On 12/4/2023 10:58 PM, Manivannan Sadhasivam wrote:
On Mon, Dec 04, 2023 at 01:21:42PM +0100, Luca Weiss wrote:
On Mon Dec 4, 2023 at 1:15 PM CET, Nitin Rawat wrote:
On 12/4/2023 3:54 PM, Luca Weiss wrote:
From: Nitin Rawat
Add UFS host controller and PHY nodes for sc7280 soc.
Signed-o
Hi Karel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on dtor-input/next]
[also build test WARNING on dtor-input/for-linus robh/for-next linus/master
v6.7-rc4 next-20231205]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when
Add support for resumable vqs in the driver. This is a firmware feature
that can be used for the following benefits:
- Full device .suspend/.resume.
- .set_map doesn't need to destroy and create new vqs anymore just to
update the map. When resumable vqs are supported it is enough to
suspend the
Add a bitmask variable that tracks hw vq field changes that
are supposed to be modified on next hw vq change command.
This will be useful to set multiple vq fields when resuming the vq.
Signed-off-by: Dragos Tatulea
Reviewed-by: Gal Pressman
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 48 +
Necessary for checking if resumable vqs are supported by the hardware.
Actual support will be added in a downstream patch.
Signed-off-by: Dragos Tatulea
Reviewed-by: Gal Pressman
Acked-by: Eugenio Pérez
---
include/linux/mlx5/mlx5_ifc.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Implement vdpa vq and device resume if capability detected. Add support
for suspend -> ready state change.
Signed-off-by: Dragos Tatulea
Reviewed-by: Gal Pressman
Acked-by: Eugenio Pérez
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 69 +++
1 file changed, 62 insertions(+
Addresses get set by .set_vq_address. hw vq addresses will be updated on
next modify_virtqueue.
Signed-off-by: Dragos Tatulea
Reviewed-by: Gal Pressman
Acked-by: Eugenio Pérez
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 9 +
include/linux/mlx5/mlx5_ifc_vdpa.h | 1 +
2 files changed, 10 in
.set_vq_state will set the indices and mark the fields to be modified in
the hw vq.
Signed-off-by: Dragos Tatulea
Reviewed-by: Gal Pressman
Acked-by: Eugenio Pérez
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 8
include/linux/mlx5/mlx5_ifc_vdpa.h | 2 ++
2 files changed, 10 insertions(+)
Instead of tearing down and setting up vq resources, use vq
suspend/resume during .set_map to speed things up a bit.
The vq mr is updated with the new mapping while the vqs are suspended.
If the device doesn't support resumable vqs, do the old teardown and
setup dance.
Signed-off-by: Dragos Tatu
Deleting the old mr during mr update (.set_map) and then modifying the
vqs with the new mr is not a good flow for firmware. The firmware
expects that mkeys are deleted after there are no more vqs referencing
them.
Introduce reference counting for mrs to fix this. It is the only way to
make sure th
Track allocated mrs in a list and show warning when leaks are detected
on device free or reset.
Signed-off-by: Dragos Tatulea
Reviewed-by: Gal Pressman
---
drivers/vdpa/mlx5/core/mlx5_vdpa.h | 2 ++
drivers/vdpa/mlx5/core/mr.c| 23 +++
drivers/vdpa/mlx5/net/mlx5_vne
On Tue, Dec 05, 2023 at 09:48:05AM +0300, Arseniy Krasnov wrote:
Add one more condition for sending credit update during dequeue from
stream socket: when number of bytes in the rx queue is smaller than
SO_RCVLOWAT value of the socket. This is actual for non-default value
of SO_RCVLOWAT (e.g. not
On Tue, Dec 05, 2023 at 09:48:06AM +0300, Arseniy Krasnov wrote:
Both tests are almost same, only differs in two 'if' conditions, so
implemented in a single function. Tests check, that credit update
message is sent:
1) During setting SO_RCVLOWAT value of the socket.
2) When number of 'rx_bytes'
On 05/12/2023 10:45, Nitin Rawat wrote:
On 12/4/2023 10:58 PM, Manivannan Sadhasivam wrote:
On Mon, Dec 04, 2023 at 01:21:42PM +0100, Luca Weiss wrote:
On Mon Dec 4, 2023 at 1:15 PM CET, Nitin Rawat wrote:
On 12/4/2023 3:54 PM, Luca Weiss wrote:
From: Nitin Rawat
Add UFS host controller
Currently there seems to be three page frag implementions
which all try to allocate order 3 page, if that fails, it
then fail back to allocate order 0 page, and each of them
all allow order 3 page allocation to fail under certain
condition by using specific gfp bits.
The gfp bits for order 3 page
The page frag in vhost_net_page_frag_refill() uses the
'struct page_frag' from skb_page_frag_refill(), but it's
implementation is similar to page_frag_alloc_align() now.
This patch removes vhost_net_page_frag_refill() by using
'struct page_frag_cache' instead of 'struct page_frag',
and allocating
When draining a page_frag_cache, most user are doing
the similar steps, so introduce an API to avoid code
duplication.
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_main.c | 11 ++-
drivers/net/ethernet/mediatek/mtk_wed_wo.c | 17 ++---
drivers/nvme/host
introduce vhost_net_test basing on virtio_test to test
vhost_net changing in the kernel.
Signed-off-by: Yunsheng Lin
---
tools/virtio/Makefile | 8 +-
tools/virtio/vhost_net_test.c | 441 ++
2 files changed, 446 insertions(+), 3 deletions(-)
create mode
On 05.12.2023 13:54, Stefano Garzarella wrote:
> On Tue, Dec 05, 2023 at 09:48:05AM +0300, Arseniy Krasnov wrote:
>> Add one more condition for sending credit update during dequeue from
>> stream socket: when number of bytes in the rx queue is smaller than
>> SO_RCVLOWAT value of the socket. Thi
On Tue, Dec 05, 2023 at 08:51:05AM +0100, Luca Weiss wrote:
> On Mon Dec 4, 2023 at 6:28 PM CET, Manivannan Sadhasivam wrote:
> > On Mon, Dec 04, 2023 at 01:21:42PM +0100, Luca Weiss wrote:
> > > On Mon Dec 4, 2023 at 1:15 PM CET, Nitin Rawat wrote:
> > > >
> > > >
> > > > On 12/4/2023 3:54 PM, Luc
On Tue, Dec 05, 2023 at 03:07:47PM +0300, Arseniy Krasnov wrote:
On 05.12.2023 13:54, Stefano Garzarella wrote:
On Tue, Dec 05, 2023 at 09:48:05AM +0300, Arseniy Krasnov wrote:
Add one more condition for sending credit update during dequeue from
stream socket: when number of bytes in the rx q
This patch adds UFS host controller and Phy nodes for Qualcomm sc7280
SoC and enable it on some sc7280-based boards.
Pick up the patchset from Nitin since the last revision (v4) has been
sent end of September and is blocking qcm6490-fairphone-fp5 UFS.
---
Changes in v6:
- Use MX power domain for
From: Nitin Rawat
Add UFS host controller and PHY nodes for sc7280 IDP board.
Signed-off-by: Nitin Rawat
Acked-by: Manivannan Sadhasivam
Signed-off-by: Luca Weiss
---
arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 19 +++
1 file changed, 19 insertions(+)
diff --git a/arch/arm64/
From: Nitin Rawat
Document the compatible string for the UFS found on SC7280.
Signed-off-by: Nitin Rawat
Reviewed-by: Krzysztof Kozlowski
Reviewed-by: Bao D. Nguyen
Acked-by: Manivannan Sadhasivam
Signed-off-by: Luca Weiss
---
Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 2 ++
1 f
From: Nitin Rawat
Add UFS host controller and PHY nodes for sc7280 soc.
Signed-off-by: Nitin Rawat
Reviewed-by: Konrad Dybcio
Tested-by: Konrad Dybcio # QCM6490 FP5
[luca: various cleanups and additions as written in the cover letter]
Signed-off-by: Luca Weiss
---
arch/arm64/boot/dts/qcom/s
Hi,
On Mon, 27 Nov 2023 22:55:22 +0900
"Masami Hiramatsu (Google)" wrote:
> @@ -243,6 +254,27 @@ ftrace_push_return_trace(unsigned long ret, unsigned
> long func,
> if (!current->ret_stack)
> return -EBUSY;
>
> + if (ret == (unsigned
> long)dereference_kernel_function
Hi Karel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on dtor-input/next]
[also build test WARNING on dtor-input/for-linus robh/for-next linus/master
v6.7-rc4 next-20231205]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when
On Tue, Dec 05, 2023 at 03:38:55PM +0100, Luca Weiss wrote:
> From: Nitin Rawat
>
> Add UFS host controller and PHY nodes for sc7280 soc.
>
> Signed-off-by: Nitin Rawat
> Reviewed-by: Konrad Dybcio
> Tested-by: Konrad Dybcio # QCM6490 FP5
> [luca: various cleanups and additions as written in
On Tue, 5 Dec 2023 15:10:50 + Russell King (Oracle) wrote:
> I've raised this before in other subsystems, and it's suggested that
> it's better to have it in the .c file. I guess the reason is that it's
> more obvious that the function is documented when modifying it, so
> there's a higher prob
On Tue, Dec 05, 2023 at 07:29:12AM -0800, Jakub Kicinski wrote:
> On Tue, 5 Dec 2023 15:10:50 + Russell King (Oracle) wrote:
> > I've raised this before in other subsystems, and it's suggested that
> > it's better to have it in the .c file. I guess the reason is that it's
> > more obvious that
On 12/1/23 15:46, Steven Rostedt wrote:
> On Fri, 1 Dec 2023 15:17:35 +0100
> Petr Pavlu wrote:
>
>> Ok, keeping the current approach, my plan for v2 is to prepare the
>> following patches:
>>
>> [...]
>> * Fix the potential race between trace_buffered_event_enable() and
>> trace_event_buffer_l
Fix a few problems related to the maintenance of buffered events.
Changes since v1 [1]:
* Address found problems individually. The approach in v1 tried to
simplify the buffered event synchronization but had performance
issues.
[1]
https://lore.kernel.org/linux-trace-kernel/20231127151248.723
The following warning appears when using buffered events:
[ 203.556451] WARNING: CPU: 53 PID: 10220 at kernel/trace/ring_buffer.c:3912
ring_buffer_discard_commit+0x2eb/0x420
[...]
[ 203.670690] CPU: 53 PID: 10220 Comm: stress-ng-sysin Tainted: GE
6.7.0-rc2-default #4 56e6d0fcf5
Function trace_buffered_event_disable() is responsible for freeing pages
backing buffered events and this process can run concurrently with
trace_event_buffer_lock_reserve().
The following race is currently possible:
* Function trace_buffered_event_disable() is called on CPU 0. It
increments tra
Function trace_buffered_event_disable() produces an unexpected warning
when the previous call to trace_buffered_event_enable() fails to
allocate pages for buffered events.
The situation can occur as follows:
* The counter trace_buffered_event_ref is at 0.
* The soft mode gets enabled for some even
From: "Steven Rostedt (Google)"
It use to be that only the top level instance had a snapshot buffer (for
latency tracers like wakeup and irqsoff). The update of the ring buffer
size would check if the instance was the top level and if so, it would
also update the snapshot buffer as it needs to be
On Tue, 5 Dec 2023 11:52:23 -0500
Steven Rostedt wrote:
> From: "Steven Rostedt (Google)"
>
> It use to be that only the top level instance had a snapshot buffer (for
> latency tracers like wakeup and irqsoff). The update of the ring buffer
> size would check if the instance was the top level a
On 12/5/2023 8:11 AM, Russell King (Oracle) wrote:
> On Tue, Dec 05, 2023 at 07:29:12AM -0800, Jakub Kicinski wrote:
>> On Tue, 5 Dec 2023 15:10:50 + Russell King (Oracle) wrote:
>>> I've raised this before in other subsystems, and it's suggested that
>>> it's better to have it in the .c file.
On 05.12.2023 17:21, Stefano Garzarella wrote:
> On Tue, Dec 05, 2023 at 03:07:47PM +0300, Arseniy Krasnov wrote:
>>
>>
>> On 05.12.2023 13:54, Stefano Garzarella wrote:
>>> On Tue, Dec 05, 2023 at 09:48:05AM +0300, Arseniy Krasnov wrote:
Add one more condition for sending credit update dur
On Tue, Nov 28, 2023 at 12:21:17PM -0500, Steven Rostedt wrote:
> From: "Steven Rostedt (Google)"
>
> A trace instance may only need to enable specific events. As the eventfs
> directory of an instance currently creates all events which adds overhead,
> allow internal instances to be created with
On Tue, Dec 05, 2023 at 09:44:05AM -0800, Jeff Johnson wrote:
> On 12/5/2023 8:11 AM, Russell King (Oracle) wrote:
> > On Tue, Dec 05, 2023 at 07:29:12AM -0800, Jakub Kicinski wrote:
> >> On Tue, 5 Dec 2023 15:10:50 + Russell King (Oracle) wrote:
> >>> I've raised this before in other subsystem
On Tue, 5 Dec 2023 19:13:09 +0100
Dmytro Maluka wrote:
> On Tue, Nov 28, 2023 at 12:21:17PM -0500, Steven Rostedt wrote:
> > From: "Steven Rostedt (Google)"
> >
> > A trace instance may only need to enable specific events. As the eventfs
> > directory of an instance currently creates all events
On 12/5/2023 10:14 AM, Russell King (Oracle) wrote:
> On Tue, Dec 05, 2023 at 09:44:05AM -0800, Jeff Johnson wrote:
>> So in my experience a function prototype IS the function definition, and
>> the actual function is just the implementation of that definition.
>>
>> But that thinking obviously isn
Hello,
On Mon, 4 Dec 2023, Lev Pantiukhin wrote:
> Maglev Hashing Stateless
>
>
> Introduction
>
>
> This patch to Linux kernel provides the following changes to IPVS:
>
> 1. Adds a new type (IP_VS_SVC_F_STATELESS) of scheduler that computes the
>
> Having worked with closed-source systems, especially VxWorks, for many
> years (where the header files contain all the documentation), it just
> seems strange to embed the documentation in the .c files.
The key words here might be closed-source. With such black boxes, you
don't have access the s
Fix keeping instance buffers in sync. That is, when the main ring buffer
size is updated, the size of the instance snapshot buffer also needs
to be updated if it is allocated.
Changes since v1:
https://lore.kernel.org/all/20231205115223.5256e...@gandalf.local.home/
- That was just patch 3 with
From: "Steven Rostedt (Google)"
It use to be that only the top level instance had a snapshot buffer (for
latency tracers like wakeup and irqsoff). The update of the ring buffer
size would check if the instance was the top level and if so, it would
also update the snapshot buffer as it needs to be
From: "Steven Rostedt (Google)"
It use to be that only the top level instance had a snapshot buffer (for
latency tracers like wakeup and irqsoff). When stopping a tracer in an
instance would not disable the snapshot buffer. This could have some
unintended consequences if the irqsoff tracer is ena
From: "Steven Rostedt (Google)"
When the ring buffer is being resized, it can cause side effects to the
running tracer. For instance, there's a race with irqsoff tracer that
swaps individual per cpu buffers between the main buffer and the snapshot
buffer. The resize operation modifies the main bu
From: "Steven Rostedt (Google)"
A trace instance may only need to enable specific events. As the eventfs
directory of an instance currently creates all events which adds overhead,
allow internal instances to be created with just the events in systems
that they care about. This currently only deal
Correct function comments to prevent kernel-doc warnings
found when using "W=1".
hwspinlock_core.c:208: warning: Excess function parameter 'timeout' description
in '__hwspin_lock_timeout'
hwspinlock_core.c:318: warning: Excess function parameter 'bank' description in
'of_hwspin_lock_simple_xlate
Switch character types to u8 and sizes to size_t. To conform to
characters/sizes in the rest of the tty layer.
Signed-off-by: Jiri Slaby (SUSE)
Cc: Michael Ellerman
Cc: Nicholas Piggin
Cc: Christophe Leroy
Cc: Amit Shah
Cc: Arnd Bergmann
Cc: Paul Walmsley
Cc: Palmer Dabbelt
Cc: Albert Ou
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