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authorJoel Stanley <joel@jms.id.au>2021-12-22 04:05:54 +0300
committerJoel Stanley <joel@jms.id.au>2021-12-22 04:05:59 +0300
commitdd1e40cecc7ca43ce22552e380bbc00b720575f5 (patch)
tree0c5609f9fa84dfc5e87b8f4288ff4493967cd50d /Documentation
parentd3226532acf4ee0c96a27073d951107aa2be27c4 (diff)
parent57dcae4a8b93271c4e370920ea0dbb94a0215d30 (diff)
downloadlinux-dd1e40cecc7ca43ce22552e380bbc00b720575f5.tar.xz
Merge tag 'v5.15.10' into dev-5.15
This is the 5.15.10 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/sysctl/kernel.rst2
-rw-r--r--Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml14
-rw-r--r--Documentation/devicetree/bindings/net/ethernet-phy.yaml8
-rw-r--r--Documentation/locking/locktypes.rst9
-rw-r--r--Documentation/networking/ipvs-sysctl.rst3
5 files changed, 15 insertions, 21 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index 426162009ce9..0e486f41185e 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1099,7 +1099,7 @@ task_delayacct
===============
Enables/disables task delay accounting (see
-:doc:`accounting/delay-accounting.rst`). Enabling this feature incurs
+Documentation/accounting/delay-accounting.rst. Enabling this feature incurs
a small amount of overhead in the scheduler but is useful for debugging
and performance tuning. It is required by some tools such as iotop.
diff --git a/Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml
index 877183cf4278..1ef849dc74d7 100644
--- a/Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml
+++ b/Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml
@@ -79,6 +79,8 @@ properties:
properties:
data-lanes:
+ description:
+ Note that 'fsl,imx7-mipi-csi2' only supports up to 2 data lines.
items:
minItems: 1
maxItems: 4
@@ -91,18 +93,6 @@ properties:
required:
- data-lanes
- allOf:
- - if:
- properties:
- compatible:
- contains:
- const: fsl,imx7-mipi-csi2
- then:
- properties:
- data-lanes:
- items:
- maxItems: 2
-
port@1:
$ref: /schemas/graph.yaml#/properties/port
description:
diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
index 2766fe45bb98..ee42328a109d 100644
--- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
@@ -91,6 +91,14 @@ properties:
compensate for the board being designed with the lanes
swapped.
+ enet-phy-lane-no-swap:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ If set, indicates that PHY will disable swap of the
+ TX/RX lanes. This property allows the PHY to work correcly after
+ e.g. wrong bootstrap configuration caused by issues in PCB
+ layout design.
+
eee-broken-100tx:
$ref: /schemas/types.yaml#/definitions/flag
description:
diff --git a/Documentation/locking/locktypes.rst b/Documentation/locking/locktypes.rst
index ddada4a53749..4fd7b70fcde1 100644
--- a/Documentation/locking/locktypes.rst
+++ b/Documentation/locking/locktypes.rst
@@ -439,11 +439,9 @@ preemption. The following substitution works on both kernels::
spin_lock(&p->lock);
p->count += this_cpu_read(var2);
-On a non-PREEMPT_RT kernel migrate_disable() maps to preempt_disable()
-which makes the above code fully equivalent. On a PREEMPT_RT kernel
migrate_disable() ensures that the task is pinned on the current CPU which
in turn guarantees that the per-CPU access to var1 and var2 are staying on
-the same CPU.
+the same CPU while the task remains preemptible.
The migrate_disable() substitution is not valid for the following
scenario::
@@ -456,9 +454,8 @@ scenario::
p = this_cpu_ptr(&var1);
p->val = func2();
-While correct on a non-PREEMPT_RT kernel, this breaks on PREEMPT_RT because
-here migrate_disable() does not protect against reentrancy from a
-preempting task. A correct substitution for this case is::
+This breaks because migrate_disable() does not protect against reentrancy from
+a preempting task. A correct substitution for this case is::
func()
{
diff --git a/Documentation/networking/ipvs-sysctl.rst b/Documentation/networking/ipvs-sysctl.rst
index 2afccc63856e..1cfbf1add2fc 100644
--- a/Documentation/networking/ipvs-sysctl.rst
+++ b/Documentation/networking/ipvs-sysctl.rst
@@ -37,8 +37,7 @@ conn_reuse_mode - INTEGER
0: disable any special handling on port reuse. The new
connection will be delivered to the same real server that was
- servicing the previous connection. This will effectively
- disable expire_nodest_conn.
+ servicing the previous connection.
bit 1: enable rescheduling of new connections when it is safe.
That is, whenever expire_nodest_conn and for TCP sockets, when