A few quick notes:
- The extboot.bin regression from kvm-71 (SCSI drives being
unavailable after reboot) is still outstanding.
- kvm (and presumably qemu) doesn't check for fd= parameters pointing
to file descriptor numbers which are not, in fact, open; this results in
select() spinning on
Hi all,
From kvm-74, the building process of kvm-ia64 is the same as x86 side. It
means kvm-ia64 is very easy to be used now.
Still existing issues (2 have been fixed. 3 are in debuging):
1. [FIXED, not checked in] guest domain can not boot up network
2. [
Bugs item #2076615, was opened at 2008-08-27 01:34
Message generated for change (Settings changed) made by amitshah
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>From 297fb289f827e7921ae105d3a8ff79ca4c43a03a Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Fri, 29 Aug 2008 10:55:26 +0800
Subject: [PATCH] kvm: Qemu: Fix a typo.
VGA_RAM_SIZE -> GFW_SIZE.
Signed-off-by: Xiantao Zhang <[EMAIL PROTECTED]>
---
qemu/hw/ipf.c |2 +-
1 f
Hi,
Given a kernel tree originally built using the O= method, what's the suggested
way to build the external modules ?
I've tried giving configure a --kerneldir of both the original tree and the
O= tree, along with passing the O= option to make and/or configure. So far
without success.
qemu par
Bugs item #1906204, was opened at 2008-03-03 12:45
Message generated for change (Comment added) made by markit
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Bugs item #2076615, was opened at 2008-08-26 22:04
Message generated for change (Comment added) made by markit
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Anthony Liguori wrote:
This patch adds the virtio balloon driver. It doesn't actually reduce the RSS
size when using KVM (although it does when using -no-kvm). This is because
even with MMU notifiers, we're holding a reference to each page in the shadow
page table. Once we switch to not taking
Andrea Arcangeli wrote:
On Mon, Aug 18, 2008 at 05:04:25PM -0500, Anthony Liguori wrote:
+if (!kvm_enabled() || !qemu_kvm_has_mmu_notifiers())
+madvise(addr, TARGET_PAGE_SIZE,
+deflate ? MADV_WILLNEED : MADV_DONTNEED);
The check was reversed so madvise wasn'
This patch adds the virtio balloon driver. It doesn't actually reduce the RSS
size when using KVM (although it does when using -no-kvm). This is because
even with MMU notifiers, we're holding a reference to each page in the shadow
page table. Once we switch to not taking a reference for pages in
This patch adds a ballooning infrastructure to QEMU. This includes a pair of
monitor commands, balloon and info balloon, to balloon a guest and to query
the guest's balloon status.
Signed-off-by: Anthony Liguori <[EMAIL PROTECTED]>
diff --git a/qemu/balloon.h b/qemu/balloon.h
new file mode 10064
This patch updates the virtio device methods to provide hooks for setting and
getting the config. This is needed for ballooning since the balloon driver
uses config changes to signal changes in the balloon amount. We also add a
method to signal that we have changed the config.
Signed-off-by: Ant
[Fixed coding style]
Consolidate mov r, imm testing in one function
Signed-off-by: Mohammed Gamal <[EMAIL PROTECTED]>
---
user/test/x86/realmode.c | 49 +
1 files changed, 27 insertions(+), 22 deletions(-)
diff --git a/user/test/x86/realmode.c b/use
On Thu, Aug 28, 2008 at 7:05 PM, Avi Kivity <[EMAIL PROTECTED]> wrote:
> Mohammed Gamal wrote:
>> Consolidate mov r, imm testing in one function
>>
>>
>
> Doesn't apply, likely due to coding style fixes I made to the previous
> patch.
>
>> - if(!regs_equal(&inregs, &outregs, R_AX) || outregs.ea
Amit Shah writes ("[Qemu-devel] Re: [PATCH 1/1] KVM/userspace: Support for
assigning PCI devices to guests"):
> I got the xen-unstable hg tree and am looking at
> tools/ioemu/pass-through.[ch]
That's the old ioemu tree which is pretty much dead now.
> Please point me to the code you're looking a
Convert gfn_to_pfn() to use get_user_pages_fast(), which can do lockless
pagetable lookups. Kernel compilation on 4-way guest is 3.7% faster on
VMX.
Andrea, please review (especially mmu notifiers synchronization).
kvm_vm_fault, used by older userspace without CAP_USER_MEMORY, had
gfn_to_page op
Mohammed Gamal wrote:
> Consolidate mov r, imm testing in one function
>
>
Doesn't apply, likely due to coding style fixes I made to the previous
patch.
> - if(!regs_equal(&inregs, &outregs, R_AX) || outregs.eax != 1234567890)
> + if(!regs_equal(inregs, outregs, R_AX) || outregs->eax !
On Thu, Aug 28, 2008 at 06:29:19PM +0300, Avi Kivity wrote:
> Avi Kivity wrote:
> > Joerg Rodel wrote:
> >
> >> I did a bit meditation about the softmmu code today. In the path of the
> >> NPT fault the function kvm_mmu_free_some_pages() is called which itself
> >> calls kvm_mmu_zap_page(). The
Joerg Roedel wrote:
> Ok, cool. But the bug happens only rarely so I think there is some
> probability that this is the missing tlb flush, I think. But lets see.
>
It reproduces rapidly for me, and it did after adding the missing flush
to kvm_mmu_zap_page().
--
Do not meddle in the internals
Avi Kivity wrote:
> Joerg Rodel wrote:
>
>> I did a bit meditation about the softmmu code today. In the path of the
>> NPT fault the function kvm_mmu_free_some_pages() is called which itself
>> calls kvm_mmu_zap_page(). There the two functions
>> kvm_mmu_page_unlink_children() and kvm_mmu_unlin
On Thu, Aug 28, 2008 at 06:15:57PM +0300, Avi Kivity wrote:
> Joerg Rodel wrote:
> > I did a bit meditation about the softmmu code today. In the path of the
> > NPT fault the function kvm_mmu_free_some_pages() is called which itself
> > calls kvm_mmu_zap_page(). There the two functions
> > kvm_mmu
Joerg Rodel wrote:
> I did a bit meditation about the softmmu code today. In the path of the
> NPT fault the function kvm_mmu_free_some_pages() is called which itself
> calls kvm_mmu_zap_page(). There the two functions
> kvm_mmu_page_unlink_children() and kvm_mmu_unlink_parents() are called.
> The
On Wed, Aug 27, 2008 at 07:59:24PM +0300, Avi Kivity wrote:
> Avi Kivity wrote:
> >Joerg Rodel wrote:
> >>>Meanwhile, I applied the patch, but I'm very worried about this.
> >>>
> >>
> >>Yes, we are also worried. Another question is why this only happens with
> >>NPT. The SoftMMU code should al
On Mon, Aug 18, 2008 at 05:04:25PM -0500, Anthony Liguori wrote:
> +if (!kvm_enabled() || !qemu_kvm_has_mmu_notifiers())
> +madvise(addr, TARGET_PAGE_SIZE,
> +deflate ? MADV_WILLNEED : MADV_DONTNEED);
The check was reversed so madvise wasn't invoked in the first place i
On Thu, Aug 28, 2008 at 01:06:13PM +0200, Dietmar Maurer wrote:
> Well, I guess I need to update my kernel headers
>
> > Dietmar Maurer wrote:
> > > Compiling latest version 74 give me (on debian 4.0):
> > >
> > > /home/dietmar/pve/pve-kvm-2.6.24/kvm-74/qemu/qemu-kvm.c: In function
> > > 'kvm_set
Raise UDC (Unexpected Disconnect) when a large enough number of
instructions has been executed by the SCRIPTS processor. This "solution"
is much simpler than temporarily interrupting execution.
This remedies the situation with Windows which downloads SCRIPTS code
that busy loops on guest main mem
Hi Anthony,
* On Thursday 28 Aug 2008 18:41:33 Anthony Liguori wrote:
> Amit Shah wrote:
> >> This patch is too big on it's on. It should be split into logical
> >> parts.
> >
> > However, it just adds device assignment support and does nothing else. I
> > don't see a way of splitting this any m
Amit Shah wrote:
* On Wednesday 27 Aug 2008 19:20:26 Anthony Liguori wrote:
libkvm/libkvm-x86.c | 14 +
libkvm/libkvm.h | 27 ++
qemu/Makefile.target|1 +
qemu/hw/device-assignment.c | 600
+++ qemu/hw/device-assign
Hello Ian,
* On Wednesday 27 Aug 2008 19:50:12 Ian Jackson wrote:
> Anthony Liguori writes ("Re: [PATCH 1/1] KVM/userspace: Support for
assigning PCI devices to guests"):
> > Where did this come from originally? It's completely different from
> > what is in xen-unstable. What's in xen-unstable
* On Wednesday 27 Aug 2008 19:20:26 Anthony Liguori wrote:
> Hi Amit,
>
> Amit Shah wrote:
> > With this patch, we can assign a device on the host machine to a
> > guest.
> >
> > A new command-line option, -pcidevice is added.
> > For example, to invoke it for a device sitting at PCI bus:dev.fn
> >
* On Wednesday 27 Aug 2008 19:16:40 Muli Ben-Yehuda wrote:
> On Wed, Aug 27, 2008 at 03:48:54PM +0300, Ben-Ami Yassour1 wrote:
> > On Tue, 2008-08-26 at 18:29 +0300, Amit Shah wrote:
> > > From: Or Sagi <[EMAIL PROTECTED]>
> > > From: Nir Peleg <[EMAIL PROTECTED]>
> > > From: Amit Shah <[EMAIL PROT
* On Wednesday 27 Aug 2008 18:18:54 Ben-Ami Yassour wrote:
> On Tue, 2008-08-26 at 18:29 +0300, Amit Shah wrote:
> > +#define assigned_dev_ioport_read(suffix) \
> > + static uint32_t assigned_dev_ioport_read##suffix(void *opaque, uint32_t
> > addr) \ + {
Dietmar Maurer wrote:
> Well, I guess I need to update my kernel headers
Yeah :)
>> -Ursprüngliche Nachricht-
>> Von: Zhang, Xiantao [mailto:[EMAIL PROTECTED]
>> Gesendet: Donnerstag, 28. August 2008 13:01
>> An: Dietmar Maurer; kvm@vger.kernel.org
>> Betreff: RE: MADV_DONTFORK undeclared
Well, I guess I need to update my kernel headers
> -Ursprüngliche Nachricht-
> Von: Zhang, Xiantao [mailto:[EMAIL PROTECTED]
> Gesendet: Donnerstag, 28. August 2008 13:01
> An: Dietmar Maurer; kvm@vger.kernel.org
> Betreff: RE: MADV_DONTFORK undeclared
>
> Dietmar Maurer wrote:
> > Comp
Dietmar Maurer wrote:
> Compiling latest version 74 give me (on debian 4.0):
>
> /home/dietmar/pve/pve-kvm-2.6.24/kvm-74/qemu/qemu-kvm.c: In function
> 'kvm_setup_guest_memory':
> /home/dietmar/pve/pve-kvm-2.6.24/kvm-74/qemu/qemu-kvm.c:821: error:
> 'MADV_DONTFORK' undeclared (first use in this fu
Compiling latest version 74 give me (on debian 4.0):
/home/dietmar/pve/pve-kvm-2.6.24/kvm-74/qemu/qemu-kvm.c: In function
'kvm_setup_guest_memory':
/home/dietmar/pve/pve-kvm-2.6.24/kvm-74/qemu/qemu-kvm.c:821: error:
'MADV_DONTFORK' undeclared (first use in this function)
/home/dietmar/pve/pve-kvm
The big changes in this release come from upstream qemu: much improved
usb support. You can now have qemu automatically assign usb devices to
the guest, and performance and reliability should both be improved.
For ia64 users, this is the first release that supports building the kvm
external modul
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