On Thu, 24 Apr 2008 11:05:39 -0500
Anthony Liguori [EMAIL PROTECTED] wrote:
The first stage is to detect vmentry failures and run x86_emulate() for
a single instruction. If you look at the mailing list, you'll see
patches from myself and Guillaume. This should be enough to allow most
Guillaume Thouvenin wrote:
On Thu, 24 Apr 2008 11:05:39 -0500
Anthony Liguori [EMAIL PROTECTED] wrote:
The first stage is to detect vmentry failures and run x86_emulate() for
a single instruction. If you look at the mailing list, you'll see
patches from myself and Guillaume. This
On Fri, 25 Apr 2008 09:51:04 +0300
Avi Kivity [EMAIL PROTECTED] wrote:
[60108.040894] emulation at (46e53) rip 6e13: ea 18 6e 18
Here cs.rpl == cpl == 0
[60108.072108] emulation at (46e58) rip 6e18: 66 b8 20 00
[60108.103997] emulation at (46e5c) rip 6e1c: 8e d8 8c d0
Chris Lalancette wrote:
Avi Kivity wrote:
Now it uses %rsi instead of %esi, and any junk in the upper bits will
cause the ja to be taken.
We need to get a reduced testcase to the gcc folks, this is a serious
bug. Any changes in the code to work around this would be fragile.
Hi, Avi
Here is the latest EPT patchset.
Change from v3:
1. Build the identity mapping pagetable from kernel rather than userspace. The
address was changed to 0xfffbc000ul
2. Fix the S/R and LM problem.
3. EPT enabled on 32pae host now.
The 2m page should also works, though test blocked by
From cd0cf53ce955328f949893316b4717f051085f5a Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Fri, 25 Apr 2008 10:13:16 +0800
Subject: [PATCH 1/8] KVM: VMX: EPT Feature Detection
Signed-off-by: Sheng Yang [EMAIL PROTECTED]
---
arch/x86/kvm/vmx.c | 63
From 75e9d921390a29ecf9c85dd1370103c921beacd7 Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Fri, 25 Apr 2008 10:17:08 +0800
Subject: [PATCH 2/8] KVM: MMU: Move some defination
Move some defination to mmu.h in order to building common table entries.
Signed-off-by: Sheng Yang
From 143c1240c5e5391f4e108aedfeb4491e6347d04e Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Fri, 25 Apr 2008 10:20:22 +0800
Subject: [PATCH 3/8] KVM: Add kvm_x86_ops get_tdp_level()
The function get_tdp_level() provided the number of tdp level for EPT and
NPT rather than the
From 239f38236196c2321989c64d7c61ff28490b3f00 Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Fri, 25 Apr 2008 21:13:50 +0800
Subject: [PATCH 4/8] KVM: MMU: Add EPT support
Enable kvm_set_spte() to generate EPT entries.
Signed-off-by: Sheng Yang [EMAIL PROTECTED]
---
From 169c62e33ea1dbadc8d2fbc3d4880e63caa4d6ab Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Fri, 25 Apr 2008 21:44:42 +0800
Subject: [PATCH 5/8] KVM: MMU: Remove #ifdef CONFIG_X86_64 to support 4 level
EPT
Currently EPT level is 4 for both PAE and 32e. The patch remove the
From 6edba459ef83a1f2c64c3b782ce67a14e74f9330 Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Fri, 25 Apr 2008 21:44:50 +0800
Subject: [PATCH 6/8] KVM: Export necessary function for EPT
Signed-off-by: Sheng Yang [EMAIL PROTECTED]
---
virt/kvm/kvm_main.c |1 +
1 files
From 30448ffed0d5dad04d0538a53661764128cf05f5 Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Fri, 25 Apr 2008 21:44:52 +0800
Subject: [PATCH 7/8] KVM: VMX: Perpare a identity page table for EPT in real
mode
Signed-off-by: Sheng Yang [EMAIL PROTECTED]
---
arch/x86/kvm/vmx.c
From 592b7855a88266fa19505f0d51fe12ec0eadfa62 Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Fri, 25 Apr 2008 22:14:06 +0800
Subject: [PATCH 8/8] KVM: VMX: Enable EPT feature for KVM
Signed-off-by: Sheng Yang [EMAIL PROTECTED]
---
arch/x86/kvm/mmu.c | 11 ++-
Avi == Avi Kivity [EMAIL PROTECTED] writes:
Avi kvm-devel doesn't do manual moderation. If vger has the
Avi infrastructure, I don't see why you can't continue doing this on
Avi kvm-ppc-devel.
Please don't do this for the kvm-ia64 list either.
Avi btw, we can probably shorten the names to kvm@
Hello everybody
I have problem to boot guests with lilo installed, after I upgrade to
KVM-66 (from 65). Boot sequence always stop with LIL output. With
kvm-65 everythink works great. I have also windows XP guest, which boot
without problem. With -no-kvm, all my guests with lilo start
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Avi Kivity wrote:
Hmm, looking back at the dump:
1811:8d 86 00 00 ff 3f lea0x3fff(%rsi),%eax
1817:83 f8 03cmp$0x3,%eax
181a:0f 87 e2 01 00 00 ja 1a02 svm_set_msr+0x27f
So while gcc is using %rsi, it loads the result
On Friday 25 April 2008 00:56:03 Jerone Young wrote:
This patch handles a guest that is in a wait state. This ensures that the
guest is not allways eating up 100% cpu when it is idle.
Signed-off-by: Jerone Young [EMAIL PROTECTED]
diff --git a/arch/powerpc/kvm/emulate.c
On Friday 25 April 2008 00:56:04 Jerone Young wrote:
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -212,6 +212,9 @@ static void kvmppc_decrementer_func(unsi
{
struct kvm_vcpu *vcpu = (struct
On Friday 25 April 2008 00:56:01 Jerone Young wrote:
This set of patches fixes 100% CPU usage when a guest is idle on PowerPC.
This time it uses common kvm functions to sleep the guest.
Looking much better now, with just a few minor issues to correct. With these
patches applied, about how much
On Fri, 2008-04-25 at 09:00 -0500, Hollis Blanchard wrote:
On Friday 25 April 2008 00:56:01 Jerone Young wrote:
This set of patches fixes 100% CPU usage when a guest is idle on PowerPC.
This time it uses common kvm functions to sleep the guest.
Looking much better now, with just a few
I somehow lost missed this email in my inbox, found it now because it
was strangely still unread... Sorry for the late reply!
On Tue, Apr 22, 2008 at 03:06:24PM +1000, Rusty Russell wrote:
On Wednesday 09 April 2008 01:44:04 Andrea Arcangeli wrote:
--- a/include/linux/mm.h
+++
On Fri, Apr 25, 2008 at 06:56:39PM +0200, Andrea Arcangeli wrote:
+ data-i_mmap_locks = vmalloc(nr_i_mmap_locks *
+ sizeof(spinlock_t));
This is why non-typesafe allocators suck. You want 'sizeof(spinlock_t *)'
here.
+
David S. Ahern wrote:
Avi Kivity wrote:
David S. Ahern wrote:
I added the traces and captured data over another apparent lockup of
the guest.
This seems to be representative of the sequence (pid/vcpu removed).
(+4776) VMEXIT [ exitcode = 0x, rip = 0x
c016127c ]
Avi Kivity wrote:
Hmm, looking back at the dump:
1811:8d 86 00 00 ff 3f lea0x3fff(%rsi),%eax
1817:83 f8 03cmp$0x3,%eax
181a:0f 87 e2 01 00 00 ja 1a02 svm_set_msr+0x27f
So while gcc is using %rsi, it loads the result
* This update consolidates patches, adds more explicit comments, and add wait
check when rfi instruction is emulated.
This set of patches fixes 100% CPU usage when a guest is idle on PowerPC. Idle
CPU usage is now at ~15-16% CPU time. An improvment.
Signed-off-by: Jeorne Young [EMAIL
On Fri, Apr 25, 2008 at 06:56:40PM +0200, Andrea Arcangeli wrote:
Fortunately I figured out we don't really need mm_lock in unregister
because it's ok to unregister in the middle of the range_begin/end
critical section (that's definitely not ok for register that's why
register needs mm_lock).
2 files changed, 23 insertions(+), 3 deletions(-)
arch/powerpc/kvm/emulate.c | 14 ++
arch/powerpc/kvm/powerpc.c | 12 +---
This patch handles a guest that is in a wait state wake up guest that end up
being recheduled and go to sleep. This ensures that the guest is not
2 files changed, 68 insertions(+), 1 deletion(-)
arch/powerpc/platforms/44x/Makefile |2 -
arch/powerpc/platforms/44x/idle.c | 67 +++
This patch has been accepted upstream and will be in 2.6.26. So it will
eventually need to be removed when we move to
On Fri, Apr 25, 2008 at 11:38:21AM +0200, Alexander Graf wrote:
On Apr 25, 2008, at 3:01 AM, Marcelo Tosatti wrote:
Add three PCI bridges to support 128 slots. Vendor and device_id have
been stolen from my test box.
I/O port addresses behind each bridge are statically allocated
On Apr 25, 2008, at 10:39 PM, Marcelo Tosatti wrote:
On Fri, Apr 25, 2008 at 11:38:21AM +0200, Alexander Graf wrote:
On Apr 25, 2008, at 3:01 AM, Marcelo Tosatti wrote:
Add three PCI bridges to support 128 slots. Vendor and device_id
have
been stolen from my test box.
I/O port
David Abrahams wrote:
If I suspend my host while running a Windows XP guest, the whole machine
crashes, so I was hoping to automate hibernation of the guest OS and
integrate that into my host's suspend process. Does anyone know how to
do that?
Hi Dave,
What host OS are you running?
Cam
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Cam Macdonell wrote:
David Abrahams wrote:
If I suspend my host while running a Windows XP guest, the whole machine
crashes, so I was hoping to automate hibernation of the guest OS and
integrate that into my host's suspend process. Does anyone know how to
do that?
Hi Dave,
What host
Valgrind caught this:
==11754== Conditional jump or move depends on uninitialised value(s)
==11754==at 0x50C9BC: kvm_create_pit (libkvm-x86.c:153)
==11754==by 0x50CA7F: kvm_arch_create (libkvm-x86.c:178)
==11754==by 0x50AB31: kvm_create (libkvm.c:383)
==11754==by 0x4EE691:
On Fri, Apr 25, 2008 at 02:25:32PM -0500, Robin Holt wrote:
I think you still need mm_lock (unless I miss something). What happens
when one callout is scanning mmu_notifier_invalidate_range_start() and
you unlink. That list next pointer with LIST_POISON1 which is a really
bad address for the
There is a race between when the vcpu thread issues a create ioctl and when
apic_reset() gets called resulting in getting a badfd error.
main threadvcpu thread
diff --git a/qemu/qemu-kvm.c b/qemu/qemu-kvm.c
index 78127de..3513e8c 100644
--- a/qemu/qemu-kvm.c
+++ b/qemu/qemu-kvm.c
* Ryan Harper [EMAIL PROTECTED] [2008-04-26 00:27]:
There is a race between when the vcpu thread issues a create ioctl and when
apic_reset() gets called resulting in getting a badfd error.
main threadvcpu thread
guilt refresh clipped my text short.
main thread
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