From b410060a395356eb4bca3ae31de7acb8c261b3f1 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 15 May 2008 18:23:27 +0800
Subject: [PATCH] KVM: Enable NMI Watchdog by PIT source
The NMI watchdog used LINT0 of LAPIC to deliver NMI. It didn't disable PIC
after
switch to IOAP
From 069c50dca077796101af3eb5890e3fd31a72743f Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 15 May 2008 18:23:25 +0800
Subject: [PATCH] KVM: VMX: Enable NMI with in-kernel irqchip
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/vmx.c | 125 +
ooked for the test, and it would bring some overhead on interrupt handling,
as well as regression on some version of Windows now(IRQ_NOT_EQUAL_OR_LESS
BSOD). But is it necessary to got NMI watchdog support in KVM? If so, maybe
we need a option(or kernel module parameter) to enable it.
--
Thanks
From 16680d2556ad065b128412b0f5d81f04de25b3f8 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 15 May 2008 09:52:48 +0800
Subject: [PATCH] KVM: IOAPIC/LAPIC: Enable NMI support
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/lapic.c |3 ++-
arch/x
On Tuesday 13 May 2008 00:40:05 Marcelo Tosatti wrote:
> On Sat, May 10, 2008 at 10:12:02AM +0800, Yang, Sheng wrote:
> > > Did you have kvm.git commit 8ae6dc90ac84d9734e343210c8ec709f50cd9d89
> > > when testing this?
> > >
> > > I believe it should fix
On Tuesday 13 May 2008 14:42:17 Yang, Sheng wrote:
> On Monday 12 May 2008 15:54:00 Avi Kivity wrote:
> > Yang, Sheng wrote:
> > > On Friday 09 May 2008 23:49:13 Avi Kivity wrote:
> > >> Yang, Sheng wrote:
> > >>> From 4942a5c35c97e5edb6fe1303e04fb86f2
On Monday 12 May 2008 15:54:00 Avi Kivity wrote:
> Yang, Sheng wrote:
> > On Friday 09 May 2008 23:49:13 Avi Kivity wrote:
> >> Yang, Sheng wrote:
> >>> From 4942a5c35c97e5edb6fe1303e04fb86f25cac345 Mon Sep 17 00:00:00 2001
> >>> From: Sheng Yang <[EMA
On Friday 09 May 2008 23:49:13 Avi Kivity wrote:
> Yang, Sheng wrote:
> > From 4942a5c35c97e5edb6fe1303e04fb86f25cac345 Mon Sep 17 00:00:00 2001
> > From: Sheng Yang <[EMAIL PROTECTED]>
> > Date: Thu, 8 May 2008 16:00:57 +0800
> > Subject: [PATCH 3/4] KVM: VMX:
On Friday 09 May 2008 22:53:00 Marcelo Tosatti wrote:
> On Fri, May 09, 2008 at 03:49:20PM +0800, Yang, Sheng wrote:
> > On Sunday 13 April 2008 17:28:22 Avi Kivity wrote:
> > > Marcelo Tosatti wrote:
> > > > On Fri, Apr 11, 2008 at 03:12:41PM +0300, Avi Kivity wr
On Sunday 13 April 2008 17:28:22 Avi Kivity wrote:
> Marcelo Tosatti wrote:
> > On Fri, Apr 11, 2008 at 03:12:41PM +0300, Avi Kivity wrote:
> >> This breaks ia64 (and shouldn't s390 use this too?)
> >>
> >>>* We will block until either an interrupt or a signal wakes us up
> >>>*/
> >>> wh
From 3a5e332c32a2ec585447505e2503d91cf2fb2a54 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Tue, 1 Apr 2008 14:47:59 +0800
Subject: [PATCH 2/4] KVM: IOAPIC/LAPIC: Enable NMI support
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/lapic.c |3 ++-
arc
From 650cad44069541fcd9fea8be6a78837e812b3dfd Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 8 May 2008 09:58:50 +0800
Subject: [PATCH 1/4] KVM: LAPIC: Unified the duplicate calling of setting IRR
It's strange got two callings of setting IRR seperately for IOAPIC and IPI
From 176a066e5fd0d98cb63e910c93d57f7ec2850105 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 8 May 2008 16:00:59 +0800
Subject: [PATCH 4/4] KVM: Enable NMI Watchdog by PIT source
The NMI watchdog used LINT0 of LAPIC to deliver NMI. It didn't disable PIC
after switch to I
From 4942a5c35c97e5edb6fe1303e04fb86f25cac345 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 8 May 2008 16:00:57 +0800
Subject: [PATCH 3/4] KVM: VMX: Enable NMI with in-kernel irqchip
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/vmx.c | 133
+
, but
vmx_intr_assist() seems a little implicit...
Any comments welcome!
--
Thanks
Yang, Sheng
-
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference
Don't miss this year's exciting event. There's sti
kfree(kvm);
> }
Um... I neglected that...Thanks for point it out!
--
Thanks
Yang, Sheng
-
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference
Don't miss this year's exciting event. There's stil
On Sunday 27 April 2008 17:37:47 Avi Kivity wrote:
> > diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> > index 3dbedf1..7a8640a 100644
> > --- a/arch/x86/kvm/mmu.c
> > +++ b/arch/x86/kvm/mmu.c
> > @@ -1177,8 +1177,15 @@ static int __direct_map(struct kvm_vcpu *vcpu,
> > gpa_t v, int write,
>
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 ++-
arc
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.
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 ch
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 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]>
---
arch/x
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 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 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 +
current hugetlb bug.
--
Thanks
Yang, Sheng
-
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference
Don't miss this year's exciting event. There's still time to save $100.
Use priority code
e NMI
watchlog), about one thousand NMI per second at most. The patchset also did
some clean up on VMX interrupt handling. I would like to push the patch next
week (if the EPT things can be done this week or early next week). So
is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01/";
;)
--
Thanks
Yang, Sheng
-
This SF.net email is sponsored by the 2008 JavaOne(SM) Confere
n my host... But I didn't do more investigate
so I can't tell what's wrong, then I just chose way to keep it working... I
am sorry for not clarify...
--
Thanks
Yang, Sheng
-
This SF.net email is sponsored by
On Thursday 24 April 2008 15:37:53 Avi Kivity wrote:
> Yang, Sheng wrote:
> >> Why not use ept_identity_pagetable != NULL to encode
> >> ept_identity_pagetable_done?
> >
> > ept_identity_pagetable_done was used to indicate if the pagetable was
> > setted up,
On Thursday 24 April 2008 15:15:30 Avi Kivity wrote:
> Yang, Sheng wrote:
> > On Tuesday 22 April 2008 18:16:41 Avi Kivity wrote:
> >> Yang, Sheng wrote:
> >>> From 73c33765f3d879001818cd0719038c78a0c65561 Mon Sep 17 00:00:00 2001
> >>> From: Sheng Yang &
On Tuesday 22 April 2008 18:16:41 Avi Kivity wrote:
> Yang, Sheng wrote:
> > From 73c33765f3d879001818cd0719038c78a0c65561 Mon Sep 17 00:00:00 2001
> > From: Sheng Yang <[EMAIL PROTECTED]>
> > Date: Fri, 18 Apr 2008 17:15:39 +0800
> > Subject: [PATCH] kvm: qemu:
On Friday 18 April 2008 23:54:04 Anthony Liguori wrote:
> Yang, Sheng wrote:
> > On Friday 18 April 2008 21:30:14 Anthony Liguori wrote:
> >> Yang, Sheng wrote:
> >>> @@ -1048,17 +1071,18 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu,
> >>> u64
On Friday 18 April 2008 21:30:14 Anthony Liguori wrote:
> Yang, Sheng wrote:
> > @@ -1048,17 +1071,18 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu,
> > u64 *shadow_pte,
> > * whether the guest actually used the pte (in order to detect
> > * demand paging
From 9e723871299268e844c9e72f3903ba5f4eb71751 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 18 Apr 2008 17:02:59 +0800
Subject: [PATCH 1/5] KVM: VMX: EPT Feature Detection
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/vmx.c | 63 +
From 73c33765f3d879001818cd0719038c78a0c65561 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 18 Apr 2008 17:15:39 +0800
Subject: [PATCH] kvm: qemu: Enable EPT support for real mode
This patch build a identity page table on the last page of VGA bios, and use
it as the gue
From 43eb727046349aac3df52317dbbfd3b4b33c084d Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 18 Apr 2008 17:07:31 +0800
Subject: [PATCH 5/5] KVM: VMX: Enable EPT feature for KVM
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/mmu.c | 11 ++-
arc
From 5d4a79e5edfc09b54bd83a3a289cbb82058e3daa Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 18 Apr 2008 17:05:20 +0800
Subject: [PATCH 4/5] KVM: Export necessary function for EPT
The function gfn_to_gva is necessary for handling EPT violation.
Signed-off-by: Sheng Yang
From a5ee291f056256f8a892393410bc5923ff575a3b Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 18 Apr 2008 17:03:53 +0800
Subject: [PATCH 2/5] KVM: MMU: Move some defination for building common
entries
Move some defination to mmu.h in order to building common table entries
From cb851671421832d37c7d90976b603b59a5c75c79 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 18 Apr 2008 17:05:06 +0800
Subject: [PATCH 3/5] KVM: MMU: Add EPT support
Enable kvm_set_spte() to generate EPT entries.
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x
have impact of scalability...
But currently, S/R and live migration still got problem. I am working on it
now.
--
Thanks
Yang, Sheng
-
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference
Don't miss this y
From 560146a8f93fa61aa6e6a6cc78087e24da8b9693 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 28 Mar 2008 13:18:56 +0800
Subject: [PATCH] KVM: VMX: Enabling MSR Bitmap feature
MSR Bitmap can control if the accessing of MSR causing VM Exit.
Signed-off-by: Sheng Yang <[EMAI
can't support virtual NMI, so oprofile won't
get sample file in normal condition.
There is one way to work around this: using oprofile with timer interrupt
mode. Add "timer=1" module parameter to oprofile. Please refer to oprofile
manual for detail.
BTW: I am working on NMI s
On Sunday 16 March 2008 22:36:57 Avi Kivity wrote:
> Yang, Sheng wrote:
> > From 2d08f4266a8f47d9c52db9d4f629ab5d2f8fd044 Mon Sep 17 00:00:00 2001
> > From: Sheng Yang <[EMAIL PROTECTED]>
> > Date: Thu, 13 Mar 2008 10:22:26 +0800
> > Subject: [PATCH] KVM: Ad
From 134d79f944f8742000fe65dd3fcfa850b9c876d1 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 14 Mar 2008 17:15:07 +0800
Subject: [PATCH] kvm: libkvm: Fix compile warning for kvm_disable_pit_creation
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
libkvm/libkvm.h | 1
From 2d08f4266a8f47d9c52db9d4f629ab5d2f8fd044 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 13 Mar 2008 10:22:26 +0800
Subject: [PATCH] KVM: Add reset support for in kernel PIT
Separate the reset part and prepare for reset support.
Signed-off-by: Sheng Yang <[EMAIL PROT
; existing behavior though for fear of introducing regressions. Perhaps
> Sheng can comment on whether it's necessary to even have a reset handler
> in userspace?
IMO the reset support is needed even it would introduce regression (e would
finally solve the regression if exists, won&#
seems to be the proper fix as there is also a common function:
> kvm_irqchip_in_kernel
> for in kernel irq that handles this the same way.
OK to me. Sorry for inconvenient...
--
Thanks
Yang, Sheng
> Signed-off-by: Jerone Young <[EMAIL PROTECTED]>
> diff --git a/libkvm/libkvm
release_page_dirty(vcpu->arch.time_page);
>
> + /* we verify if the enable bit is set... */
> + if (!(data & 1)) {
> + vcpu->arch.time = NULL;
This line made compiler complaining...
Thanks
Yang, Sheng
-
From a16353c6fd51d5057d748198ba24d272be73d86b Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Tue, 4 Mar 2008 00:50:59 +0800
Subject: [PATCH] KVM: Add save/restore supporting of in kernel PIT
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/i8254.c |7 +
From 19bc8000b0ed1c2021ddb509a3d923e1cd8d53ec Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Mon, 28 Jan 2008 05:10:22 +0800
Subject: [PATCH] KVM: In kernel PIT model
The patch moved PIT from userspace to kernel, and increase the timer accuracy
greatly.
Signed-off-by: Sheng
From 1af4bc979495e9e51b67635d5a9890c559e31078 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 7 Mar 2008 19:13:06 +0800
Subject: [PATCH] kvm: qemu: Add save/restore support for in kernel PIT
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
qemu/hw/i8254.c | 73
++
From 98543bb3c3821e5bc9003bb91d7d0c755394ffac Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 7 Mar 2008 14:24:32 +0800
Subject: [PATCH] kvm: qemu: Add option for enable/disable in kernel PIT
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
libkvm/libkvm-x86.c |9 ++
From 6ff60b78c3280505d84d0dc2619e95a087b88458 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 7 Mar 2008 19:03:52 +0800
Subject: [PATCH] kvm: libkvm: Add interface for PIT save/restore supporting
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
libkvm/libkvm-x86.c | 3
From 0e5d4fad7a6a917232d89afb58b960f6951990de Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Sun, 27 Jan 2008 11:25:29 +0800
Subject: [PATCH] kvm: libkvm: Add Supporting for in-kernel PIT model
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
kernel/Kbuild |2 +-
interrupts pending... We may find more
elegant way to deal with it later.
Thanks
Yang, Sheng
-
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/v
On Friday 07 March 2008 16:53:40 Avi Kivity wrote:
> Yang, Sheng wrote:
> > Found more complex for KVM. Xen pulled pm timer down to kernel part, and
> > used the guest TSC as source. So only adjust TSC is OK for it. But we are
> > still using pm timer in QEmu, which using ho
On Thursday 06 March 2008 17:41:03 Yang, Sheng wrote:
> On Thursday 06 March 2008 16:43:18 Yang, Sheng wrote:
> > On Thursday 06 March 2008 16:06:51 Avi Kivity wrote:
> > > Yang, Sheng wrote:
> > > > Here is the updated patch. I kept 0xff because I think it'
On Thursday 06 March 2008 16:43:18 Yang, Sheng wrote:
> On Thursday 06 March 2008 16:06:51 Avi Kivity wrote:
> > Yang, Sheng wrote:
> > > Here is the updated patch. I kept 0xff because I think it's OK for
> > > understand easily. :)
> >
> > Any ne
On Thursday 06 March 2008 17:14:34 Ingo Molnar wrote:
> * Yang, Sheng <[EMAIL PROTECTED]> wrote:
> > + /* Though spec said the state of 8254 is undefined after power-up,
> > +* seems some tricky OS like Windows XP depends on IRQ0 interrupt
> > +* when boo
Fix a bug when using "--no-kvm-irqchip".
---
libkvm/libkvm-x86.c |9 +
qemu/hw/i8254.c | 12
qemu/qemu-kvm.c |4
qemu/qemu-kvm.h |2 ++
qemu/vl.c | 11 ++-
5 files changed, 33 insertions(+), 5 deletions(-)
diff --git a/libkv
On Thursday 06 March 2008 16:06:51 Avi Kivity wrote:
> Yang, Sheng wrote:
> > Here is the updated patch. I kept 0xff because I think it's OK for
> > understand easily. :)
>
> Any news on the regression with older Linux guests? That's the only
> thing keeping m
On Wednesday 05 March 2008 19:35:40 Yang, Sheng wrote:
> On Wednesday 05 March 2008 17:15:29 Ingo Molnar wrote:
> > * Yang, Sheng <[EMAIL PROTECTED]> wrote:
> > > + val &= 0xff;
> > > + addr &= 3;
> >
> > magic constants.
>
> I will
Thanks for comments!
On Wednesday 05 March 2008 17:15:29 Ingo Molnar wrote:
> * Yang, Sheng <[EMAIL PROTECTED]> wrote:
> > +#if 1
> > +#define pit_debug(fmt, arg...) printk(KERN_WARNING fmt, ##arg)
> > +#else
> > +#define pit_debug(fmt, arg...)
> > +#endif
&
On Wednesday 05 March 2008 14:54:06 Avi Kivity wrote:
> Yang, Sheng wrote:
> > +
> > +static int pit_get_out(struct kvm *kvm, int channel)
> > +{
> > + struct kvm_kpit_channel_state *c =
> > + &kvm->arch.vpit->pit_state.channels[
On Wednesday 05 March 2008 12:25:07 Anthony Liguori wrote:
> Yang, Sheng wrote:
> > On Wednesday 05 March 2008 08:50:24 Anthony Liguori wrote:
> >> So how do we measure the benefits of an in-kernel PIT?
> >
> > On the time accuracy side, one typical example is in R
On Wednesday 05 March 2008 08:50:24 Anthony Liguori wrote:
> Dor Laor wrote:
> > On Tue, 2008-03-04 at 09:52 -0600, Anthony Liguori wrote:
> >> Yang, Sheng wrote:
> >>> Hi
> >>>
> >>> Here is the last in-kernel PIT patch for KVM. The mainly ch
On Tuesday 04 March 2008 21:23:46 Uri Lublin wrote:
> > @@ -492,9 +494,13 @@ PITState *pit_init(int base, qemu_irq irq)
> > PITChannelState *s;
> >
> > s = &pit->channels[0];
> > -/* the timer 0 is connected to an IRQ */
> > -s->irq_timer = qemu_new_timer(vm_clock, pit_irq_timer,
From da231cf5bb50310b4b98cc4b58370723b8e3f65d Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Sun, 27 Jan 2008 11:25:29 +0800
Subject: [PATCH] kvm: libkvm: Add Supporting for in-kernel PIT model
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
kernel/Kbuild |2 +-
From ac2c08ee7a3bcceb8dede74d0d8f1dce0fea8956 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Tue, 4 Mar 2008 08:50:59 +0800
Subject: [PATCH] KVM: Add save/restore supporting of in kernel PIT
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
arch/x86/kvm/i8254.c |7 +
From 40cf60009d1031891a34685b690dad47290a0b04 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Tue, 4 Mar 2008 09:29:55 +0800
Subject: [PATCH] kvm: qemu: Add option for enable/disable in kernel PIT
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
libkvm/libkvm-x86.c |7 ++
From 79f06bc838534fc916f9ca90f89b7778b8e64dfe Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Tue, 4 Mar 2008 09:42:27 +0800
Subject: [PATCH] kvm: libkvm: Add interface for PIT save/restore supporting
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
libkvm/libkvm-x86.c | 3
channel
structure, which explicitly means only one channel (channel 0) would trigger
it.
After fix TSC problem on SMP PAE RHEL5/5.1 guest, now the patch works well
without any modify of kernel parameter.
--
Thanks
Yang, Sheng
From 22b56da8fe8f8e7d38075956bef9205f1dab829d Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Tue, 4 Mar 2008 09:45:16 +0800
Subject: [PATCH] kvm: qemu: Add save/restore support for in kernel PIT
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
---
qemu/hw/i8254.c | 73
++
From f389ff3bc38b1684f15d8073c6d9abd2f2c9 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Mon, 28 Jan 2008 05:10:22 +0800
Subject: [PATCH] KVM: In kernel pit model
The patch moved PIT from userspace to kernel, and increase the timer accuracy
greatly.
Signed-off-by: Sheng
On Monday 03 March 2008 15:42:09 Yang, Sheng wrote:
> On Friday 29 February 2008 20:53:41 Zhao, Yunfeng wrote:
> > Zhao, Yunfeng wrote:
> > > Hi, all,
> > > This is today's KVM test result against kvm.git
> > > 4a7f582a07e14763ee471
(I tried Oracle's bugzilla for details, but failed...)
I suggest reducing the VCPU number to 15, and I remember we've done similar
thing before on ACPI table, for booting Windows 2k.
--
Thanks
Yang, Sheng
From dd358617793c7c7c26e9e1029d54fdd1bff23857 Mon Sep 17 00:00:00 2001
From: Shen
0
> :boot_up_acpi_xp_64_g641 1 0 00
> :boot_up_vista_64_gPAE 1 1 0 00
> :ltp_nightly_64_gPAE 1 1 0 00
> :boot_smp_acpi_win2k3_64 1
1 1 0 00
> :boot_smp_acpi_win2k3_64 1 1 0 0 0
> :boot_up_noacpi_win2k3_6 1 1 0 00
> :kb_nightly_64_g64 1 1 0 00
>
> ==
n my side. Once I was thinking it would somehow affect 2.6.22, for the
kernel would choose one of VCPUs to deliver all the PIT interrupt
alternately. But the test show it's OK.
--
Thanks
Yang, Sheng
-
This SF.net email is sp
s problem. So does RHEL4(kernel 2.6.9).
I don't know if the patch was still needed now, since it was posted long ago(I
don't know which issue it solved). I'd like to post a revert patch if
necessary.
--
Thanks
Yang, Sheng
From de2bedf0890c95828b07ba3d2d98025fd39050a1 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 1 Feb 2008 07:33:13 +0800
Subject: [PATCH] kvm: qemu: Enable EPT support for real mode
The patch allocated one page from 0xcf000 (the last page of vga bios region),
took it as the
From e5ed046f6862a9e314f334458d46f871b7fb8b58 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 1 Feb 2008 06:32:17 +0800
Subject: [PATCH] KVM: Common interface of TLP and feature detection for EPT
The patch export tlp_enabled() from kvm_x86_ops as common interface, and
make
From 1b7e6dcffe5845a05b7bfe42b52d680f17f34d5d Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 1 Feb 2008 06:41:35 +0800
Subject: [PATCH] KVM: Export necessary function to modules()
The function load_pdptrs() is needed by VMX for EPT in PAE mode. The function
gfn_to_hva() i
From 720eee463536fdb6e15dcc5388754ea229c71118 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 1 Feb 2008 06:53:39 +0800
Subject: [PATCH] KVM: VMX: Add swap support for EPT
Add tlp_unmap() in kvm_x86_ops, to support swap of EPT pages. Now EPT can
support linux swap along wi
From 5062793a4aae25b8f701decbcf6dead9a4a38348 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 1 Feb 2008 06:51:01 +0800
Subject: [PATCH] KVM: VMX: Enable EPT feature
For EPT's entry format is different from page table, we would set up EPT in
this
patch. In EPT, hardware C
From 22895ad4778189242dd546c98709bcd3fadb0cf6 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 1 Feb 2008 06:32:19 +0800
Subject: [PATCH] KVM: MMU: Add Two Level Paging (TLP)
For EPT's path is very different from NPT's, the return value of the function
tlp_enable() indicate
From 51705fa4cee9ee6eb4244599a4eb26bb055199c9 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Fri, 1 Feb 2008 05:08:35 +0800
Subject: [PATCH] KVM: Add EPT support in kvm_arch
EPT pointer is a per-domain data, and it contains info more than root_hpa. It
may can be put in a bette
tions(+), 0 deletions(-)
--
Thanks
Yang, Sheng
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From db6524fb36bbf1f297ae171f18de382c32ed6840 Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Tue, 29 Jan 2008 08:17:57 +0800
Subject: [PATCH] KVM: VMX: Fix invalid opcode of VPID
Add the missing "memory" in VPID clobber list, otherwise it would cause
invalid opcode on host.
From 953edae7758f8414cc8de7edfc21699e6edc39cf Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Sun, 27 Jan 2008 11:25:29 +0800
Subject: [PATCH] kvm: libkvm/qemu: Support in-kernel PIT model
Add QEMU parameter for in-kernel PIT. Also disable userspace PIT when we using
the in-ke
From af5d9ee2a189c2f0998c5c46d1fcd25c5cb72f8c Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Mon, 28 Jan 2008 05:10:22 +0800
Subject: [PATCH] KVM: In-kernel PIT model
The patch moved PIT from userspace to kernel, and increase the timer accuracy
greatly.
Signed-off-by: Sheng
ang occurs, seems only
the time out part of PIT interrupts would be injected. For seems it's due to
other clocksource, I would check that later.
--
Thanks
Yang, Sheng
-
This SF.net email is sponsored by: Microsoft
Defy
On Friday 25 January 2008 15:03:28 Avi Kivity wrote:
> Yang, Sheng wrote:
> > I think it's OK for there is a judgment in __invvpid() to see if machine
> > has the ability(also if it is allowed to using VPID). :)
>
> Oh right, I missed that.
>
> We can remove it now
On Friday 25 January 2008 14:52:47 Avi Kivity wrote:
> Yang, Sheng wrote:
> > Here is the updated patch:
>
> Applied, thanks.
>
> > @@ -1714,6 +1788,8 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)
> > vmx_fpu_activate(&vmx->vcpu);
>
On Thursday 24 January 2008 19:50:20 Avi Kivity wrote:
> Yang, Sheng wrote:
> > To allow TLB entries to be retained across VM entry and VM exit, the VMM
> > can now identify distinct address spaces through a new virtual-processor
> > ID (VPID) field of the VMCS.
>
On Thursday 24 January 2008 19:15:57 Aurelien Jarno wrote:
> Yang, Sheng a écrit :
> > From 39551508c869f678f028655c062b3cb5fe4715bc Mon Sep 17 00:00:00 2001
> > From: Sheng Yang <[EMAIL PROTECTED]>
> > Date: Thu, 17 Jan 2008 15:14:33 +0800
> > Subject: [PATCH] K
On Wednesday 23 January 2008 17:46:22 Avi Kivity wrote:
> Yang, Sheng wrote:
> > On Tuesday 22 January 2008 21:54:10 Avi Kivity wrote:
> >> Yang, Sheng wrote:
> >>> +
> >>> +static int pit_get_out(struct kvm *kvm, int channel)
> >>> +{
&g
From 39551508c869f678f028655c062b3cb5fe4715bc Mon Sep 17 00:00:00 2001
From: Sheng Yang <[EMAIL PROTECTED]>
Date: Thu, 17 Jan 2008 15:14:33 +0800
Subject: [PATCH] KVM: VMX: Enable Virtual Processor Identification (VPID)
To allow TLB entries to be retained across VM entry and VM exit, the VMM can
On Tuesday 22 January 2008 21:54:10 Avi Kivity wrote:
> Yang, Sheng wrote:
> > +
> > +/* Compute with 96 bit intermediate result: (a*b)/c */
> > +static u64 muldiv64(u64 a, u32 b, u32 c)
>
> Why do we need such high accuracy for the pit?
The direct reason is we using
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