Greetings:
Welcome to v3, see changelog below. Note that our performance tests were
not re-run for this revision as we only updated a commit message and
added a selftest.
This series introduces a new mechanism, IRQ suspension, which allows
network applications using epoll to mask IRQs during peri
Fan Ni wrote:
> On Wed, Oct 30, 2024 at 06:34:41PM -0700, Davidlohr Bueso wrote:
> > On Tue, 29 Oct 2024, ira.we...@intel.com wrote:
> >
> > > +/* See CXL 3.1 Table 8-164 get dynamic capacity config Output Payload */
> > > +struct cxl_mbox_get_dc_config_out {
> > > + u8 avail_region_count;
> > > +
On 31.10.24 15:56, Eric Farman wrote:
On Fri, 2024-10-25 at 16:14 +0200, David Hildenbrand wrote:
Let's make it a generic KVM hypercall, allowing other subfunctions to
be more independent of virtio.
While at it, document that unsupported/unimplemented subfunctions result
in a SPECIFICATION exce
On Thu, Oct 31, 2024 at 02:28:12PM +0800, Zhangfei Gao wrote:
> > As for the implementation of the series, add driver support in ARM SMMUv3
> > for a real world use case.
> >
> > This series is on Github:
> > https://github.com/nicolinc/iommufd/commits/iommufd_viommu_p2-v6
> > (QEMU branch for tes
On Thu, Oct 31, 2024 at 02:04:46PM -0300, Jason Gunthorpe wrote:
> On Thu, Oct 31, 2024 at 09:56:37AM -0700, Nicolin Chen wrote:
> > On Thu, Oct 31, 2024 at 10:29:41AM -0300, Jason Gunthorpe wrote:
> > > On Wed, Oct 30, 2024 at 02:35:27PM -0700, Nicolin Chen wrote:
> > > > +void iommufd_vdevice_des
On 10/30/24 17:23, Caleb Sander Mateos wrote:
> Make the start and end arguments to dim_calc_stats() const pointers to
> clarify that the function does not modify their values.
>
> Signed-off-by: Caleb Sander Mateos
Reviewed-by: Arthur Kiyanovski
Thanks,
Arthur
On Fri, Oct 25, 2024 at 04:14:45PM +0200, David Hildenbrand wrote:
> Let's finally add s390 support for virtio-mem; my last RFC was sent
> 4 years ago, and a lot changed in the meantime.
>
> The latest QEMU series is available at [1], which contains some more
> details and a usage example on s390
On Thu, Oct 31, 2024 at 09:38:17AM -0700, Nicolin Chen wrote:
> On Thu, Oct 31, 2024 at 10:16:37AM -0300, Jason Gunthorpe wrote:
> > On Wed, Oct 30, 2024 at 02:34:38PM -0700, Nicolin Chen wrote:
> > > +FIXTURE_SETUP(iommufd_viommu)
...
> > > + EXPECT_ERRNO(EBUSY,
> > > +
> -Original Message-
> From: Caleb Sander Mateos
> Sent: Wednesday, October 30, 2024 5:23 PM
>
> net_dim() is currently passed a struct dim_sample argument by value.
> struct dim_sample is 24 bytes. Since this is greater 16 bytes, x86-64 passes
> it
> on the stack. All callers have alrea
On Wed, Oct 30, 2024 at 06:23:26PM -0600, Caleb Sander Mateos wrote:
> net_dim() is currently passed a struct dim_sample argument by value.
> struct dim_sample is 24 bytes. Since this is greater 16 bytes, x86-64
> passes it on the stack. All callers have already initialized dim_sample
> on the stac
On Thu, Oct 31, 2024 at 10:14:59AM -0300, Jason Gunthorpe wrote:
> On Wed, Oct 30, 2024 at 02:34:33PM -0700, Nicolin Chen wrote:
> > +static struct iommufd_hwpt_nested *
> > +iommufd_viommu_alloc_hwpt_nested(struct iommufd_viommu *viommu, u32 flags,
> > +const struct iom
On 10/30/24 09:34, Mark Brown wrote:
We don't actually test SIGILL generation for CMPBR since the need to
branch makes it a pain to generate and the SIGILL detection would be
unreliable anyway. Since this should be very unusual we provide a stub
function rather than supporting a missing function.
On Thu, 2024-10-31 at 17:56 +, Oliver Upton wrote:
> On Sat, 19 Oct 2024 18:15:41 +0100, David Woodhouse wrote:
> > The PSCI v1.3 spec (https://developer.arm.com/documentation/den0022)
> > adds support for a SYSTEM_OFF2 function enabling a HIBERNATE_OFF state
> > which is analogous to ACPI S4.
On Fri, 2024-10-25 at 13:40 -0700, Oliver Upton wrote:
>
> No. You're leaving the work for the reader to:
>
> (1) Figure out what you're talking about
> (2) Go dig up an "earlier version" of the spec
> (3) Realise that it means certain hypervisors only take 0x0 as an
> argument
No. There
On Sat, 19 Oct 2024 18:15:41 +0100, David Woodhouse wrote:
> The PSCI v1.3 spec (https://developer.arm.com/documentation/den0022)
> adds support for a SYSTEM_OFF2 function enabling a HIBERNATE_OFF state
> which is analogous to ACPI S4. This will allow hosting environments to
> determine that a gues
On Sat, Oct 19, 2024 at 06:15:47PM +0100, David Woodhouse wrote:
[...]
> +#ifdef CONFIG_HIBERNATION
> +static int psci_sys_hibernate(struct sys_off_data *data)
> +{
> + /*
> + * Zero is an acceptable alternative to PSCI_1_3_OFF_TYPE_HIBERNATE_OFF
> + * and is supported by hypervisor
On 10/30/24 17:23, Caleb Sander Mateos wrote:
net_dim() is currently passed a struct dim_sample argument by value.
struct dim_sample is 24 bytes. Since this is greater 16 bytes, x86-64
passes it on the stack. All callers have already initialized dim_sample
on the stack, so passing it by value req
On 31.10.24 17:47, Sumanth Korikkar wrote:
On Thu, Oct 31, 2024 at 05:27:06PM +0100, Sumanth Korikkar wrote:
On Fri, Oct 25, 2024 at 04:14:45PM +0200, David Hildenbrand wrote:
Let's finally add s390 support for virtio-mem; my last RFC was sent
4 years ago, and a lot changed in the meantime.
Th
On Thu, Oct 31, 2024 at 5:49 AM Louis Peens wrote:
>
> On Wed, Oct 30, 2024 at 06:23:26PM -0600, Caleb Sander Mateos wrote:
> > net_dim() is currently passed a struct dim_sample argument by value.
> > struct dim_sample is 24 bytes. Since this is greater 16 bytes, x86-64
> > passes it on the stack.
On Thu, 2024-10-31 at 12:15 +, Catalin Marinas wrote:
> On Fri, Oct 25, 2024 at 10:12:41PM +, Oliver Upton wrote:
> > On Sat, 19 Oct 2024 18:15:41 +0100, David Woodhouse wrote:
> > > The PSCI v1.3 spec (https://developer.arm.com/documentation/den0022)
> > > adds support for a SYSTEM_OFF2 fu
On 10/30/24 17:23, Caleb Sander Mateos wrote:
Make the start and end arguments to dim_calc_stats() const pointers
to clarify that the function does not modify their values.
Signed-off-by: Caleb Sander Mateos
Reviewed-by: Florian Fainelli
--
Florian
On 10/30/2024 5:23 PM, Caleb Sander Mateos wrote:
net_dim() is currently passed a struct dim_sample argument by value.
struct dim_sample is 24 bytes. Since this is greater 16 bytes, x86-64
passes it on the stack. All callers have already initialized dim_sample
on the stack, so passing it by valu
On Thu, Oct 31, 2024 at 10:29:41AM -0300, Jason Gunthorpe wrote:
> On Wed, Oct 30, 2024 at 02:35:27PM -0700, Nicolin Chen wrote:
> > +void iommufd_vdevice_destroy(struct iommufd_object *obj)
> > +{
> > + struct iommufd_vdevice *vdev =
> > + container_of(obj, struct iommufd_vdevice, obj)
On Thu, Oct 31, 2024 at 09:56:37AM -0700, Nicolin Chen wrote:
> On Thu, Oct 31, 2024 at 10:29:41AM -0300, Jason Gunthorpe wrote:
> > On Wed, Oct 30, 2024 at 02:35:27PM -0700, Nicolin Chen wrote:
> > > +void iommufd_vdevice_destroy(struct iommufd_object *obj)
> > > +{
> > > + struct iommufd_vdevice
On Thu, Oct 31, 2024 at 05:27:06PM +0100, Sumanth Korikkar wrote:
> On Fri, Oct 25, 2024 at 04:14:45PM +0200, David Hildenbrand wrote:
> > Let's finally add s390 support for virtio-mem; my last RFC was sent
> > 4 years ago, and a lot changed in the meantime.
> >
> > The latest QEMU series is avail
On Wed, Oct 30, 2024 at 06:23:26PM -0600, Caleb Sander Mateos wrote:
> net_dim() is currently passed a struct dim_sample argument by value.
> struct dim_sample is 24 bytes. Since this is greater 16 bytes, x86-64
> passes it on the stack. All callers have already initialized dim_sample
> on the stac
On Wed, Oct 30, 2024 at 06:23:25PM -0600, Caleb Sander Mateos wrote:
> Make the start and end arguments to dim_calc_stats() const pointers
> to clarify that the function does not modify their values.
>
> Signed-off-by: Caleb Sander Mateos
> ---
Reviewed-by: Vladimir Oltean
On Thu, Oct 31, 2024 at 08:59:37AM -0300, Jason Gunthorpe wrote:
> On Thu, Oct 31, 2024 at 02:28:12PM +0800, Zhangfei Gao wrote:
>
> > > As for the implementation of the series, add driver support in ARM SMMUv3
> > > for a real world use case.
> > >
> > > This series is on Github:
> > > https://gi
On Thu, Oct 31, 2024 at 02:28:12PM +0800, Zhangfei Gao wrote:
> On Thu, 31 Oct 2024 at 05:36, Nicolin Chen wrote:
> >
> > Following the previous vIOMMU series, this adds another vDEVICE structure,
> > representing the association from an iommufd_device to an iommufd_viommu.
> > This gives the whol
On Thu, Oct 31, 2024 at 10:16:37AM -0300, Jason Gunthorpe wrote:
> On Wed, Oct 30, 2024 at 02:34:38PM -0700, Nicolin Chen wrote:
> > +FIXTURE_SETUP(iommufd_viommu)
> > +{
> > + self->fd = open("/dev/iommu", O_RDWR);
> > + ASSERT_NE(-1, self->fd);
> > + test_ioctl_ioas_alloc(&self->ioas_id);
>
On Wed, Oct 30, 2024 at 06:34:41PM -0700, Davidlohr Bueso wrote:
> On Tue, 29 Oct 2024, ira.we...@intel.com wrote:
>
> > +/* See CXL 3.1 Table 8-164 get dynamic capacity config Output Payload */
> > +struct cxl_mbox_get_dc_config_out {
> > + u8 avail_region_count;
> > + u8 regions_returned;
>
On Wed, Oct 30, 2024 at 02:35:35PM -0700, Nicolin Chen wrote:
> Add a viommu_cache test function to cover vIOMMU invalidations using the
> updated IOMMU_HWPT_INVALIDATE ioctl, which now allows passing in a vIOMMU
> via its hwpt_id field.
>
> Reviewed-by: Kevin Tian
> Signed-off-by: Nicolin Chen
On Wed, Oct 30, 2024 at 02:35:34PM -0700, Nicolin Chen wrote:
> Similar to IOMMU_TEST_OP_MD_CHECK_IOTLB verifying a mock_domain's iotlb,
> IOMMU_TEST_OP_DEV_CHECK_CACHE will be used to verify a mock_dev's cache.
>
> Reviewed-by: Kevin Tian
> Signed-off-by: Nicolin Chen
> ---
> drivers/iommu/iom
On Wed, Oct 30, 2024 at 02:35:31PM -0700, Nicolin Chen wrote:
> From: Jason Gunthorpe
>
> The iommu_copy_struct_from_user_array helper can be used to copy a single
> entry from a user array which might not be efficient if the array is big.
>
> Add a new iommu_copy_struct_from_full_user_array to
On Fri, 2024-10-25 at 16:14 +0200, David Hildenbrand wrote:
> Let's document our new diag500 subfunction that can be implemented by
> userspace.
>
> Signed-off-by: David Hildenbrand
> ---
> Documentation/virt/kvm/s390/s390-diag.rst | 17 +
> 1 file changed, 17 insertions(+)
Revi
On Fri, 2024-10-25 at 16:14 +0200, David Hildenbrand wrote:
> Let's make it a generic KVM hypercall, allowing other subfunctions to
> be more independent of virtio.
>
> While at it, document that unsupported/unimplemented subfunctions result
> in a SPECIFICATION exception.
>
> This is a preparati
On Wed, 2024-10-30 at 17:49 +0100, Christian Borntraeger wrote:
>
> Am 30.10.24 um 10:34 schrieb Heiko Carstens:
> > On Fri, Oct 25, 2024 at 04:14:45PM +0200, David Hildenbrand wrote:
> > > Let's finally add s390 support for virtio-mem; my last RFC was sent
> > > 4 years ago, and a lot changed in
Davidlohr Bueso wrote:
> On Tue, 29 Oct 2024, ira.we...@intel.com wrote:
>
> >Linux has no use for the trailing fields of the Get Dynamic Capacity
> >Configuration Output Payload (Total number of supported extents, number
> >of available extents, total number of supported tags, and number of
> >av
On Wed, Oct 30, 2024 at 02:35:32PM -0700, Nicolin Chen wrote:
> This avoids a bigger trouble of exposing struct iommufd_device and struct
> iommufd_vdevice in the public header.
>
> Reviewed-by: Kevin Tian
> Signed-off-by: Nicolin Chen
> ---
> include/linux/iommufd.h| 8
> dri
On Wed, Oct 30, 2024 at 02:35:27PM -0700, Nicolin Chen wrote:
> +void iommufd_vdevice_destroy(struct iommufd_object *obj)
> +{
> + struct iommufd_vdevice *vdev =
> + container_of(obj, struct iommufd_vdevice, obj);
> + struct iommufd_viommu *viommu = vdev->viommu;
> +
> + /*
On Wed, Oct 30, 2024 at 02:34:38PM -0700, Nicolin Chen wrote:
> +FIXTURE_SETUP(iommufd_viommu)
> +{
> + self->fd = open("/dev/iommu", O_RDWR);
> + ASSERT_NE(-1, self->fd);
> + test_ioctl_ioas_alloc(&self->ioas_id);
> + test_ioctl_set_default_memory_limit();
> +
> + if (variant->
On Wed, Oct 30, 2024 at 02:34:33PM -0700, Nicolin Chen wrote:
> +static struct iommufd_hwpt_nested *
> +iommufd_viommu_alloc_hwpt_nested(struct iommufd_viommu *viommu, u32 flags,
> + const struct iommu_user_data *user_data)
> +{
> + struct iommufd_hwpt_nested *hwpt_
On Wed, Oct 30, 2024 at 02:34:30PM -0700, Nicolin Chen wrote:
> To support driver-allocated vIOMMU objects, it's required for IOMMU driver
> to call the provided iommufd_viommu_alloc helper to embed the core struct.
> However, there is no guarantee that every driver will call it and allocate
> obje
On Wed, Oct 30, 2024 at 02:34:28PM -0700, Nicolin Chen wrote:
> The following patch will add a new vIOMMU allocator that will require this
> _iommufd_object_alloc to be sharable with IOMMU drivers (and iommufd too).
>
> Add a new driver.c file that will be built with CONFIG_IOMMUFD_DRIVER_CORE
> s
On Sat, Oct 19, 2024 at 06:15:47PM +0100, David Woodhouse wrote:
> From: David Woodhouse
>
> The PSCI v1.3 specification adds support for a SYSTEM_OFF2 function
> which is analogous to ACPI S4 state. This will allow hosting
> environments to determine that a guest is hibernated rather than just
>
On Fri, Oct 25, 2024 at 10:12:41PM +, Oliver Upton wrote:
> On Sat, 19 Oct 2024 18:15:41 +0100, David Woodhouse wrote:
> > The PSCI v1.3 spec (https://developer.arm.com/documentation/den0022)
> > adds support for a SYSTEM_OFF2 function enabling a HIBERNATE_OFF state
> > which is analogous to AC
46 matches
Mail list logo
