On Thu, 7 Dec 2023 at 05:07, Kees Cook wrote:
>
> On Tue, Dec 05, 2023 at 03:31:34PM +0800, david...@google.com wrote:
> > Using struct root_device to create fake devices for tests is something
> > of a hack. The new struct kunit_device is meant for this purpose, so use
> > it instead.
> >
> >
On 12/1/23 11:14 PM, Jason Gunthorpe wrote:
On Thu, Oct 26, 2023 at 10:49:26AM +0800, Lu Baolu wrote:
+ * @IOMMU_HWPT_ALLOC_IOPF_CAPABLE: User is capable of handling IO page faults.
This does not seem like the best name?
Probably like this given my remark in the cover letter:
---
On 12/1/23 10:38 PM, Jason Gunthorpe wrote:
On Thu, Oct 26, 2023 at 10:49:25AM +0800, Lu Baolu wrote:
+void *iopf_pasid_cookie_get(struct device *dev, ioasid_t pasid)
+{
+ struct iommu_fault_param *iopf_param = iopf_get_dev_fault_param(dev);
+ void *curr;
+
+ if (!iopf_param)
On 12/1/23 10:24 PM, Jason Gunthorpe wrote:
On Thu, Oct 26, 2023 at 10:49:24AM +0800, Lu Baolu wrote:
Hi folks,
This series implements the functionality of delivering IO page faults to
user space through the IOMMUFD framework for nested translation. Nested
translation is a hardware feature
On 12/8/23 1:17 AM, Jason Gunthorpe wrote:
On Thu, Dec 07, 2023 at 05:34:10PM +0100, Joel Granados wrote:
@@ -58,6 +255,8 @@ static void hw_pagetable_fault_free(struct hw_pgtable_fault
*fault)
WARN_ON(!list_empty(>deliver));
WARN_ON(!list_empty(>response));
+
On 12/4/23 11:07 PM, Joel Granados wrote:
On Thu, Oct 26, 2023 at 10:49:24AM +0800, Lu Baolu wrote:
Hi folks,
This series implements the functionality of delivering IO page faults to
user space through the IOMMUFD framework for nested translation. Nested
Does this mean the IOPF_CAPABLE HWPT
On 12/8/23 13:35, Shaoqin Huang wrote:
When running the set_memory_region_test on arm64 platform, it causes the
below assert:
Test Assertion Failure
set_memory_region_test.c:355: r && errno == EINVAL
pid=40695 tid=40695 errno=0 - Success
1 0x00401baf:
On 12/7/23 5:08 PM, Kyle Huey wrote:
On Thu, Dec 7, 2023 at 2:56 PM Kyle Huey wrote:
On Thu, Dec 7, 2023 at 11:20 AM Marco Elver wrote:
On Thu, 7 Dec 2023 at 20:12, Andrii Nakryiko wrote:
On Thu, Dec 7, 2023 at 8:35 AM Kyle Huey wrote:
The test sets a hardware breakpoint and uses a bpf
When running the set_memory_region_test on arm64 platform, it causes the
below assert:
Test Assertion Failure
set_memory_region_test.c:355: r && errno == EINVAL
pid=40695 tid=40695 errno=0 - Success
1 0x00401baf: test_invalid_memory_region_flags at
On Fri, 8 Dec 2023 at 05:34, Rae Moar wrote:
>
> Add test for parsing attributes to kunit_tool_test.py. Test checks
> attributes are parsed and saved in the test logs.
>
> This test also checks that the attributes have not interfered with the
> parsing of other test information, specifically the
On Fri, 8 Dec 2023 at 05:34, Rae Moar wrote:
>
> Add parsing of attributes as diagnostic data. Fixes issue with test plan
> being parsed incorrectly as diagnostic data when located after
> suite-level attributes.
>
> Note that if there does not exist a test plan line, the diagnostic lines
>
On Thu, Dec 07, 2023 at 06:09:46PM +0800, Li, Xin3 wrote:
>> >> > Exiting-event identification can also have bit 13 set, indicating a
>> >> > nested exception encountered and caused VM-exit. when reinjecting the
>> >> > exception to guests, kvm needs to set the "nested" bit, right? I
>> >> >
On Thu, Dec 7, 2023 at 4:52 PM Mina Almasry wrote:
>
> Major changes in v1:
> --
>
> 1. Implemented MVP queue API ndos to remove the userspace-visible
>driver reset.
>
> 2. Fixed issues in the napi_pp_put_page() devmem frag unref path.
>
> 3. Removed RFC tag.
>
> Many smaller
On Thu, Dec 7, 2023 at 2:56 PM Kyle Huey wrote:
>
> On Thu, Dec 7, 2023 at 11:20 AM Marco Elver wrote:
> >
> > On Thu, 7 Dec 2023 at 20:12, Andrii Nakryiko
> > wrote:
> > >
> > > On Thu, Dec 7, 2023 at 8:35 AM Kyle Huey wrote:
> > > >
> > > > The test sets a hardware breakpoint and uses a bpf
Signed-off-by: Mina Almasry
---
Documentation/networking/devmem.rst | 270
1 file changed, 270 insertions(+)
create mode 100644 Documentation/networking/devmem.rst
diff --git a/Documentation/networking/devmem.rst
b/Documentation/networking/devmem.rst
new file mode
ncdevmem is a devmem TCP netcat. It works similarly to netcat, but it
sends and receives data using the devmem TCP APIs. It uses udmabuf as
the dmabuf provider. It is compatible with a regular netcat running on
a peer, or a ncdevmem running on a peer.
In addition to normal netcat support,
In tcp_recvmsg_locked(), detect if the skb being received by the user
is a devmem skb. In this case - if the user provided the MSG_SOCK_DEVMEM
flag - pass it to tcp_recvmsg_devmem() for custom handling.
tcp_recvmsg_devmem() copies any data in the skb header to the linear
buffer, and returns a
For device memory TCP, we expect the skb headers to be available in host
memory for access, and we expect the skb frags to be in device memory
and unaccessible to the host. We expect there to be no mixing and
matching of device memory frags (unaccessible) with host memory frags
(accessible) in the
Add an interface for the user to notify the kernel that it is done
reading the devmem dmabuf frags returned as cmsg. The kernel will
drop the reference on the frags to make them available for re-use.
Signed-off-by: Willem de Bruijn
Signed-off-by: Kaiyuan Zhang
Signed-off-by: Mina Almasry
---
Make skb_frag_page() fail in the case where the frag is not backed
by a page, and fix its relevant callers to handle this case.
Correctly handle skb_frag refcounting in the page_pool_iovs case.
Signed-off-by: Mina Almasry
---
Changes in v1:
- Fix illegal_highdma() (Yunsheng).
- Rework
Overload the LSB of struct page* to indicate that it's a page_pool_iov.
Refactor mm calls on struct page* into helpers, and add page_pool_iov
handling on those helpers. Modify callers of these mm APIs with calls to
these helpers instead.
In areas where struct page* is dereferenced, add a check
Currently the page_pool behavior is that a page is considered for
recycling only once, the first time __page_pool_put_page() is called on
it.
This works because in practice the net stack only holds 1 reference to
the skb frags. In that case, the page_pool recycling works as expected,
as the skb
Implement a memory provider that allocates dmabuf devmem page_pool_iovs.
The provider receives a reference to the struct netdev_dmabuf_binding
via the pool->mp_priv pointer. The driver needs to set this pointer for
the provider in the page_pool_params.
The provider obtains a reference on the
Implement netdev devmem allocator. The allocator takes a given struct
netdev_dmabuf_binding as input and allocates page_pool_iov from that
binding.
The allocation simply delegates to the binding's genpool for the
allocation logic and wraps the returned memory region in a page_pool_iov
struct.
Add a netdev_dmabuf_binding struct which represents the
dma-buf-to-netdevice binding. The netlink API will bind the dma-buf to
rx queues on the netdevice. On the binding, the dma_buf_attach
& dma_buf_map_attachment will occur. The entries in the sg_table from
mapping will be inserted into a
API takes the dma-buf fd as input, and binds it to the netdevice. The
user can specify the rx queues to bind the dma-buf to.
Suggested-by: Stanislav Fomichev
Signed-off-by: Mina Almasry
---
Changes in v1:
- Add rx-queue-type to distingish rx from tx (Jakub)
- Return dma-buf ID from netlink
Define a struct that contains all of the memory needed for an RX
queue to function.
Implement the queue-api in GVE using this struct.
Currently the only memory is allocated at the time of queue start are
the RX pages in gve_rx_post_buffers_dqo(). That can be moved up to
queue_mem_alloc() time in
This API enables the net stack to reset the queues used for devmem.
Signed-off-by: Mina Almasry
---
include/linux/netdevice.h | 24
1 file changed, 24 insertions(+)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1b935ee341b4..316f7dee86ce
From: Jakub Kicinski
The page providers which try to reuse the same pages will
need to hold onto the ref, even if page gets released from
the pool - as in releasing the page from the pp just transfers
the "ownership" reference from pp to the provider, and provider
will wait for other references
From: Jakub Kicinski
Releasing the DMA mapping will be useful for other types
of pages, so factor it out. Make sure compiler inlines it,
to avoid any regressions.
Signed-off-by: Jakub Kicinski
Signed-off-by: Mina Almasry
---
This is implemented by Jakub in his RFC:
Major changes in v1:
--
1. Implemented MVP queue API ndos to remove the userspace-visible
driver reset.
2. Fixed issues in the napi_pp_put_page() devmem frag unref path.
3. Removed RFC tag.
Many smaller addressed comments across all the patches (patches have
individual change
Hi Nhat,
Thanks for the self test.
Acked-by: Chris Li (Google)
Chris
On Thu, Nov 30, 2023 at 11:40 AM Nhat Pham wrote:
>
> From: Domenico Cerasuolo
>
> The memcg-zswap self test is updated to adjust to the behavior change
> implemented by commit 87730b165089 ("zswap: make shrinking
Acked-by: Chris Li (Google)
Chris
On Tue, Dec 5, 2023 at 11:33 AM Nhat Pham wrote:
>
> Rename ZSWP_WB to ZSWPWB to better match the existing counters naming
> scheme.
>
> Suggested-by: Johannes Weiner
> Signed-off-by: Nhat Pham
> ---
> include/linux/vm_event_item.h | 2 +-
> mm/memcontrol.c
On Thu, Dec 7, 2023 at 11:20 AM Marco Elver wrote:
>
> On Thu, 7 Dec 2023 at 20:12, Andrii Nakryiko
> wrote:
> >
> > On Thu, Dec 7, 2023 at 8:35 AM Kyle Huey wrote:
> > >
> > > The test sets a hardware breakpoint and uses a bpf program to suppress the
> > > side effects of a perf event sample,
Add parsing of attributes as diagnostic data. Fixes issue with test plan
being parsed incorrectly as diagnostic data when located after
suite-level attributes.
Note that if there does not exist a test plan line, the diagnostic lines
between the suite header and the first result will be saved in
Add test for parsing attributes to kunit_tool_test.py. Test checks
attributes are parsed and saved in the test logs.
This test also checks that the attributes have not interfered with the
parsing of other test information, specifically the suite header as
the test plan was being incorrectely
On Thu, Dec 07, 2023 at 02:33:19PM -0500, Liam R. Howlett wrote:
> mas_prev() was setting the ma_underflow condition when the limit was
> reached and not when the limit was attempting to go lower. This
> resulted in the incorrect behaviour on subsequent actions.
>
> This commit fixes the status
On Mon, Aug 28, 2023 at 05:13:12PM -0400, Nícolas F. R. A. Prado wrote:
> Introduce a new kselftest to detect devices that were declared in the
> Devicetree, and are expected to be probed by a driver, but weren't.
I've been running this in my personal CI for a little while now and I'm
finding
mas_prev() was setting the ma_underflow condition when the limit was
reached and not when the limit was attempting to go lower. This
resulted in the incorrect behaviour on subsequent actions.
This commit fixes the status setting to only set ma_underflow when the
lower limit is attempted to be
On Thu, 7 Dec 2023 at 20:12, Andrii Nakryiko wrote:
>
> On Thu, Dec 7, 2023 at 8:35 AM Kyle Huey wrote:
> >
> > The test sets a hardware breakpoint and uses a bpf program to suppress the
> > side effects of a perf event sample, including I/O availability signals,
> > SIGTRAPs, and decrementing
On Thu, 2023-12-07 at 10:20 -0500, Joe Lawrence wrote:
> On 12/6/23 10:05, Miroslav Benes wrote:
> > On Fri, 1 Dec 2023, Joe Lawrence wrote:
> >
> > > On Tue, Oct 31, 2023 at 06:10:52PM -0300, Marcos Paulo de Souza
> > > wrote:
> > > > The modules are being moved from lib/livepatch to
> > > >
On Thu, Dec 7, 2023 at 8:35 AM Kyle Huey wrote:
>
> The test sets a hardware breakpoint and uses a bpf program to suppress the
> side effects of a perf event sample, including I/O availability signals,
> SIGTRAPs, and decrementing the event counter limit, if the ip matches the
> expected value.
On 12/7/2023 10:33 AM, Ilpo Järvinen wrote:
>
> I already spent some moments in converting all return error -> return -1,
> since all such places do perror() calls anyway (which I also converted to
> ksft_perror() or ksft_print_msg() where perror() didn't make any sense)
> there's not much
On Thu, 7 Dec 2023, Reinette Chatre wrote:
> On 12/7/2023 6:32 AM, Ilpo Järvinen wrote:
> > On Tue, 28 Nov 2023, Reinette Chatre wrote:
> >> On 11/20/2023 3:13 AM, Ilpo Järvinen wrote:
>
> ...
> >>> - /*
> >>> - * Measure llc occupancy from resctrl.
> >>> - */
> >>> - if
When adapting the test to the kselftest framework, a few printf() calls
indicating test progress were not updated.
Fix this by replacing these printf() calls by ksft_print_msg() calls.
Fixes: ce7d101750ff8450 ("selftests: timers: clocksource-switch: adapt to
kselftest framework")
Signed-off-by:
Hi Ilpo,
On 12/7/2023 6:32 AM, Ilpo Järvinen wrote:
> On Tue, 28 Nov 2023, Reinette Chatre wrote:
>> On 11/20/2023 3:13 AM, Ilpo Järvinen wrote:
...
>>> - /*
>>> -* Measure llc occupancy from resctrl.
>>> -*/
>>> - if (!strncmp(param->resctrl_val, CMT_STR, sizeof(CMT_STR))) {
>>> -
On Thu, Dec 07, 2023 at 05:34:10PM +0100, Joel Granados wrote:
> > @@ -58,6 +255,8 @@ static void hw_pagetable_fault_free(struct
> > hw_pgtable_fault *fault)
> > WARN_ON(!list_empty(>deliver));
> > WARN_ON(!list_empty(>response));
> >
> > + fput(fault->fault_file);
> > +
The test sets a hardware breakpoint and uses a bpf program to suppress the
side effects of a perf event sample, including I/O availability signals,
SIGTRAPs, and decrementing the event counter limit, if the ip matches the
expected value. Then the function with the breakpoint is executed multiple
On Thu, Oct 26, 2023 at 10:49:28AM +0800, Lu Baolu wrote:
> Add the file interface that provides a simple and efficient way for
> userspace to handle page faults. The file interface allows userspace
> to read fault messages sequentially, and to respond to the handling
> result by writing to the
On Thu, Dec 07, 2023 at 02:06:34PM +, Marc Zyngier wrote:
> Mark Brown wrote:
> > > > @@ -517,7 +519,6 @@ struct kvm_vcpu_arch {
> > > > enum fp_type fp_type;
> > > > unsigned int sve_max_vl;
> > > > u64 svcr;
> > > > - u64 fpmr;
> > > Why do this change here?
Hi,
Thanks to you and Mark for the comments so far!
On Thu, Dec 07, 2023 at 03:25:17PM +, Catalin Marinas wrote:
> On Fri, Nov 24, 2023 at 04:34:56PM +, Joey Gouly wrote:
> > diff --git a/arch/arm64/include/asm/pkeys.h b/arch/arm64/include/asm/pkeys.h
> > new file mode 100644
> > index
On 12/7/23 3:34 AM, Petr Machata wrote:
> But what I object against is that the library uses trap without having a
> way for user scripts to schedule at-exit work, because that's used
> literally everywhere in forwarding tests.
+1
On Fri, Nov 24, 2023 at 04:34:56PM +, Joey Gouly wrote:
> diff --git a/arch/arm64/include/asm/pkeys.h b/arch/arm64/include/asm/pkeys.h
> new file mode 100644
> index ..5761fb48fd53
> --- /dev/null
> +++ b/arch/arm64/include/asm/pkeys.h
> @@ -0,0 +1,54 @@
> +/*
On 12/6/23 10:05, Miroslav Benes wrote:
> On Fri, 1 Dec 2023, Joe Lawrence wrote:
>
>> On Tue, Oct 31, 2023 at 06:10:52PM -0300, Marcos Paulo de Souza wrote:
>>> The modules are being moved from lib/livepatch to
>>> tools/testing/selftests/livepatch/test_modules.
>>>
>>> This code moving will
On Tue, 28 Nov 2023, Reinette Chatre wrote:
> On 11/20/2023 3:13 AM, Ilpo Järvinen wrote:
> > CAT test spawns two processes into two different control groups with
> > exclusive schemata. Both the processes alloc a buffer from memory
> > matching their allocated LLC block size and flush the entire
On Fri, Nov 24, 2023 at 04:34:55PM +, Joey Gouly wrote:
> When a PTE is modified, the POIndex must be masked off so that it can be
> modified.
>
> Signed-off-by: Joey Gouly
> Cc: Catalin Marinas
> Cc: Will Deacon
Reviewed-by: Catalin Marinas
On Fri, Nov 24, 2023 at 04:34:54PM +, Joey Gouly wrote:
> arch/arm64/include/asm/mman.h | 8 +++-
> arch/arm64/include/asm/page.h | 10 ++
> arch/arm64/mm/mmap.c| 9 +
> arch/powerpc/include/asm/page.h | 11 +++
> arch/x86/include/asm/page.h |
On Tue, 28 Nov 2023, Reinette Chatre wrote:
> On 11/20/2023 3:13 AM, Ilpo Järvinen wrote:
> > The fill_buf code prevents compiler optimizating the entire read loop
> > away by writing the final value of the variable into a file. While it
> > achieves the goal, writing into a file requires
On Thu, Dec 07, 2023 at 09:04:00AM +, Tian, Kevin wrote:
> > From: Liu, Yi L
> > Sent: Thursday, December 7, 2023 2:59 PM
> >
> > On 2023/11/17 21:07, Yi Liu wrote:
> > > @@ -613,4 +614,38 @@ struct iommu_hwpt_get_dirty_bitmap {
> > > #define IOMMU_HWPT_GET_DIRTY_BITMAP _IO(IOMMUFD_TYPE, \
On Tue, 28 Nov 2023, Reinette Chatre wrote:
> Hi Ilpo,
>
> On 11/20/2023 3:13 AM, Ilpo Järvinen wrote:
> > measure_cache_vals() does a different thing depending on the test case
> > that called it:
> > - For CAT, it measures LLC misses through perf.
> > - For CMT, it measures LLC occupancy
On Thu, Dec 07, 2023 at 01:55:31PM +, Catalin Marinas wrote:
> On Sat, Nov 25, 2023 at 12:02:49PM +, Mark Brown wrote:
> > On Fri, Nov 24, 2023 at 04:34:50PM +, Joey Gouly wrote:
> > > +static void flush_poe(void)
> > > +{
> > > + if (system_supports_poe())
> > > +
On Fri, Nov 24, 2023 at 04:34:52PM +, Joey Gouly wrote:
> +#ifdef CONFIG_ARM64_POE
> +static void cpu_enable_poe(const struct arm64_cpu_capabilities *__unused)
> +{
> + sysreg_clear_set(REG_TCR2_EL1, 0, TCR2_EL1x_E0POE);
> + sysreg_clear_set(CPACR_EL1, 0, CPACR_ELx_E0POE);
> +}
>
On Thu, 07 Dec 2023 12:30:45 +,
Mark Brown wrote:
>
> On Thu, Dec 07, 2023 at 08:39:46AM +, Marc Zyngier wrote:
> > Mark Brown wrote:
>
> > > #define HCRX_GUEST_FLAGS \
> > > - (HCRX_EL2_SMPME | HCRX_EL2_TCR2En | \
> > > + (HCRX_EL2_SMPME | HCRX_EL2_TCR2En | HCRX_EL2_EnFPM | \
>
> >
On Tue, 28 Nov 2023, Reinette Chatre wrote:
> On 11/20/2023 3:13 AM, Ilpo Järvinen wrote:
> > MBM, MBA and CMT test cases call run_fill_buf() that in turn calls
> > fill_cache() to alloc and loop indefinitely around the buffer. This
> > binds buffer allocation and running the benchmark into a
On Sat, Nov 25, 2023 at 12:02:49PM +, Mark Brown wrote:
> On Fri, Nov 24, 2023 at 04:34:50PM +, Joey Gouly wrote:
>
> > +static void flush_poe(void)
> > +{
> > + if (system_supports_poe())
> > + write_sysreg_s(POR_EL0_INIT, SYS_POR_EL0);
> > +}
>
> Here we have no isb()...
On Thu, 07 Dec 2023 13:22:39 +0100, Benjamin Tissoires wrote:
> An overlook from commit 74452d6329be ("selftests/hid: tablets: add
> variants of states with buttons"), where I don't use the Enum...
>
>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git
(for-6.8/selftests),
On Fri, Nov 24, 2023 at 04:34:50PM +, Joey Gouly wrote:
> @@ -498,6 +508,17 @@ static void erratum_1418040_new_exec(void)
> preempt_enable();
> }
>
> +static void permission_overlay_switch(struct task_struct *next)
> +{
> + if (system_supports_poe()) {
> +
On Fri, Nov 24, 2023 at 04:34:49PM +, Joey Gouly wrote:
> Allow EL0 or EL1 to access POR_EL0 without being trapped to EL2.
>
> Signed-off-by: Joey Gouly
> Cc: Catalin Marinas
> Cc: Will Deacon
Acked-by: Catalin Marinas
On Thu, 7 Dec 2023, Benjamin Tissoires wrote:
> An overlook from commit 74452d6329be ("selftests/hid: tablets: add
> variants of states with buttons"), where I don't use the Enum...
>
> Fixes: 74452d6329be ("selftests/hid: tablets: add variants of states with
> buttons")
> Signed-off-by:
On Thu, Dec 07, 2023 at 08:39:46AM +, Marc Zyngier wrote:
> Mark Brown wrote:
> > #define HCRX_GUEST_FLAGS \
> > - (HCRX_EL2_SMPME | HCRX_EL2_TCR2En | \
> > + (HCRX_EL2_SMPME | HCRX_EL2_TCR2En | HCRX_EL2_EnFPM | \
> We really should start making all of these things conditional. See
>
e None
+button = BtnPressed(ev.code) if ev.value else None
# the kernel tends to insert an EV_SYN once removing the tool, so
# the button will be released after
---
base-commit: f556aa957df8cb3e98af0f54bf1fa65f59ae47a3
change-id: 20231207-b4-wip-selftests-c1565d4d45
Paolo Abeni writes:
> On Wed, 2023-12-06 at 13:32 +0100, Petr Machata wrote:
>> Paolo Abeni writes:
>>
>> > Side note for a possible follow-up: if you maintain $ns_list as global
>> > variable, and remove from such list the ns deleted by cleanup_ns, you
>> > could remove the cleanup trap
> >> > Exiting-event identification can also have bit 13 set, indicating a
> >> > nested exception encountered and caused VM-exit. when reinjecting the
> >> > exception to guests, kvm needs to set the "nested" bit, right? I
> >> > suspect some changes to e.g., handle_exception_nmi() are needed.
>
> From: Liu, Yi L
> Sent: Thursday, December 7, 2023 2:59 PM
>
> On 2023/11/17 21:07, Yi Liu wrote:
> > @@ -613,4 +614,38 @@ struct iommu_hwpt_get_dirty_bitmap {
> > #define IOMMU_HWPT_GET_DIRTY_BITMAP _IO(IOMMUFD_TYPE, \
> >
> IOMMUFD_CMD_HWPT_GET_DIRTY_BITMAP)
> >
> > +/**
> > + *
On Thu, Dec 7, 2023 at 9:53 AM Benjamin Tissoires wrote:
>
> On Wed, 06 Dec 2023 11:45:51 +0100, Benjamin Tissoires wrote:
> > the main trigger of this series was the XP-Pen issue[0].
> > Basically, the tablets tests were good-ish but couldn't
> > handle that tablet both in terms of emulation or
On Wed, 06 Dec 2023 11:45:51 +0100, Benjamin Tissoires wrote:
> the main trigger of this series was the XP-Pen issue[0].
> Basically, the tablets tests were good-ish but couldn't
> handle that tablet both in terms of emulation or in terms
> of detection of issues.
>
> So rework the tablets test a
> From: Liu, Yi L
> Sent: Monday, November 27, 2023 2:39 PM
>
> +static int vfio_pci_core_feature_pasid(struct vfio_device *device, u32 flags,
> +struct vfio_device_feature_pasid __user
> *arg,
> +size_t argsz)
> +{
> +
On Wed, Dec 06, 2023 at 04:37:39PM +0800, Li, Xin3 wrote:
>> Subject: RE: [PATCH v1 13/23] KVM: VMX: Handle VMX nested exception for FRED
>>
>> > >+ if (idt_vectoring_info &
>> VECTORING_INFO_DELIVER_CODE_MASK)
>> > >+ kvm_requeue_exception_e(vcpu, vector,
>> >
On Tue, 05 Dec 2023 16:48:13 +,
Mark Brown wrote:
>
> FEAT_FPMR introduces a new system register FPMR which allows configuration
> of floating point behaviour, currently for FP8 specific features. Allow use
> of this in guests, disabling the trap while guests are running and saving
> and
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