On Fri, Dec 18, 2015 at 12:25 PM, Andy Lutomirski <l...@amacapital.net> wrote:
> [cc: John Stultz -- maybe you have ideas on how this should best
> integrate with the core code]
>
> On Fri, Dec 18, 2015 at 11:45 AM, Marcelo Tosatti <mtosa...@redhat.com> wrote:
>> On F
On 2 November 2015 at 14:58, Will Deacon wrote:
> On Fri, Oct 30, 2015 at 06:26:53PM +, Andre Przywara wrote:
>> Hi,
>
> Hello Andre,
>
>> this series cleans up kvmtool's kernel loading functionality a bit.
>> It has been broken out of a previous series I sent [1] and
On 2 November 2015 at 14:58, Will Deacon wrote:
> On Fri, Oct 30, 2015 at 06:26:53PM +, Andre Przywara wrote:
>> Hi,
>
> Hello Andre,
>
>> this series cleans up kvmtool's kernel loading functionality a bit.
>> It has been broken out of a previous series I sent [1] and
lean and nice to work with.
On 30 September 2015 at 17:11, Andre Przywara <andre.przyw...@arm.com> wrote:
> Hi Dimitri,
>
> thanks for sharing your patches.
>
> On 29/09/15 17:59, Dimitri John Ledkov wrote:
>> The partial command line args & earlyprintk=serial are sti
From: Arjan van de Ven <ar...@linux.intel.com>
with the TSC deadline timer feature, we don't need to calibrate the apic
timers anymore, which saves more than 100 milliseconds of boot time.
Signed-off-by: Arjan van de Ven <ar...@linux.intel.com>
Signed-off-by: Dimitri John Ledkov &l
itri John Ledkov <dimitri.j.led...@intel.com>
---
builtin-run.c | 10 ++
kvm.c | 1 -
x86/kvm.c | 8 ++--
3 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/builtin-run.c b/builtin-run.c
index e0c8732..8edbf88 100644
--- a/builtin-run.c
+++ b/builtin-run.c
Hello,
On 17 September 2015 at 15:03, Alban Crequy wrote:
> kvm__set_dir() called in main() and kvm__get_dir() rely on $HOME. But in
> some environments (such as starting lkvm through systemd-run), $HOME is
> undefined. This causes bind() to use a socket path containing
On 18 September 2015 at 13:56, Will Deacon wrote:
> On Fri, Sep 18, 2015 at 11:51:37AM +0100, Riku Voipio wrote:
>> On 17 September 2015 at 18:53, Will Deacon wrote:
>> > On Thu, Sep 17, 2015 at 03:03:15PM +0100, Alban Crequy wrote:
>> >> kvm__set_dir()
Hello Will,
Looks good to me =)
On 15 September 2015 at 18:20, Will Deacon <will.dea...@arm.com> wrote:
> Hi Dmitri,
>
> On Fri, Sep 11, 2015 at 03:40:00PM +0100, Dimitri John Ledkov wrote:
>> If one typically only boots full disk-images, one wouldn't necessaraly
>> wa
On 11 September 2015 at 13:47, Andre Przywara <andre.przyw...@arm.com> wrote:
> Hi Dimitri,
>
> thanks for sharing this patch and sorry for the delay.
No worries, I have a few more patches to send, polishing them for release.
>
> (CC:ing Will)
>
> On 04/09/15 13:04
If one typically only boots full disk-images, one wouldn't necessaraly
want to statically link glibc, for the guest-init feature of the
kvmtool. As statically linked glibc triggers haevy security
maintainance.
Signed-off-by: Dimitri John Ledkov <dimitri.j.led...@intel.com>
---
Changes si
If one typically only boots full disk-images, one wouldn't necessaraly
want to statically link glibc, for the guest-init feature of the
kvmtool. As statically linked glibc triggers haevy security
maintainance.
Signed-off-by: Dimitri John Ledkov <dimitri.j.led...@intel.com>
---
Ma
On Jun 24, 2015, at 9:50 AM, Paolo Bonzini pbonz...@redhat.com wrote:
On 23/06/2015 00:08, John Nielsen wrote:
I’m resurrecting an old thread since I haven’t heard anything in a
while. Has anyone looked in to the KVM+apicv bug documented above as
well as here:
https://bugs.launchpad.net
On Jun 22, 2015, at 3:48 PM, Bandan Das b...@redhat.com wrote:
John Nielsen li...@jnielsen.net writes:
On Jun 17, 2014, at 10:48 AM, John Nielsen li...@jnielsen.net wrote:
On Jun 17, 2014, at 12:05 AM, Gleb Natapov g...@kernel.org wrote:
On Tue, Jun 17, 2014 at 06:21:23AM +0200, Paolo
On Jun 17, 2014, at 10:48 AM, John Nielsen li...@jnielsen.net wrote:
On Jun 17, 2014, at 12:05 AM, Gleb Natapov g...@kernel.org wrote:
On Tue, Jun 17, 2014 at 06:21:23AM +0200, Paolo Bonzini wrote:
Il 16/06/2014 18:47, John Nielsen ha scritto:
On Jun 16, 2014, at 10:39 AM, Paolo Bonzini
i need your assistance in transferring some funds
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about what may be happening?
Thanks in advance for any advice.
--John S.
(As a post-script: the kernel I am using is the version provided by
David Airlie for MST [Multi-Stream Transport] support in Linux, which is
still experimental. Sorry for the non-stock kernel!
http
a reliable TSC. Add it back; and since the field boot_ns
is not anymore related to the host boot-based clock, rename
boot_ns-nsec_base
and the existing nsec_base-snsec_base.
Cc: Thomas Gleixner t...@linutronix.de
Cc: John Stultz john.stu...@linaro.org
Reported-by: Chris J Arges chris.j.ar
code, especially after resume.
Remove this code from random.c and add the appropriate
add_device_randomness calls to timekeeping.c instead.
Cc: John Stultz john.stu...@linaro.org
Signed-off-by: Andy Lutomirski l...@amacapital.net
---
drivers/char/random.c | 2 --
kernel/time
On Jun 16, 2014, at 10:21 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 16/06/2014 18:47, John Nielsen ha scritto:
On Jun 16, 2014, at 10:39 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 16/06/2014 18:09, John Nielsen ha scritto:
The only substantial difference on the hardware side
On Jun 20, 2014, at 1:53 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 20/06/2014 17:41, John Nielsen ha scritto:
So we have a clue. Let me study the code more, I'll try to get back with
a suggestion.
Paolo, have you had an opportunity to look in to this some more?
Not yet, sorry
On Jun 17, 2014, at 12:05 AM, Gleb Natapov g...@kernel.org wrote:
On Tue, Jun 17, 2014 at 06:21:23AM +0200, Paolo Bonzini wrote:
Il 16/06/2014 18:47, John Nielsen ha scritto:
On Jun 16, 2014, at 10:39 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 16/06/2014 18:09, John Nielsen ha scritto
HI,
I’ve been benchmarking of several GPU-enabled applications on both physical
hardware and within KVM. To my surprise, I’ve found a small subset of
benchmarks that are able to outperform the host system by as much as 15% in
some cases, and I’m hoping that someone may be able to offer some
its not entirely applicable here just thought I would mention it.
Thanks,
John
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On 11/14/2012 04:08 PM, Marcelo Tosatti wrote:
As suggested by John, export time data similarly to how its
done by vsyscall support. This allows KVM to retrieve necessary
information to implement vsyscall support in KVM guests.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Thanks
On 10/24/2012 06:13 AM, Marcelo Tosatti wrote:
As suggested by John, export time data similarly to how its
done by vsyscall support. This allows KVM to retrieve necessary
information to implement vsyscall support in KVM guests.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Thanks Marcelo
of a
hardware issue. And in those logs, I don't see the printk time-stamp
inconsistencies that were alluded to in this thread.
Fengguang: Is this still reproducible? Do you have any details (dmesg)
about host system as well?
thanks
-john
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for the
workload manually until we manage to imlement some
self-tuning heuristics.
Ethtool already has this switch 'ethtool -L' can be
used to set the number tx/rx channels. So you would
likely just need to add a set_channels hook.
.John
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On 3/25/2012 6:09 AM, Roopa Prabhu wrote:
On 3/18/12 11:52 PM, John Fastabend john.r.fastab...@intel.com wrote:
This adds a generic dump routine drivers can call. It
should be sufficient to handle any bridging model that
uses the unicast address list. This should be most SR-IOV
comments/feedback appreciated!
---
John Fastabend (5):
ixgbe: allow RAR table to be updated in promisc mode
ixgbe: enable FDB netdevice ops
net: add fdb generic dump routine
net: addr_list: add exclusive dev_uc_add
net: add generic PF_BRIDGE:RTM_XXX FDB hooks
lists.
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
include/linux/netdevice.h |1 +
net/core/dev_addr_lists.c | 19 +++
2 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4208901
This adds a generic dump routine drivers can call. It
should be sufficient to handle any bridging model that
uses the unicast address list. This should be most SR-IOV
enabled NICs.
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
net/core/rtnetlink.c | 56
Enable FDB ops on ixgbe when in SR-IOV mode.
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 59 +
1 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
This allows RAR table updates while in promiscuous. With
SR-IOV enabled it is valuable to allow the RAR table to
be updated even when in promisc mode to configure forwarding
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 21
Hemminger and Ben Hutchings for
valuable feedback, suggestions, and review.
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
include/linux/neighbour.h |3 +
include/linux/netdevice.h | 26
include/linux/rtnetlink.h |4 +
net/bridge/br_device.c|3 +
net/bridge
On 3/19/2012 3:55 PM, Stephen Hemminger wrote:
On Mon, 19 Mar 2012 18:38:08 -0400 (EDT)
David Miller da...@davemloft.net wrote:
From: John Fastabend john.r.fastab...@intel.com
Date: Sun, 18 Mar 2012 23:51:45 -0700
This series is a follow up to this thread:
http://www.spinics.net/lists
On 3/19/2012 5:35 PM, David Miller wrote:
From: John Fastabend john.r.fastab...@intel.com
Date: Mon, 19 Mar 2012 17:27:00 -0700
Dave, its probably fine to push this to 3.5 then.
Fair enough.
Stephen, please let me know if you see any issues though
because without these we have no way
is appreciated!
---
John Fastabend (4):
ixgbe: enable FDB netdevice ops
net: add fdb generic dump routine
net: addr_list: add exclusive dev_uc_add
net: add generic PF_BRIDGE:RTM_XXX FDB hooks
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 59
include/linux/neighbour.h
lists.
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
include/linux/netdevice.h |1 +
net/core/dev_addr_lists.c | 19 +++
2 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3963992
This adds a generic dump routine drivers can call. It
should be sufficient to handle any bridging model that
uses the unicast address list. This should be most SR-IOV
enabled NICs.
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
net/core/rtnetlink.c | 56
Enable FDB ops on ixgbe when in SR-IOV mode.
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 59 +
1 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
opinion that the merit of this patch is now embedded and SW
bridges can both be modeled correctly in user space using very nearly
the same message passing.
[1] 'br' tool was published as an RFC here and will be renamed 'bridge'
http://patchwork.ozlabs.org/patch/117664/
Signed-off-by: John
On 3/9/2012 7:48 PM, Stephen Hemminger wrote:
Enable FDB ops on ixgbe when in SR-IOV mode.
Signed-off-by: John Fastabend john.r.fastab...@intel.com
Will all this break anything on the vf client? What if the vf is running
a bridge.
No shouldn't break anything.
Actually, implementing
On 3/5/2012 8:53 AM, Lennert Buytenhek wrote:
On Tue, Feb 28, 2012 at 08:40:06PM -0800, John Fastabend wrote:
Also if there are embedded switches with learning capabilities they
might want to trigger events to user space. In this case having
a protocol type makes user space a bit easier
On 3/1/2012 6:14 AM, Michael S. Tsirkin wrote:
On Wed, Feb 29, 2012 at 09:25:56AM -0800, John Fastabend wrote:
Agreed. I think adding some ndo_ops for bridging offloads here would
work. For example the DSA infrastructure and/or macvlan devices might
need this. Along the lines of extending
On 3/1/2012 5:36 AM, Jamal Hadi Salim wrote:
On Wed, 2012-02-29 at 10:19 -0800, John Fastabend wrote:
I want to see a unified API so that user space control applications (RSTP,
TRILL?)
can use one set of netlink calls for both software bridge and hardware
offloaded
bridges. Does
On 2/29/2012 5:56 AM, Jamal Hadi Salim wrote:
On Tue, 2012-02-28 at 20:40 -0800, John Fastabend wrote:
OK back to this. The last piece is where to put these messages...
we could take PF_ROUTE:RTM_*NEIGH
PF_ROUTE:RTM_NEWNEIGH - Add a new FDB entry to an offloaded
On 2/29/2012 9:52 AM, Stephen Hemminger wrote:
On Wed, 29 Feb 2012 09:25:56 -0800
John Fastabend john.r.fastab...@intel.com wrote:
On 2/29/2012 5:56 AM, Jamal Hadi Salim wrote:
On Tue, 2012-02-28 at 20:40 -0800, John Fastabend wrote:
OK back to this. The last piece is where to put
On 2/18/2012 4:41 AM, jamal wrote:
On Fri, 2012-02-17 at 09:10 -0800, John Fastabend wrote:
Yes I agree that is the goal.
One last comment:
With synchronization there are other challenges when the entry in the
hardware conflicts with the entry in software when you intend the
behavior
On 2/28/2012 8:40 PM, John Fastabend wrote:
On 2/18/2012 4:41 AM, jamal wrote:
On Fri, 2012-02-17 at 09:10 -0800, John Fastabend wrote:
Yes I agree that is the goal.
One last comment:
With synchronization there are other challenges when the entry in the
hardware conflicts with the entry
with --kernel being a seabios image, and using switches to set the
load address at e and the initial IP at 0. Of course, now that
I know the memory is reflected to high memory too, the initial IP
could just as easily be fff0.
Anyway, John, can you give us a look at a patch please?
ron
.
If I disable boot menu support from SeaBIOS, I'm now seeing this PCI
out of address space error which I suppose is what Ron and John were
talking about earlier:
[snip, snip]
So looking at SeaBIOS code, it seems to me we could simply make LKVM
lie to it by claiming to be coreboot and get away
Here are some small changes I made to get SeaBIOS to work on lkvm.
Some may not be entirely needed.
Oh, and I've also attached the .config I used.
John
On Fri, Feb 24, 2012 at 11:29 AM, John Floren j...@jfloren.net wrote:
On Fri, Feb 24, 2012 at 11:18 AM, Pekka Enberg penb...@kernel.org wrote
On 2/17/2012 6:28 AM, jamal wrote:
On Wed, 2012-02-15 at 17:26 -0800, John Fastabend wrote:
On 2/15/2012 6:10 AM, Jamal Hadi Salim wrote:
On Tue, 2012-02-14 at 10:57 -0800, John Fastabend wrote:
Roopa was likely on the right track here,
http://patchwork.ozlabs.org/patch/123064/
Doesnt
On 2/15/2012 6:10 AM, Jamal Hadi Salim wrote:
On Tue, 2012-02-14 at 10:57 -0800, John Fastabend wrote:
Roopa was likely on the right track here,
http://patchwork.ozlabs.org/patch/123064/
Doesnt seem related to the bridging stuff - the modeling looks
reasonable however.
The operations
On 2/14/2012 5:18 AM, jamal wrote:
On Mon, 2012-02-13 at 07:13 -0800, John Fastabend wrote:
The use case here is multiple VFs but the same solution should work with
multiple PFs as well. FDB controls should be independent of how the ports
are exposed VFs, PFs, VMDQ/queue pairs, macvlan, etc
On 2/14/2012 11:05 AM, Stephen Hemminger wrote:
On Tue, 14 Feb 2012 10:57:04 -0800
John Fastabend john.r.fastab...@intel.com wrote:
On 2/14/2012 5:18 AM, jamal wrote:
On Mon, 2012-02-13 at 07:13 -0800, John Fastabend wrote:
The use case here is multiple VFs but the same solution should
On 2/10/2012 7:18 AM, jamal wrote:
Hi John,
I went backwards to summarize at the top after going through your email.
TL;DR version 0.1:
you provide a good use case where it makes sense to do things in the
kernel. IMO, you could make the same arguement if your embedded switch
could do
On 2/8/2012 8:36 PM, Stephen Hemminger wrote:
On Wed, 08 Feb 2012 19:22:06 -0800
John Fastabend john.r.fastab...@intel.com wrote:
Propagate software FDB table into hardware uc, mc lists when
the NETIF_F_HW_FDB is set.
This resolves the case below where an embedded switch is used
On 2/9/2012 9:40 AM, Stephen Hemminger wrote:
On Thu, 09 Feb 2012 09:36:47 -0800
John Fastabend john.r.fastab...@intel.com wrote:
But the device features makes it easy for user space to learn that the device
supports this sort of offload. Now if all SR-IOV devices support
On 2/9/2012 10:14 AM, Sridhar Samudrala wrote:
On Wed, 2012-02-08 at 19:22 -0800, John Fastabend wrote:
Propagate software FDB table into hardware uc, mc lists when
the NETIF_F_HW_FDB is set.
This resolves the case below where an embedded switch is used
in hardware to do inter-VF or VF-PF
On 2/9/2012 4:39 PM, Sridhar Samudrala wrote:
On Thu, 2012-02-09 at 12:30 -0800, John Fastabend wrote:
On 2/9/2012 10:14 AM, Sridhar Samudrala wrote:
On Wed, 2012-02-08 at 19:22 -0800, John Fastabend wrote:
Propagate software FDB table into hardware uc, mc lists when
the NETIF_F_HW_FDB is set
On 2/9/2012 1:11 PM, jamal wrote:
On Thu, 2012-02-09 at 09:52 -0800, John Fastabend wrote:
By netlink_notifier do you mean adding a notifier_block and using
atomic_notifier_call_chain()
probably in rtnl_notify()? Then drivers could register with the notifier
chain
On 2/9/2012 6:14 PM, John Fastabend wrote:
On 2/9/2012 1:11 PM, jamal wrote:
On Thu, 2012-02-09 at 09:52 -0800, John Fastabend wrote:
By netlink_notifier do you mean adding a notifier_block and using
atomic_notifier_call_chain()
probably in rtnl_notify()? Then drivers could register
On 2/5/2012 8:54 AM, Roopa Prabhu wrote:
On 2/3/12 7:32 AM, Roopa Prabhu ropra...@cisco.com wrote:
On 2/2/12 10:58 AM, John Fastabend john.r.fastab...@intel.com wrote:
snip..
Are you sure they will be good to have? I'm not so sure you want to be
able to manipulate the uc and mc
://lists.openwall.net/netdev/2011/11/08/135
Signed-off-by: John Fastabend john.r.fastab...@intel.com
---
include/linux/netdev_features.h |2 ++
net/bridge/br_fdb.c | 34 ++
2 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/include/linux
-by: John Fastabend john.r.fastab...@intel.com
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 35 +
1 files changed, 24 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index
the latest
virtio drivers from Fedora.
Thanks,
-- John
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.
Thanks,
John
+/* MACVLAN ADDRLIST management section
+ *
+ * Contains attributes to expose multicast and unicast hardware
+ * RX address filters to user space.
+ *
+ * FIELDS:
+ * - IFLA_ADDRLIST_{UC|MC}
+ *
+ * Read only attributes, returns currently set mc or uc addr list
On 2/2/2012 12:50 AM, Michael S. Tsirkin wrote:
On Thu, Feb 02, 2012 at 12:46:57AM -0800, John Fastabend wrote:
On 2/1/2012 11:24 PM, Michael S. Tsirkin wrote:
On Sun, Nov 20, 2011 at 08:30:24AM -0800, Roopa Prabhu wrote:
On 11/17/11 4:15 PM, Ben Hutchings bhutchi...@solarflare.com wrote
On 2/2/2012 10:07 AM, Roopa Prabhu wrote:
On 2/2/12 12:46 AM, John Fastabend john.r.fastab...@intel.com wrote:
On 2/1/2012 11:24 PM, Michael S. Tsirkin wrote:
On Sun, Nov 20, 2011 at 08:30:24AM -0800, Roopa Prabhu wrote:
On 11/17/11 4:15 PM, Ben Hutchings bhutchi...@solarflare.com
On 2/2/2012 12:38 PM, Ben Hutchings wrote:
On Thu, 2012-02-02 at 00:46 -0800, John Fastabend wrote:
[...]
OK finally got to read through this. And its not clear to me why we need
these per VF/PF filter netdevice ops and netlink extensions if we can
get the stacking correct. (Adding filters
I think I tracked down that problem, it should clear itself up in the
next hour or so, and the missing e-mails should start arriving.
- John 'Warthog9' Hawley
Chief Kernel.org Administrator
On 01/13/2012 12:05 AM, Ren, Yongjie wrote:
When someone comments in a bug in kernel.org's bugzilla
hard or
you'll start affecting other services but it's alive.
- John
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On Tue, 8 Nov 2011, Ted Ts'o wrote:
On Tue, Nov 08, 2011 at 01:55:09PM +0100, Ingo Molnar wrote:
I guess you can do well with a split project as well - my main claim
is that good compatibility comes *naturally* with integration.
Here I have to disagree; my main worry is that
.
Anyway, here's my commanto run it, with npt=0 in the kvm_amd modules.
kvm -no-acpi -no-hpet -cpu 486 -hda hda-caroline486.image -M isapc \
-m 4 -vga std
and I'll see about changing the defaults back on.
Thanks,
John
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Avi == Avi Kivity a...@redhat.com writes:
Avi On 10/18/2011 02:59 AM, John Stoffel wrote:
Hi Guys,
I'm not a subscriber to the kvm mailing list, so please copy me in
your replies.
I've got an old image of an i486 disk running (I think!) Windows 3.1
which I want to bring up and play
John == John Stoffel j...@stoffel.org writes:
Avi == Avi Kivity a...@redhat.com writes:
Avi On 10/18/2011 02:59 AM, John Stoffel wrote:
Hi Guys,
I'm not a subscriber to the kvm mailing list, so please copy me in
your replies.
I've got an old image of an i486 disk running (I think
gone, but I think it was a Gateway. Total guess.
Thanks for any hints,
John
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On Aug 9, 2011, at 5:13 AM, Avi Kivity wrote:
On 08/08/2011 10:18 PM, John Paul Walters wrote:
On Jul 21, 2011, at 2:10 AM, Avi Kivity wrote:
On 07/21/2011 02:20 AM, John Paul Walters wrote:
Hi,
We have a 256 core SGI Ultraviolet machine running RHEL 6.1 with
qemu-kvm 0.13
On Jul 21, 2011, at 2:10 AM, Avi Kivity wrote:
On 07/21/2011 02:20 AM, John Paul Walters wrote:
Hi,
We have a 256 core SGI Ultraviolet machine running RHEL 6.1 with qemu-kvm
0.13, and we'd like to be able to start large guest VMs of up to 256 cores.
I see that x86 guests are currently
write will simply toss the
guest passed data without interpretation. While this treatment
of BBL_CR_CTL3 addresses the immediate problem, the approach may
be modified pending clarification from Intel.
Signed-off-by: john cooper john.coo...@redhat.com
---
diff --git a/arch/x86/include/asm/msr
Marcelo Tosatti wrote:
On Sat, Jan 08, 2011 at 12:05:14AM -0500, john cooper wrote:
A correction to Intel cpu model CPUID data (patch queued)
caused winxp-64 to BSOD when booted with a Penryn model.
This was traced to the CPUID model field correction from
6 - 23 (as is proper for a Penryn
this treatment
of BBL_CR_CTL3 addresses the immediate problem, the approach may
be modified pending clarification from Intel.
Signed-off-by: john cooper john.coo...@redhat.com
---
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 6b89f5e..145cd60 100644
--- a/arch
();
+
+ } while (read_seqretry(xtime_lock, seq));
+ return nsecs + (secs * NSEC_PER_SEC);
+}
+EXPORT_SYMBOL_GPL(getnsboottime);
You forgot to include the boottime.tv_sec/nsec offset in this. Take a
look again at getboottime()
thanks
-john
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On Fri, 2010-08-20 at 13:37 -1000, Zachary Amsden wrote:
On 08/20/2010 08:39 AM, john stultz wrote:
On Thu, 2010-08-19 at 22:07 -1000, Zachary Amsden wrote:
Add a kernel call to get the number of nanoseconds since boot. This
is generally useful enough to make it a generic call
At this point it feels too nitpicky to suggest anything else, so go
ahead and use boottime_ns and we'll refine things if anyone actually
trips up on it.
thanks
-john
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More
On Tue, Aug 17, 2010 at 3:13 AM, Avi Kivity a...@redhat.com wrote:
On 08/17/2010 09:58 AM, Christian Theune wrote:
Hi,
I've been plugging through code and presentations trying to find out
whether the KVM/qemu side of vhost-net has been released yet. The git
archive seems to include the
On Mon, 2010-08-02 at 21:50 +0100, Stefan Hajnoczi wrote:
On Mon, Aug 2, 2010 at 6:46 PM, Anthony Liguori anth...@codemonkey.ws wrote:
On 08/02/2010 12:15 PM, John Leach wrote:
Hi,
I've come across a problem with read and write disk IO performance when
using O_DIRECT from within a kvm
On Tue, 2010-08-03 at 09:35 +0300, Dor Laor wrote:
On 08/02/2010 11:50 PM, Stefan Hajnoczi wrote:
On Mon, Aug 2, 2010 at 6:46 PM, Anthony Liguorianth...@codemonkey.ws
wrote:
On 08/02/2010 12:15 PM, John Leach wrote:
Hi,
I've come across a problem with read and write disk IO
On Tue, 2010-08-03 at 17:44 +0300, Avi Kivity wrote:
On 08/03/2010 05:40 PM, John Leach wrote:
dd if=/dev/mapper/zero of=/dev/null bs=8k count=100 iflag=direct
819200 bytes (8.2 GB) copied, 3.46529 s, 2.4 GB/s
dd if=/dev/mapper/zero of=/dev/null bs=8k count=100
819200
(R) Xeon(R) L5640 2.27GHz CPUs (running only one kvm guest
with 1G ram). Host disk scheduler is deadline, guest disk scheduler is
noop.
Guest distro is Ubuntu Lucid, 2.6.32-22-server. I've tried with both
32bit pae and 64bit guest kernels.
Anyone got any thoughts on this?
Thanks,
John
documents from Intel mentioning KVM, but still nothing explicitly
saying one way or the other.
Can anyone help me out?
Thanks,
John
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, use of qemu could be interesting. Can't
say I've built it other than linked against glibc and an
extensive list of runtime libraries. Although I've never
tried to configure-down that dependency.
-john
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buffer, we must be careful to
copy up to the NULL (if it present) and only 20 if it is longer and not to
attempt to NULL terminate; this isn't needed.
Signed-off-by: Ryan Harper ry...@us.ibm.com
Signed-off-by: john cooper john.coo...@redhat.com
---
drivers/block/virtio_blk.c | 32
Ryan Harper wrote:
* john cooper john.coo...@redhat.com [2010-06-21 01:11]:
Rusty Russell wrote:
On Sat, 19 Jun 2010 04:08:02 am Ryan Harper wrote:
Create a new attribute for virtio-blk devices that will fetch the serial
number
of the block device. This attribute can be used by udev
Rusty Russell wrote:
On Tue, 22 Jun 2010 02:13:21 am Ryan Harper wrote:
* john cooper john.coo...@redhat.com [2010-06-21 01:11]:
Rusty Russell wrote:
/* id_str is not necessarily nul-terminated! */
buf[VIRTIO_BLK_ID_BYTES] = '\0';
return virtblk_get_id(disk, buf);
The /sys file
.
If John Cooper acks this, I'll push it to Linus immediately.
Actually I'm the one who suggested removing it.
The code in question was only intended as example
usage of accessing the s/n data in the driver, for
the /sys interface under discussion back then.
That effort subsequently stalled and Ryan had
or time.h.
You might also want a more descriptive name, since get_kernel_ns()
doesn't really express that this is the bootbased monotonic time.
The similar sounding current_kernel_time() returns a coarse tick
granular CLOCK_REALTIME, so it could lead to confusion.
thanks
-john
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basis seems complex. I believe a practical approximation
to this are adaptive mutexes where upon hitting a spin
time threshold, punt and let the scheduler reconcile fairness.
-john
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