Avi Kivity wrote:
> Jes Sorensen wrote:
>> Ok,
>>
>> Trying once more. After spending a couple of hours trying to follow
>> the QEMU dma codeflow, I have convinced myself Avi is right and those
>> two functions don't need to do the flushing as they all end up
>> calling dma_bdrv_cb() which calls d
: Jes Sorensen [mailto:j...@sgi.com]
Sent: Tuesday, June 02, 2009 6:57 PM
To: Avi Kivity
Cc: Zhang, Xiantao; kvm@vger.kernel.org; kvm-i...@vger.kernel.org; Hollis
Blanchard
Subject: Re: [PATCH] qemu-kvm: Flush icache after dma operations for ia64
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>
Jes Sorensen wrote:
> Zhang, Xiantao wrote:
>> Hi, Jes
>> Have you verified whether it works for you ? You may run kernel
>> build in the guest with 4 vcpus, if it can be done successfully
>> without any error, it should be Okay I think, otherwise, we may need
&
Avi Kivity wrote:
> Gleb Natapov wrote:
>> @@ -130,6 +130,7 @@ struct kvm {
>> int nmemslots;
>> struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
>> KVM_PRIVATE_MEM_SLOTS]; +struct kvm_vcpu *bsp_vcpu;
>> struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
>> struct list_head vm_list;
Avi Kivity wrote:
> Gleb Natapov wrote:
>> Currently vcpu_id is used as an index into vcpus array and as apic id
>> on x86. This is incorrect since apic ids not have to be continuous
>> (they can also encode cpu hierarchy information) and may have values
>> bigger then vcpu array in case of x2apic
Hi, Michael
Since only virtual ioapic uses the lock-less logic, so it shouldn't
introduce the issues. Anyway, it should be safer to add the lock considering
its semantic and future usage models. Would you like to prepare a patch to
enhance it ? Thanks!
Xiantao
Michael S. Tsirkin wrote:
> H
tapov; Christoffer Dall; Zhang, Xiantao; Luck, Tony;
> Yu, Fenghua; Alexander Graf; Benjamin Herrenschmidt; Christian Borntraeger;
> Cornelia Huck
> Subject: [PATCH v2 2/2] KVM: get rid of $(addprefix ../../../virt/kvm/, ...)
> in
> Makefiles
>
> As requested by the KVM ma
Acked-by: Xiantao Zhang
> -Original Message-
> From: Wei Yongjun [mailto:weiyj...@gmail.com]
> Sent: Wednesday, October 17, 2012 11:04 PM
> To: a...@redhat.com; mtosa...@redhat.com; Zhang, Xiantao; Luck, Tony; Yu,
> Fenghua
> Cc: yongjun_...@trendmicro.com.cn; kvm@vg
>From 7ae1cc3ac39e920ecd553902a5f578af8cdb383c Mon Sep 17 00:00:00 2001
From: Xiantao Zhang
Date: Wed, 12 Aug 2009 10:48:18 +0800
Subject: [PATCH] qemu-kvm: ia64 build fix.
fixed missing part for ipf due to common changes.
Signed-off-by: Xiantao Zhang
---
configure |7
>From 94b7ff3a596b43d82e26494484807f3de7eddd40 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang
Date: Wed, 5 Aug 2009 11:27:10 +0800
Subject: [PATCH] qemu-kvm: add tcg-traget stub for ia64.
Signed-off-by: Xiantao Zhang
---
tcg/ia64/tcg-target.c | 222 ++
+ * Copyright (C) 2006 Qumranet
+ *
+ * Authors:
+ *
+ * Avi Kivity
+ * Yaniv Kamay
+ *
+ * Copyright (C) 2007 Intel
+ * Added by : Zhang Xiantao
+ *
+ * This work is licensed under the GNU LGPL license, version 2.
+ *
+ */
+
+#include "libkvm.h"
+#include
+#include
#include
+#i
Hi, all
We are working on the scalability work for KVM guests, and found one big
issue exists in linux scheduler and it may impact guest's performance and
scalability a lot for some special workloads running in VM. In the current
Linux scheduler, there are some features to enhance App's per
Avi Kivity wrote:
> (copying lkml and some scheduler folk)
>
> On 04/10/2010 11:16 AM, Zhang, Xiantao wrote:
>> Hi, all
>>We are working on the scalability work for KVM guests, and found
>>one big issue exists in linux scheduler and it may impact guest's
Avi Kivity wrote:
> On 04/12/2010 05:04 AM, Zhang, Xiantao wrote:
>>
>>> What was the performance hit? What was your I/O setup (image
>>> format, using aio?)
>>>
>> The issue only happens when vcpu number is over-committed(e.g.
>> vcpu/pcpu
Avi Kivity wrote:
> On 04/13/2010 03:50 AM, Zhang, Xiantao wrote:
>> Avi Kivity wrote:
>>
>>> On 04/12/2010 05:04 AM, Zhang, Xiantao wrote:
>>>
>>>>
>>>>> What was the performance hit? What was your I/O setup (image
>>>>&g
Avi Kivity wrote:
> On 04/14/2010 06:24 AM, Zhang, Xiantao wrote:
>>
>>>>> Spin loops need to be addressed first, they are known to kill
>>>>> performance in overcommit situations.
>>>>>
>>>>>
>>>> Even in overcomm
Srivatsa Vaddagiri wrote:
> On Thu, Apr 15, 2010 at 03:33:18PM +0200, Peter Zijlstra wrote:
>> On Thu, 2010-04-15 at 11:18 +0300, Avi Kivity wrote:
>>>
>>> Certainly that has even greater potential for Linux guests. Note
>>> that we spin on mutexes now, so we need to prevent preemption while
>>>
>From d53dfacedea40213382694229700d02bfa72d923 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Tue, 19 Aug 2008 17:33:21 +0800
Subject: [PATCH] KVM: KVM/IA-64: Fix kvm/ia64's build issue.
Disable irq ack notification for ia64.
Signed-off-by: Xiantao Zhang <[EMAIL PROTECTED]>
OK, also fine to me! Attached the updated patch.
Thanks
Xiantao
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> From d53dfacedea40213382694229700d02bfa72d923 Mon Sep 17 00:00:00
>> 2001 From: Xiantao Zhang <[EMAIL PROTECTED]>
>> Date: Tue, 19 Aug 2008 17:33:21 +0800
>
>From 217ca6cfa90524d011fb219efcc0ac4e8a5b5e20 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Wed, 20 Aug 2008 18:46:14 +0800
Subject: [PATCH] KVM: Userspace: Make " make sync" get correct header
files with latest Linux source.
In latest linux repo, ia64, s390 and other arc
Hi, Avi
Since ia64 has supported userspace's build, could we include ia64
bits in next release?
Thanks
Xiantao
Avi Kivity wrote:
> The big change is of course full swapping support, finally delivering
> the full range of Linux memory management operations to kvm. You will
> need a 2.6.27 ho
Avi,
Please drop the previous one due to its incompleteness, and help to
check-in this one.
Xiantao
>From ae0e1b37520f6aba051b5ebb47028520383ca494 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Thu, 21 Aug 2008 17:30:32 +0800
Subject: [PATCH] KVM: Userspace: Make " mak
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Hi, Avi
>>Since ia64 has supported userspace's build, could we include ia64
>> bits in next release?
>>
>
> I updated my scripts. I'll send you a test tarball via private mail
> to see I hadn'
Avi Kivity wrote:
> Avi Kivity wrote:
>> Zhang, Xiantao wrote:
>>> Hi, AviSince ia64 has supported userspace's build, could we
>>> include ia64 bits in next release?
>>
>> I updated my scripts. I'll send you a test tarball via private mail
>
Hi, Avi
Please help to apply this patch. It will fix kvm/ia64's networking
issue.
Thanks
Xiantao
>From fe6e28ce9295acba107438979fe6ead0d24f7e20 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Fri, 22 Aug 2008 17:14:15 +0800
Subject: [PATCH] KVM: Qemu: Enable kvm/ia64's ne
>From 2c14c54eed790553fddbcb3970f0967a4aa79dca Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 23 Aug 2008 10:21:06 +0800
Subject: [PATCH] KVM: kvm/ia64: select ANON_INODES PREEMPT_NOTIFIERS,
once
virtualization configured.
Once virtulization configured, make PREEMPT_NO
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Hi, Avi
>>Please help to apply this patch. It will fix kvm/ia64's
>> networking issue. Thanks
>> Xiantao
>> From fe6e28ce9295acba107438979fe6ead0d24f7e20 Mon Sep 17 00:00:00
>> 2001 From: Xiantao Zhang &
pci_dev->irq_state[irq_num] = level;
+
+#if defined(TARGET_IA64)
+ioapic_set_irq(pci_dev, irq_num, level);
+#endif
+
for (;;) {
bus = pci_dev->bus;
irq_num = bus->map_irq(pci_dev, irq_num);
--
1.5.1
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL P
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> From 2c14c54eed790553fddbcb3970f0967a4aa79dca Mon Sep 17 00:00:00
>> 2001 From: Xiantao Zhang <[EMAIL PROTECTED]>
>> Date: Sat, 23 Aug 2008 10:21:06 +0800
>> Subject: [PATCH] KVM: kvm/ia64: select ANON_INODES
>>
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Avi Kivity wrote:
>>
>>> Zhang, Xiantao wrote:
>>>
>>>> From 2c14c54eed790553fddbcb3970f0967a4aa79dca Mon Sep 17 00:00:00
>>>> 2001 From: Xiantao Zhang <[EMAIL PROTECTED]>
>>>>
>From 31f8488afa4336362464ed5b9f0c84a9a0fd0c94 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Mon, 25 Aug 2008 18:57:39 +0800
Subject: [PATCH] KVM:Qemu: Enable virtio for kvm/ia64.
Enable virtio-blk for kvm/ia64.
Signed-off-by: Xiantao Zhang <[EMAIL PROTECTED]>
---
qemu/hw
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> But if users don't configure it @ building kernel, they can't
>> exercise kvm unless re-configure and re-build the host kernel.
>> Generally, we should allow users to build kvm in the form of
>> modules, and
Since userspace is ready to use virtio driver. Enable it for ia64 in
kernel.
Thanks
Xiantao
>From 5bc596fd2a18aa6d325686dc257952b1d6fb436b Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Tue, 26 Aug 2008 08:58:53 +0800
Subject: [PATCH] IA64: KVM: Enable virtio driver for ia
Maybe vtd.c should be put @ virt/kvm so that ia64 can share it to avoid
future code move.
Thanks
Xiantao
Amit Shah wrote:
> From: Ben-Ami Yassour <[EMAIL PROTECTED]>
>
> Based on a patch by: Kay, Allen M <[EMAIL PROTECTED]>
>
> This patch enables PCI device assignment based on VT-d support.
>
Amit Shah wrote:
> * On Tuesday 26 Aug 2008 15:58:42 Zhang, Xiantao wrote:
>> Maybe vtd.c should be put @ virt/kvm so that ia64 can share it to
>> avoid future code move.
>
> As of now, device assignment resides inside the x86 directory and is
> only tested in x86 envi
Amit Shah wrote:
> * On Tuesday 26 Aug 2008 16:12:56 Zhang, Xiantao wrote:
>> Amit Shah wrote:
>>> * On Tuesday 26 Aug 2008 15:58:42 Zhang, Xiantao wrote:
>>>> Maybe vtd.c should be put @ virt/kvm so that ia64 can share it to
>>>> avoid future code m
l-module-compat.h
@@ -5,6 +5,7 @@
#include
#include
+#include
#include "../external-module-compat-comm.h"
diff --git a/kernel/hack-module.awk b/kernel/x86/hack-module.awk
similarity index 100%
rename from kernel/hack-module.awk
rename to kernel/x86/hack-module.awk
--
1.5.1
Zhan
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Hi, Avi
>>A updated version. Please review again. Thanks.
>> Xiantao
>> From 689bdb4c0506a1b6b24e9c481634593052ee2cc0 Mon Sep 17 00:00:00
>> 2001 From: Xiantao Zhang <[EMAIL PROTECTED]>
>> Date: Tue,
>From 74cc2bedddc4f97d8901a43d5ac65f938156e2df Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Thu, 28 Aug 2008 09:34:08 +0800
Subject: [PATCH] KVM/IA64: Implement
kvm_arch_vcpu_ioctl_{set,get}_mpstate.
Two ioctl arch functions are added to set/get vcpu's mpstate.
Signed-off
>From 1de77b49314cfbabd65a6aef4d25430de22f2a61 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Thu, 28 Aug 2008 11:04:02 +0800
Subject: [PATCH] kvm/ia64: Qemu : Add get/set_mpstate for Ipf.
Add get/set_mpstate for Ipf.
Signed-off-by: Xiantao Zhang <[EMAIL PROTECTED]>
---
li
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
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
&g
>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
Resend. Privious one forgets to remove debug info. Sorry!
Xiantao
>From 8c032c78665745ef421a75d2a9465d392f068c93 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 30 Aug 2008 08:36:03 +0800
Subject: [PATCH] kvm/ia64: Qemu : Add get/set_mpstate for Ipf.
Add get/set_mpstat
>From 6039f279745733c52b291ec45c69eca028567c62 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sun, 31 Aug 2008 14:27:23 +0800
Subject: [PATCH] KVM: Qemu: Set default pm_io_base to 0x1f40.
The firmware of kvm/ia64 use 0x1f40 as default pm_io_base,
and doesn't have re-configu
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> From 6039f279745733c52b291ec45c69eca028567c62 Mon Sep 17 00:00:00
>> 2001 From: Xiantao Zhang <[EMAIL PROTECTED]>
>> Date: Sun, 31 Aug 2008 14:27:23 +0800
>> Subject: [PATCH] KVM: Qemu: Set default pm_io_base to 0x1f40
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Avi Kivity wrote:
>>
>>> Zhang, Xiantao wrote:
>>>
>>>> From 6039f279745733c52b291ec45c69eca028567c62 Mon Sep 17 00:00:00
>>>> 2001 From: Xiantao Zhang <[EMAIL PROTECTED]>
>>>>
Jes Sorensen wrote:
> Hi,
>
> This one kills a few missing prototype warnings during compile time
> on ia64. These are always risky given that the Linux ia64 text and
> data segments are outside the 32bit window
>
> cheers,
> Jes
Thanks Jes! Maybe we should do more investigations on such co
For kvm/ia64, kvm-intel module is relocated to an special address space
which is isolated from host address space, so it can't call printk of
host kernel. For printk support, we firstly log the printk output to a
log buffer, and on every vm exit vcpu helps to print the log to host
kernel log buffer
>From 664b02928d8243def2acabe99b33eb5fad77bad1 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Fri, 5 Sep 2008 11:04:24 +0800
Subject: [PATCH] kvm/ia64: Add printk support for kvm-intel modules.
Since this module will be reloated to an isolated address
space from host side,
>From 854b17c64d425c685160d50686bd15fcf5e862bd Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Fri, 5 Sep 2008 19:02:32 +0800
Subject: [PATCH] kvm/ia64: Add show_registers for kvm-intel.
Add show_registers for kvm-intel, and call it to show
registers once vm panic.
Signed-of
>From b0c2d5e90957341b6f1e13bc80d2bc77e9aa01be Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 6 Sep 2008 10:51:37 +0800
Subject: [PATCH] kvm/ia64: external module: Add printk support for
kvm-intel.
Signed-off-by: Xiantao Zhang <[EMAIL PROTECTED]>
---
kernel/Makefile
Hi, Amit
> ---
> libkvm/libkvm-x86.c | 14 +
> libkvm/libkvm.h | 27 ++
> qemu/Makefile.target|1 +
> qemu/hw/device-assignment.c | 600
> +++
> qemu/hw/device-assignment.h | 94 +++ qemu/hw/isa.h
> |
Resend.
Avi,
Please help to apply it, Thanks!
Xiantao
>From 8df3865407420142f1e367616ca41ebf0a4e6e29 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Tue, 9 Sep 2008 22:47:55 +0800
Subject: [PATCH] kvm/ia64: Add printk support for kvm-intel modules.
Since this mod
>From 854b17c64d425c685160d50686bd15fcf5e862bd Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Fri, 5 Sep 2008 19:02:32 +0800
Subject: [PATCH] kvm/ia64: Add show_registers for kvm-intel.
Add show_registers for kvm-intel, and call it to show
registers once vm panic.
Signed-of
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Resend.
>> Avi,
>> Please help to apply it, Thanks!
>> Xiantao
>>
>>
>
> (sorry for the late review)
>
>> Since this module will be reloated to an isolated address
>> space from host
_LOG - 1, fmt,
args);
+ va_end(args);
+ vcpu->arch.vmm_has_log = 1;
+ vmm_log->w_pointer++;
+ wmb();
+ vmm_spin_unlock(&vmm_log->log_lock);
+
+ return r;
+}
+
module_init(kvm_vmm_init)
module_exit(kvm_vmm_exit)
--
1.5.1
Avi Kivity wrote:
> Zhang,
>From 83aad940031be99047ddefefda28fc38c24a4a8b Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Fri, 12 Sep 2008 20:23:11 +0800
Subject: [PATCH] kvm/ia64: Implement an uniform vps interface.
An uniform entry kvm_vps_entry is added for
vps_sync_write/read, vps_resume_handler/g
>From d98f59097f2c94a6a4bd29163ee1fcb33553db47 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 13 Sep 2008 06:21:22 +0800
Subject: [PATCH] kvm/ia64: Add the support for Tukwila processors.
In Tukwila processor, VT-i has been enhanced in its
implementation, it is often c
Alexander Graf wrote:
> KVM as is assumes that the kernel obj dir and the kernel source dir
> are at the same location. This is true for most self-built vanilla
> kernels, but some distributions split these up (e.g. SUSE).
> To keep compatible and have users have a good experience on building
> KVM
Alexander Graf wrote:
> KVM as is assumes that the kernel obj dir and the kernel source dir
> are at the same location. This is true for most self-built vanilla
> kernels, but some distributions split these up (e.g. SUSE).
> To keep compatible and have users have a good experience on building
> KVM
Alexander Graf wrote:
> On Sep 16, 2008, at 9:22 AM, Zhang, Xiantao wrote:
>
>> Alexander Graf wrote:
>>> KVM as is assumes that the kernel obj dir and the kernel source dir
>>> are at the same location. This is true for most self-built vanilla
>>> kernels
Seems it lacks device-assignment.[c,h] ?
Xiantao
Amit Shah wrote:
> [This still doesn't include some fixes to review comments.
> I'm posting this just so that people can use this to test
> or base their work off the latest patch.]
>
> From: Or Sagi <[EMAIL PROTECTED]>
> From: Nir Peleg <[EMAIL PR
Amit Shah wrote:
> [This still doesn't include some fixes to review comments.
> I'm posting this just so that people can use this to test
> or base their work off the latest patch.]
>
> From: Or Sagi <[EMAIL PROTECTED]>
> From: Nir Peleg <[EMAIL PROTECTED]>
> From: Amit Shah <[EMAIL PROTECTED]>
>
Amit Shah wrote:
> * On Wednesday 17 Sep 2008 11:24:52 Zhang, Xiantao wrote:
>> Amit Shah wrote:
>>> [This still doesn't include some fixes to review comments.
>>> I'm posting this just so that people can use this to test
>>> or base their work off the
Amit Shah wrote:
> * On Wednesday 17 Sep 2008 12:03:54 Zhang, Xiantao wrote:
>
>>>> Could you move this part to libkvm.c? it should be shared by all
>>>> archs, I think.
>>>
>>> Yes, I have noted this comment from you when you sent it previousl
>From 80c85020dbb421053270b029c0bc4ca2a995f2e5 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Wed, 17 Sep 2008 15:10:37 +0800
Subject: [PATCH] kvm/ia64: Qemu: Set pmcntrl to SCI_EN by default when
initalize acpi.
Fix windows boot issue with acpi enabled.
Signed-off-by: Xian
Alexander Graf wrote:
> On Sep 16, 2008, at 12:22 PM, Zhang, Xiantao wrote:
>
>> Alexander Graf wrote:
>>> On Sep 16, 2008, at 9:22 AM, Zhang, Xiantao wrote:
>>>
>>>> Alexander Graf wrote:
>>>>> KVM as is assumes that the kernel obj dir
Hi, Avi
Seems this patch is missing after merging with Qemu upstream,
please help to apply it again.
Xiantao
>From a6703684b67518ca614bbd2c23060d8f502136ce Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Thu, 18 Sep 2008 14:07:00 +0800
Subject: [PATCH] kvm/ia64: Qem
Yang, Sheng wrote:
> On Wednesday 24 September 2008 14:15:15 Han, Weidong wrote:
>> Hi all,
>>
>> The initial passthrough/VT-d patches have been in kvm, it's time to
>> enhance it, and push them into 2.6.28.
>>
>
> Some supplements:
>
>> Following is the remaining passthrough/VT-d tasks list:
>
In order to enable vt-d suport for kvm/ia64 guests, I worked out the
patchset to make it happen. Please review. The first five patches have
no changes for logic and just do code move.
Xiantao
[PATCH 1/8] kvm/vt-d: Moving vtd.c from arch/x86/kvm/ to virt/kvm/
[PATCH 2/8] kvm: Moving device_assignmen
>From c7e6b365ce145caead0355b87e873c3180a47c5b Mon Sep 17 00:00:00 2001
From: Zhang xiantao <[EMAIL PROTECTED]>
Date: Thu, 11 Sep 2008 13:19:32 +0800
Subject: [PATCH] kvm/vt-d: Moving vtd.c from arch/x86/kvm/ to virt/kvm/
Preparation for kvm/ia64 VT-d support.
Signed-off-by: Zhan
>From 6840c86b777e4a561cc3df7222cf5eb0b0bb9226 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 27 Sep 2008 10:59:36 +0800
Subject: [PATCH] kvm: Moving device_assignment logic to kvm_main.c
To share with other archs, this patch moves device_assignment
logic to common par
>From 3211cc7a86ba050114733f847361478ab25619d7 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 27 Sep 2008 10:55:40 +0800
Subject: [PATCH] kvm: Changing is_mmio_pfn to kvm_is_mmio_pfn, and make
it common
for all archs.
Using kvm prefix to aovid polluting kernel's name
>From bb0c01b997d16ff1c1b9b0e797a581577c385b54 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Mon, 29 Sep 2008 10:59:30 +0800
Subject: [PATCH] kvm: Split arch/x86/kvm/irq.c to two parts.
Moving irq ack notification logic as common, and make
it shared with ia64 side
>From 458f35267872176ed470fd6c5156ccc874ce1dfe Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 27 Sep 2008 11:46:36 +0800
Subject: [PATCH] kvm: Moving irqchip_in_kernel from ioapic.h to irq.h
Moving irqchip_in_kernel from ioapic.h to irq.h.
Signed-off-by: Xiantao Zhang
>From c459cae4b89b445a2b85be915b269676b6ff394f Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 27 Sep 2008 12:52:35 +0800
Subject: [PATCH] kvm/ia64: Make pmt table be able to hold physical mmio
entries.
Don't try to do put_page once the entries are mmio.
Set the tag to
>From a9a2b3445876d788f076893c471f03c4abcfeddf Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sun, 28 Sep 2008 01:39:46 -0700
Subject: [PATCH] kvm/ia64: Add directed mmio range support for kvm
guests.
Using vt-d, kvm guests can be assigned physcial devices, so
this patch in
>From f9d62c51e6c73f62c865b7f5b45440a2d3add4bb Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Mon, 29 Sep 2008 11:00:57 +0800
Subject: [PATCH] kvm/ia64: Add intel iommu support for guests.
With intel iommu hardware, we can assign devices to kvm/ia64 guests.
Signed-off-by: X
If the vt-d patchset is picked up, please apply this patch to
userspace.git for external module support.
>From 36c21b2cb81077b176c7447ccc77ce2823c79af5 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Mon, 29 Sep 2008 11:54:31 +0800
Subject: [PATCH] kvm: External module: Comp
struct kvm_irq_ack_notifier *kian)
+{
+ hlist_add_head(&kian->link, &kvm->arch.irq_ack_notifier_list);
+}
+
+void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
+ struct kvm_irq_ack_notifier *kian)
+{
+ hlist_del(&kian->link
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> +
>> +/* This should be called with the kvm->lock mutex held */
>> +void kvm_set_irq(struct kvm *kvm, int irq, int level) +{
>> +/* Not possible to detect if the guest uses the PIC or the
>> + * IOAPIC. So
Thanks Jes!
Acked-by : Xiantao zhang <[EMAIL PROTECTED]>
-Original Message-
From: Jes Sorensen [mailto:[EMAIL PROTECTED]
Sent: Thursday, October 02, 2008 11:37 PM
To: Avi Kivity; [EMAIL PROTECTED]; kvm@vger.kernel.org; Zhang,
Xiantao
Subject: [patch] fix build breakage of qemu/
= 0;
+ }
}
return 0;
--
1.5.1
Amit Shah wrote:
> * On Monday 29 Sep 2008 10:56:58 Zhang, Xiantao wrote:
>> From c459cae4b89b445a2b85be915b269676b6ff394f Mon Sep 17 00:00:00
>> 2001 From: Xiantao Zhang <[EMAIL PROTECTED]>
>> Dat
Amit Shah wrote:
> * On Monday 29 Sep 2008 10:56:29 Zhang, Xiantao wrote:
>> From: Xiantao Zhang <[EMAIL PROTECTED]>
>> Date: Sat, 27 Sep 2008 10:59:36 +0800
>> Subject: [PATCH] kvm: Moving device_assignment logic to kvm_main.c
>>
>> To share with other ar
Amit Shah wrote:
> * On Friday 03 Oct 2008 13:02:05 Zhang, Xiantao wrote:
>> Amit Shah wrote:
>>> * On Monday 29 Sep 2008 10:56:29 Zhang, Xiantao wrote:
>>>> From: Xiantao Zhang <[EMAIL PROTECTED]>
>>>> Date: Sat, 27 Sep 2008 10:59:36 +0800
>>&
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>>>> diff --git a/include/linux/kvm.h b/include/linux/kvm.h
>>>> index 4269be1..9acf34a 100644
>>>> --- a/include/linux/kvm.h
>>>> +++ b/include/linux/kvm.h
>>>> @@ -383,7 +383,9 @@ struct
is_mmio_pfn(pfn))
mark_page_accessed(pfn_to_page(pfn));
}
EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
void kvm_get_pfn(pfn_t pfn)
{
- if (!is_mmio_pfn(pfn))
+ if (!kvm_is_mmio_pfn(pfn))
get_page(pfn_to_page(pfn));
}
EXPORT_SYMBOL_GPL(kvm
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Avi Kivity wrote:
>>
>>> Zhang, Xiantao wrote:
>>>
>>>> +
>>>> +/* This should be called with the kvm->lock mutex held */
>>>> +void kvm_set_irq(struct kvm *kvm, int irq, int leve
Han, Weidong wrote:
> #ifdef CONFIG_DMAR
> int intel_iommu_found(void);
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index 73b7c52..7a3e1b6 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -293,6 +293,11 @@ struct kvm_irq_ack_notifier {
>
Okay, I will modify it to use variable size.
-Original Message-
From: Avi Kivity [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 07, 2008 9:19 PM
To: Zhang, Xiantao
Cc: [EMAIL PROTECTED]; Avi Kivity; kvm@vger.kernel.org
Subject: Re: [PATCH][1/3] kvm/ia64: Add printk support for kvm
Avi Kivity wrote:
> Zhang, Xiantao wrote:
>> Since linux-ia64 DMAR is not ready in kvm.git, and it should be in
>> linux-ia64.git. So it should be in kvm.git once Avi merged with
>> upstream, so I didn't enable it for kvm/ia64 now. You know, S390
>> has no pci s
Hi, Avi
I have rebased the patchset according to your comments, it can
be applied to current tip of kvm.git. Please review again and apply if
no other concerns. Thanks!
Xiantao
[PATCH 1/8] kvm/vt-d: Moving vtd.c from arch/x86/kvm/ to virt/kvm/
[PATCH 2/8] kvm: Moving device_assignment lo
>From e2a97bd0c64b446336b0995126e1e8df2eda9a00 Mon Sep 17 00:00:00 2001
From: Zhang xiantao <[EMAIL PROTECTED]>
Date: Thu, 11 Sep 2008 13:19:32 +0800
Subject: [PATCH] kvm/vt-d: Moving vtd.c from arch/x86/kvm/ to virt/kvm/
Preparation for kvm/ia64 VT-d support.
Signed-off-by: Zhan
>From 7b6a86a9308844dcd7357fc41b8de83644ebd49b Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Mon, 6 Oct 2008 13:47:38 +0800
Subject: [PATCH] kvm: Moving device_assignment logic to kvm_main.c
To share with other archs, this patch moves device_assignment
logic to common part
>From 1f68c87622830b375a9dc5a14e740ba7e74b8182 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 27 Sep 2008 10:55:40 +0800
Subject: [PATCH] kvm: Changing is_mmio_pfn to kvm_is_mmio_pfn, and make
it common
for all archs.
Using kvm prefix to aovid polluting kernel's name
>From 720dab659e581adba3a7846db6d2f612ffcd83a0 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Mon, 6 Oct 2008 13:48:45 +0800
Subject: [PATCH] kvm: Split arch/x86/kvm/irq.c to two parts.
Moving irq ack notification logic as common, and make
it shared with ia64 side.
Signed-o
>From d8e586869041110bb43f05d7cce722240fa3abda Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Sat, 27 Sep 2008 11:46:36 +0800
Subject: [PATCH] kvm: Moving irqchip_in_kernel from ioapic.h to irq.h
Moving irqchip_in_kernel from ioapic.h to irq.h.
Signed-off-by: Xiantao Zhang
>From 4a736a2b6c4771fa1683d75156db61c1e9ffadba Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Fri, 3 Oct 2008 14:58:09 +0800
Subject: [PATCH] kvm/ia64: Make pmt table be able to hold physical mmio
entries.
Don't try to do put_page once the entries are mmio.
Set the tag to i
>From b6841719cb4cdc4f1631498d16de3a299741022d Mon Sep 17 00:00:00 2001
From: root <[EMAIL PROTECTED]>
Date: Sun, 28 Sep 2008 01:39:46 -0700
Subject: [PATCH] kvm/ia64: Add directed mmio range support for kvm
guests.
Using vt-d, kvm guests can be assigned physcial devices, so
this patch introduce a
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