[ Applies on top of bennee/mttcg/enable-mttcg-for-armv7-v1 after
reverting "translate-all: introduces tb_flush_safe". A trivial
conflict must be solved after applying. ]
This is a first attempt at making tb_flush not have to stop all CPUs.
There are issues as pointed out below, but this could be a
On Fri, Apr 22, 2016 at 15:41:13 +0100, Alex Bennée wrote:
> Emilio G. Cota writes:
(snip)
> > Known issues:
> > - Basically compile-tested only, since I've only run this with
> > single-threaded TCG; I also tried running it with linux-user,
> > but in order to trigger tb_flush I had to make c
On 22 April 2016 at 16:06, Tom Spink wrote:
> So, my question is, how can a TB for a particular block containing a
> constant folded *virtual* PC work, if the MMU mappings change and a
> different virtual address is used to access the same physical address?
>
> E.g. assume we have an instruction s
Unfortunately Linux kernel could send non-aligned requests to qemu-nbd
if the caller is using O_DIRECT and does not align in-memory data to
page. Thus qemu-nbd will call block layer with non-aligned requests.
qcow2_co_write_zeroes forcibly asks the caller to supply block-aligned
data. In the other
The ENET device (present in i.MX6) is "derived" from FEC and backward
compatible with it.
This patch add the necessary support of the added feature in the ENET
device to allow Linux to use it (on supported processors).
Signed-off-by: Jean-Christophe Dubois
---
hw/arm/fsl-imx25.c | 3 +
This adds the ENET device to the i.MX6 SOC.
This was tested by booting Linux on an Qemu i.MX6 instance and accessing
the internet from the linux guest.
Signed-off-by: Jean-Christophe Dubois
---
hw/arm/fsl-imx6.c | 17 +
include/hw/arm/fsl-imx6.h | 2 ++
2 files changed,
This patch series adds Gb ENET Ethernet device to the i.MX6 SOC.
The ENET device is an evolution of the FEC device present on the i.MX25 SOC
and is backward compatible with it.
Therefore the ENET support has been added to the actual Qemu FEC device.
The Patch has been tested by:
* Booting linux
This patch adds:
* based on Eth, UDP, TCP struct present in eth.h instead of hardcoded indexes.
* based on various macros present in eth.h.
* allow to account for optional VLAN header.
Signed-off-by: Jean-Christophe Dubois
---
net/checksum.c | 83 --
On Fri, Apr 22, 2016 at 05:40:49PM -0600, Eric Blake wrote:
> Upstream NBD protocol recently added the ability to efficiently
> write zeroes without having to send the zeroes over the wire,
> along with a flag to control whether the client wants a hole.
>
> Signed-off-by: Eric Blake
>
> ---
> v3
From: Shannon Zhao
KVM-ARM64 supports guest PMU now. This series add the support in machine
virt so that guest could use PMU.
Changes since v1:
* rebase on master
* Address Andrew's comments, add a macro PPI, fix code style, add
cpu_to_le32()
Shannon Zhao (3):
target-arm: kvm64: set guest P
From: Shannon Zhao
Check if kvm supports guest PMUv3. If so, set the corresponding feature
bit for vcpu.
Signed-off-by: Shannon Zhao
---
target-arm/cpu-qom.h | 2 ++
target-arm/kvm64.c | 5 +
2 files changed, 7 insertions(+)
diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h
index
From: Shannon Zhao
Add PMU IRQ number in ACPI table, then we can use PMU in guest through
ACPI.
Signed-off-by: Shannon Zhao
---
hw/arm/virt-acpi-build.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index f51fe39..5031232 100644
---
From: Shannon Zhao
Add a virtual PMU device for virt machine while use PPI 7 for PMU
overflow interrupt number.
Signed-off-by: Shannon Zhao
---
hw/arm/virt.c | 31 +++
include/hw/arm/virt.h | 4
include/sysemu/kvm.h | 1 +
stubs/kvm.c | 5
From: Shannon Zhao
Move acpi_build_srat_memory to common place so that it could be reused
by ARM.
Cc: Michael S. Tsirkin
Cc: Igor Mammedov
Signed-off-by: Shannon Zhao
---
hw/acpi/aml-build.c | 12
hw/i386/acpi-build.c| 20
include/hw/acpi/aml
From: Shannon Zhao
Cc: Michael S. Tsirkin
Cc: Igor Mammedov
Signed-off-by: Shannon Zhao
Reviewed-by: Andrew Jones
---
hw/i386/acpi-build.c| 2 +-
include/hw/acpi/acpi-defs.h | 15 ++-
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/hw/i386/acpi-build.c b/
From: Shannon Zhao
Add a numa-node-id property to specify NUMA information for CPUs.
Signed-off-by: Shannon Zhao
Reviewed-by: Andrew Jones
---
hw/arm/virt.c | 8
1 file changed, 8 insertions(+)
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 56d35c7..fe6b11d 100644
--- a/hw/arm/vir
From: Shannon Zhao
When specifying NUMA for ARM machine, generate /memory node according to
NUMA topology.
Signed-off-by: Shannon Zhao
---
hw/arm/boot.c | 43 +--
1 file changed, 37 insertions(+), 6 deletions(-)
diff --git a/hw/arm/boot.c b/hw/arm/boot.
From: Shannon Zhao
Add NUMA support for machine virt. Tested successfully running a guest
Linux kernel with the following patch applied:
- [PATCH v16 0/6] arm64, numa: Add numa support for arm64 platforms
https://lkml.org/lkml/2016/4/8/571
- [PATCH v5 00/14] ACPI NUMA support for ARM64
https://l
From: Shannon Zhao
To support NUMA, it needs to generate SRAT ACPI table.
Signed-off-by: Shannon Zhao
---
hw/arm/virt-acpi-build.c | 52
1 file changed, 52 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index f51
From: Pavel Butsykin
The idea is simple - backup is "written-once" data. It is written block
by block and it is large enough. It would be nice to save storage
space and compress it.
The patch adds a flag to the qmp/hmp drive-backup command which enables
block compression. Compression should be i
The idea is simple - backup is "written-once" data. It is written block
by block and it is large enough. It would be nice to save storage
space and compress it.
These patches add the ability to compress data during backup. This
functionality is implemented by means of adding options to the qmp/hmp
From: Pavel Butsykin
The idea is simple - backup is "written-once" data. It is written block
by block and it is large enough. It would be nice to save storage
space and compress it.
Signed-off-by: Pavel Butsykin
Signed-off-by: Denis V. Lunev
CC: Jeff Cody
CC: Markus Armbruster
CC: Eric Blake
Hi everybody.
I want to know that is it possible to access registers or micro-architectural
part of a core/cpu in qemu during run time?
if it is not possible, how we can hotplug a core in this emulator?
thanks a lot.
On 04/23/2016 02:40 AM, Eric Blake wrote:
Sector-based blk_write() should die; convert the one-off
variant blk_write_zeroes().
Signed-off-by: Eric Blake
---
include/sysemu/block-backend.h | 4 ++--
block/block-backend.c | 8
block/parallels.c | 3 ++-
qemu-im
On 04/23/2016 02:40 AM, Eric Blake wrote:
We have several block drivers that understand BDRV_REQ_FUA,
and emulate it in the block layer for the rest by a full flush.
But without a way to actually request BDRV_REQ_FUA during a
pass-through blk_pwrite(), FUA-aware block drivers like NBD are
forced
On 2016/4/23 15:45, Andrew Jones wrote:
@@ -456,14 +460,39 @@ static int load_dtb(hwaddr addr, const struct
arm_boot_info *binfo,
> >> goto fail;
> >> }
> >>
> >> +mem_len = (nb_numa_nodes > 0) ? numa_info[0].node_mem :
> >> binfo->ram_size
On Sat, Apr 23, 2016 at 09:01:01AM +0800, Shannon Zhao wrote:
>
>
> On 2016/4/22 22:32, Andrew Jones wrote:
> > On Fri, Mar 25, 2016 at 05:46:20PM +0800, Shannon Zhao wrote:
> >> From: Shannon Zhao
> >>
> >> Add a virtual PMU device for virt machine while use PPI 7 for PMU
> >> overflow interrup
On Sat, Apr 23, 2016 at 09:16:11AM +0800, Shannon Zhao wrote:
>
>
> On 2016/4/22 20:48, Andrew Jones wrote:
> > On Thu, Apr 21, 2016 at 02:23:52PM +0800, Shannon Zhao wrote:
> >> From: Shannon Zhao
> >>
> >> When specifying NUMA for ARM machine, generate /memory node according to
> >> NUMA topol
On 2016/4/23 15:03, Andrew Jones wrote:
> On Sat, Apr 23, 2016 at 09:17:25AM +0800, Shannon Zhao wrote:
>> >
>> >
>> > On 2016/4/22 20:25, Andrew Jones wrote:
>>> > > On Thu, Apr 21, 2016 at 02:23:50PM +0800, Shannon Zhao wrote:
> > >> > From: Shannon Zhao
> > >> >
> > >> > This /
On Sat, Apr 23, 2016 at 09:17:25AM +0800, Shannon Zhao wrote:
>
>
> On 2016/4/22 20:25, Andrew Jones wrote:
> > On Thu, Apr 21, 2016 at 02:23:50PM +0800, Shannon Zhao wrote:
> >> > From: Shannon Zhao
> >> >
> >> > This /distance-map node is used to describe the accessing distance
> >> > between
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