Am 20.11.2011 11:59, schrieb Pekka Enberg:
On Sun, 2011-11-20 at 14:14 +0800, Lan, Tianyu wrote:
OK. Thx.
But fsync is too slow. I try to find a way to sync a range of file.
Are there any solutions to meet my purpose?
On Sun, 2011-11-20 at 08:23 +0200, Sasha Levin wrote:
fdatasync() is as
On 11/21/2011 06:42 AM, Chris Wright wrote:
* Avi Kivity (a...@redhat.com) wrote:
On 11/20/2011 04:58 PM, Sasha Levin wrote:
Hi all,
I've been working on adding device assignment to KVM tools, and started
with the basics of just getting a device assigned using the
On 11/21/2011 02:54 AM, Takuya Yoshikawa wrote:
(2011/11/20 20:21), Avi Kivity wrote:
On 11/18/2011 11:18 AM, Xiao Guangrong wrote:
index bb8728e..10524c0 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -307,6 +307,10 @@ static inline struct kvm_vcpu
(2011/11/21 17:34), Avi Kivity wrote:
Do you have any preference for the arguments ordering?
I think placing the target one, memslot in this case, first is
conventional in
the kernel code, except when we want to place kvm or something like
that.
But in kvm code, there seems to be some
On 11/21/2011 04:40 PM, Takuya Yoshikawa wrote:
(2011/11/21 17:34), Avi Kivity wrote:
Do you have any preference for the arguments ordering?
I think placing the target one, memslot in this case, first is
conventional in
the kernel code, except when we want to place kvm or something like
Am 21.11.2011 08:12, schrieb Lan Tianyu:
When meeting request to write the cluster without copied flag,
allocate a new cluster and write original data with modification
to the new cluster. This also adds support for the writing operation
of the qcow2 compressed image. After testing, image file
On Mon, 2011-10-24 at 19:05 +0800, Avi Kivity wrote:
On 10/24/2011 04:50 AM, Alex,Shi wrote:
On Thu, 2011-10-20 at 15:34 +0800, Alex,Shi wrote:
percpu_xxx funcs are duplicated with this_cpu_xxx funcs, so replace them
for further code clean up.
And in preempt safe scenario,
On Mon, Nov 21, 2011 at 9:12 AM, Lan Tianyu tianyu@intel.com wrote:
+/*Allocate clusters according to the size. Find a postion that
+ *can satisfy the size. free_clust_idx is initialized to zero and
+ *Record last position.
+*/
Can you please fix up your comments to use the following
refreshed the patch on latest upstream kernel. Any comments or picking
up are appreciated.
===
From 0dce61dc88b8ed2687b4d5c0633aa54d1f66fdc0 Mon Sep 17 00:00:00 2001
From: Alex Shi alex@intel.com
Date: Tue, 22 Nov 2011 00:05:37 +0800
Subject: [PATCH 3/3] Code clean up for percpu_xxx()
Yeah. I will fix them in the next version.
-Original Message-
From: penb...@gmail.com [mailto:penb...@gmail.com] On Behalf Of Pekka Enberg
Sent: Monday, November 21, 2011 5:06 PM
To: Lan, Tianyu
Cc: kvm@vger.kernel.org; asias.he...@gmail.com; levinsasha...@gmail.com;
On 11/21/2011 11:02 AM, Alex,Shi wrote:
On Mon, 2011-10-24 at 19:05 +0800, Avi Kivity wrote:
On 10/24/2011 04:50 AM, Alex,Shi wrote:
On Thu, 2011-10-20 at 15:34 +0800, Alex,Shi wrote:
percpu_xxx funcs are duplicated with this_cpu_xxx funcs, so replace them
for further code clean up.
percpu_xxx funcs are duplicated with this_cpu_xxx funcs, so replace
them
for further code clean up.
And in preempt safe scenario, __this_cpu_xxx funcs has a bit better
performance since __this_cpu_xxx has no redundant preempt_disable()
Avi:
Would
From: Hongyong Zang zanghongy...@huawei.com
Ivshmem cannot work, and the command lspci cannot show ivshmem BAR2 in the
guest.
As for pci_register_bar(), parameter MemoryRegion should be s-bar instead of
s-ivshmem.
Signed-off-by: Hongyong Zang zanghongy...@huawei.com
---
hw/ivshmem.c |2 +-
On Mon, Nov 21, 2011 at 12:18:45PM +1030, Rusty Russell wrote:
On Wed, 16 Nov 2011 09:18:38 +0200, Michael S. Tsirkin m...@redhat.com
wrote:
My unlocked kick patches will trip this warning: they make
virtio-net do add + get without kick.
Heh, it's a good sign if they do, since that means
I'm not an expert on the architecture of KVM, so perhaps this is a QEMU
question. If so, please let me know and I'll ask on a different list.
Background:
Assuming the block layer can make instantaneous snapshots of a guest's
disk (e.g. lvcreate -s), one can get crash consistent (i.e. as if the
On 11/21/2011 12:56 PM, zanghongy...@huawei.com wrote:
From: Hongyong Zang zanghongy...@huawei.com
Ivshmem cannot work, and the command lspci cannot show ivshmem BAR2 in the
guest.
As for pci_register_bar(), parameter MemoryRegion should be s-bar instead of
s-ivshmem.
Signed-off-by:
On 11/21/2011 02:01 PM, Richard Laager wrote:
I'm not an expert on the architecture of KVM, so perhaps this is a QEMU
question. If so, please let me know and I'll ask on a different list.
It is a qemu question, yes (though fork()ing a guest also relates to kvm).
Background:
Assuming the
When meeting request to write the cluster without copied flag,
allocate a new cluster and write original data with modification
to the new cluster. This also adds support for the writing operation
of the qcow2 compressed image. After testing, image file can pass
through qemu-img check. The
On 2011-11-21 20:31, Avi Kivity wrote:
On 11/21/2011 02:01 PM, Richard Laager wrote:
I'm not an expert on the architecture of KVM, so perhaps this is a QEMU
question. If so, please let me know and I'll ask on a different list.
It is a qemu question, yes (though fork()ing a guest also relates
On Tue, Nov 08, 2011 at 09:33:04AM -0800, Chris Wright wrote:
* Alexander Graf (ag...@suse.de) wrote:
On 29.10.2011, at 20:45, Bharata B Rao wrote:
As guests become NUMA aware, it becomes important for the guests to
have correct NUMA policies when they run on NUMA aware hosts.
On Mon, 2011-11-21 at 20:48 +0530, Bharata B Rao wrote:
I looked at Peter's recent work in this area.
(https://lkml.org/lkml/2011/11/17/204)
It introduces two interfaces:
1. ms_tbind() to bind a thread to a memsched(*) group
2. ms_mbind() to bind a memory region to memsched group
I
On Mon, Nov 21, 2011 at 04:25:26PM +0100, Peter Zijlstra wrote:
On Mon, 2011-11-21 at 20:48 +0530, Bharata B Rao wrote:
I looked at Peter's recent work in this area.
(https://lkml.org/lkml/2011/11/17/204)
It introduces two interfaces:
1. ms_tbind() to bind a thread to a
Hi
Please send in any agenda items you are interested in covering.
Later, Juan.
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On Tue, Nov 15, 2011 at 11:47:58AM +0100, ext Juan Quintela wrote:
Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp wrote:
Adding qemu-devel ML to CC.
Your question should have been sent to qemu-devel ML because the logic
is implemented in QEMU, not KVM.
(2011/11/11 1:35), Oliver
On Mon, 2011-11-21 at 21:30 +0530, Bharata B Rao wrote:
In the original post of this mail thread, I proposed a way to export
guest RAM ranges (Guest Physical Address-GPA) and their corresponding host
host virtual mappings (Host Virtual Address-HVA) from QEMU (via QEMU monitor).
The idea was
From: Jan Kiszka jan.kis...@siemens.com
Also invoke the mask notifier if the global MSI-X mask is modified. For
this purpose, we push the notifier call from the per-vector mask update
to the central msix_handle_mask_update.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
Signed-off-by: Michael
On 11/18/2011 9:40 AM, Ben Hutchings wrote:
On Fri, 2011-11-18 at 08:58 -0800, Greg Rose wrote:
On 11/17/2011 4:44 PM, Ben Hutchings wrote:
On Thu, 2011-11-17 at 16:32 -0800, Greg Rose wrote:
On 11/17/2011 4:15 PM, Ben Hutchings wrote:
Sorry to come to this rather late.
On Tue, 2011-11-08
On 11/21/2011 05:25 PM, Peter Zijlstra wrote:
On Mon, 2011-11-21 at 20:48 +0530, Bharata B Rao wrote:
I looked at Peter's recent work in this area.
(https://lkml.org/lkml/2011/11/17/204)
It introduces two interfaces:
1. ms_tbind() to bind a thread to a memsched(*) group
2.
On Mon, 2011-11-21 at 20:03 +0200, Avi Kivity wrote:
Does ms_mbind() require that its vmas in its area be completely
contained in the region, or does it split vmas on demand? I suggest the
latter to avoid exposing implementation details.
as implemented (which is still rather incomplete) it
On Sun, Nov 20, 2011 at 04:08:59PM -0500, Kevin O'Connor wrote:
On Sun, Nov 20, 2011 at 07:56:43PM +0200, Michael S. Tsirkin wrote:
Here's an updated revision of acpi runtime patching patchset.
Lightly tested.
It looks good to me.
-Kevin
Run some linux and windows tests, things seem to
On 11/21/2011 10:00 AM, Juan Quintela wrote:
Hi
Please send in any agenda items you are interested in covering.
I'm technical on holiday this week so I won't be attending.
But as an FYI, I ran across seccomp-nurse[1] this weekend. It more or less
let's you write a python program to
* Peter Zijlstra (a.p.zijls...@chello.nl) wrote:
On Mon, 2011-11-21 at 21:30 +0530, Bharata B Rao wrote:
In the original post of this mail thread, I proposed a way to export
guest RAM ranges (Guest Physical Address-GPA) and their corresponding host
host virtual mappings (Host Virtual
(cc'ing hpa and quoting whole body)
On Mon, Nov 21, 2011 at 05:10:12PM +0800, Alex,Shi wrote:
refreshed the patch on latest upstream kernel. Any comments or picking
up are appreciated.
===
From 0dce61dc88b8ed2687b4d5c0633aa54d1f66fdc0 Mon Sep 17 00:00:00 2001
From: Alex Shi
On 11/21/2011 04:56 AM, zanghongy...@huawei.com wrote:
From: Hongyong Zangzanghongy...@huawei.com
Ivshmem cannot work, and the command lspci cannot show ivshmem BAR2 in the
guest.
As for pci_register_bar(), parameter MemoryRegion should be s-bar instead of
s-ivshmem.
Signed-off-by: Hongyong
Due to this commit:
commit 40d6444e91c6ab17e5e8ab01d4eece90cbc4afed
Author: Avi Kivity a...@redhat.com
Date: Tue Nov 15 20:12:17 2011 +0200
configure: build position independent executables on x86-Linux hosts
PIE binaries cannot be linked with non-PIE binaries and make is not smart
On Mon, 21 Nov 2011 13:57:04 +0200, Michael S. Tsirkin m...@redhat.com
wrote:
On Mon, Nov 21, 2011 at 12:18:45PM +1030, Rusty Russell wrote:
On Wed, 16 Nov 2011 09:18:38 +0200, Michael S. Tsirkin m...@redhat.com
wrote:
My unlocked kick patches will trip this warning: they make
On 11/21/2011 04:50 PM, Chris Wright wrote:
* Peter Zijlstra (a.p.zijls...@chello.nl) wrote:
On Mon, 2011-11-21 at 21:30 +0530, Bharata B Rao wrote:
In the original post of this mail thread, I proposed a way to export
guest RAM ranges (Guest Physical Address-GPA) and their corresponding host
This patch set eats the remaining spaghetti in the emulator and
cleans up the large plate.
After this, only trivial cases will be there.
Passed emulator.flat test:
SUMMARY: 90 tests, 0 failures
Thanks,
Takuya
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the
IN : E4, E5, EC, ED
OUT: E6, E7, EE, EF
Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
arch/x86/kvm/emulate.c | 54 ---
1 files changed, 28 insertions(+), 26 deletions(-)
diff --git a/arch/x86/kvm/emulate.c
BT : 0F A3
BTS: 0F AB
BTR: 0F B3
BTC: 0F BB
Group 8: 0F BA
Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
arch/x86/kvm/emulate.c | 77 +++
1 files changed, 38 insertions(+), 39 deletions(-)
diff --git a/arch/x86/kvm/emulate.c
CALL: E8
Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
arch/x86/kvm/emulate.c | 18 ++
1 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 7a9ce6d..6b7a03b 100644
--- a/arch/x86/kvm/emulate.c
MOV: 0F 22 (move to control registers)
MOV: 0F 23 (move to debug registers)
Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
arch/x86/kvm/emulate.c | 52 +++
1 files changed, 30 insertions(+), 22 deletions(-)
diff --git
WRMSR: 0F 30
RDMSR: 0F 32
Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
arch/x86/kvm/emulate.c | 52
1 files changed, 26 insertions(+), 26 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index
CMPXCHG: 0F B0, 0F B1
Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
arch/x86/kvm/emulate.c | 37 +++--
1 files changed, 19 insertions(+), 18 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 906c5eb..799000d
BSF: 0F BC
BSR: 0F BD
Signed-off-by: Takuya Yoshikawa yoshikawa.tak...@oss.ntt.co.jp
---
arch/x86/kvm/emulate.c | 60
1 files changed, 35 insertions(+), 25 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index
On Tue, Nov 22, 2011 at 11:03:04AM +1030, Rusty Russell wrote:
On Mon, 21 Nov 2011 13:57:04 +0200, Michael S. Tsirkin m...@redhat.com
wrote:
On Mon, Nov 21, 2011 at 12:18:45PM +1030, Rusty Russell wrote:
On Wed, 16 Nov 2011 09:18:38 +0200, Michael S. Tsirkin
m...@redhat.com wrote:
On Sun, Nov 20, 2011 at 02:23:52PM +0200, Avi Kivity wrote:
There is no the VMA. There could be multiple VMAs, or none (with the
mmap() coming afterwards). You could do all the checks you want here,
only to have host userspace remap it under your feet. This needs to be
done on a per-page
On 11/21/2011 01:03 PM, Paul Mackerras wrote:
On Sun, Nov 20, 2011 at 02:23:52PM +0200, Avi Kivity wrote:
There is no the VMA. There could be multiple VMAs, or none (with the
mmap() coming afterwards). You could do all the checks you want here,
only to have host userspace remap it
On Mon, Nov 21, 2011 at 02:22:58PM +0200, Avi Kivity wrote:
On 11/21/2011 01:03 PM, Paul Mackerras wrote:
OK, so that's a somewhat different mental model than I had in mind. I
can change the code to do almost everything on a per-page basis at
fault time on POWER7. There is one thing we
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