On Tue, Sep 12, 2023 at 8:02 AM Si-Wei Liu wrote:
>
>
>
> On 9/10/2023 8:48 PM, Jason Wang wrote:
> > On Sat, Sep 9, 2023 at 9:46 PM Si-Wei Liu wrote:
> >> Today, mlx5_vdpa gets started by preallocate 1:1 DMA mapping at
> >> device creation time, while this 1:1 mapping will be implicitly
> >> des
On Tue, Sep 12, 2023 at 7:31 AM Si-Wei Liu wrote:
>
> Hi Jason,
>
> On 9/10/2023 8:42 PM, Jason Wang wrote:
> > Hi Si-Wei:
> >
> > On Sat, Sep 9, 2023 at 9:34 PM Si-Wei Liu wrote:
> >> On-chip IOMMU parent driver could use it to restore memory mapping
> >> to the initial state.
> > As discussed b
On Mon, Sep 11, 2023 at 3:06 PM Dragos Tatulea wrote:
>
> Hi Jason,
>
> On Mon, 2023-09-11 at 14:43 +0800, Jason Wang wrote:
> > On Sat, Sep 9, 2023 at 4:45 PM Si-Wei Liu wrote:
> > >
> > > Following patchset introduces dedicated group for descriptor table to
> > > reduce live migration downtime
On Tue, Sep 12, 2023 at 5:31 AM Shannon Nelson wrote:
>
> Finally following up to Simon's suggestion for some kdoc attention
> on struct virtio_pci_modern_device.
>
> Link: https://lore.kernel.org/netdev/ze%2fqs0lnuvxfa...@corigine.com/
> Cc: Simon Horman
> Signed-off-by: Shannon Nelson
> Acked-
On Tue, Sep 12, 2023 at 2:08 AM Shannon Nelson wrote:
>
> From: Allen Hubbe
>
> Consume the parameter to device_features when parsing command line
> options. Otherwise the parameter may be used again as an option name.
>
> # vdpa dev add ... device_features 0xdeadbeef mac 00:11:22:33:44:55
> U
Thanks David, for clarifications. Now I see the patch just got posted by
Shannon (thanks!) with the correct iproute2 label in the subject line.
We may expect to see this land on iproute2 repo soon?
Thanks!
-Siwei
On 9/9/2023 1:36 PM, David Ahern wrote:
On 9/8/23 12:37 PM, Si-Wei Liu wrote:
J
On 9/10/2023 8:52 PM, Jason Wang wrote:
On Sat, Sep 9, 2023 at 9:46 PM Si-Wei Liu wrote:
Userspace needs this feature flag to distinguish if vhost-vdpa
iotlb in the kernel supports persistent IOTLB mapping across
device reset.
As discussed, the IOTLB persists for devices with platform IOMMU
On 9/10/2023 8:48 PM, Jason Wang wrote:
On Sat, Sep 9, 2023 at 9:46 PM Si-Wei Liu wrote:
Today, mlx5_vdpa gets started by preallocate 1:1 DMA mapping at
device creation time, while this 1:1 mapping will be implicitly
destroyed when the first .set_map call is invoked. Everytime
when the .reset
Hi Jason,
On 9/10/2023 8:42 PM, Jason Wang wrote:
Hi Si-Wei:
On Sat, Sep 9, 2023 at 9:34 PM Si-Wei Liu wrote:
On-chip IOMMU parent driver could use it to restore memory mapping
to the initial state.
As discussed before. On-chip IOMMU is the hardware details that need
to be hidden by the vDPA
Finally following up to Simon's suggestion for some kdoc attention
on struct virtio_pci_modern_device.
Link: https://lore.kernel.org/netdev/ze%2fqs0lnuvxfa...@corigine.com/
Cc: Simon Horman
Signed-off-by: Shannon Nelson
Acked-by: Eugenio Pérez
---
include/linux/virtio_pci_modern.h | 34 +++
From: Allen Hubbe
Consume the parameter to device_features when parsing command line
options. Otherwise the parameter may be used again as an option name.
# vdpa dev add ... device_features 0xdeadbeef mac 00:11:22:33:44:55
Unknown option "0xdeadbeef"
Fixes: a4442ce58ebb ("vdpa: allow provisi
On 9/10/23 04:29, guo...@kernel.org wrote:
From: Guo Ren
Allow cmdline to force the kernel to use queued_spinlock when
CONFIG_RISCV_COMBO_SPINLOCKS=y.
Signed-off-by: Guo Ren
Signed-off-by: Guo Ren
---
Documentation/admin-guide/kernel-parameters.txt | 2 ++
arch/riscv/kernel/setup.c
On 9/10/23 04:29, guo...@kernel.org wrote:
From: Guo Ren
Allow cmdline to force the kernel to use queued_spinlock when
CONFIG_RISCV_COMBO_SPINLOCKS=y.
Signed-off-by: Guo Ren
Signed-off-by: Guo Ren
---
Documentation/admin-guide/kernel-parameters.txt | 2 ++
arch/riscv/kernel/setup.c
On 9/10/23 23:09, Guo Ren wrote:
On Mon, Sep 11, 2023 at 10:35 AM Waiman Long wrote:
On 9/10/23 04:28, guo...@kernel.org wrote:
From: Guo Ren
The target of xchg_tail is to write the tail to the lock value, so
adding prefetchw could help the next cmpxchg step, which may
decrease the cmpxchg
Hi Jason,
On Mon, 2023-09-11 at 14:43 +0800, Jason Wang wrote:
> On Sat, Sep 9, 2023 at 4:45 PM Si-Wei Liu wrote:
> >
> > Following patchset introduces dedicated group for descriptor table to
> > reduce live migration downtime when passthrough VQ is being switched
> > to shadow VQ. This RFC v2 i
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