On Fri, Dec 9, 2011 at 5:04 AM, Andreas Färber wrote:
> Thanks for extending the commit description. Please see this for a
> template though:
>
> http://live.gnome.org/Git/CommitMessages
>
> Looks like there's an empty line missing between subject and description
> (and the space after "target-mip
On 29/12/11 00:43, Michael S. Tsirkin wrote:
On Wed, Dec 28, 2011 at 06:35:55PM +1300, Alexey Korolev wrote:
All devices behind a bridge need to have all their regions consecutive and
not overlapping with all the normal memory ranges.
Since prefetchable memory is described by one record, we must
On 29/12/11 00:43, Michael S. Tsirkin wrote:
On Wed, Dec 28, 2011 at 06:35:55PM +1300, Alexey Korolev wrote:
All devices behind a bridge need to have all their regions consecutive and
not overlapping with all the normal memory ranges.
Since prefetchable memory is described by one record, we must
@@ -69,6 +72,8 @@ static enum pci_region_type pci_addr_to_type(u32 addr)
{
if (addr& PCI_BASE_ADDRESS_SPACE_IO)
return PCI_REGION_TYPE_IO;
+if (addr& PCI_BASE_ADDRESS_MEM_TYPE_64)
+return PCI_REGION_TYPE_PREFMEM_64;
This seems dangerous - a 64bit bar can be non-p
On 29/12/11 15:56, Kevin O'Connor wrote:
On Wed, Dec 28, 2011 at 06:26:05PM +1300, Alexey Korolev wrote:
This patch adds PCI_REGION_TYPE_PREFMEM_64 region type and modifies types of
variables to make it possible to work with 64 bit addresses.
Why I've added just one region type PCI_REGION_TYPE_
On 29/12/11 00:30, Michael S. Tsirkin wrote:
On Wed, Dec 28, 2011 at 06:26:05PM +1300, Alexey Korolev wrote:
This patch adds PCI_REGION_TYPE_PREFMEM_64 region type and modifies types of
variables to make it possible to work with 64 bit addresses.
Why I've added just one region type PCI_REGION_T
On Wed, Dec 28, 2011 at 06:26:05PM +1300, Alexey Korolev wrote:
> This patch adds PCI_REGION_TYPE_PREFMEM_64 region type and modifies types of
> variables to make it possible to work with 64 bit addresses.
>
> Why I've added just one region type PCI_REGION_TYPE_PREFMEM_64 and haven't
> added PCI_R
Signed-off-by: Isaku Yamahata
---
arch_init.c | 25 ++---
arch_init.h |9 +
2 files changed, 27 insertions(+), 7 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 5ad6956..d55e39c 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -335,21 +335,22 @@ int ram_s
Those will be used by postcopy.
Signed-off-by: Isaku Yamahata
---
hw/hw.h |3 +++
savevm.c |6 +++---
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/hw/hw.h b/hw/hw.h
index efa04d1..0b481ba 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -77,6 +77,9 @@ void qemu_put_be32(QEMUFile
Add enable/disable postcopy mode. No dynamic test yet.
Signed-off-by: Isaku Yamahata
---
configure | 12
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/configure b/configure
index 640e815..440fa9e 100755
--- a/configure
+++ b/configure
@@ -190,6 +190,7 @@ opengl="
Signed-off-by: Isaku Yamahata
---
arch_init.c | 28 +---
migration.h |1 +
2 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 982c846..249b440 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -261,9 +261,24 @@ void ram_save_
Signed-off-by: Isaku Yamahata
---
arch_init.c | 21 ++---
migration.h |1 +
2 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index d55e39c..9bc313e 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -243,6 +243,19 @@ void sort_ram_list(voi
Signed-off-by: Isaku Yamahata
---
scripts/update-linux-headers.sh |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh
index 9d2a4bc..2afdd54 100755
--- a/scripts/update-linux-headers.sh
+++ b/scripts/update-li
Signed-off-by: Isaku Yamahata
---
arch_init.c | 67 +-
arch_init.h |1 +
2 files changed, 39 insertions(+), 29 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 249b440..bc53092 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -3
Introduce a new method to drain the buffer of QEMUBufferedFile.
When postcopy migration, buffer size can increase unboundedly.
To keep the buffer size reasonably small, introduce the method to
wait for buffer to drain.
Signed-off-by: Isaku Yamahata
---
buffered_file.c | 20 +++-
Introduce RAM_SAVE_VERSION_ID to represent version_id for ram save format.
Signed-off-by: Isaku Yamahata
---
arch_init.c |2 +-
arch_init.h |2 ++
vl.c|4 ++--
3 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 4ede5ad..5ad6956 1006
Signed-off-by: Isaku Yamahata
---
mm/memcontrol.c |1 +
mm/shmem.c |1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b63f5f7..85530fc 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2807,6 +2807,7 @@ int mem_cgroup_cac
This will be used by postcopy.
Signed-off-by: Isaku Yamahata
---
arch_init.c |4 ++--
migration.h |2 ++
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index d4c92b0..1947396 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -112,7 +112,7 @@ static i
This is Linux kernel driver for qemu/kvm postcopy live migration.
This is used by qemu/kvm postcopy live migration patch.
TODO:
- Consider FUSE/CUSE option
So far several mmap patches for FUSE/CUSE are floating around. (their
purpose isn't different from our purpose, though). They haven't merg
Those constants will be also used by postcopy.
Signed-off-by: Isaku Yamahata
---
arch_init.c |7 ---
arch_init.h |7 +++
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 1947396..4ede5ad 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -
Signed-off-by: Isaku Yamahata
---
exec-obsolete.h |1 +
exec.c |4 ++--
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/exec-obsolete.h b/exec-obsolete.h
index 34b9fc5..8f69f1c 100644
--- a/exec-obsolete.h
+++ b/exec-obsolete.h
@@ -25,6 +25,7 @@
#ifndef CONFIG_U
Signed-off-by: Isaku Yamahata
---
arch_init.c | 82 +++---
arch_init.h |1 +
2 files changed, 45 insertions(+), 38 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 9bc313e..982c846 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -1
Intro
=
This patch series implements postcopy live migration.[1]
As discussed at KVM forum 2011, dedicated character device is used for
distributed shared memory between migration source and destination.
Now we can discuss/benchmark/compare with precopy. I believe there are
much rooms for impro
Signed-off-by: Isaku Yamahata
---
cpu-all.h |2 ++
exec.c| 51 +--
2 files changed, 31 insertions(+), 22 deletions(-)
diff --git a/cpu-all.h b/cpu-all.h
index 9d78715..0244f7a 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -496,6 +496,8 @@ ext
This will be used by postcopy migration.
Signed-off-by: Isaku Yamahata
---
migration.c |4 ++--
migration.h |2 ++
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/migration.c b/migration.c
index 412fdfe..057dde7 100644
--- a/migration.c
+++ b/migration.c
@@ -166,7 +166,7 @
This patch prepares for postcopy livemigration.
It introduces -postcopy option and its internal flag, migration_postcopy.
It introduces -postcopy-flags for chaging the behavior of incoming postcopy
mainly for benchmark/debug.
Signed-off-by: Isaku Yamahata
postcopy: introduce -postcopy-flags opti
Signed-off-by: Isaku Yamahata
---
linux-headers/linux/umem.h | 83
1 files changed, 83 insertions(+), 0 deletions(-)
create mode 100644 linux-headers/linux/umem.h
diff --git a/linux-headers/linux/umem.h b/linux-headers/linux/umem.h
new file mode 10
This will be used later by postcopy migration.
Signed-off-by: Isaku Yamahata
---
hw/hw.h |1 +
savevm.c |5 +
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/hw/hw.h b/hw/hw.h
index 0b481ba..d508b4e 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -80,6 +80,7 @@ int qemu_get_byt
On 29 December 2011 00:48, Xin Tong wrote:
> That is my guess as well in the first place, but my QEMU is built with
> CONFIG_IOTHREAD set to 0.
Your QEMU is old -- iothread is now the only option (the config
option to use not-iothread has gone away).
> I am not 100% sure about how interrupts are
On Thu, Dec 29, 2011 at 10:26:16AM +0900, Isaku Yamahata wrote:
> UMEM_DEV_LIST: list created umem devices
> UMEM_DEV_REATTACH: re-attach the created umem device
> UMEM_DEV_LIST and UMEM_DEV_REATTACH are used when
> the process that services page fault disappears or
Introduce MigrationParams for parameters of migration.
Signed-off-by: Isaku Yamahata
---
block-migration.c |8
hw/hw.h |2 +-
migration.c | 16 +---
migration.h |8 ++--
qemu-common.h |1 +
savevm.c | 12
This is a character device to hook page access.
The page fault in the area is reported to another user process by
this chardriver. Then, the process fills the page contents and
resolves the page fault.
Signed-off-by: Isaku Yamahata
---
drivers/char/Kconfig |9 +
drivers/char/Makefile |1
Added -p option to migrate command for postcopy mode and
introduce postcopy parameter for migration to indicate that postcopy mode is
enabled.
Add -n option for postcopy migration which indicates disabling background
transfer.
Signed-off-by: Isaku Yamahata
---
hmp-commands.hx | 12 --
That is my guess as well in the first place, but my QEMU is built with
CONFIG_IOTHREAD set to 0.
I am not 100% sure about how interrupts are delivered in QEMU, my
guess is that some kind of timer devices will have to fire and qemu
might have installed a signal handler and the signal handler takes
>From 3a78adf8006ec6189bfe2f55f7ae213e75bf3815 Mon Sep 17 00:00:00 2001
From: Liu Jinsong
Date: Thu, 29 Dec 2011 05:28:12 +0800
Subject: [PATCH 2/2] Expose tsc deadline timer cpuid to guest
Depend on several factors:
1. Considering live migration, user enable/disable tsc deadline timer;
2. If gue
>From 5afecc308bc25c7fd8d124e7557f08fb067d6caa Mon Sep 17 00:00:00 2001
From: Liu Jinsong
Date: Thu, 29 Dec 2011 01:45:45 +0800
Subject: [PATCH 1/2] Define KVM_CAP_TSC_DEADLINE_TIMER
Signed-off-by: Liu, Jinsong
Signed-off-by: Jan Kiszka
---
linux-headers/linux/kvm.h |1 +
1 files changed,
On 28 December 2011 00:43, Xin Tong wrote:
> I modified QEMU to check for interrupt status at the end of every TB
> and ran it on SPECINT2000 benchmarks with QEMU 0.15.0. The performance
> is 70% of the unmodified one for some benchmarks on a x86_64 host. I
> agree that the extra load-test-branch-
On 2011-12-28 18:35, Liu, Jinsong wrote:
>>> diff --git a/qemu-kvm.h b/qemu-kvm.h
>>> index 2bd5602..8c6c2ea 100644
>>> --- a/qemu-kvm.h
>>> +++ b/qemu-kvm.h
>>> @@ -260,6 +260,7 @@ extern int kvm_irqchip;
>>> extern int kvm_pit;
>>> extern int kvm_pit_reinject;
>>> extern unsigned int kvm_shado
Xin Tong writes:
> My main concern here is not how timely the interrupts can be handled,
> i am more interested in reducing the number of TB enters/exits due to
> interrupt. Returning to qemu mainloop requires saving and restoring
> register contexts which are expensive, what i am thinking is that
>> diff --git a/qemu-kvm.h b/qemu-kvm.h
>> index 2bd5602..8c6c2ea 100644
>> --- a/qemu-kvm.h
>> +++ b/qemu-kvm.h
>> @@ -260,6 +260,7 @@ extern int kvm_irqchip;
>> extern int kvm_pit;
>> extern int kvm_pit_reinject;
>> extern unsigned int kvm_shadow_memory;
>> +extern int tsc_deadline_timer;
>>
On 12/28/2011 06:44 PM, Anthony Liguori wrote:
> On 12/28/2011 09:28 AM, Avi Kivity wrote:
>> On 12/28/2011 05:01 PM, Avi Kivity wrote:
>>> I'd say that running a ping test is a weak version of kvm-autotest's
>>> system tests. Running a synthetic test that pokes values into memory
>>> and mmio and
On 12/28/2011 06:42 PM, Anthony Liguori wrote:
>> In fact using linux as a guest negates that. First of all, which linux
>> version? if it's fixed, you'll eventually miss functionality and need to
>> migrate. If it keeps changing, so does your test, and it will keep
>> breaking.
>
>
> The kernel
On 12/21/2011 11:42 PM, Alex Williamson wrote:
Including rationale for design, example usage and API description.
Signed-off-by: Alex Williamson
---
Documentation/vfio.txt | 352
1 files changed, 352 insertions(+), 0 deletions(-)
create mod
My main concern here is not how timely the interrupts can be handled,
i am more interested in reducing the number of TB enters/exits due to
interrupt. Returning to qemu mainloop requires saving and restoring
register contexts which are expensive, what i am thinking is that can
we check and handle i
On 12/28/2011 09:28 AM, Avi Kivity wrote:
On 12/28/2011 05:01 PM, Avi Kivity wrote:
I'd say that running a ping test is a weak version of kvm-autotest's
system tests. Running a synthetic test that pokes values into memory
and mmio and sees a packet coming out is a unit test (the latter can in
f
On 12/28/2011 09:01 AM, Avi Kivity wrote:
On 12/28/2011 04:27 PM, Anthony Liguori wrote:
Maybe I've used the wrong wording. I got the feeling that, besides
testing qemu
the way you need it, keeping qemu-test simple was really important.
Simple is always important. In the case of qemu-test, t
On 12/28/2011 08:49 AM, Christoph Hellwig wrote:
On Mon, Dec 19, 2011 at 11:13:24AM -0600, Anthony Liguori wrote:
Hi,
I've published a set of tests I wrote over the weekend on qemu.org. My
motivations were 1) to prevent regressions like the libguestfs one and 2)
to have an easier way to do dev
Currently several binary variables in SDState represented as bool type while
several other represented as int. This patch converts wp_switch and spi
variables to bool and modifies rest of the code to treat this variables as
bool instead of int.
Signed-off-by: Mitsyanko Igor
---
hw/sd.c |8 ++
SDState variables wp_groups, expecting_acmd and enable are of bool data type but
are currently treated as int type variables by rest of the code. This patch
updates
sd_enable() and sd_wp_addr() so now they explicitly work with bool type, and
replaces 0 and 1 with 'false' and 'true' where it's requ
We couldn't properly implement save/restore functionality of SD host controllers
states without SD card's state VMStateDescription implementation. This patch
updates SD card emulation to support save/load of card's state.
Signed-off-by: Mitsyanko Igor
---
hw/sd.c | 100 +
Changelog
v2->v3:
- PATCH 2/3 splitted into smaller patches 2-4/5.
- SDState structure rearrengment dropped.
v1->v2:
PATCH 1/3:
- .calc_size field replaced with .get_bufsize field in VMStateField;
- .size_offset removed completely, macros based on it rewritten to use
new .get_bufsize field.
New get_bufsize field in VMStateField is supposed to help us easily add
save/restore
support of dynamically allocated buffers in device's states.
There are some cases when information about size of dynamically allocated
buffer is
already presented in specific device's state structure, but in such
On 12/28/2011 05:01 PM, Avi Kivity wrote:
> I'd say that running a ping test is a weak version of kvm-autotest's
> system tests. Running a synthetic test that pokes values into memory
> and mmio and sees a packet coming out is a unit test (the latter can in
> fact be executed without a guest at al
On 12/28/2011 04:27 PM, Anthony Liguori wrote:
>> Maybe I've used the wrong wording. I got the feeling that, besides
>> testing qemu
>> the way you need it, keeping qemu-test simple was really important.
>
>
> Simple is always important. In the case of qemu-test, there are some
> important trade o
On Mon, Dec 19, 2011 at 11:13:24AM -0600, Anthony Liguori wrote:
> Hi,
>
> I've published a set of tests I wrote over the weekend on qemu.org. My
> motivations were 1) to prevent regressions like the libguestfs one and 2)
> to have an easier way to do development testing as I work on QEMU Object
On 28 December 2011 14:02, Mitsyanko Igor wrote:
> On 12/28/2011 05:26 PM, Peter Maydell wrote:
>> Also, why should we care particularly about the order of
>> fields in SDState? There will be at most a handful of copies
>> of this struct in qemu, costing a handful of bytes in extra
>> padding. ("e
On 12/27/2011 11:01 PM, Cleber Rosa wrote:
On 12/27/2011 11:37 PM, Anthony Liguori wrote:
I think the main goal of qemu-tests (may be implicit) is to be quick and simple.
qemu-test doesn't have a main goal. My goal is to improve QEMU's quality.
qemu-test is just a tool to help achieve that goa
On 12/27/2011 11:37 PM, Anthony Liguori wrote:
On 12/27/2011 04:35 PM, Cleber Rosa wrote:
On 12/26/2011 08:00 PM, Dor Laor wrote:
On 12/26/2011 05:12 PM, Anthony Liguori wrote:
Hi Dor,
Merry Christmas Anthony,
On 12/25/2011 09:19 AM, Dor Laor wrote:
On 12/19/2011 07:13 PM, Anthony Liguor
On 12/28/2011 05:26 PM, Peter Maydell wrote:
On 28 December 2011 12:08, Mitsyanko Igor wrote:
We couldn't properly implement save/restore functionality of SD host controllers
states without SD card's state VMStateDescription implementation. This patch
updates SD card emulation to support save/l
On 28 December 2011 12:08, Mitsyanko Igor wrote:
> We couldn't properly implement save/restore functionality of SD host
> controllers
> states without SD card's state VMStateDescription implementation. This patch
> updates SD card emulation to support save/load of card's state. Update
> requires
We couldn't properly implement save/restore functionality of SD host controllers
states without SD card's state VMStateDescription implementation. This patch
updates SD card emulation to support save/load of card's state. Update requires
changing of data type of several variables in SDState. Variab
New get_bufsize field in VMStateField is supposed to help us easily add
save/restore
support of dynamically allocated buffers in device's states.
There are some cases when information about size of dynamically allocated
buffer is
already presented in specific device's state structure, but in such
Changelog v1->v2:
PATCH 1/3:
- .calc_size field replaced with .get_bufsize field in VMStateField;
- .size_offset removed completely, macros based on it rewritten to use
new .get_bufsize field.
PATCH 2/3:
- all binary variables in SDState now have bool type;
- SDState structure rearranged to
On 12/28/2011 01:40 PM, Peter Maydell wrote:
> On 28 December 2011 10:42, Avi Kivity wrote:
> > It's possible to check for an interrupt before every instruction,
> > without any overhead:
> >
> > - when a signal arrives, check the instruction pointer. If it points
> > outside tcg code, set a flag
Am 28.12.2011 02:24, schrieb Mark Langsdorf:
> Use qdev properties to allow board modelers to set the frequencies
> for the sp804 timer. Each of the sp804's timers can have an
> individual frequency. The timers default to 1MHz.
>
> Signed-off-by: Mark Langsdorf
> Reviewed-by: Peter Maydell
Revi
On Wed, Dec 28, 2011 at 05:41:20PM +1300, Alexey Korolev wrote:
> Hi,
>
> There were a number of requests about support of 64bit PCI BAR allocations.
>
> Also we have observed the issue on guests with older linux version
> (2.6.18): if we
> have a 64bit BAR allocated within first 4GB, the OS may
On Wed, Dec 28, 2011 at 06:35:55PM +1300, Alexey Korolev wrote:
> All devices behind a bridge need to have all their regions consecutive and
> not overlapping with all the normal memory ranges.
> Since prefetchable memory is described by one record, we must avoid the
> situations
> when 32bit and
On 28 December 2011 10:42, Avi Kivity wrote:
> It's possible to check for an interrupt before every instruction,
> without any overhead:
>
> - when a signal arrives, check the instruction pointer. If it points
> outside tcg code, set a flag and return.
> - consult a table indexed by the instructio
On 28 December 2011 06:44, Richard Cole wrote:
> I'll have to learn quite a bit more about QEMU and arm before I'll be
> able to contribute back any patches. I bought a beagle board today so
> that at least is a start, being able to compare QEMU to some real
> hardware.
There's no beagle board mo
On Wed, Dec 28, 2011 at 06:26:05PM +1300, Alexey Korolev wrote:
> This patch adds PCI_REGION_TYPE_PREFMEM_64 region type and modifies types of
> variables to make it possible to work with 64 bit addresses.
>
> Why I've added just one region type PCI_REGION_TYPE_PREFMEM_64 and haven't
> added PCI_R
On Wed, Dec 14, 2011 at 9:20 PM, Richard Henderson wrote:
> On 12/07/2011 09:25 PM, kha...@kics.edu.pk wrote:
>> +#if defined(TARGET_MIPS64)
>> + /* tswapal() do 64 bit swap in case of MIPS64 but
>> + we need 32 bit swap as sa_flags is 32 bit */
>> + k->sa_flags = bswap32(a
On 12/28/2011 01:12 AM, Xin Tong wrote:
> QEMU does not exit and handle interrupt within translation blocks. it
> only exits after the translation block is finished. Assuming a
> translation block is very long, is it possible that QEMU could have
> exceeded the interrupt's "timing window" and yield
The fixes to qapi code generation had multiple bugs:
- the Null class used to drop output was missing some methods
- in some scripts it was never instantiated, leading to a None return,
which is missing even more methods
- the --source and --header options were swapped
Luckily, all those bugs we
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Hi, all:
I'm very interested in virtio-mmio Peter Maydell did for QEMU,
(http://lists.nongnu.org/archive/html/qemu-devel/2011-11/msg01870.html)
actually, I've tested the virtio-blk, and it is working.
I applied those patch to QEMU-1.0 and brought the virtio_mmio.c from
Linux-3.2-rc back to Linux-
On 12/27/2011 11:30 PM, Peter Maydell wrote:
> On 27 December 2011 14:13, Avi Kivity wrote:
> > On 12/26/2011 04:58 PM, Peter Maydell wrote:
> >> > void sd_enable(SDState *sd, int enable)
> >> > {
> >> > -sd->enable = enable;
> >> > +sd->enable = enable ? true : false;
> >>
> >> This kin
Good, thanks a lot. I will give it a try tonight. Why I got double-email from
the mailing list. I subscribe twice?
Thanksfrom Peter
> Date: Wed, 28 Dec 2011 09:25:01 +0100
> From: s...@weilnetz.de
> To: mcheun...@hotmail.com
> CC: qemu-devel@nongnu.org
> Subject: Re: [Qemu-devel] add debugger c
Am 28.12.2011 07:35, schrieb Peter Cheung:
> Dear All
> Please take a look http://peter-bochs.googlecode.com , I am an
> operating system developer, bochs has a great build in command-line
> debugger, but it is not good enough for normal use, so I created
> peter-bochs for it. But bochs has a deadl
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