On 14/07/2023 6:46 pm, Rob Herring wrote:
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include pla
On Fri, Jul 14, 2023 at 11:46:39AM -0600, Rob Herring wrote:
> drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c | 2 +-
> drivers/iommu/arm/arm-smmu/arm-smmu.c| 1 -
> drivers/iommu/arm/arm-smmu/qcom_iommu.c | 3 +--
> drivers/iommu/ipmmu-vmsa.c | 1 -
>
On Mon, Aug 07, 2023 at 07:09:33PM +0800, Qi Zheng wrote:
> The shrinker_rwsem is a global read-write lock in shrinkers subsystem,
> which protects most operations such as slab shrink, registration and
> unregistration of shrinkers, etc. This can easily cause problems in the
> following cases.
On Mon, Aug 07, 2023 at 07:09:32PM +0800, Qi Zheng wrote:
> Currently, we maintain two linear arrays per node per memcg, which are
> shrinker_info::map and shrinker_info::nr_deferred. And we need to resize
> them when the shrinker_nr_max is exceeded, that is, allocate a new array,
> and then copy t
On Mon, Aug 07, 2023 at 07:09:33PM +0800, Qi Zheng wrote:
> diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
> index eb342994675a..f06225f18531 100644
> --- a/include/linux/shrinker.h
> +++ b/include/linux/shrinker.h
> @@ -4,6 +4,8 @@
>
> #include
> #include
> +#include
> +#i
On Mon, Aug 7, 2023 at 2:15 PM Xuan Zhuo wrote:
>
> On Wed, 2 Aug 2023 09:49:31 +0800, Xuan Zhuo
> wrote:
> > On Tue, 1 Aug 2023 12:17:47 -0400, "Michael S. Tsirkin"
> > wrote:
> > > On Fri, Jul 28, 2023 at 02:02:33PM +0800, Xuan Zhuo wrote:
> > > > On Tue, 25 Jul 2023 19:07:23 +0800, Xuan Zhu
On Mon, Jul 31, 2023 at 2:30 PM Jason Wang wrote:
>
> On Thu, Jul 27, 2023 at 5:46 PM Michael S. Tsirkin wrote:
> >
> > On Thu, Jul 27, 2023 at 04:59:33PM +0800, Jason Wang wrote:
> > > > They really shouldn't - any NIC that takes forever to
> > > > program will create issues in the networking st
On Mon, Aug 07, 2023 at 07:09:34PM +0800, Qi Zheng wrote:
> Like global slab shrink, this commit also uses refcount+RCU method to make
> memcg slab shrink lockless.
This patch does random code cleanups amongst the actual RCU changes.
Can you please move the cleanups to a spearate patch to reduce t
On Tue, 8 Aug 2023 10:26:04 +0800, Jason Wang wrote:
> On Mon, Aug 7, 2023 at 2:15 PM Xuan Zhuo wrote:
> >
> > On Wed, 2 Aug 2023 09:49:31 +0800, Xuan Zhuo
> > wrote:
> > > On Tue, 1 Aug 2023 12:17:47 -0400, "Michael S. Tsirkin"
> > > wrote:
> > > > On Fri, Jul 28, 2023 at 02:02:33PM +0800, X
On Thu, Aug 3, 2023 at 7:40 PM Dragos Tatulea wrote:
>
> On Thu, 2023-08-03 at 16:03 +0800, Jason Wang wrote:
> > On Thu, Aug 3, 2023 at 1:13 AM Dragos Tatulea wrote:
> > >
> > > The mr->initialized flag is shared between the control vq and data vq
> > > part of the mr init/uninit. But if the con
On Fri, Aug 4, 2023 at 1:58 AM Si-Wei Liu wrote:
>
>
>
> On 8/3/2023 1:03 AM, Jason Wang wrote:
> > On Thu, Aug 3, 2023 at 1:13 AM Dragos Tatulea wrote:
> >> The mr->initialized flag is shared between the control vq and data vq
> >> part of the mr init/uninit. But if the control vq and data vq ge
On Tue, Aug 8, 2023 at 10:52 AM Xuan Zhuo wrote:
>
> On Tue, 8 Aug 2023 10:26:04 +0800, Jason Wang wrote:
> > On Mon, Aug 7, 2023 at 2:15 PM Xuan Zhuo wrote:
> > >
> > > On Wed, 2 Aug 2023 09:49:31 +0800, Xuan Zhuo
> > > wrote:
> > > > On Tue, 1 Aug 2023 12:17:47 -0400, "Michael S. Tsirkin"
>
On Tue, 8 Aug 2023 11:08:09 +0800, Jason Wang wrote:
> On Tue, Aug 8, 2023 at 10:52 AM Xuan Zhuo wrote:
> >
> > On Tue, 8 Aug 2023 10:26:04 +0800, Jason Wang wrote:
> > > On Mon, Aug 7, 2023 at 2:15 PM Xuan Zhuo
> > > wrote:
> > > >
> > > > On Wed, 2 Aug 2023 09:49:31 +0800, Xuan Zhuo
> > > >
On Tue, Aug 8, 2023 at 11:12 AM Xuan Zhuo wrote:
>
> On Tue, 8 Aug 2023 11:08:09 +0800, Jason Wang wrote:
> > On Tue, Aug 8, 2023 at 10:52 AM Xuan Zhuo
> > wrote:
> > >
> > > On Tue, 8 Aug 2023 10:26:04 +0800, Jason Wang wrote:
> > > > On Mon, Aug 7, 2023 at 2:15 PM Xuan Zhuo
> > > > wrote:
On Tue, 8 Aug 2023 11:49:08 +0800, Jason Wang wrote:
> On Tue, Aug 8, 2023 at 11:12 AM Xuan Zhuo wrote:
> >
> > On Tue, 8 Aug 2023 11:08:09 +0800, Jason Wang wrote:
> > > On Tue, Aug 8, 2023 at 10:52 AM Xuan Zhuo
> > > wrote:
> > > >
> > > > On Tue, 8 Aug 2023 10:26:04 +0800, Jason Wang
> >
On Tue, Aug 8, 2023 at 11:57 AM Xuan Zhuo wrote:
>
> On Tue, 8 Aug 2023 11:49:08 +0800, Jason Wang wrote:
> > On Tue, Aug 8, 2023 at 11:12 AM Xuan Zhuo
> > wrote:
> > >
> > > On Tue, 8 Aug 2023 11:08:09 +0800, Jason Wang wrote:
> > > > On Tue, Aug 8, 2023 at 10:52 AM Xuan Zhuo
> > > > wrote:
On Tue, 8 Aug 2023 11:59:04 +0800, Jason Wang wrote:
> On Tue, Aug 8, 2023 at 11:57 AM Xuan Zhuo wrote:
> >
> > On Tue, 8 Aug 2023 11:49:08 +0800, Jason Wang wrote:
> > > On Tue, Aug 8, 2023 at 11:12 AM Xuan Zhuo
> > > wrote:
> > > >
> > > > On Tue, 8 Aug 2023 11:08:09 +0800, Jason Wang
> >
On Tue, Aug 8, 2023 at 1:11 PM Yuan Yao wrote:
>
> In current packed virtqueue implementation, the avail_wrap_counter won't
> flip, in the case when the driver supplies a descriptor chain with a
> length equals to the queue size; total_sg == vq->packed.vring.num.
>
> Let’s assume the following sit
On Tue, Aug 08, 2023 at 01:43:02PM +0800, Jason Wang wrote:
> On Tue, Aug 8, 2023 at 1:11 PM Yuan Yao wrote:
> >
> > In current packed virtqueue implementation, the avail_wrap_counter won't
> > flip, in the case when the driver supplies a descriptor chain with a
> > length equals to the queue size
On Tue, Aug 8, 2023 at 1:59 PM Michael S. Tsirkin wrote:
>
> On Tue, Aug 08, 2023 at 01:43:02PM +0800, Jason Wang wrote:
> > On Tue, Aug 8, 2023 at 1:11 PM Yuan Yao wrote:
> > >
> > > In current packed virtqueue implementation, the avail_wrap_counter won't
> > > flip, in the case when the driver
On Tue, Aug 8, 2023 at 1:59 PM Yuan Yao wrote:
>
> Since there is a check for 0-length chain in code;BUG_ON(total_sg == 0), we
> won’t get a 0-length chain in practice. So, I think use (i <= head) makes the
> commit as small as possible.
Ok, offered ack in other mail.
Thanks
>
>
> Best regard
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