktor napsal(a):
Use get_block and other framework functions in cdrom
Linus,
Please pull from
git://git.kernel.org/pub/scm/virt/kvm/kvm.git master
to receive a build fix for non-kvm archs and a transparent hugepage
refcount bugfix on hosts with 4M pages.
Avi Kivity (1):
KVM: Export asm-generic/kvm_para.h
Xiao Guangrong (1):
KVM: MMU: fix huge
-Original Message-
From: Don Dutile [mailto:ddut...@redhat.com]
Sent: Thursday, May 31, 2012 12:13 AM
To: Xudong Hao
Cc: bhelg...@google.com; linux-...@vger.kernel.org;
linux-ker...@vger.kernel.org; kvm@vger.kernel.org; a...@redhat.com;
alex.william...@redhat.com; Zhang, Xiantao;
On Mon, 2012-05-28 at 13:40 +0300, Avi Kivity wrote:
Depends. How do you detect it exists? Are you detecting kvm, or qemu,
or the hypercall itself?
I'd hate us to find ourselves in a maze of disconnected documentation
with no clear guidelines on when a feature is available and when it is
On 28.05.2012, at 12:40, Avi Kivity wrote:
On 05/25/2012 06:12 AM, Benjamin Herrenschmidt wrote:
BTW. This is a qemu patch, and that hypercall isn't KVM related at all,
ie, it's implemented in qemu and is used with or without KVM, so
documenting it in the kernel tree makes little sense.
Hi Avi,
This is my current patch queue for ppc. Please pull.
Changes this time include:
- Generalize KVM_GUEST support to overall ePAPR code
- Fix reset for Book3S HV
- Fix machine check deferral when CONFIG_KVM_GUEST=y
- Add support for BookE register DECAR
Alex
The following
From: Liu Yu-B13201 yu@freescale.com
epapr paravirtualization support is now a Kconfig
selectable option
Signed-off-by: Liu Yu yu@freescale.com
[stuart.yo...@freescale.com: misc minor fixes, description update]
Signed-off-by: Stuart Yoder stuart.yo...@freescale.com
Signed-off-by:
From: Paul Mackerras pau...@samba.org
This adds a new ioctl to enable userspace to control the size of the guest
hashed page table (HPT) and to clear it out when resetting the guest.
The KVM_PPC_ALLOCATE_HTAB ioctl is a VM ioctl and takes as its parameter
a pointer to a u32 containing the desired
On Mon, 2012-05-28 at 13:40 +0300, Avi Kivity wrote:
Depends. How do you detect it exists? Are you detecting kvm, or qemu,
or the hypercall itself?
I'd hate us to find ourselves in a maze of disconnected documentation
with no clear guidelines on when a feature is available and when it is
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