On 2015/7/3 19:23, Paolo Bonzini wrote:
On 03/07/2015 10:56, Tiejun Chen wrote:
After commit 1cde2930e154 ("sched/preempt: Add static_key() to
preempt_notifiers") is introduced, preempt_notifier_{register, unregister}
always hold a mutex, jump_label_mutex. So in current case this shouldn't
work
On 2015/3/7 3:27, Ken Moffat wrote:
On Fri, Mar 06, 2015 at 12:02:40AM +, Ken Moffat wrote:
I have a very recent qemu i686 image, using a 3.19.0 kernel and
dhclient, which works fine if the host is running a 3.19.0 kernel,
but breaks when the host runs 4.0.0-rc1 or -rc2.
On those, dhcli
On 2014/12/25 18:52, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/24 19:02, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/23 15:26, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/23 9:50, Chen, Tiejun wrote:
On 2014/12/22 17:23, Jamie Heilman wrote:
KVM internal error
On 2014/12/24 19:11, Paolo Bonzini wrote:
On 24/12/2014 12:02, Jamie Heilman wrote:
Running qemu-system-x86_64 -machine pc,accel=kvm -nodefaults works,
my real (headless) kvm guests work, but this new patch makes running
"qemu-system-x86_64 -machine pc,accel=kvm" fail again, this time with
err
On 2014/12/24 19:02, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/23 15:26, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/23 9:50, Chen, Tiejun wrote:
On 2014/12/22 17:23, Jamie Heilman wrote:
KVM internal error. Suberror: 1
emulation failure
EAX=000de494 EBX= ECX
On 2014/12/23 15:26, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/23 9:50, Chen, Tiejun wrote:
On 2014/12/22 17:23, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/21 20:46, Jamie Heilman wrote:
With v3.19-rc1 when I run qemu-system-x86_64 -machine pc,accel=kvm I
get:
KVM: entry
On 2014/12/23 15:26, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/23 9:50, Chen, Tiejun wrote:
On 2014/12/22 17:23, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/21 20:46, Jamie Heilman wrote:
With v3.19-rc1 when I run qemu-system-x86_64 -machine pc,accel=kvm I
get:
KVM: entry
On 2014/12/23 9:50, Chen, Tiejun wrote:
On 2014/12/22 17:23, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/21 20:46, Jamie Heilman wrote:
With v3.19-rc1 when I run qemu-system-x86_64 -machine pc,accel=kvm I
get:
KVM: entry failed, hardware error 0x8021
Looks some MSR writing
On 2014/12/22 17:23, Jamie Heilman wrote:
Chen, Tiejun wrote:
On 2014/12/21 20:46, Jamie Heilman wrote:
With v3.19-rc1 when I run qemu-system-x86_64 -machine pc,accel=kvm I
get:
KVM: entry failed, hardware error 0x8021
Looks some MSR writing issues such a failed entry.
If you&#x
On 2014/12/21 20:46, Jamie Heilman wrote:
With v3.19-rc1 when I run qemu-system-x86_64 -machine pc,accel=kvm I
get:
KVM: entry failed, hardware error 0x8021
Looks some MSR writing issues such a failed entry.
If you're running a guest on an Intel machine without unrestricted mode
support
On 2014/12/16 23:47, Joerg Roedel wrote:
From: Joerg Roedel
When assigning devices to large memory guests (>=128GB guest
memory in the failure case) the functions to create the
IOMMU page-tables for the whole guest might run for a very
long time. On non-preemptible kernels this might cause
Soft
On 2014/11/20 5:05, Paolo Bonzini wrote:
KVM for ia64 has been marked as broken not just once, but twice even,
and the last patch from the maintainer is now roughly 5 years old.
Time for it to rest in piece.
Signed-off-by: Paolo Bonzini
---
I think we also need to sync this in Documentation:
On 2014/11/5 9:43, Chen, Tiejun wrote:
On 2014/11/5 1:33, Paolo Bonzini wrote:
Return a negative error code instead, and WARN() when we should be
covering
the entire 2-bit space of vmcs_field_type's return value. For increased
robustness, add a BUILD_BUG_ON checking the ran
On 2014/11/5 1:33, Paolo Bonzini wrote:
Return a negative error code instead, and WARN() when we should be covering
the entire 2-bit space of vmcs_field_type's return value. For increased
robustness, add a BUILD_BUG_ON checking the range of vmcs_field_to_offset.
Suggested-by: Tiejun Chen
Signe
On 2014/10/31 14:26, Wanpeng Li wrote:
The srcu read lock must be held while accessing memslots (e.g.
when using gfn_to_* functions), however, commit c24ae0dcd3e8
("kvm: x86: Unpin and remove kvm_arch->apic_access_page") call
gfn_to_page() in kvm_vcpu_reload_apic_access_page() w/o hold it in
vmx_
On 2014/10/31 12:33, Wanpeng Li wrote:
The srcu read lock must be held while accessing memslots (e.g.
when using gfn_to_* functions), however, commit c24ae0dcd3e8
("kvm: x86: Unpin and remove kvm_arch->apic_access_page") call
gfn_to_page() in kvm_vcpu_reload_apic_access_page() w/o hold it
which l
On 2014/9/30 15:59, Fengguang Wu wrote:
Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
commit 3dc4f7cfb7441e5e0fed3a02fc81cdaabd28300a
Author: Marcelo Tosatti
AuthorDate: Tue Nov 27 23:28:56 2012 -0200
Commit: Marcelo Tosatti
CommitDate: Tue Nov 2
On 2014/7/2 14:21, Michael S. Tsirkin wrote:
On Thu, Jun 19, 2014 at 05:53:51PM +0800, Tiejun Chen wrote:
Originally the reason to probe ISA bridge instead of Dev31:Fun0
is to make graphics device passthrough work easy for VMM, that
only need to expose ISA bridge to let driver know the real
hard
On 2014/6/30 19:18, Michael S. Tsirkin wrote:
On Thu, Jun 19, 2014 at 05:53:51PM +0800, Tiejun Chen wrote:
Originally the reason to probe ISA bridge instead of Dev31:Fun0
is to make graphics device passthrough work easy for VMM, that
only need to expose ISA bridge to let driver know the real
har
On 2014/6/25 15:55, Paolo Bonzini wrote:
Il 25/06/2014 09:34, Chen, Tiejun ha scritto:
On 2014/6/25 14:48, Paolo Bonzini wrote:
Second problem. Your IGD passthrough code currently works with QEMU's
PIIX4-based machine. But what happens if you try to extend it, so that
Yes, curren
On 2014/6/25 14:48, Paolo Bonzini wrote:
Il 22/06/2014 10:25, Chen, Tiejun ha scritto:
In qemu-upstream, as you commented we can't create this as a ISA class
type explicitly.
Note I didn't say that QEMU doesn't like having two ISA bridges.
I commented that the firmware w
On 2014/6/24 10:59, Zhenyu Wang wrote:
On 2014.06.19 17:53:51 +0800, Tiejun Chen wrote:
Originally the reason to probe ISA bridge instead of Dev31:Fun0
is to make graphics device passthrough work easy for VMM, that
only need to expose ISA bridge to let driver know the real
hardware underneath. T
On 2014/6/20 20:48, Paolo Bonzini wrote:
Il 19/06/2014 11:53, Tiejun Chen ha scritto:
so this mean that isa bridge is still represented with Dev31:Func0
like the native OS. Furthermore, currently we're pushing VGA
passthrough support into qemu upstream, and with some discussion,
we wouldn't set
this ISA bridge. And especially, we wouldn't
provide that ISA bridge with an explicit class type in qemu-upstream, so
we need to the i915 driver to probe pch by checking devfn.
This should work both on the native case and the virtualized case.
Thanks
Tiejun
-Daniel
On Fri, Jun 20, 20
Just ping, any comments?
Thanks
Tiejun
On 2014/6/19 17:53, Tiejun Chen wrote:
Originally the reason to probe ISA bridge instead of Dev31:Fun0
is to make graphics device passthrough work easy for VMM, that
only need to expose ISA bridge to let driver know the real
hardware underneath. This is a
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