-Original Message-
From: Wood Scott-B07421
Sent: Thursday, October 10, 2013 1:33 AM
To: Yoder Stuart-B08248
Cc: Wood Scott-B07421; Kim Phillips; Christoffer Dall; Alex Williamson; linux-
ker...@vger.kernel.org; a.mota...@virtualopensystems.com; ag...@suse.de; Sethi
Varun-B16395;
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
Of
Kim Phillips
Sent: Thursday, October 10, 2013 8:36 AM
To: Wood Scott-B07421
Cc: Yoder Stuart-B08248; Wood Scott-B07421; christoffer.d...@linaro.org;
alex.william...@redhat.com;
On 07.10.2013 11:55, Paolo Bonzini wrote:
Il 07/10/2013 11:49, Peter Lieven ha scritto:
It's in general not easy to do this if you take non-x86 targets into
account.
What about the dirty way to zero out all non zero pages at the beginning of
ram_load?
I'm not sure I follow?
sth like this for
On Wed, Oct 02, 2013 at 08:17:18PM +, Hai Nguyen wrote:
Stefan Hajnoczi stefanha at gmail.com writes:
On Mon, Sep 30, 2013 at 08:29:30PM -0400, duy hai nguyen wrote:
I have this question regarding the way KVM handles I/O requests from a
guest:
IO requests from a guest are
-Original Message-
From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo
Bonzini
Sent: Monday, October 07, 2013 5:35 PM
To: Alexander Graf
Cc: Bhushan Bharat-R65777; Paul Mackerras; Wood Scott-B07421; kvm-
p...@vger.kernel.org; kvm@vger.kernel.org mailing list;
Il 10/10/2013 10:32, Bhushan Bharat-R65777 ha scritto:
-Original Message-
From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo
Bonzini
Sent: Monday, October 07, 2013 5:35 PM
To: Alexander Graf
Cc: Bhushan Bharat-R65777; Paul Mackerras; Wood Scott-B07421; kvm-
Linus,
The following changes since commit 6d15ee492809d38bd62237b6d0f6a81d4dd12d15:
Merge git://git.kernel.org/pub/scm/virt/kvm/kvm (2013-10-03 08:56:41 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus
for you to fetch changes up
On Wed, Oct 09, 2013 at 10:29:53AM +0200, Alexander Graf wrote:
Am 09.10.2013 um 07:59 schrieb Paul Mackerras pau...@samba.org:
On Wed, Oct 09, 2013 at 01:46:29AM +0200, Alexander Graf wrote:
Am 09.10.2013 um 01:31 schrieb Paul Mackerras pau...@samba.org:
True, until we get
On Tue, Oct 08, 2013 at 11:33:31AM +0530, Bharat Bhushan wrote:
We need to search linux pte to get pte attributes for
setting TLB in KVM.
This patch defines a linux_pte_lookup() function for same.
[snip]
+ /* wait until _PAGE_BUSY is clear */
+ while (1) {
+ pte =
On Wed, Oct 09, 2013 at 12:47:31PM -0500, Scott Wood wrote:
On Wed, 2013-10-09 at 03:48 -0500, Bhushan Bharat-R65777 wrote:
What lookup_linux_pte_and_update() does:-
- find_linux_pte_or_hugepte()
- does size and some other trivial checks
- Then atomically update the pte:-
=
-Original Message-
From: Paul Mackerras [mailto:pau...@samba.org]
Sent: Thursday, October 10, 2013 4:06 PM
To: Wood Scott-B07421
Cc: Bhushan Bharat-R65777; Wood Scott-B07421; ag...@suse.de; Yoder Stuart-
B08248; kvm@vger.kernel.org; kvm-...@vger.kernel.org
Subject: Re: [PATCH 3/4]
On Thu, Oct 10, 2013 at 10:44:54AM +, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Paul Mackerras [mailto:pau...@samba.org]
Sent: Thursday, October 10, 2013 4:06 PM
To: Wood Scott-B07421
Cc: Bhushan Bharat-R65777; Wood Scott-B07421; ag...@suse.de; Yoder Stuart-
On Wed, Oct 09, 2013 at 10:47:10PM -0300, Marcelo Tosatti wrote:
Gleb has a idea that uses RCU_DESTORY to protect the shadow page table
and encodes the page-level into the spte (since we need to check if the
spte
is the last-spte. ). How about this?
Pointer please? Why is
I am trying to understand what you are proposing here (example DEVICE
can be handled by DRIVER1 and VFIO-PLATFORM-DRIVER):
- By default drv-explicit_bind_only will be clear in all drivers.
- By default device-explicit_bind_only will also be clear for all
devices.
- On boot, matching
Stefan Hajnoczi stefanha at gmail.com writes:
Thanks, Stefan!
In the network file system (NFS) approach you mentioned, I understand
that
the I/O requests will go directly from VM1 to VM2 via network before
reaching QEMU for I/O handling. Please correct if I am wrong.
The network
On Wed, 9 Oct 2013 14:33:21 +0530
Raghavendra K T raghavendra...@linux.vnet.ibm.com wrote:
We use jump label to enable pv-spinlock. With the changes in
(442e0973e927 Merge branch 'x86/jumplabel'), the jump label behaviour has
changed
that would result in evntual hang of the VM since we
On Thu, 2013-10-10 at 02:45 -0500, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Wood Scott-B07421
Sent: Thursday, October 10, 2013 1:33 AM
To: Yoder Stuart-B08248
Cc: Wood Scott-B07421; Kim Phillips; Christoffer Dall; Alex Williamson;
linux-
-Original Message-
From: Wood Scott-B07421
Sent: Thursday, October 10, 2013 8:53 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; Yoder Stuart-B08248; Kim Phillips; Christoffer Dall;
Alex
Williamson; linux-ker...@vger.kernel.org; a.mota...@virtualopensystems.com;
On Thu, 2013-10-10 at 03:01 -0500, Bhushan Bharat-R65777 wrote:
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On
Behalf Of
Kim Phillips
Sent: Thursday, October 10, 2013 8:36 AM
To: Wood Scott-B07421
Cc: Yoder Stuart-B08248; Wood
On 2013-10-02 20:47, Jan Kiszka wrote:
On 2013-09-30 11:08, Jan Kiszka wrote:
On 2013-09-26 17:04, Paolo Bonzini wrote:
Il 16/09/2013 10:11, Arthur Chunqi Li ha scritto:
This patch contains the following two changes:
1. Fix the bug in nested preemption timer support. If vmexit L2-L0
with
11feeb498086a3a5907b8148bdf1786a9b18fc55 introduced a memory leak when
KVM is run on gigantic compound pages.
11feeb498086a3a5907b8148bdf1786a9b18fc55 depends on the assumption
that PG_reserved is identical for all head and tail pages of a
compound page. So that if get_user_pages returns a tail
Il 10/10/2013 18:12, Jan Kiszka ha scritto:
On 2013-10-02 20:47, Jan Kiszka wrote:
On 2013-09-30 11:08, Jan Kiszka wrote:
On 2013-09-26 17:04, Paolo Bonzini wrote:
Il 16/09/2013 10:11, Arthur Chunqi Li ha scritto:
This patch contains the following two changes:
1. Fix the bug in nested
On Thu, Oct 10, 2013 at 03:08:45PM +0300, Gleb Natapov wrote:
On Wed, Oct 09, 2013 at 10:47:10PM -0300, Marcelo Tosatti wrote:
Gleb has a idea that uses RCU_DESTORY to protect the shadow page table
and encodes the page-level into the spte (since we need to check if
the spte
is
On 10/10/2013 12:12 PM, Andrea Arcangeli wrote:
11feeb498086a3a5907b8148bdf1786a9b18fc55 introduced a memory leak when
KVM is run on gigantic compound pages.
11feeb498086a3a5907b8148bdf1786a9b18fc55 depends on the assumption
that PG_reserved is identical for all head and tail pages of a
The following changes since commit a684f3cf9b9b9c3cb82be87aafc463de8974610c:
Merge remote-tracking branch 'kraxel/seabios-1.7.3.2' into staging
(2013-09-30 17:15:27 -0500)
are available in the git repository at:
git://github.com/awilliam/qemu-vfio.git tags/vfio-pci-for-qemu-20131010.0
When MSI is accelerated through KVM the vectors are only programmed
when the guest first enables MSI support. Subsequent writes to the
vector address or data fields are ignored. Unfortunately that means
we're ignore updates done to adjust SMP affinity of the vectors.
MSI SMP affinity already
Not all resets are created equal. PM reset is not very reliable,
especially for GPUs, so we might want to opt for a bus reset if a
standard reset will only do a D3hot-D0 transition. We can also
use this to tell if the standard reset will do a bus reset (if
neither has_pm_reset or has_flr is
Remove carriage returns and tweak formatting for error_reports.
Signed-off-by: Alex Williamson alex.william...@redhat.com
---
hw/misc/vfio.c | 24
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index 730dec5..a73e7f5
Now that VFIO has a PCI hot reset interface, take advantage of it.
There are two modes that we need to consider. The first is when only
one device within the set of devices affected is actually assigned to
the guest. In this case the other devices are are just held by VFIO
for isolation and we
During vfio-pci initfn, the device is not always in a state where the
option ROM can be read. In the case of graphics cards, there's often
no per function reset, which means we have host driver state affecting
whether the option ROM is usable. Ideally we want to move reading the
option ROM past
From: Alexey Kardashevskiy a...@ozlabs.ru
Memory regions can easily be 2^64 byte long and therefore overflow
for just a bit but that is enough for int128_get64() to assert.
This takes care of debug printing of huge section sizes.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by:
VFIO is always little endian so do byte swapping of our mask on the
way in and byte swapping of the size on the way out.
Signed-off-by: Alex Williamson alex.william...@redhat.com
Reported-by: Alexey Kardashevskiy a...@ozlabs.ru
---
hw/misc/vfio.c |4 ++--
1 file changed, 2 insertions(+), 2
Just to be sure we don't jump off any NULL pointer cliffs.
Signed-off-by: Alex Williamson alex.william...@redhat.com
Reported-by: Paolo Bonzini pbonz...@redhat.com
---
hw/misc/vfio.c |6 ++
1 file changed, 6 insertions(+)
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index
On Thu, Oct 10, 2013 at 01:42:22PM -0300, Marcelo Tosatti wrote:
On Thu, Oct 10, 2013 at 03:08:45PM +0300, Gleb Natapov wrote:
On Wed, Oct 09, 2013 at 10:47:10PM -0300, Marcelo Tosatti wrote:
Gleb has a idea that uses RCU_DESTORY to protect the shadow page
table
and encodes the
On Thu, Oct 10, 2013 at 10:16:46PM +0300, Gleb Natapov wrote:
On Thu, Oct 10, 2013 at 01:42:22PM -0300, Marcelo Tosatti wrote:
On Thu, Oct 10, 2013 at 03:08:45PM +0300, Gleb Natapov wrote:
On Wed, Oct 09, 2013 at 10:47:10PM -0300, Marcelo Tosatti wrote:
Gleb has a idea that uses
On Thu, Oct 10, 2013 at 06:12:41PM +0200, Andrea Arcangeli wrote:
11feeb498086a3a5907b8148bdf1786a9b18fc55 introduced a memory leak when
KVM is run on gigantic compound pages.
11feeb498086a3a5907b8148bdf1786a9b18fc55 depends on the assumption
that PG_reserved is identical for all head and
NoSnoop is a PCIe attribute that allows devices to issue transactions
that bypass cache. If devices are allowed to do this then the
hypervisor must emulate instructions like WBINVD or else drivers in
the guest have no way to synchronize RAM for the device. Instead of
forcing WBINVD when a device
I've been trying to get WinPE to boot correctly as a KVM guest. I've
found that WinPE 4.0 (aka server 2012) will boot fine in KVM, but
older versions will not. I only see this issue if the HyperV
enlightenments are enabled.
A screenshot of the crash can be found at:
On Thu, Oct 10, 2013 at 06:03:01PM -0300, Marcelo Tosatti wrote:
On Thu, Oct 10, 2013 at 10:16:46PM +0300, Gleb Natapov wrote:
On Thu, Oct 10, 2013 at 01:42:22PM -0300, Marcelo Tosatti wrote:
On Thu, Oct 10, 2013 at 03:08:45PM +0300, Gleb Natapov wrote:
On Wed, Oct 09, 2013 at 10:47:10PM
-Original Message-
From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo
Bonzini
Sent: Monday, October 07, 2013 5:35 PM
To: Alexander Graf
Cc: Bhushan Bharat-R65777; Paul Mackerras; Wood Scott-B07421; kvm-
p...@vger.kernel.org; k...@vger.kernel.org mailing list;
Il 10/10/2013 10:32, Bhushan Bharat-R65777 ha scritto:
-Original Message-
From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo
Bonzini
Sent: Monday, October 07, 2013 5:35 PM
To: Alexander Graf
Cc: Bhushan Bharat-R65777; Paul Mackerras; Wood Scott-B07421; kvm-
On Wed, Oct 09, 2013 at 10:29:53AM +0200, Alexander Graf wrote:
Am 09.10.2013 um 07:59 schrieb Paul Mackerras pau...@samba.org:
On Wed, Oct 09, 2013 at 01:46:29AM +0200, Alexander Graf wrote:
Am 09.10.2013 um 01:31 schrieb Paul Mackerras pau...@samba.org:
True, until we get
On Tue, Oct 08, 2013 at 11:33:31AM +0530, Bharat Bhushan wrote:
We need to search linux pte to get pte attributes for
setting TLB in KVM.
This patch defines a linux_pte_lookup() function for same.
[snip]
+ /* wait until _PAGE_BUSY is clear */
+ while (1) {
+ pte =
On Wed, Oct 09, 2013 at 12:47:31PM -0500, Scott Wood wrote:
On Wed, 2013-10-09 at 03:48 -0500, Bhushan Bharat-R65777 wrote:
What lookup_linux_pte_and_update() does:-
- find_linux_pte_or_hugepte()
- does size and some other trivial checks
- Then atomically update the pte:-
=
-Original Message-
From: Paul Mackerras [mailto:pau...@samba.org]
Sent: Thursday, October 10, 2013 4:06 PM
To: Wood Scott-B07421
Cc: Bhushan Bharat-R65777; Wood Scott-B07421; ag...@suse.de; Yoder Stuart-
B08248; k...@vger.kernel.org; kvm-ppc@vger.kernel.org
Subject: Re: [PATCH
On Thu, Oct 10, 2013 at 10:44:54AM +, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Paul Mackerras [mailto:pau...@samba.org]
Sent: Thursday, October 10, 2013 4:06 PM
To: Wood Scott-B07421
Cc: Bhushan Bharat-R65777; Wood Scott-B07421; ag...@suse.de; Yoder Stuart-
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