From: Avi Kivity a...@redhat.com
Upsteam commit 9fa06385f6 (kvm: Mark full address range dirty on live
migration start) requests dirty logging on the entire 64-bit address
space. This triggered an allocation in qemu-kvm.c for this range,
which oomed.
Fix by allocating the buffer when we know
From: Glauber Costa glom...@redhat.com
handle_powerpc_dcr_read() and handle_powerpc_dcr_write() are two
powerpc specific functions that are called via libkvm callbacks.
However, grepping the source code finds simply no use of them. This
is probably due to the fact that powerpc now relies on a
From: Jes Sorensen j...@sgi.com
Move _PR block from the DSDT to a new SSDT in the KVM BIOS. As AML,
or at least Windows doesn't allow forward declarations of Methods,
it is necessary to declare the _GPE._L02 Method in the SSDT as well.
This will make it possible to plug in different SSDTs with
From: Glauber Costa glom...@redhat.com
Same spirit of what has already been done for the generic code.
Fold libkvm.c into qemu-kvm-x86.c. handle_tpr_access becomes
kvm_handle_tpr_access, to avoid name clash.
Signed-off-by: Glauber Costa glom...@redhat.com
Signed-off-by: Avi Kivity
From: Avi Kivity a...@redhat.com
Signed-off-by: Avi Kivity a...@redhat.com
diff --git a/.gitignore b/.gitignore
index bdebd0a..4fdbc62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,6 +39,10 @@ x86/irq_comm.c
x86/timer.c
x86/kvm_timer.h
x86/iommu.c
+x86/svm-trace.h
+x86/trace-arch.h
From: Avi Kivity a...@redhat.com
Signed-off-by: Avi Kivity a...@redhat.com
diff --git a/linux-2.6 b/linux-2.6
index f0f1a43..acb57be 16
--- a/linux-2.6
+++ b/linux-2.6
@@ -1 +1 @@
-Subproject commit f0f1a433c63883874bcf93c338deecaccf654e12
+Subproject commit
From: Avi Kivity a...@redhat.com
Signed-off-by: Avi Kivity a...@redhat.com
diff --git a/external-module-compat-comm.h b/external-module-compat-comm.h
index 1e511dc..53d03ea 100644
--- a/external-module-compat-comm.h
+++ b/external-module-compat-comm.h
@@ -840,3 +840,30 @@ static inline struct
From: Marcelo Tosatti mtosa...@redhat.com
make_all_cpus_request contains a race condition which can
trigger false request completed status, as follows:
CPU0 CPU1
if (test_and_set_bit(req,vcpu-requests))
From: Jaswinder Singh Rajput jaswin...@kernel.org
MSR_K8_MSR is removed as it is duplicating MSRC001_0015 Hardware
Configuration Register (HWCR), which is already defined as MSR_K7_HWCR
Fix x86_64 allmodconfig :
arch/x86/kvm/svm.c: In function 'svm_set_msr':
arch/x86/kvm/svm.c:2152: error:
From: Stephen Rothwell s...@canb.auug.org.au
Eliminates this compiler warning:
arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:1178: error: integer overflow in
expression
Signed-off-by: Stephen Rothwell s...@canb.auug.org.au
Signed-off-by: Avi Kivity a...@redhat.com
diff --git
From: Jes Sorensen j...@sgi.com
Fix problem with double export of certain symbols from vsprintf.c
which we do not wish to export from the kvm-intel.ko module.
In addition, we do not have access to kallsyms_lookup() from the
module, so make sure to #undef CONFIG_KALLSYMS
Signed-off-by: Jes
From: Marcelo Tosatti mtosa...@redhat.com
This allows use of the powerful ftrace infrastructure.
See Documentation/trace/ for usage information.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Signed-off-by: Avi Kivity a...@redhat.com
diff --git a/arch/x86/kvm/Makefile
From: Gregory Haskins ghask...@novell.com
We no longer hold the fget() for the irqfd lifetime, so clean up the comments
related to that.
Signed-off-by: Gregory Haskins ghask...@novell.com
Signed-off-by: Avi Kivity a...@redhat.com
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index
From: Jaswinder Singh Rajput jaswin...@kernel.org
toggle_interruptibility() is used only by same file, it should be static.
Fixed following sparse warning :
arch/x86/kvm/x86_emulate.c:1364:6: warning: symbol 'toggle_interruptibility'
was not declared. Should it be static?
Signed-off-by:
On 06/18/2009 10:37 PM, Glauber Costa wrote:
Avi,
This is the patch set that should be applied. It is comprised of
4 patches. It however, depends on [PATCH 1/5] get rid of target-i386/libkvm.c,
so I'm sending it again, since it does not seem to be already applied by you.
Applied all,
On 06/18/2009 08:38 PM, Andrea Arcangeli wrote:
From: Andrea Arcangeliaarca...@redhat.com
model=2 is not existent when vendor is intel and an errata of P6 says
that any model= 2 when family is 6 lack sap feature, so windows and
linux 32bit guests disable sap in software and slowdown for no good
On 06/21/2009 01:01 PM, Avi Kivity wrote:
On 06/18/2009 10:37 PM, Glauber Costa wrote:
Avi,
This is the patch set that should be applied. It is comprised of
4 patches. It however, depends on [PATCH 1/5] get rid of
target-i386/libkvm.c,
so I'm sending it again, since it does not seem to be
On 06/19/2009 08:17 PM, Jan Kiszka wrote:
Jan Kiszka wrote:
Fix regression in CPU initialization caused by merge a5b526135d and try
to avoid this in the future by dropping qemu-kvm specific pc_new_cpu. If
such refactoring is desired, it should go through upstream first.
F...ine.
On 06/18/2009 02:23 PM, Jaswinder Singh Rajput wrote:
toggle_interruptibility() is used only by same file, it should be static.
Fixed following sparse warning :
arch/x86/kvm/x86_emulate.c:1364:6: warning: symbol 'toggle_interruptibility'
was not declared. Should it be static?
On 06/19/2009 05:23 PM, Jes Sorensen wrote:
libvirt currently does
fd = open(/dev/kvm)
r = ioctl(fd, KVM_CHECK_EXTENSION, KVM_CAP_NR_VCPUS);
to figure out what the maximum allowed vCPUs will be for KVM,
and currently it is returning 16 IIRC.
Interesting, this will need to be
On 06/19/2009 04:59 PM, Jes Sorensen wrote:
Hi,
This one introduces a -maxcpus setting, allowing the user to specify
the maximum number of vCPUs the system can have, as discussed with Gleb
earlier in the week.
Patch looks good. There is nothing kvm-specific about it, so please
send it to
On 06/18/2009 08:44 PM, Gregory Haskins wrote:
(Applies to kvm.git/master:c27b64a0)
The following series represents my queue of fixes for issues in irqfd,
which include enhancements to eventfd. This is a respin of the patches
originally proposed yesterday, called [KVM-RFC PATCH 0/2] eventfd
On 06/18/2009 03:39 PM, Jes Sorensen wrote:
On 06/16/2009 11:50 AM, Gleb Natapov wrote:
Works for me with windows XP/7, but can you add a comment in DSDT where
_GRE.L02 should be why it is missing and where to find it.
Avi,
Are you happy with the last version of the SSDT patch? I have more
On 06/18/2009 05:09 PM, Gregory Haskins wrote:
Avi Kivity wrote:
On 06/18/2009 03:09 PM, Gregory Haskins wrote:
+config KVM_MAX_IOSIGNALFD_ITEMS
+int Maximum IOSIGNALFD items per address
+depends on KVM
+default 32
+---help---
+ This option influences the maximum
On 06/19/2009 09:09 PM, Passera, Pablo R wrote:
Hi list,
I need to monitor some guest memory pages. I need to know if the
information in these pages was changed. For this, I was thinking to mark the
guest memory pages in some way (like write protecting them) so a page fault is
Greetings, I just subscribed.
I get as far as the Press F12 for a boot menu, and then the guest
reboots. I have gotten as far as figuring out that there is a triple
fault in my guest's code, but I don't know why.
Can anyone give me a clue as to how to debug it?
I am able to attach gdb to the
Here is the port of MSI-X support patches to upstream qemu.
Please comment or commit.
This patchset adds generic support for MSI-X, adds implementation in
APIC, and uses MSI-X in virtio-net.
Changelog:
- since v5
make sure that load does not modify registers that guest can not change
replace
Change much of hw/pci to use symbolic constants and a table-driven
design: add a mask table with writable bits set and readonly bits unset.
Detect change by comparing original and new registers.
This makes it easy to support capabilities where read-only/writeable
bit layout differs between
Add inline routines for convenient access to pci devices
with correct (little) endianness. Will be used by MSI-X support.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/pci.h | 30 +++---
1 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/hw/pci.h
Add routines to manage PCI capability list. First user will be MSI-X.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/pci.c | 74 +-
hw/pci.h | 18 ++-
2 files changed, 90 insertions(+), 2 deletions(-)
diff
Add cmask table of constant register masks: if a bit is not writeable
and is set in cmask table, this bit is checked on load. An attempt to
load an image that would change such a register causes load to fail.
Use this table to make sure that load does not modify registers that
guest can not
Add functions implementing MSI-X support. First user will be virtio-pci.
Note that platform must set a flag to declare MSI supported: this
is a safety measure to avoid breaking platforms which should support
MSI-X but currently lack this in the interrupt controller emulation.
For PC this will be
Implement MSI support in APIC. Note that MSI and MMIO APIC registers
are at the same memory location, but actually not on the global bus: MSI
is on PCI bus, APIC is connected directly to the CPU. We map them on the
global bus at the same address which happens to work because MSI
registers are
This enables actual support for MSI-X in virtio PCI.
First user will be virtio-net.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/virtio-pci.c | 152 --
rules.mak |2 +-
2 files changed, 113 insertions(+), 41 deletions(-)
Extend virtio to support many interrupt vectors, and rearrange code in
preparation for multi-vector support (mostly move reset out to bindings,
because we will have to reset the vectors in transport-specific code).
Actual bindings in pci, and use in net, to follow.
Load and save are not connected
Implement bindings for virtio save/load. Use them in virtio pci.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/virtio-pci.c | 46 +-
hw/virtio.c | 33 -
hw/virtio.h |4
3 files changed, 65
Add pci_get/set_byte to keep *_word and *_long access functions company.
They are unused for now.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/pci.h | 12
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/hw/pci.h b/hw/pci.h
index 03b0a70..52b66b3 100644
Request up to 3 vectors in virtio-net. Actual bindings might supply
less.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/virtio-net.c |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index d584287..c8dabbe 100644
---
Add an option to specify the number of MSI-X vectors for PCI NIC cards. This
can also be used to disable MSI-X, for compatibility with old qemu. This
option currently only affects virtio cards.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
hw/virtio-net.c |5 -
net.c |
On Sat, 20 Jun 2009, Gregory Haskins wrote:
Davide Libenzi wrote:
On Sat, 20 Jun 2009, Davide Libenzi wrote:
On Sat, 20 Jun 2009, Davide Libenzi wrote:
How about the one below?
Maybe with an interface that can be undone w/out a file* :)
This is another
Don't add an option for platforms to disable MSI-X in all devices.
Paul Brook will find and fix all platforms that have broken MSI-X
emulation.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
This patch on top of my msix series v6 is a bit tongue in cheek: it
shows what can be done and
Davide Libenzi wrote:
On Sat, 20 Jun 2009, Gregory Haskins wrote:
Davide Libenzi wrote:
On Sat, 20 Jun 2009, Davide Libenzi wrote:
On Sat, 20 Jun 2009, Davide Libenzi wrote:
How about the one below?
Maybe with an interface that can
On 21.06.2009, at 17:51, Avi Kivity a...@redhat.com wrote:
On 06/19/2009 09:09 PM, Passera, Pablo R wrote:
Hi list,
I need to monitor some guest memory pages. I need to know
if the information in these pages was changed. For this, I was
thinking to mark the guest memory pages
Hi
I am on Ubuntu 9.04 with kvm-84.
When I try to do migrate with file option it gives unknown migration
protocol. Is this broken.
I did find some conversation about it not being in upstream..etc. But could
not find a resolution.
Can someone please confirm that this is not expected
On 06/21/2009 09:46 PM, Alexander Graf wrote:
You can use the dirty memory logging API. vga uses this to track
which regions of the screen have changed, and live migration uses it
to allow the guest to proceed while copying its memory to the other
node. It works exactly by write protecting
On Sun, Jun 21, 2009 at 9:02 AM, Michael Crawfordmdcrawf...@gmail.com wrote:
I get as far as the Press F12 for a boot menu, and then the guest
reboots. I have gotten as far as figuring out that there is a triple
fault in my guest's code, but I don't know why.
Can anyone give me a clue as to
Hi
I am saving a snapshot using
migrate exec: gzip -c /tmp/cent_105.snapshot.xm
and restoring it using the following option on the command line
-incoming exec: gzip -c -d /tmp/cent_105.snapshot.xm
Now the snapshot seems to be restored.. as I can get to the display of the VM.
On Sun, 21 Jun 2009, Gregory Haskins wrote:
This looks great, Davide. I am fairly certain I can now solve the races
and even implement Michael's DEASSIGN feature with this patch in place.
I will actually fire it up tomorrow when I am back in the office and
give it a spin, but I do not spy
I'm not completely certain, but I think I get a GPF whenever trying to
output text to the screen once interrupts have been enabled.
That is, before calling int 0x19, I can use printf from within
rombios.c, and my messages appear. But from anywhere within the int19
code, they don't.
I definitely
On Sun, Jun 21, 2009 at 07:44:57PM +0300, Michael S. Tsirkin wrote:
This uses the mask table patch that I posted previously, and which is
included in the series. That patch has been slightly updated due
to mask - wmask rename. Isaku Yamahata, maybe you want to
update your patch series with
On Thu, 2009-06-18 at 17:50 -0400, David Huff wrote:
Second pass at the unattended install test. Both Linux and Windows guests are
working however currently it just uses the existing boot test and extends
timeouts. We still need a good way of determining if an unattended install
completed
On Saturday 20 June 2009 03:23:40 Ram Pai wrote:
I see this problem with a x86 sles10 guest running on x86_64 intel host.
If the guest is reset abruptly and rebooted, some where
before grub sequence it hangs and the following message is seen in the
logs
emulation failed (pagetable) rip 7ed5
On Friday 19 June 2009 21:44:40 Alex Williamson wrote:
On Fri, 2009-06-19 at 15:27 +0800, Yang, Sheng wrote:
On Friday 19 June 2009 00:28:41 Alex Williamson wrote:
The one oddity I noticed is that even when the enable bit is clear, the
guest can read the ROM. I don't know that this is
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