Christoph Hellwig h...@lst.de writes:
On Fri, Jul 22, 2011 at 04:51:17PM +0200, Hannes Reinecke wrote:
Not every command is support for any device type. This patch adds
a check for rejecting unsupported commands.
Signed-off-by: Hannes Reinecke h...@suse.de
This seems to conflic with
On 07/27/2011 12:26 PM, Gleb Natapov wrote:
On Wed, Jul 27, 2011 at 09:47:52AM +0800, Xiao Guangrong wrote:
On 07/26/2011 08:27 PM, Gleb Natapov wrote:
On Tue, Jul 26, 2011 at 07:26:46PM +0800, Xiao Guangrong wrote:
We usually use repeat string instructions to clear the page, for example,
By
Hi everyone:
I had a problem yesterday with a virtual machine and I was not very
sure to whom I should report it so I much appreciate your opinion
about it.
I have a virtual machine that has a couple of CDROM drives attached
with their ISO image each. The ISOs are read from a NFS mounted
On Wed, Jul 27, 2011 at 8:17 AM, Igor Blanco ibla...@binovo.es wrote:
Hi everyone:
I had a problem yesterday with a virtual machine and I was not very
sure to whom I should report it so I much appreciate your opinion
about it.
I have a virtual machine that has a couple of CDROM drives
On Mon, Jul 25, 2011 at 7:25 PM, Lucas Meneghel Rodrigues
l...@redhat.com wrote:
Hi folks, a little later than expected, here are the docs that explain how
to run KVM autotest tests on an existing guest image:
http://autotest.kernel.org/wiki/KVMAutotest/RunTestsExistingGuest
Since we are
On Tue, Jul 26, 2011 at 06:08:09PM -0400, Donald Dutile wrote:
The bcm5761 provides a PCIe Cap structure (capid=0x10)
that is invalid, providing one that is 8 bytes shorter
than the v2 PCIe spec defines.
This leads to a memory corruption when mapped for device-assigment.
Add a check in
On Wed, Jul 27, 2011 at 02:32:43PM +0800, Xiao Guangrong wrote:
On 07/27/2011 12:26 PM, Gleb Natapov wrote:
On Wed, Jul 27, 2011 at 09:47:52AM +0800, Xiao Guangrong wrote:
On 07/26/2011 08:27 PM, Gleb Natapov wrote:
On Tue, Jul 26, 2011 at 07:26:46PM +0800, Xiao Guangrong wrote:
We
On Thu, Jul 21, 2011 at 08:14:34PM +0200, Jan Kiszka wrote:
Update of the unmerged half of this series. It logically depends on
pci: Common overflow prevention, but not mechanically. Changes in this
release only affect the 6th patch. It gained support for 3-byte config
space accesses, received
On 07/27/2011 11:00 AM, Michael S. Tsirkin wrote:
On Thu, Jul 21, 2011 at 08:14:34PM +0200, Jan Kiszka wrote:
Update of the unmerged half of this series. It logically depends on
pci: Common overflow prevention, but not mechanically. Changes in this
release only affect the 6th patch. It
On Tue, Jul 26, 2011 at 12:57:44PM +0200, André Weidemann wrote:
Hi,
On 26.07.2011 12:08, Gleb Natapov wrote:
On Tue, Jul 26, 2011 at 07:29:04AM +0200, André Weidemann wrote:
On 07.07.2011 07:26, André Weidemann wrote:
Hi,
I am running Windows7 x64 in a VM which crashes after starting a
On 07/26/2011 02:25 PM, Xiao Guangrong wrote:
kvm_mmu_pte_write is unsafe since we need to alloc pte_list_desc in the
function when spte is prefetched, unfortunately, we can not know how many
spte need to be prefetched on this path, that means we can use out of the
free pte_list_desc object in
On 07/26/2011 02:26 PM, Xiao Guangrong wrote:
We usually use repeat string instructions to clear the page, for example,
we call memset to clear a page table, stosb is used in this function, and
repeated for 1024 times, that means we should occupy mmu lock for 1024 times
and walking shadow page
On 07/26/2011 02:28 PM, Xiao Guangrong wrote:
In current code, the accessed bit is always set when page fault occurred,
do not need to set it on pte write path
Is this true? a write with pte.w=pte.a=0 sets pte.a?
--
error compiling committee.c: too many arguments to function
--
To
On 07/26/2011 02:31 PM, Xiao Guangrong wrote:
If the shadow page has different cpu mode with current vcpu, we do better
remove them since the OS does not changes cpu mode frequently
This is true, but is it really needed? Won't such pages be torn down
very quickly anyway, and will never be
Thanks done:
https://bugs.launchpad.net/qemu/+bug/816860
2011/7/27 Stefan Hajnoczi stefa...@gmail.com:
On Wed, Jul 27, 2011 at 8:17 AM, Igor Blanco ibla...@binovo.es wrote:
Hi everyone:
I had a problem yesterday with a virtual machine and I was not very
sure to whom I should report it so I
On 07/27/2011 12:11 PM, Avi Kivity wrote:
On 07/26/2011 02:31 PM, Xiao Guangrong wrote:
If the shadow page has different cpu mode with current vcpu, we do
better
remove them since the OS does not changes cpu mode frequently
This is true
It's actually not true. With nested virtualization
On 07/26/2011 02:31 PM, Xiao Guangrong wrote:
Sometimes, we only modify the last one byte of a pte to update status bit,
for example, clear_bit is used to clear r/w bit in linux kernel and 'andb'
instruction is used in this function, in this case, kvm_mmu_pte_write will
treat it as misaligned
On 07/26/2011 02:32 PM, Xiao Guangrong wrote:
Detecting write-flooding does not work well, when we handle page written, if
the last speculative spte is not accessed, we treat the page is
write-flooding, however, we can speculative spte on many path, such as pte
prefetch, page synced, that means
On 07/27/2011 01:08 AM, Donald Dutile wrote:
The bcm5761 provides a PCIe Cap structure (capid=0x10)
that is invalid, providing one that is 8 bytes shorter
than the v2 PCIe spec defines.
This leads to a memory corruption when mapped for device-assigment.
Add a check in
On 07/27/2011 03:51 PM, Gleb Natapov wrote:
On Wed, Jul 27, 2011 at 02:32:43PM +0800, Xiao Guangrong wrote:
On 07/27/2011 12:26 PM, Gleb Natapov wrote:
On Wed, Jul 27, 2011 at 09:47:52AM +0800, Xiao Guangrong wrote:
On 07/26/2011 08:27 PM, Gleb Natapov wrote:
On Tue, Jul 26, 2011 at
On 07/27/2011 05:00 PM, Avi Kivity wrote:
On 07/26/2011 02:25 PM, Xiao Guangrong wrote:
kvm_mmu_pte_write is unsafe since we need to alloc pte_list_desc in the
function when spte is prefetched, unfortunately, we can not know how many
spte need to be prefetched on this path, that means we can
On 07/27/2011 05:04 PM, Avi Kivity wrote:
On 07/26/2011 02:26 PM, Xiao Guangrong wrote:
We usually use repeat string instructions to clear the page, for example,
we call memset to clear a page table, stosb is used in this function, and
repeated for 1024 times, that means we should occupy mmu
On 07/27/2011 05:08 PM, Avi Kivity wrote:
On 07/26/2011 02:28 PM, Xiao Guangrong wrote:
In current code, the accessed bit is always set when page fault occurred,
do not need to set it on pte write path
Is this true? a write with pte.w=pte.a=0 sets pte.a?
Generally, we will call
On 07/27/2011 05:13 PM, Avi Kivity wrote:
On 07/27/2011 12:11 PM, Avi Kivity wrote:
On 07/26/2011 02:31 PM, Xiao Guangrong wrote:
If the shadow page has different cpu mode with current vcpu, we do better
remove them since the OS does not changes cpu mode frequently
This is true
It's
On 07/27/2011 05:15 PM, Avi Kivity wrote:
On 07/26/2011 02:31 PM, Xiao Guangrong wrote:
Sometimes, we only modify the last one byte of a pte to update status bit,
for example, clear_bit is used to clear r/w bit in linux kernel and 'andb'
instruction is used in this function, in this case,
On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote:
Welcome to give me your comments, thanks.
Signed-off-by: Zhi Yong Wu wu...@linux.vnet.ibm.com
---
Makefile.objs | 2 +-
block.c | 288
On 07/27/2011 05:23 PM, Avi Kivity wrote:
On 07/26/2011 02:32 PM, Xiao Guangrong wrote:
Detecting write-flooding does not work well, when we handle page written, if
the last speculative spte is not accessed, we treat the page is
write-flooding, however, we can speculative spte on many path,
On 07/27/2011 01:20 PM, Xiao Guangrong wrote:
}
I think this is a little dangerous. A guest kernel may be instantiating
multiple gptes on a page fault, but guest userspace hits only one of them (the one
which caused the page fault) - I think Windows does this, but I'm not sure.
I
On 07/25/2011 09:58 PM, Conny Seidel wrote:
Add runtime detection of 32bit libraries to prevent build fails.
Applied, thanks.
--
error compiling committee.c: too many arguments to function
--
To unsubscribe from this list: send the line unsubscribe kvm in
the body of a message to
On 07/25/2011 09:01 PM, Randy Dunlap wrote:
From: Randy Dunlaprdun...@xenotime.net
Fix kconfig dependency warning:
warning: (KVM) selects TASK_DELAY_ACCT which has unmet direct dependencies
(TASKSTATS)
Applied, thanks.
--
error compiling committee.c: too many arguments to function
--
To
On 07/25/2011 03:48 PM, Conny Seidel wrote:
Since the -enable-nesting option is no longer available remove the
option from the config file.
Applied, thanks.
--
error compiling committee.c: too many arguments to function
--
To unsubscribe from this list: send the line unsubscribe kvm in
the
On 07/24/2011 09:15 AM, Sasha Levin wrote:
Currently the method of dealing with an IO operation on a bus (PIO/MMIO)
is to call the read or write callback for each device registered
on the bus until we find a device which handles it.
Since the number of devices on a bus can be significant due to
On 07/23/2011 10:31 AM, Mike Waychison wrote:
Commit 0945d4b228 tried to fix the get_msr path for the
HV_X64_MSR_APIC_ASSIST_PAGE msr, but was poorly tested. We should be
returning 0 if the read succeeded, and passing the value back to the
caller via the pdata out argument, not returning the
On 07/22/2011 02:46 PM, Stefan Hajnoczi wrote:
Currently both perf and trace-cmd cannot parse the kvm:kvm_exit trace event
format. This patch is an attempt to make formatting work without changing the
kvm:kvm_exit prototype. Since this event is a core KVM operation, no doubt
there are existing
On 07/22/2011 03:47 AM, AP wrote:
I am trying to add 1366x768 resolution for standard VGA. I looked at
http://www.linux-kvm.org/page/FAQ#Can_I_have_higher_or_widescreen_resolutions_.28eg_1680_x_1050.29_in_KVM.3F
and
http://article.gmane.org/gmane.comp.emulators.kvm.devel/13557
I added a line
On Wed, Jul 20, 2011, Zachary Amsden wrote about Re: Nested VMX - L1 hangs on
running L2:
No, both patches are wrong.
kvm_get_msr(vcpu, MSR_IA32_TSC, tsc) should always return the L1 TSC,
regardless of the setting of any MSR bitmap. The reason why is that it
is being called by the L0
On Wed, 2011-07-27 at 14:35 +0300, Avi Kivity wrote:
On 07/24/2011 09:15 AM, Sasha Levin wrote:
Currently the method of dealing with an IO operation on a bus (PIO/MMIO)
is to call the read or write callback for each device registered
on the bus until we find a device which handles it.
On 07/27/2011 03:01 PM, Sasha Levin wrote:
-static inline struct kvm_pic *to_pic(struct kvm_io_device *dev)
+static inline struct kvm_pic *to_pic(struct kvm_io_device *dev, gpa_t
addr)
{
- return container_of(dev, struct kvm_pic, dev);
+ switch (addr) {
+ case
On Wed, Jul 27, 2011 at 02:47:20PM +0300, Avi Kivity wrote:
On 07/22/2011 02:46 PM, Stefan Hajnoczi wrote:
In practice both perf and trace-cmd are not happy with the new exit_reason
formatting expression (omitting the details and split across lines for easy
email reading here):
print fmt:
On Wed, Jul 27, 2011 at 11:17 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote:
On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote:
Welcome to give me your comments, thanks.
Signed-off-by: Zhi Yong Wu
On 07/27/2011 03:55 PM, Stefan Hajnoczi wrote:
trace-cmd has a plugin API (and a kvm plugin) that you can use for
this, and I expect perf either does as well or can make use of one.
I don't think it's useful to complicate the print format description
further to support our weird use
Currently the method of dealing with an IO operation on a bus (PIO/MMIO)
is to call the read or write callback for each device registered
on the bus until we find a device which handles it.
Since the number of devices on a bus can be significant due to ioeventfds
and coalesced MMIO zones, this
On Wed, 2011-07-27 at 15:59 +0300, Avi Kivity wrote:
On 07/27/2011 03:55 PM, Stefan Hajnoczi wrote:
trace-cmd has a plugin API (and a kvm plugin) that you can use for
this, and I expect perf either does as well or can make use of one.
I don't think it's useful to complicate the
On Wed, Jul 27, 2011 at 06:17:15PM +0800, Zhi Yong Wu wrote:
+ wait_time = 1;
+ }
+
+ wait_time = wait_time + (slice_time - elapsed_time);
+ if (wait) {
+ *wait = wait_time * BLOCK_IO_SLICE_TIME * 10 + 1;
+ }
The guest can keep submitting requests where
Hi,
On Mon, Jul 25, 2011 at 3:18 PM, Jan Kiszka jan.kis...@siemens.com wrote:
OK, hacks below plus the following three patches make CPU hotplug work
again - with some exceptions. Here are the patches:
1. http://thread.gmane.org/gmane.comp.emulators.kvm.devel/76484
2.
Folks,
I'm looking for some help on guest network configuration when enabling VT-d.
I have fully completed steps given on
http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM on
detaching and assigning VFs to KVM.
I can see Virtual Functions PCIs on the guest. However I cannot
On Mon, Jul 25, 2011 at 10:27 AM, Pekka Enberg penb...@kernel.org wrote:
Here's the same pull request with a small fixlet for a compile-time problem
reported by Ingo Molnar.
Ok, having thought this over, I'm going to skip the KVM tool merge
this merge window. You'll need to convince me it's
Hello!
I am using Fedora 14 with kernel and qemu-kvm from Fedora 15:
[root@serv ~]# qemu-kvm --help | head -1
QEMU emulator version 0.14.0 (qemu-kvm-0.14.0), Copyright (c)
2003-2008 Fabrice Bellard
[root@serv ~]# uname -a
Linux serv 2.6.38.8-35.fc15.x86_64 #1 SMP Wed Jul 6 13:58:54 UTC 2011
On Wed, Jul 27, 2011 at 8:58 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Wed, Jul 27, 2011 at 11:17 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote:
On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote:
Welcome
On 07/27/2011 07:08 PM, Avi Kivity wrote:
On 07/27/2011 01:20 PM, Xiao Guangrong wrote:
}
I think this is a little dangerous. A guest kernel may be instantiating
multiple gptes on a page fault, but guest userspace hits only one of them
(the one which caused the page fault) - I
On Wed, Jul 27, 2011 at 11:49 PM, Marcelo Tosatti mtosa...@redhat.com wrote:
On Wed, Jul 27, 2011 at 06:17:15PM +0800, Zhi Yong Wu wrote:
+ wait_time = 1;
+ }
+
+ wait_time = wait_time + (slice_time - elapsed_time);
+ if (wait) {
+ *wait = wait_time *
On Wed, Jul 27, 2011 at 8:58 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Wed, Jul 27, 2011 at 11:17 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote:
On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com wrote:
On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote:
Welcome
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