The buttons value use macros instead of direct numbers.
If request relative mode, have to add this for
guest vmmouse driver to judge this is a relative packet.
otherwise,vmmouse driver will not match
the condition 'status & VMMOUSE_RELATIVE_PACKET',
and can't report events on the
On Mon, 31 Jul 2023 at 18:24, Helge Deller wrote:
> > I re-read the thread again. As it seems Joel already tried the latest
> > version from me? Sadly I can't test myself on ppc64le (static binary
> > needs klibc-PupSAGgtpafMlSLXOLgje1kXFo8.so in /usr/lib which I can't
> > install on a debian
On 7/31/23 14:02, Richard Henderson wrote:
The following changes since commit 234320cd0573f286b5f5c95ee6d757cf003999e7:
Merge tag 'pull-target-arm-20230731' of
https://git.linaro.org/people/pmaydell/qemu-arm into staging (2023-07-31
08:33:44 -0700)
are available in the Git repository
On Mon, Jul 31, 2023 at 6:15 PM Eugenio Perez Martin
wrote:
>
> On Mon, Jul 31, 2023 at 8:41 AM Jason Wang wrote:
> >
> > On Sat, Jul 29, 2023 at 1:20 AM Eugenio Pérez wrote:
> > >
> > > At this moment the migration of net features that depends on CVQ is not
> > > possible, as there is no
On 2023/7/30 5:18, Richard Henderson wrote:
On 7/28/23 20:16, LIU Zhiwei wrote:
Commit bef6f008b98(accel/tcg: Return bool from page_check_range)
converts
integer return value to bool type. However, it wrongly converted the use
of the API in riscv fault-only-first, where page_check_range < =
On Mon, Jul 31, 2023 at 5:41 PM Eugenio Perez Martin
wrote:
>
> On Mon, Jul 31, 2023 at 10:42 AM Jason Wang wrote:
> >
> > On Mon, Jul 31, 2023 at 4:05 PM Eugenio Perez Martin
> > wrote:
> > >
> > > On Mon, Jul 31, 2023 at 8:36 AM Jason Wang wrote:
> > > >
> > > > On Wed, Jul 26, 2023 at 2:27
On Mon, Jul 17, 2023 at 6:42 AM Igor Mammedov wrote:
>
> On Fri, 14 Jul 2023 13:21:33 -0400
> Stefan Berger wrote:
>
> > On 7/14/23 03:09, Joelle van Dyne wrote:
> > > This logic is similar to TPM TIS ISA device. Since TPM CRB can only
> > > support TPM 2.0 backends, we check for this in
On 8/1/2023 6:46 AM, Daniel Henrique Barboza wrote:
>
>
> On 7/30/23 22:53, Fei Wu wrote:
>> riscv virt platform's memory started at 0x8000 and
>> straddled the 4GiB boundary. Curiously enough, this choice
>> of a memory layout will prevent from launching a VM with
>> a bit more than 2000MiB
On 8/1/2023 1:10 AM, Isaku Yamahata wrote:
On Mon, Jul 31, 2023 at 12:21:42PM -0400,
Xiaoyao Li wrote:
This is the first RFC version of enabling KVM gmem[1] as the backend for
private memory of KVM_X86_PROTECTED_VM.
It adds the support to create a specific KVM_X86_PROTECTED_VM type VM,
and
On Tue, Jul 18, 2023 at 7:16 AM Stefan Berger wrote:
>
>
>
> On 7/17/23 09:46, Igor Mammedov wrote:
> > On Fri, 14 Jul 2023 00:09:21 -0700
> > Joelle van Dyne wrote:
> >
> >> Since this device is gated to only build for targets with the PC
> >> configuration, we should use the ISA bus like with
On 8/1/2023 12:51 AM, Daniel P. Berrangé wrote:
On Mon, Jul 31, 2023 at 12:21:42PM -0400, Xiaoyao Li wrote:
This is the first RFC version of enabling KVM gmem[1] as the backend for
private memory of KVM_X86_PROTECTED_VM.
It adds the support to create a specific KVM_X86_PROTECTED_VM type VM,
This adds initial support for gfxstream and cross-domain. Both
features rely on virtio-gpu blob resources and context types, which
are also implemented in this patch.
gfxstream has a long and illustrious history in Android graphics
paravirtualization. It has been powering graphics in the
- Add meson detection of rutabaga_gfx
- Build virtio-gpu-rutabaga.c + associated vga/pci files when
present
Signed-off-by: Gurchetan Singh
---
hw/display/meson.build| 22 ++
meson.build | 7 +++
meson_options.txt | 2 ++
From: "Dr. David Alan Gilbert"
Define a new capability type 'VIRTIO_PCI_CAP_SHARED_MEMORY_CFG' to allow
defining shared memory regions with sizes and offsets of 2^32 and more.
Multiple instances of the capability are allowed and distinguished
by a device-specific 'id'.
Signed-off-by: Dr. David
From: Antonio Caggiano
This adds preparatory functions needed to:
- decode blob cmds
- tracking iovecs
Signed-off-by: Antonio Caggiano
Signed-off-by: Dmitry Osipenko
Signed-off-by: Gurchetan Singh
---
hw/display/virtio-gpu.c | 11 +++
This change enables rutabaga to receive virtio-gpu-3d hypercalls
when it is active.
Signed-off-by: Gurchetan Singh
---
hw/display/virtio-gpu-base.c | 3 ++-
hw/display/virtio-gpu.c | 5 +++--
softmmu/qdev-monitor.c | 3 +++
softmmu/vl.c | 1 +
4 files changed, 9
From: Antonio Caggiano
The feature can be enabled when a backend wants it.
Signed-off-by: Antonio Caggiano
Reviewed-by: Marc-André Lureau
Signed-off-by: Gurchetan Singh
Reviewed-by: Philippe Mathieu-Daudé
Reviewed-by: Akihiko Odaki
---
hw/display/virtio-gpu-base.c | 3 +++
Latest iteration of rutabaga_gfx + gfxstream patches. Previous versions
available here:
https://patchew.org/QEMU/20230711025649.708-1-gurchetansi...@chromium.org/
https://patchew.org/QEMU/20230421011223.718-1-gurchetansi...@chromium.org/
Changes since v1:
- New error callback hooked into QEMU
From: Gerd Hoffmann
Use VIRTIO_GPU_SHM_ID_HOST_VISIBLE as id for virtio-gpu.
Signed-off-by: Antonio Caggiano
Acked-by: Michael S. Tsirkin
---
hw/display/virtio-gpu-pci.c| 14 ++
hw/display/virtio-gpu.c| 1 +
hw/display/virtio-vga.c| 33
This adds basic documentation for virtio-gpu.
Suggested-by: Akihiko Odaki
Signed-off-by: Gurchetan Singh
---
v2: - Incorporated suggestions by Akihiko Odaki
- Listed the currently supported capset_names (Bernard)
docs/system/device-emulation.rst | 1 +
This modifies the common virtio-gpu.h file have the fields and
defintions needed by gfxstream/rutabaga, by VirtioGpuRutabaga.
The command to run these would be:
-device virtio-vga-rutabaga,capset_names=gfxstream-vulkan:cross-domain, \
On Mon, Jul 31, 2023 at 05:36:37PM -0400, Michael S. Tsirkin wrote:
> On Mon, Jul 31, 2023 at 02:34:22PM -0700, Sean Christopherson wrote:
> > On Mon, Jul 31, 2023, Peter Xu wrote:
> > > On Mon, Jul 31, 2023 at 12:21:46PM -0400, Xiaoyao Li wrote:
> > > > +bool
On 7/28/2023, Mike Maslenkin wrote:
> This patchset contains a trivial compilation fixes for UFS support
> applied to block-next tree.
>
> Cc: Jeuk Kim
> Cc: Stefan Hajnoczi
> Signed-off-by: Mike Maslenkin
Thanks for letting me know.
Reviewed-by: Jeuk Kim
To Stefan,
Could you please add
The arguments for deposit64 are (value, start, length, fieldval); this
appears to have thought they were (value, fieldval, start,
length). Reorder the parameters to match the actual function.
Signed-off-by: Keith Packard
---
target/nios2/nios2-semi.c | 2 +-
1 file changed, 1 insertion(+), 1
> On Jul 31, 2023, at 8:10 AM, Li Feng wrote:
>
> Let's keep the same behavior as vhost-user-blk.
>
> Some old guests kick virtqueue before setting VIRTIO_CONFIG_S_DRIVER_OK.
>
> Signed-off-by: Li Feng
Reviewed-by: Raphael Norwitz
> ---
> hw/scsi/vhost-user-scsi.c | 48
> On Jul 31, 2023, at 8:10 AM, Li Feng wrote:
>
> If the backend crashes and restarts, the device is broken.
> This patch adds reconnect for vhost-user-scsi.
>
> Tested with spdk backend.
>
> Signed-off-by: Li Feng
Reviewed-by: Raphael Norwitz
> ---
> hw/scsi/vhost-user-scsi.c
> On Jul 31, 2023, at 8:10 AM, Li Feng wrote:
>
> Currently the get_inflight_fd will be sent every time the device is started,
> and
> the backend will allocate shared memory to save the inflight state. If the
> backend finds that it receives the second get_inflight_fd, it will release the
>
> On Jul 31, 2023, at 7:38 AM, Li Feng wrote:
>
>
>
>> 2023年7月31日 06:13，Raphael Norwitz 写道：
>>
>>>
>>> On Jul 28, 2023, at 3:49 AM, Li Feng wrote:
>>>
>>>
>>>
2023年7月28日 下午2:04，Michael S. Tsirkin 写道：
On Tue, Jul 25, 2023 at 06:42:45PM +0800, Li Feng wrote:
>
On 7/30/23 22:53, Fei Wu wrote:
riscv virt platform's memory started at 0x8000 and
straddled the 4GiB boundary. Curiously enough, this choice
of a memory layout will prevent from launching a VM with
a bit more than 2000MiB and PCIe pass-thru on an x86 host, due
to identity mapping
On 2023/08/01 0:51, Helge Deller wrote:
On 7/31/23 10:03, Akihiko Odaki wrote:
do_brk() minimizes calls into target_mmap() by aligning the address
with host page size, which is potentially larger than the target page
size.
Keep in mind, that host page size can be smaller than target page size
Instead of using the function number (which is always zero), fetch the
application-provided exit code argument and pass that to the two exit
functions.
Signed-off-by: Keith Packard
---
target/nios2/nios2-semi.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git
Starting from 6.2 the kernel supports UDP segmentation offload, it
uses GSO_UDP_L4 to mark packets with UDP sermentation request
v1->v2:
Enable USO features by default starting from 8.1
Move command-line parameters to the last patch
Andrew Melnychenko (2):
tap: Add USO support to tap device.
USO features of virtio-net device depend on kernel ability
to support them, for backward compatibility by default the
features are disabled on 8.0 and earlier.
Signed-off-by: Yuri Benditovich
Signed-off-by: Andrew Melnychecnko
---
hw/core/machine.c | 4
hw/net/virtio-net.c | 31
From: Andrew Melnychenko
Passing additional parameters (USOv4 and USOv6 offloads) when
setting TAP offloads
Signed-off-by: Yuri Benditovich
Signed-off-by: Andrew Melnychenko
---
hw/net/e1000e_core.c | 2 +-
hw/net/igb_core.c| 2 +-
hw/net/virtio-net.c | 4 +++-
hw/net/vmxnet3.c |
From: Andrew Melnychenko
New features are subject to check with vhost-user and vdpa.
Signed-off-by: Yuri Benditovich
Signed-off-by: Andrew Melnychenko
---
hw/net/vhost_net.c | 3 +++
net/vhost-vdpa.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/hw/net/vhost_net.c
Tap indicates support for USO features according to
capabilities of current kernel module.
Signed-off-by: Yuri Benditovich
Signed-off-by: Andrew Melnychecnko
---
include/net/net.h | 3 +++
net/net.c | 9 +
net/tap-bsd.c | 5 +
net/tap-linux.c | 12
The specification was recently updated so I thought I'd submit a patch.
This does not add support for the CMO node, as I am unsure whether its
pre-requisites are implemented.
Lilly Anderson (1):
Added support for the MMU node in the RHCT
hw/riscv/virt-acpi-build.c | 17 ++---
1
---
hw/riscv/virt-acpi-build.c | 17 ++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c
index 7331248f59..cb36e52169 100644
--- a/hw/riscv/virt-acpi-build.c
+++ b/hw/riscv/virt-acpi-build.c
@@ -119,7 +119,8 @@
On Mon, Jul 31, 2023 at 02:34:22PM -0700, Sean Christopherson wrote:
> On Mon, Jul 31, 2023, Peter Xu wrote:
> > On Mon, Jul 31, 2023 at 12:21:46PM -0400, Xiaoyao Li wrote:
> > > +bool memory_region_can_be_private(MemoryRegion *mr)
> > > +{
> > > +return mr->ram_block && mr->ram_block->gmem_fd
On Mon, Jul 31, 2023, Peter Xu wrote:
> On Mon, Jul 31, 2023 at 12:21:46PM -0400, Xiaoyao Li wrote:
> > +bool memory_region_can_be_private(MemoryRegion *mr)
> > +{
> > +return mr->ram_block && mr->ram_block->gmem_fd >= 0;
> > +}
>
> This is not really MAP_PRIVATE, am I right? If so, is there
On Mon, Jul 31, 2023 at 05:23:55PM -0400, Peter Xu wrote:
> On Mon, Jul 31, 2023 at 12:21:46PM -0400, Xiaoyao Li wrote:
> > +bool memory_region_can_be_private(MemoryRegion *mr)
> > +{
> > +return mr->ram_block && mr->ram_block->gmem_fd >= 0;
> > +}
>
> This is not really MAP_PRIVATE, am I
On Mon, Jul 31, 2023 at 12:21:46PM -0400, Xiaoyao Li wrote:
> +bool memory_region_can_be_private(MemoryRegion *mr)
> +{
> +return mr->ram_block && mr->ram_block->gmem_fd >= 0;
> +}
This is not really MAP_PRIVATE, am I right? If so, is there still chance
we rename it (it seems to be also in
Fabiano Rosas writes:
> Peter Xu writes:
>
>> On Fri, Jul 28, 2023 at 09:15:14AM -0300, Fabiano Rosas wrote:
>>> When waiting for the return path (RP) thread to finish, there is
>>> really nothing wrong in the RP if the destination end of the migration
>>> stops responding, leaving it stuck.
The following changes since commit 234320cd0573f286b5f5c95ee6d757cf003999e7:
Merge tag 'pull-target-arm-20230731' of
https://git.linaro.org/people/pmaydell/qemu-arm into staging (2023-07-31
08:33:44 -0700)
are available in the Git repository at:
https://gitlab.com/rth7680/qemu.git tags
The architecture specification calls for the EPCR to be set to "Address
of next not executed instruction" when there is a floating point
exception (FPE). This was not being done, so fix it by using the same
pattern as syscall. Also, we move this logic down to be done for
instructions not in the
On overflow of code_gen_buffer, we unlock the guest pages we had been
translating, but failed to clear gen_tb. On restart, if we cannot
allocate a TB, we exit to the main loop to perform the flush of all
TBs as soon as possible. With garbage in gen_tb, we hit an assert:
From: Warner Losh
We're hitting an assert when we pass in alignment == 0 since that's not
a power of two. so pass in the ideal page size.
Signed-off-by: Warner Losh
Message-Id: <20230728162927.5009-1-...@bsdimp.com>
Reviewed-by: Richard Henderson
Signed-off-by: Richard Henderson
---
Fixes a race condition (generally without optimization) in which
the subtree is re-read after the protecting if condition.
Cc: qemu-sta...@nongnu.org
Reviewed-by: Peter Maydell
Signed-off-by: Richard Henderson
---
util/interval-tree.c | 15 +--
1 file changed, 9 insertions(+), 6
From: Helge Deller
Commit 7f4f0d9ea870 ("linux-user/arm: Implement __kernel_cmpxchg with host
atomics") switched to use qatomic_cmpxchg() to swap a word with the memory
content, but missed to endianess-swap the oldval and newval values when
emulating an armeb CPU, which expects words to be
Peter Xu writes:
> On Fri, Jul 28, 2023 at 09:15:14AM -0300, Fabiano Rosas wrote:
>> When waiting for the return path (RP) thread to finish, there is
>> really nothing wrong in the RP if the destination end of the migration
>> stops responding, leaving it stuck.
>>
>> Stop returning an error at
This solves a problem in which the store to LowCore during tlb_fill
triggers a clean-page TB invalidation for page0 during translation,
which results in an assertion failure for locked pages.
By delaying the store until after the exception has been raised,
we will have unwound the pages locked
With reserved_va, mmap.c expects to have pre-allocated host address
space for the entire guest address space. When combined with the -B
command-line option, ensure that the chosen address does not overlap
anything else. Ensure that mmap_next_start is within reserved_va,
as we use it within
The change to use translator_use_goto_tb went too far, as the
CF_SINGLE_STEP flag managed by the translator only handles
gdb single stepping and not the architectural single stepping
modeled in DisasContext.singlestep_enabled.
Fixes: 6e9cc373ec5 ("target/ppc: Use translator_use_goto_tb")
While less susceptible to optimization problems than left and right,
interval_tree_iter_next also reads rb_parent(), so make sure that
stores and loads are atomic.
This goes further than technically required, changing all loads to
be atomic, rather than simply the ones in the iteration side. But
Reviewed-by: Peter Maydell
Signed-off-by: Richard Henderson
---
util/interval-tree.c | 13 +
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/util/interval-tree.c b/util/interval-tree.c
index 759562db7d..d86c0752db 100644
--- a/util/interval-tree.c
+++
Ensure that the stores to rb_left and rb_right are complete before
inserting the new node into the tree. Otherwise a concurrent reader
could see garbage in the new leaf.
Cc: qemu-sta...@nongnu.org
Reviewed-by: Peter Maydell
Signed-off-by: Richard Henderson
---
util/interval-tree.c | 6 +-
On Mon, Jul 31, 2023 at 04:26:44PM -0400, Peter Xu wrote:
> On Mon, Jul 31, 2023 at 10:20:40AM +0200, Thomas Huth wrote:
> > On 28/07/2023 16.37, Daniel P. Berrangé wrote:
> > > On Fri, Jul 28, 2023 at 04:27:46PM +0200, Thomas Huth wrote:
> > > > We might want to compile QEMU with Clang on Windows
On 7/31/23 13:31, Claudio Fontana wrote:
> On 7/21/23 11:08, Claudio Fontana wrote:
>>
>> Hello Cornelia, Richard,
>>
>> I had some strange behavior in an s390x TCG VM that I am debugging,
>>
>> and configured latest upstream QEMU with --enable-debug --enable-debug-tcg
>>
>> and I am running the
On Sun, Jul 30, 2023 at 10:43:45AM -0700, Richard Henderson wrote:
> On 7/29/23 14:08, Stafford Horne wrote:
> > The architecture specification calls for the EPCR to be set to "Address
> > of next not executed instruction" when there is a floating point
> > exception (FPE). This was not being
On 7/31/23 11:33, Richard Bagley wrote:
The recent commit 36df75a0a9 corrected one aspect of LUI disassembly
by recovering the immediate argument from the result of LUI with a
shift right by 12. However, the shift right will left-fill with the
sign. By applying a mask we recover an unsigned
We can fail the blk_insert_bs() at init_blk_migration(), leaving the
BlkMigDevState without a dirty_bitmap and BlockDriverState. Account
for the possibly missing elements when doing cleanup.
Fix the following crashes:
Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
On Mon, Jul 31, 2023 at 10:20:40AM +0200, Thomas Huth wrote:
> On 28/07/2023 16.37, Daniel P. Berrangé wrote:
> > On Fri, Jul 28, 2023 at 04:27:46PM +0200, Thomas Huth wrote:
> > > We might want to compile QEMU with Clang on Windows - but it
> > > does not support the __attribute__((gcc_struct))
Hi, Andrei,
On Mon, Jul 31, 2023 at 05:51:49PM +0300, gudkov.and...@huawei.com wrote:
> On Mon, Jul 17, 2023 at 03:08:37PM -0400, Peter Xu wrote:
> > On Tue, Jul 11, 2023 at 03:38:18PM +0300, gudkov.and...@huawei.com wrote:
> > > On Thu, Jul 06, 2023 at 03:23:43PM -0400, Peter Xu wrote:
> > > >
Patch looks correct IMHO. I have a few cosmetic suggestions:
On 7/27/23 05:17, Nikita Shubin wrote:
From: Nikita Shubin
In case of write-only CSR don't return illegal inst error when CSR is
written and lacks read op.
It's worth citing the ISA bits you put down below in the commit msg.
It
The recent commit 36df75a0a9 corrected one aspect of LUI disassembly
by recovering the immediate argument from the result of LUI with a
shift right by 12. However, the shift right will left-fill with the
sign. By applying a mask we recover an unsigned representation of the
20-bit field (which
On 7/31/23 19:43, Helge Deller wrote:
On 7/31/23 18:47, Helge Deller wrote:
On 7/31/23 12:23, Akihiko Odaki wrote:
On 2023/07/31 19:17, Joel Stanley wrote:
On Mon, 31 Jul 2023 at 09:31, Michael Tokarev wrote:
31.07.2023 11:03, Akihiko Odaki wrote:
linux-user was failing on M2 MacBook Air.
ccb86f079a9e4d94918086a9df18c1844347aff8:
Merge tag 'pull-nbd-2023-07-28' ofhttps://repo.or.cz/qemu/ericb into
staging (2023-07-28 09:56:57 -0700)
are available in the Git repository at:
https://git.linaro.org/people/pmaydell/qemu-arm.git
tags/pull-target-arm-20230731
for you to fetch changes up
On 7/31/23 18:47, Helge Deller wrote:
On 7/31/23 12:23, Akihiko Odaki wrote:
On 2023/07/31 19:17, Joel Stanley wrote:
On Mon, 31 Jul 2023 at 09:31, Michael Tokarev wrote:
31.07.2023 11:03, Akihiko Odaki wrote:
linux-user was failing on M2 MacBook Air. Digging into the details, I found
On Mon, Jul 31, 2023 at 04:10:36PM +0200, Philippe Mathieu-Daudé wrote:
> On 31/7/23 11:32, Daniel P. Berrangé wrote:
>
> > I was surprised to see that we're not using ccache in gitlab CI. It wouldn't
> > help the from-clean compile time, but thereafter it ought to help. I'm doing
> > some tests
Xiaoyao Li writes:
> From: Isaku Yamahata
>
> Signed-off-by: Isaku Yamahata
> Signed-off-by: Xiaoyao Li
[...]
> diff --git a/qapi/qom.json b/qapi/qom.json
> index 7f92ea43e8e1..e0b2044e3d20 100644
> --- a/qapi/qom.json
> +++ b/qapi/qom.json
> @@ -605,6 +605,9 @@
> # @reserve: if true,
On Mon, Jul 31, 2023 at 11:40:36AM -0400, Stefan Hajnoczi wrote:
> Hi,
> qemu-img -t writeback -T writeback is not designed to run with the Linux
> cgroup v1 memory controller because dirtying too much page cache leads
> to process termination instead of usual non-cgroup and cgroup v2
> throttling
On Mon, Jul 31, 2023 at 12:21:42PM -0400,
Xiaoyao Li wrote:
> This is the first RFC version of enabling KVM gmem[1] as the backend for
> private memory of KVM_X86_PROTECTED_VM.
>
> It adds the support to create a specific KVM_X86_PROTECTED_VM type VM,
> and introduces 'private' property for
On Mon, Jul 31, 2023 at 09:42:27AM -0300, Fabiano Rosas wrote:
> They are made redundant by
> trace_await_return_path_close_on_source_joining() and
> trace_await_return_path_close_on_source_close() which already exist in
> the function.
Oh.. that's okay then. Thanks,
--
Peter Xu
On Mon, Jul 31, 2023 at 12:21:42PM -0400, Xiaoyao Li wrote:
> This is the first RFC version of enabling KVM gmem[1] as the backend for
> private memory of KVM_X86_PROTECTED_VM.
>
> It adds the support to create a specific KVM_X86_PROTECTED_VM type VM,
> and introduces 'private' property for
On 7/31/23 12:23, Akihiko Odaki wrote:
On 2023/07/31 19:17, Joel Stanley wrote:
On Mon, 31 Jul 2023 at 09:31, Michael Tokarev wrote:
31.07.2023 11:03, Akihiko Odaki wrote:
linux-user was failing on M2 MacBook Air. Digging into the details, I found
several bugs in brk and mmap so here are
From: Isaku Yamahata
Signed-off-by: Isaku Yamahata
Signed-off-by: Xiaoyao Li
---
backends/hostmem.c | 18 ++
include/sysemu/hostmem.h | 2 +-
qapi/qom.json| 4
3 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/backends/hostmem.c
Register a memory listener for KVM_X86_SW_PROVTED_VM. It creates gmem
for the backend who sets the private property.
Signed-off-by: Xiaoyao Li
---
include/exec/memory.h | 1 +
target/i386/kvm/kvm.c | 38 ++
2 files changed, 39 insertions(+)
diff --git
From: Isaku Yamahata
In mch_realize(), process PAM initialization before SMRAM initialization so
that later patch can skill all the SMRAM related with a single check.
Signed-off-by: Isaku Yamahata
Signed-off-by: Xiaoyao Li
---
hw/pci-host/q35.c | 19 ++-
1 file changed, 10
From: Isaku Yamahata
Signed-off-by: Isaku Yamahata
Signed-off-by: Xiaoyao Li
---
accel/kvm/kvm-all.c| 1 +
accel/kvm/trace-events | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 72d50b923bf2..c9f3aab5e587 100644
---
Signed-off-by: Xiaoyao Li
---
softmmu/physmem.c | 34 +++---
1 file changed, 15 insertions(+), 19 deletions(-)
diff --git a/softmmu/physmem.c b/softmmu/physmem.c
index 8f64128de0b5..05c981e5c18e 100644
--- a/softmmu/physmem.c
+++ b/softmmu/physmem.c
@@ -3430,16
From: Isaku Yamahata
Add a q35 property to check whether or not SMM ranges, e.g. SMRAM, TSEG,
etc... exist for the target platform. TDX doesn't support SMM and doesn't
play nice with QEMU modifying related guest memory ranges.
Signed-off-by: Isaku Yamahata
Co-developed-by: Sean Christopherson
From: Chao Peng
Currently only KVM_MEMORY_EXIT_FLAG_PRIVATE in flags is valid when
KVM_EXIT_MEMORY_FAULT happens. It indicates userspace needs to do
the memory conversion on the RAMBlock to turn the memory into desired
attribute, i.e., private/shared.
Note, KVM_EXIT_MEMORY_FAULT makes sense
From: Chao Peng
This new routine adds support for memory conversion between
shared/private memory for gmem fd based private ram_block.
Signed-off-by: Chao Peng
Signed-off-by: Xiaoyao Li
---
include/exec/cpu-common.h | 2 ++
softmmu/physmem.c | 61
Implement mc->kvm_type() for i386 machines. It provides a way for user
to create SW_PROTECTE_VM.
Signed-off-by: Xiaoyao Li
---
hw/i386/x86.c | 27 +++
include/hw/i386/x86.h | 4
target/i386/kvm/kvm.c | 38
pc_machine_kvm_type() was introduced by commit e21be724eaf5 ("i386/xen:
add pc_machine_kvm_type to initialize XEN_EMULATE mode") to do Xen
specific initialization by utilizing kvm_type method.
commit eeedfe6c6316 ("hw/xen: Simplify emulated Xen platform init")
moves the Xen specific
Introduce new flags for MemoryRegion to indicate the default attribute,
private or not. And update the attribute if default private.
Originated-from: Isaku Yamahata
Signed-off-by: Xiaoyao Li
---
accel/kvm/kvm-all.c | 10 ++
include/exec/memory.h | 6 ++
softmmu/memory.c |
Introcude the helper functions to set the attributes of a range of
memory to private and shared.
Signed-off-by: Xiaoyao Li
---
accel/kvm/kvm-all.c | 43 +++
include/sysemu/kvm.h | 3 +++
2 files changed, 46 insertions(+)
diff --git
Signed-off-by: Xiaoyao Li
---
target/i386/kvm/kvm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index df3a5f89396e..a96640512dbc 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -2614,6 +2614,7 @@ static void
From: Chao Peng
Switch to KVM_SET_USER_MEMORY_REGION2 when supported by KVM.
With KVM_SET_USER_MEMORY_REGION2, QEMU can set up memory region that
backen'ed both by hva-based shared memory and gmem fd based private
memory.
Signed-off-by: Chao Peng
Codeveloped-by: Xiaoyao Li
Signed-off-by:
From: Chao Peng
Add KVM gmem support to RAMBlock so we can have both normal
hva based memory and gmem fd based memory in one RAMBlock.
The gmem part is represented by the gmem_fd.
Signed-off-by: Chao Peng
Signed-off-by: Xiaoyao Li
---
include/exec/memory.h | 8
Signed-off-by: Xiaoyao Li
---
include/exec/memory.h | 9 +
softmmu/memory.c | 5 +
2 files changed, 14 insertions(+)
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 61e31c7b9874..e119d3ce1a1d 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@
On 7/30/23 12:29, Klaus Jensen wrote:
From: Klaus Jensen
Hi,
This should also fix coverity cid 1518067 and 1518066.
The following changes since commit ccb86f079a9e4d94918086a9df18c1844347aff8:
Merge tag 'pull-nbd-2023-07-28' ofhttps://repo.or.cz/qemu/ericb into
staging (2023-07-28
Signed-off-by: Xiaoyao Li
---
target/i386/kvm/kvm.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index a96640512dbc..62f237068a3a 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -2654,6 +2654,13 @@ int
This patch needs to be updated by script
scripts/update-linux-headers.sh
once gmem fd support is upstreamed in Linux kernel.
Signed-off-by: Xiaoyao Li
---
linux-headers/asm-x86/kvm.h | 3 +++
linux-headers/linux/kvm.h | 50 +
2 files changed, 53
This is the first RFC version of enabling KVM gmem[1] as the backend for
private memory of KVM_X86_PROTECTED_VM.
It adds the support to create a specific KVM_X86_PROTECTED_VM type VM,
and introduces 'private' property for memory backend. When the vm type
is KVM_X86_PROTECTED_VM and memory backend
The upper 16 bits of kvm_userspace_memory_region::slot are
address space id. Parse it separately in trace_kvm_set_user_memory().
Signed-off-by: Xiaoyao Li
---
accel/kvm/kvm-all.c| 5 +++--
accel/kvm/trace-events | 2 +-
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git
On Mon, Jul 31, 2023 at 11:40:36AM -0400, Stefan Hajnoczi wrote:
> 3. Using buffered I/O because O_DIRECT is not universally supported?
>
> If you can't use O_DIRECT, then qemu-img could be extended to manage its
> dirty page cache set carefully. This consists of picking a budget and
> writing
On 7/31/23 10:03, Akihiko Odaki wrote:
do_brk() minimizes calls into target_mmap() by aligning the address
with host page size, which is potentially larger than the target page
size.
Keep in mind, that host page size can be smaller than target page size too.
That's the reason why host brk
On Sun, Jun 11, 2023 at 03:27:57PM +0300, Sagi Grimberg wrote:
> Maybe I'm doing something wrong? Didn't expect to find a regression
> against mainline on the default setup.
Hi Sagi,
I ran the latest branch against ed8ad9728a where it forked off master.
master achieves fewer IOPS.
It looks like
On 7/31/23 06:32, Akihiko Odaki wrote:
On 2023/07/31 20:44, Peter Maydell wrote:
On Mon, 31 Jul 2023 at 09:04, Akihiko Odaki wrote:
MAP_FIXED_NOREPLACE can ensure the mapped address is fixed without
concerning that the new mapping overwrites something else.
MAP_FIXED_NOREPLACE only came in
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