Hi there,
I write a piece of code to test the action of Accessed and Dirty bit
of EPT in Intel(R) Core(TM) i3-4130 CPU @ 3.40GHz. Firstly I build a
totally new EPT paging structure with A/D logging on, then run some
operating system codes and log all the EPT violation (say trap log).
At some point
On Sat, Mar 01, 2014 at 03:27:56PM +, Grant Likely wrote:
> I would also reference section 3.3 (Boot Option Variables Default Boot
> Behavior) and 3.4.1.1 (Removable Media Boot Behavior) here. It's fine to
> restate the meaning of the requirement in this spec, but the UEFI spec
> is the authori
* Huangpeng (Peter) (peter.huangp...@huawei.com) wrote:
> Hi David
>
> Where can I get your post-copy git tree?
> I wish to take a look into it first before start live-snapshot design.
It's not yet published, as soon as it shows signs of life and I tidy it up
I'll get it out there.
Dave
--
Dr. D
The following changes since commit 96b14536d935848cffd904f583f67c66169002d8:
virtio-ccw: virtio-ccw adapter interrupt support. (2014-03-04 10:41:04 +0100)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git
tags/kvm-s390-20140306
for you
From: Heinz Graalfs
During set offline processing virtio_grab_drvdata() incorrectly
calls dev_set_drvdata() to remove the virtio_ccw_device from the
parent ccw_device's driver data. This is wrong and ends up in a
hang during virtio_ccw_reset(), as the interrupt handler still
has need of the virti
According to SPC-4, section 4.5.2.1, 252 is the limit of sense data. So
increase the value.
Signed-off-by: Fam Zheng
---
include/linux/virtio_scsi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/virtio_scsi.h b/include/linux/virtio_scsi.h
index 4195b97..a437f7
Il 06/03/2014 09:52, Robie Basak ha scritto:
On Sat, Mar 01, 2014 at 03:27:56PM +, Grant Likely wrote:
I would also reference section 3.3 (Boot Option Variables Default Boot
Behavior) and 3.4.1.1 (Removable Media Boot Behavior) here. It's fine to
restate the meaning of the requirement in thi
Il 06/03/2014 09:47, Fam Zheng ha scritto:
According to SPC-4, section 4.5.2.1, 252 is the limit of sense data. So
increase the value.
Signed-off-by: Fam Zheng
---
include/linux/virtio_scsi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/virtio_scsi.h b/incl
From: Paul Mackerras
Commit 595e4f7e697e ("KVM: PPC: Book3S HV: Use load/store_fp_state functions
in HV guest entry/exit") changed the register usage in kvmppc_save_fp() and
kvmppc_load_fp() but omitted changing the instructions that load and save
VRSAVE.
The result is that the VRSAVE value was
From: "Aneesh Kumar K.V"
This reverts commit 7b490411c37f7ab7965cbdfe5e3ec28eadb6db5b which cause
the below crash in the host.
Unable to handle kernel paging request for data at address 0xf0001223f278
Faulting instruction address: 0xc0202a00
cpu 0x30: Vector: 300 (Data Access) at [c0
On Thu, Mar 06, 2014 at 04:06:09PM +0530, Aneesh Kumar K.V wrote:
> From: "Aneesh Kumar K.V"
>
> This reverts commit 7b490411c37f7ab7965cbdfe5e3ec28eadb6db5b which cause
> the below crash in the host.
>
> Unable to handle kernel paging request for data at address 0xf0001223f278
> Faulting in
On 03/06/2014 11:09 AM, Paolo Bonzini wrote:
> Il 06/03/2014 09:47, Fam Zheng ha scritto:
>> According to SPC-4, section 4.5.2.1, 252 is the limit of sense
>> data. So
>> increase the value.
>>
>> Signed-off-by: Fam Zheng
>> ---
>> include/linux/virtio_scsi.h | 2 +-
>> 1 file changed, 1 insertio
On 03/06/14 10:46, Paolo Bonzini wrote:
> Il 06/03/2014 09:52, Robie Basak ha scritto:
>> On Sat, Mar 01, 2014 at 03:27:56PM +, Grant Likely wrote:
>>> I would also reference section 3.3 (Boot Option Variables Default Boot
>>> Behavior) and 3.4.1.1 (Removable Media Boot Behavior) here. It's fin
Il 06/03/2014 12:22, Hannes Reinecke ha scritto:
On 03/06/2014 11:09 AM, Paolo Bonzini wrote:
Il 06/03/2014 09:47, Fam Zheng ha scritto:
According to SPC-4, section 4.5.2.1, 252 is the limit of sense
data. So
increase the value.
Signed-off-by: Fam Zheng
---
include/linux/virtio_scsi.h | 2 +-
On Thu, Mar 06, 2014 at 12:44:57PM +0100, Laszlo Ersek wrote:
> If I understand correctly, the question is this:
>
> Given a hypervisor that doesn't support non-volatile UEFI variables
> (including BootOrder and Boot), is it possible to automatically
> boot a carefully prepared VM image,
Il 06/03/2014 13:04, Robie Basak ha scritto:
So, for example, the guest OS might, on bootloader or kernel upgrade,
completely replace the boot mechanism, dropping the removable path and
replacing it with a fixed disk arrangement, setting boot variables
appropriately, and assume that it can reboot
Paul Mackerras writes:
> On Thu, Mar 06, 2014 at 04:06:09PM +0530, Aneesh Kumar K.V wrote:
>> From: "Aneesh Kumar K.V"
>>
>> This reverts commit 7b490411c37f7ab7965cbdfe5e3ec28eadb6db5b which cause
>> the below crash in the host.
>>
>> Unable to handle kernel paging request for data at address
Do you have any feedback on this? I'm also adding KVM list as they might
be interested in this.
Zoli
On 28/02/14 19:16, Zoltan Kiss wrote:
The kernel datapath now switched to zerocopy Netlink messages, but that also
means that the pages on frags array are sent straight to userspace. If those
p
Add preprocessor definitions for 32bit segment bases for use in
get_physical_address(). These will also be taken advantage of in the
next patch which adds KVM awareness.
Signed-off-by: James Hogan
Reviewed-by: Aurelien Jarno
---
target-mips/helper.c | 18 --
1 file changed, 12 i
From: Sanjay Lal
COP0 emulation is in-kernel for KVM, so inject IRQ2 (I/O) interrupts via
ioctls.
Signed-off-by: Sanjay Lal
Signed-off-by: James Hogan
Reviewed-by: Aurelien Jarno
Cc: Andreas Färber
---
Changes in v3:
- Pass MIPSCPU to kvm_mips_set_[ipi_]interrupt (Andreas Färber).
Changes
From: Sanjay Lal
Compare/Count timer interrupts are handled in-kernel for KVM, so don't
bother starting it in QEMU.
Signed-off-by: Sanjay Lal
Signed-off-by: James Hogan
Reviewed-by: Aurelien Jarno
---
Changes in v2:
- Expand commit message
- Rebase on v1.7.0
- Wrap comment
---
hw/mips/cpu
MIPS/Linux is unusual in having 128 signals rather than just 64 like
most other architectures. This means its sigmask is 16 bytes instead of
8, so allow arches to override the sigmask->len value passed to the
KVM_SET_SIGNAL_MASK ioctl in kvm_set_signal_mask() by calling
kvm_set_sigmask_len() from k
From: Sanjay Lal
Enable KVM support for MIPS in the build system.
Signed-off-by: Sanjay Lal
Signed-off-by: James Hogan
Reviewed-by: Aurelien Jarno
---
Changes in v2:
- Expand commit message
- Remove GIC code
- Create asm-mips symlink using generic code and move above default
case (Peter
MIPS KVM trap & emulate mode (which is currently the only supported
mode) has to add an extra kseg0/kseg1 at 0x4000 and an extra
kseg2/kseg3 at 0x6000. Take this into account in
get_physical_address() so that debug memory access works.
This is done by translating the address to a standard
This patchset implements KVM support for MIPS32 processors, using Trap &
Emulation.
In KVM mode, CPU virtualization is handled via the kvm kernel module,
while system and I/O virtualization leverage the Malta model already
present in QEMU.
Both Guest kernel and Guest Userspace execute in UM. The
From: Sanjay Lal
Add APIs for converting between KVM guest KSEG0 addresses and guest
physical addresses. These will be used for translating addresses when
loading a kernel ELF in KVM mode.
In KVM trap and emulate mode both the guest kernel and guest userspace
execute in useg:
Guest User addr
In KVM mode the bootrom is loaded and executed from the last 1MB of
DRAM.
Based on "[PATCH 12/12] KVM/MIPS: General KVM support and support for
SMP Guests" by Sanjay Lal .
Signed-off-by: James Hogan
Reviewed-by: Aurelien Jarno
Cc: Peter Maydell
Cc: Sanjay Lal
---
Changes in v3:
- Remove unne
From: Sanjay Lal
Implement the main KVM arch API for MIPS.
Signed-off-by: Sanjay Lal
Signed-off-by: James Hogan
Cc: Aurelien Jarno
Cc: Gleb Natapov
Cc: Paolo Bonzini
Cc: Andreas Färber
Cc: Peter Maydell
---
Changes in v3:
- s/dprintf/DPRINTF/ (Andreas Färber).
- Use "cs" rather than "cp
According to SDM 27.2.3, IDT vectoring information will not be valid on
vmexits caused by external NMIs. So we have to avoid creating such
scenarios by delaying EXIT_REASON_EXCEPTION_NMI injection as long as we
have a pending interrupt because that one would be migrated to L1's IDT
vectoring info o
We cannot rely on the hardware-provided preemption timer support because
we are holding L2 in HLT outside non-root mode. Furthermore, emulating
the preemption will resolve tick rate errata on older Intel CPUs.
The emulation is based on hrtimer which is started on L2 entry, stopped
on L2 exit and e
Move the check for leaving L2 on pending and intercepted IRQs or NMIs
from the *_allowed handler into a dedicated callback. Invoke this
callback at the relevant points before KVM checks if IRQs/NMIs can be
injected. The callback has the task to switch from L2 to L1 if needed
and inject the proper v
As I noticed a rebase conflict of these pending patches and I wanted to
remind the fact that their are still pending ;), a quick update round.
No functional changes since v2.
Jan
Jan Kiszka (3):
KVM: nVMX: Rework interception of IRQs and NMIs
KVM: nVMX: Fully emulate preemption timer
KVM: n
Il 06/03/2014 18:33, Jan Kiszka ha scritto:
As I noticed a rebase conflict of these pending patches and I wanted to
remind the fact that their are still pending ;), a quick update round.
No functional changes since v2.
I wanted to look at these next week indeed.
Paolo
Jan
Jan Kiszka (3):
On Tue, Mar 04, 2014 at 09:13:40AM +0100, Paolo Bonzini wrote:
> Il 04/03/2014 03:40, Ian Pilcher ha scritto:
> >Is this a known problem? I just tried using nested vmx for the first
> >time since upgrading my system from F19 (3.12.?? at the time) to F20,
> >and I cannot start any L2 guests. The L
> -Original Message-
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org]
> On Behalf Of Stefan Hajnoczi
> Sent: Friday, February 14, 2014 7:58 AM
> To: Cedric Bosdonnat
> Cc: Jan Kiszka; qemu-devel; kvm; libvir-l...@redhat.com; Kevin Wolf; Peter
> Maydell; Peter Crosthwaite
On Wed, Mar 05, 2014 at 09:16:45PM +, Li, Bin (Bin) wrote:
> Did you also find out here why this is the case?
>
> Binl:
> Yes. The application running in our customized embedded OS is also real time
> application which is timing sensitive.
> The timing sensitive level varies among the applic
On Thu, Mar 6, 2014 at 9:09 AM, Zoltan Kiss wrote:
> Do you have any feedback on this? I'm also adding KVM list as they might be
> interested in this.
>
> Zoli
>
>
> On 28/02/14 19:16, Zoltan Kiss wrote:
>>
>> The kernel datapath now switched to zerocopy Netlink messages, but that
>> also
>> means
We used to stop the handling of tx when the number of pending DMAs
exceeds VHOST_MAX_PEND. This is used to reduce the memory occupation
of both host and guest. But it was too aggressive in some cases, since
any delay or blocking of a single packet may delay or block the guest
transmission. Consider
On Thu, 03/06 11:09, Paolo Bonzini wrote:
> Il 06/03/2014 09:47, Fam Zheng ha scritto:
> >According to SPC-4, section 4.5.2.1, 252 is the limit of sense data. So
> >increase the value.
> >
> >Signed-off-by: Fam Zheng
> >---
> > include/linux/virtio_scsi.h | 2 +-
> > 1 file changed, 1 insertion(+),
On Thu, 03/06 12:55, Paolo Bonzini wrote:
> Il 06/03/2014 12:22, Hannes Reinecke ha scritto:
> >On 03/06/2014 11:09 AM, Paolo Bonzini wrote:
> >>Il 06/03/2014 09:47, Fam Zheng ha scritto:
> >>>According to SPC-4, section 4.5.2.1, 252 is the limit of sense
> >>>data. So
> >>>increase the value.
> >>
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