Ryan Harper wrote:
* Danny ter Haar d...@dth.net [2009-10-29 13:38]:
Update:
I compiled/installed 2.6.32-rc5-git3 on this machine
I manually start kvm:
vhost1:~# kvm -m 512 -cdrom /vz/template/iso/debian-503-amd64-netinst.iso
The bootscreen comes up, i hit enter to install and i get
Gerd Hoffmann wrote:
On 10/29/09 05:37, Christoph Hellwig wrote:
So something like
- Get next request
- Attach iovec/bounc-buffer
- handle request (command/write/read)
- complete request (callback)
Btw, from some previuous attempts to sort out this code here are some
thing that I think
On Fri, 2009-10-30 at 09:10 +0100, Chris Lalancette wrote:
Can either you or Danny:
1) Get the output from stderr of qemu when this happens? I believe qemu
dumps
the state of all of the guest fields when it's going to crash like this, and
that can tell us if the GUEST_STATE is wrong.
Hi,
When they do, poke me and I'll make sure to process them quickly.
Just sent.
One of
my short term goals is to get better at handling easy patches more quickly.
Great. /me tests the new process ;)
cheers,
Gerd
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the
Arnaud Maillet wrote:
In RH 5.4 it's a 2.6.18 !
Hmm, and that's outside the support range of kvm-kmod today. I had a
look at the conflicts: there are more than I can fix with reasonable
effort ATM.
So I'm afraid - unless someone steps up and provides the required
patches - support for such old
Ouch, typo in subject, it's 2.6.31.1 of course. sorry about that.
also CCing kvm.
n.
On Fri, Oct 30, 2009 at 12:06:32PM +0100, Nikola Ciprich wrote:
Hi,
some time ago, I updated my KVM hosting machine to 2.6.31.1 and it just died
horribly:
Oct 30 10:45:17 vbox [706369.133516] Kernel panic -
Decouple KVM_GUESTDBG_INJECT_DB and KVM_GUESTDBG_INJECT_BP from
KVM_GUESTDBG_ENABLE, their are actually orthogonal. At this chance,
avoid triggering the WARN_ON in kvm_queue_exception if there is already
an exception pending and reject such invalid requests.
Signed-off-by: Jan Kiszka
Marcelo Tosatti wrote:
On Wed, Oct 28, 2009 at 11:21:42AM +0100, Chris Lalancette wrote:
Marcelo Tosatti wrote:
On Tue, Oct 27, 2009 at 05:41:07PM +0100, Chris Lalancette wrote:
This patch is the main point of the series. In order for
kdump to properly work inside a KVM guest, we need to
On Fri, Oct 30, 2009 at 01:23:57PM +0100, Chris Lalancette wrote:
Marcelo Tosatti wrote:
On Wed, Oct 28, 2009 at 11:21:42AM +0100, Chris Lalancette wrote:
Marcelo Tosatti wrote:
On Tue, Oct 27, 2009 at 05:41:07PM +0100, Chris Lalancette wrote:
This patch is the main point of the series.
* Lucas Meneghel Rodrigues l...@redhat.com [2009-10-28 14:48]:
Ryan, Michael:
I absolutely agree that the ability to debug stuff is important, but
the ability to make things straightforward to use from the web
interface or cli is also important. A longer term goal is to have our
test farm
On Fri, 2009-10-30 at 08:54 -0500, Ryan Harper wrote:
* Lucas Meneghel Rodrigues l...@redhat.com [2009-10-28 14:48]:
Ryan, Michael:
I absolutely agree that the ability to debug stuff is important, but
the ability to make things straightforward to use from the web
interface or cli is
Bugs item #2880337, was opened at 2009-10-16 00:47
Message generated for change (Settings changed) made by jiajun
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=893831aid=2880337group_id=180599
Please note that this message will contain a full copy of the comment
Bugs item #2889486, was opened at 2009-10-30 07:43
Message generated for change (Tracker Item Submitted) made by jiajun
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=893831aid=2889486group_id=180599
Please note that this message will contain a full copy of the
Hi All,
This Weekly KVM Testing Report against lastest kvm.git
11b06403991acded51b3304c42a6086fdeaf3fa8 and qemu-kvm.git
42a6f56f1d96574bb3ba093c740fb1e23446ea24.
Latest qemu-kvm tree build is broken with error in savevm.c:
CCnet-queue.o
CCqemu-char.o
CCnet-checksum.o
Marcelo Tosatti wrote:
On Fri, Oct 30, 2009 at 01:23:57PM +0100, Chris Lalancette wrote:
Marcelo Tosatti wrote:
On Wed, Oct 28, 2009 at 11:21:42AM +0100, Chris Lalancette wrote:
Marcelo Tosatti wrote:
On Tue, Oct 27, 2009 at 05:41:07PM +0100, Chris Lalancette wrote:
This patch is the main
Right now sregs is unused on PPC, so we can use it for initialization
of the CPU.
KVM on BookE always virtualizes the host CPU. On Book3s we go a step further
and take the PVR from userspace that tells us what kind of CPU we are supposed
to virtualize, because we support Book3s_32 and Book3s_64
We need to store more information than we currently have for vcpus
when running on Book3s.
So let's extend the internal struct definitions.
Signed-off-by: Alexander Graf ag...@suse.de
---
v3 - v4:
- use context_id instead of mm_context
v4 - v5:
- always include pvr in vcpu struct
---
We need quite a bunch of new constants for KVM on Book3s,
so let's define them now.
These constants will be used in later patches.
Signed-off-by: Alexander Graf ag...@suse.de
---
v3 - v4
- remove old kernel compat code
---
arch/powerpc/include/asm/kvm_asm.h | 39
It looks like the variable pc is defined. At least the current code always
failed on me stating that pc is already defined somewhere else.
Let's use _pc instead, because that doesn't collide.
Is this the right approach? Does it break on 440 too? If not, why not?
Signed-off-by: Alexander Graf
This patch adds an implementation for a G3/G4 MMU, so we can run G3 and
G4 guests in KVM on Book3s_64.
Signed-off-by: Alexander Graf ag...@suse.de
---
v5 - v6:
- dprintk instead of scattered #ifdef's
- // - /* */
- 80 characters per line
---
arch/powerpc/kvm/book3s_32_mmu.c | 372
To be able to run a guest, we also need to implement a guest MMU.
This patch adds MMU handling for Book3s_64 guests.
Signed-off-by: Alexander Graf ag...@suse.de
---
v5 - v6:
- dprintk instead of scattered #ifdef's
- 80 line limit
- // - /* */
---
arch/powerpc/kvm/book3s_64_mmu.c | 476
PowerPC code handles dirty logging in the generic parts atm. While this
is great for return -ENOTSUPP, we need to be rather target specific
when actually implementing it.
So let's split it to implementation specific code, so we can implement
it for book3s.
Signed-off-by: Alexander Graf
This is the really low level of guest entry/exit code.
Book3s_64 has an SLB, which stores all ESID - VSID mappings we're
currently aware of.
The segments in the guest differ from the ones on the host, so we need
to switch the SLB to tell the MMU that we're in a new context.
So we store a shadow
There are generic parts of PowerPC that can be shared across all
implementations and specific parts that only apply to BookE or desktop PPCs.
This patch adds emulation for desktop specific opcodes that don't apply
to BookE CPUs.
Signed-off-by: Alexander Graf ag...@suse.de
---
v5 - v6:
- //
Now we have everything in place to be able to build KVM, so let's add it
as config option and in the Makefile.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/Kconfig | 17 +
arch/powerpc/kvm/Makefile | 27 +++
2 files changed, 40
We support setting the DEC to a certain value right now. Doing that basically
triggers the CPU local timer.
But there's also an mfdec command that enabled the OS to read the decrementor.
This is required at least by all desktop and server PowerPC Linux kernels. It
can't really hurt to allow
For KVM we need to allocate a new context id, but don't really care about
all the mm context around it.
So let's split the alloc and destroy functions for the context id, so we can
grab one without allocating an mm context.
Signed-off-by: Alexander Graf ag...@suse.de
---
For KVM we need to store some information in the PACA, so we
need to extend it.
This patch adds KVM SLB shadow related entries to the PACA and
a field that indicates if we're inside a guest.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/include/asm/paca.h |9 +
1
This adds the book3s core handling file. Here everything that is generic to
desktop PowerPC cores is handled, including interrupt injections, MSR settings,
etc.
It basically takes over the same role as booke.c for embedded PowerPCs.
Signed-off-by: Alexander Graf ag...@suse.de
---
v3 - v4:
-
Following S390's good example we should use hrtimers for the decrementer too!
This patch converts the timer from the old mechanism to hrtimers.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/include/asm/kvm_host.h |6 --
arch/powerpc/kvm/emulate.c | 18
We currently use host endian long types to store information
in the dirty bitmap.
This works reasonably well on Little Endian targets, because the
u32 after the first contains the next 32 bits. On Big Endian this
breaks completely though, forcing us to be inventive here.
So Ben suggested to
We need to intercept interrupt vectors. To do that, let's add a file
we can always include which only activates the intercepts when we have
then configured.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/include/asm/kvm_book3s_64_asm.h | 58 ++
1 files
In order to access fields in the PACA from assembly code, we need
to generate offsets using asm-offsets.c.
So let's add the new PACA related bits, we just introduced!
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kernel/asm-offsets.c |5 +
1 files changed, 5
We designed the Book3S port of KVM as modular as possible. Most
of the code could be easily used on a Book3S_32 host as well.
The main difference between 32 and 64 bit cores is the MMU. To keep
things well separated, we treat the book3s_64 MMU as one possible compile
option.
This patch adds all
This adds the book3s specific header file that contains structs that
are only valid on book3s specific code.
Signed-off-by: Alexander Graf ag...@suse.de
---
v3 - v4:
- use context_id instead of mm_alloc
---
arch/powerpc/include/asm/kvm_book3s.h | 136 +
1
Getting from host state to the guest is only half the story. We also need
to return to our host context and handle whatever happened to get us out of
the guest.
On PowerPC every guest exit is an interrupt. So all we need to do is trap
the host's interrupt handlers and get into our #VMEXIT code to
We want to be able to build KVM as a module. To enable us doing so, we
need some more exports from core Linux parts.
This patch exports all functions and variables that are required for KVM.
Signed-off-by: Alexander Graf ag...@suse.de
---
v3 - v4:
- don't export switch_slb
- don't export
We need to run some KVM trampoline code in real mode. Unfortunately, real mode
only covers 8MB on Cell so we need to squeeze ourselves as low as possible.
Also, we need to trap interrupts to get us back from guest state to host state
without telling Linux about it.
This patch adds interrupt
Little opcodes behave differently on desktop and embedded PowerPC cores.
In order to reflect those differences, let's add some #ifdef code to emulate.c.
We could probably also handle them in the core specific emulation files, but I
would prefer to reuse as much code as possible.
Signed-off-by:
We need to access some VCPU fields from assembly code. In order to get
the proper offsets, we have to define them in asm-offsets.c.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kernel/asm-offsets.c | 13 +
1 files changed, 13 insertions(+), 0 deletions(-)
diff
KVM for PowerPC only supports embedded cores at the moment.
While it makes sense to virtualize on small machines, it's even more fun
to do so on big boxes. So I figured we need KVM for PowerPC64 as well.
This patchset implements KVM support for Book3s_64 hosts and guest support
for Book3s_64 and
To be able to keep KVM as module, we need to export the SLB trampoline
addresses to the module, so it knows where to jump to.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/book3s_64_exports.c | 24
1 files changed, 24 insertions(+), 0 deletions(-)
This is the of entry / exit code. In order to switch between host and guest
context, we need to switch register state and call the exit code handler on
exit.
This assembly file does exactly that. To finally enter the guest it calls
into book3s_64_slb.S. On exit it gets jumped at from
On Thu, 2009-10-15 at 15:18 -0500, Andrew Theurer wrote:
On Thu, 2009-10-15 at 02:10 +0900, Avi Kivity wrote:
On 10/13/2009 11:04 PM, Andrew Theurer wrote:
Look at the address where vmx_vcpu_run starts, add 0x26d, and show the
surrounding code.
Thinking about it, it probably _is_
On Friday 30 October 2009, Nikola Ciprich wrote:
Ouch, typo in subject, it's 2.6.31.1 of course. sorry about that.
also CCing kvm.
What about later kernels? Mainline in particular?
Rafael
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On Thu, Oct 29, 2009 at 6:22 PM, Scott Tsai scottt...@gmail.com wrote:
What's the easiest way to see the patches to qemu that Canonical
carries for the different Ubuntu releases?
(I think http://patches.ubuntu.com/ only diffs against Debian for the
last stable Ubuntu release?)
Correct. That
On Thu, Oct 29, 2009 at 10:34 AM, Dustin Kirkland
kirkl...@canonical.com wrote:
whitelist host virtio networking features
This patch is a followup to 8eca6b1bc770982595db2f7207c65051572436cb,
fixing crashes when guests with 2.6.25 virtio drivers have saturated
virtio network connections.
Recently autoserv changed its default behavior of rsyncing
the whole client directory to the test machine, now it
will copy only the needed tests to the client machine.
Also, the way the tests are loaded when running from the
server has changed, breaking the KVM test when ran from
autoserv.
So
On Fri, Oct 30, 2009 at 04:28:01PM +0100, Chris Lalancette wrote:
Marcelo Tosatti wrote:
On Fri, Oct 30, 2009 at 01:23:57PM +0100, Chris Lalancette wrote:
Marcelo Tosatti wrote:
On Wed, Oct 28, 2009 at 11:21:42AM +0100, Chris Lalancette wrote:
Marcelo Tosatti wrote:
On Tue, Oct 27, 2009
On Fri, Oct 30, 2009 at 12:03:20PM -0600, David S. Ahern wrote:
On 10/30/2009 09:28 AM, Chris Lalancette wrote:
For VMX, the guests TSC's are now usually synchronized (which was not
the case before, when this patch was written). For AMD, they start out
of sync.
Migration also causes
* Lucas Meneghel Rodrigues l...@redhat.com [2009-10-30 17:08]:
Recently autoserv changed its default behavior of rsyncing
the whole client directory to the test machine, now it
will copy only the needed tests to the client machine.
Also, the way the tests are loaded when running from the
My XP VM was working OK, and then started crashing shortly after it
logged me in. There were no obvious changes at the time. I built the
latest qemu-kvm, but the problem persists.
I am running 32 bit XP on Intel(R) Xeon(R) CPU E5420 @ 2.50GHz (8 cores
total), Debian GNU/Linux mostly Lenny
Hi Alexander,
On Fri, 30 Oct 2009 16:47:19 +0100 Alexander Graf ag...@suse.de wrote:
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index c8b27bb..baf778c 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -163,11 +163,12 @@
Hi Alexander,
On Fri, 30 Oct 2009 16:47:20 +0100 Alexander Graf ag...@suse.de wrote:
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -23,6 +23,11 @@ extern void switch_slb(struct task_struct *tsk, struct
mm_struct *mm);
extern void
We need quite a bunch of new constants for KVM on Book3s,
so let's define them now.
These constants will be used in later patches.
Signed-off-by: Alexander Graf ag...@suse.de
---
v3 - v4
- remove old kernel compat code
---
arch/powerpc/include/asm/kvm_asm.h | 39
It looks like the variable pc is defined. At least the current code always
failed on me stating that pc is already defined somewhere else.
Let's use _pc instead, because that doesn't collide.
Is this the right approach? Does it break on 440 too? If not, why not?
Signed-off-by: Alexander Graf
This adds the book3s core handling file. Here everything that is generic to
desktop PowerPC cores is handled, including interrupt injections, MSR settings,
etc.
It basically takes over the same role as booke.c for embedded PowerPCs.
Signed-off-by: Alexander Graf ag...@suse.de
---
v3 - v4:
-
This patch adds an implementation for a G3/G4 MMU, so we can run G3 and
G4 guests in KVM on Book3s_64.
Signed-off-by: Alexander Graf ag...@suse.de
---
v5 - v6:
- dprintk instead of scattered #ifdef's
- // - /* */
- 80 characters per line
---
arch/powerpc/kvm/book3s_32_mmu.c | 372
In order to access fields in the PACA from assembly code, we need
to generate offsets using asm-offsets.c.
So let's add the new PACA related bits, we just introduced!
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kernel/asm-offsets.c |5 +
1 files changed, 5
We need to intercept interrupt vectors. To do that, let's add a file
we can always include which only activates the intercepts when we have
then configured.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/include/asm/kvm_book3s_64_asm.h | 58 ++
1 files
We designed the Book3S port of KVM as modular as possible. Most
of the code could be easily used on a Book3S_32 host as well.
The main difference between 32 and 64 bit cores is the MMU. To keep
things well separated, we treat the book3s_64 MMU as one possible compile
option.
This patch adds all
We support setting the DEC to a certain value right now. Doing that basically
triggers the CPU local timer.
But there's also an mfdec command that enabled the OS to read the decrementor.
This is required at least by all desktop and server PowerPC Linux kernels. It
can't really hurt to allow
For KVM we need to allocate a new context id, but don't really care about
all the mm context around it.
So let's split the alloc and destroy functions for the context id, so we can
grab one without allocating an mm context.
Signed-off-by: Alexander Graf ag...@suse.de
---
Now we have everything in place to be able to build KVM, so let's add it
as config option and in the Makefile.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/Kconfig | 17 +
arch/powerpc/kvm/Makefile | 27 +++
2 files changed, 40
There are generic parts of PowerPC that can be shared across all
implementations and specific parts that only apply to BookE or desktop PPCs.
This patch adds emulation for desktop specific opcodes that don't apply
to BookE CPUs.
Signed-off-by: Alexander Graf ag...@suse.de
---
v5 - v6:
- //
For KVM we need to store some information in the PACA, so we
need to extend it.
This patch adds KVM SLB shadow related entries to the PACA and
a field that indicates if we're inside a guest.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/include/asm/paca.h |9 +
1
To be able to run a guest, we also need to implement a guest MMU.
This patch adds MMU handling for Book3s_64 guests.
Signed-off-by: Alexander Graf ag...@suse.de
---
v5 - v6:
- dprintk instead of scattered #ifdef's
- 80 line limit
- // - /* */
---
arch/powerpc/kvm/book3s_64_mmu.c | 476
Getting from host state to the guest is only half the story. We also need
to return to our host context and handle whatever happened to get us out of
the guest.
On PowerPC every guest exit is an interrupt. So all we need to do is trap
the host's interrupt handlers and get into our #VMEXIT code to
We need to run some KVM trampoline code in real mode. Unfortunately, real mode
only covers 8MB on Cell so we need to squeeze ourselves as low as possible.
Also, we need to trap interrupts to get us back from guest state to host state
without telling Linux about it.
This patch adds interrupt
We need to access some VCPU fields from assembly code. In order to get
the proper offsets, we have to define them in asm-offsets.c.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kernel/asm-offsets.c | 13 +
1 files changed, 13 insertions(+), 0 deletions(-)
diff
This is the of entry / exit code. In order to switch between host and guest
context, we need to switch register state and call the exit code handler on
exit.
This assembly file does exactly that. To finally enter the guest it calls
into book3s_64_slb.S. On exit it gets jumped at from
Hi Alexander,
On Fri, 30 Oct 2009 16:47:20 +0100 Alexander Graf ag...@suse.de wrote:
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -23,6 +23,11 @@ extern void switch_slb(struct task_struct *tsk, struct
mm_struct *mm);
extern void
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