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Merge remote-tracking branch 'qcom_sm8250/lineage-20' into lineage-20
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Change-Id: I4b52f660c586a3f9a7393cbff534ff35e83fc1a3
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SebaUbuntu committed May 12, 2024
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Showing 597 changed files with 7,279 additions and 6,731 deletions.
12 changes: 6 additions & 6 deletions Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ errors may be "seen" / reported by the link partner and not the
problematic endpoint itself (which may report all counters as 0 as it never
saw any problems).

Where: /sys/bus/pci/devices/<dev>/aer_dev_correctable
What: /sys/bus/pci/devices/<dev>/aer_dev_correctable
Date: July 2018
Kernel Version: 4.19.0
Contact: linux-pci@vger.kernel.org, rajatja@google.com
Expand All @@ -31,7 +31,7 @@ Header Log Overflow 0
TOTAL_ERR_COR 2
-------------------------------------------------------------------------

Where: /sys/bus/pci/devices/<dev>/aer_dev_fatal
What: /sys/bus/pci/devices/<dev>/aer_dev_fatal
Date: July 2018
Kernel Version: 4.19.0
Contact: linux-pci@vger.kernel.org, rajatja@google.com
Expand Down Expand Up @@ -62,7 +62,7 @@ TLP Prefix Blocked Error 0
TOTAL_ERR_FATAL 0
-------------------------------------------------------------------------

Where: /sys/bus/pci/devices/<dev>/aer_dev_nonfatal
What: /sys/bus/pci/devices/<dev>/aer_dev_nonfatal
Date: July 2018
Kernel Version: 4.19.0
Contact: linux-pci@vger.kernel.org, rajatja@google.com
Expand Down Expand Up @@ -103,19 +103,19 @@ collectors) that are AER capable. These indicate the number of error messages as
device, so these counters include them and are thus cumulative of all the error
messages on the PCI hierarchy originating at that root port.

Where: /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_cor
What: /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_cor
Date: July 2018
Kernel Version: 4.19.0
Contact: linux-pci@vger.kernel.org, rajatja@google.com
Description: Total number of ERR_COR messages reported to rootport.

Where: /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_fatal
What: /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_fatal
Date: July 2018
Kernel Version: 4.19.0
Contact: linux-pci@vger.kernel.org, rajatja@google.com
Description: Total number of ERR_FATAL messages reported to rootport.

Where: /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_nonfatal
What: /sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_nonfatal
Date: July 2018
Kernel Version: 4.19.0
Contact: linux-pci@vger.kernel.org, rajatja@google.com
Expand Down
22 changes: 11 additions & 11 deletions Documentation/ABI/testing/sysfs-class-net-queues
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
What: /sys/class/<iface>/queues/rx-<queue>/rps_cpus
What: /sys/class/net/<iface>/queues/rx-<queue>/rps_cpus
Date: March 2010
KernelVersion: 2.6.35
Contact: netdev@vger.kernel.org
Expand All @@ -8,31 +8,31 @@ Description:
network device queue. Possible values depend on the number
of available CPU(s) in the system.

What: /sys/class/<iface>/queues/rx-<queue>/rps_flow_cnt
What: /sys/class/net/<iface>/queues/rx-<queue>/rps_flow_cnt
Date: April 2010
KernelVersion: 2.6.35
Contact: netdev@vger.kernel.org
Description:
Number of Receive Packet Steering flows being currently
processed by this particular network device receive queue.

What: /sys/class/<iface>/queues/tx-<queue>/tx_timeout
What: /sys/class/net/<iface>/queues/tx-<queue>/tx_timeout
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Description:
Indicates the number of transmit timeout events seen by this
network interface transmit queue.

What: /sys/class/<iface>/queues/tx-<queue>/tx_maxrate
What: /sys/class/net/<iface>/queues/tx-<queue>/tx_maxrate
Date: March 2015
KernelVersion: 4.1
Contact: netdev@vger.kernel.org
Description:
A Mbps max-rate set for the queue, a value of zero means disabled,
default is disabled.

What: /sys/class/<iface>/queues/tx-<queue>/xps_cpus
What: /sys/class/net/<iface>/queues/tx-<queue>/xps_cpus
Date: November 2010
KernelVersion: 2.6.38
Contact: netdev@vger.kernel.org
Expand All @@ -42,7 +42,7 @@ Description:
network device transmit queue. Possible vaules depend on the
number of available CPU(s) in the system.

What: /sys/class/<iface>/queues/tx-<queue>/xps_rxqs
What: /sys/class/net/<iface>/queues/tx-<queue>/xps_rxqs
Date: June 2018
KernelVersion: 4.18.0
Contact: netdev@vger.kernel.org
Expand All @@ -53,7 +53,7 @@ Description:
number of available receive queue(s) in the network device.
Default is disabled.

What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time
What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Expand All @@ -62,15 +62,15 @@ Description:
of this particular network device transmit queue.
Default value is 1000.

What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/inflight
What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/inflight
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Description:
Indicates the number of bytes (objects) in flight on this
network device transmit queue.

What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit
What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Expand All @@ -79,7 +79,7 @@ Description:
on this network device transmit queue. This value is clamped
to be within the bounds defined by limit_max and limit_min.

What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max
What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Expand All @@ -88,7 +88,7 @@ Description:
queued on this network device transmit queue. See
include/linux/dynamic_queue_limits.h for the default value.

What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min
What: /sys/class/net/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Expand Down
60 changes: 38 additions & 22 deletions Documentation/ABI/testing/sysfs-class-net-statistics
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Original file line number Diff line number Diff line change
@@ -1,20 +1,20 @@
What: /sys/class/<iface>/statistics/collisions
What: /sys/class/net/<iface>/statistics/collisions
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of collisions seen by this network device.
This value might not be relevant with all MAC layers.

What: /sys/class/<iface>/statistics/multicast
What: /sys/class/net/<iface>/statistics/multicast
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of multicast packets received by this
network device.

What: /sys/class/<iface>/statistics/rx_bytes
What: /sys/class/net/<iface>/statistics/rx_bytes
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -23,7 +23,7 @@ Description:
See the network driver for the exact meaning of when this
value is incremented.

What: /sys/class/<iface>/statistics/rx_compressed
What: /sys/class/net/<iface>/statistics/rx_compressed
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -32,7 +32,7 @@ Description:
network device. This value might only be relevant for interfaces
that support packet compression (e.g: PPP).

What: /sys/class/<iface>/statistics/rx_crc_errors
What: /sys/class/net/<iface>/statistics/rx_crc_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -41,7 +41,7 @@ Description:
by this network device. Note that the specific meaning might
depend on the MAC layer used by the interface.

What: /sys/class/<iface>/statistics/rx_dropped
What: /sys/class/net/<iface>/statistics/rx_dropped
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -51,7 +51,15 @@ Description:
packet processing. See the network driver for the exact
meaning of this value.

What: /sys/class/<iface>/statistics/rx_fifo_errors
What: /sys/class/net/<iface>/statistics/rx_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of receive errors on this network device.
See the network driver for the exact meaning of this value.

What: /sys/class/net/<iface>/statistics/rx_fifo_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -60,7 +68,7 @@ Description:
network device. See the network driver for the exact
meaning of this value.

What: /sys/class/<iface>/statistics/rx_frame_errors
What: /sys/class/net/<iface>/statistics/rx_frame_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -70,7 +78,7 @@ Description:
on the MAC layer protocol used. See the network driver for
the exact meaning of this value.

What: /sys/class/<iface>/statistics/rx_length_errors
What: /sys/class/net/<iface>/statistics/rx_length_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -79,7 +87,7 @@ Description:
error, oversized or undersized. See the network driver for the
exact meaning of this value.

What: /sys/class/<iface>/statistics/rx_missed_errors
What: /sys/class/net/<iface>/statistics/rx_missed_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -88,7 +96,15 @@ Description:
due to lack of capacity in the receive side. See the network
driver for the exact meaning of this value.

What: /sys/class/<iface>/statistics/rx_over_errors
What: /sys/class/net/<iface>/statistics/rx_nohandler
Date: February 2016
KernelVersion: 4.6
Contact: netdev@vger.kernel.org
Description:
Indicates the number of received packets that were dropped on
an inactive device by the network core.

What: /sys/class/net/<iface>/statistics/rx_over_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -98,15 +114,15 @@ Description:
(e.g: larger than MTU). See the network driver for the exact
meaning of this value.

What: /sys/class/<iface>/statistics/rx_packets
What: /sys/class/net/<iface>/statistics/rx_packets
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the total number of good packets received by this
network device.

What: /sys/class/<iface>/statistics/tx_aborted_errors
What: /sys/class/net/<iface>/statistics/tx_aborted_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -116,7 +132,7 @@ Description:
a medium collision). See the network driver for the exact
meaning of this value.

What: /sys/class/<iface>/statistics/tx_bytes
What: /sys/class/net/<iface>/statistics/tx_bytes
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -127,7 +143,7 @@ Description:
transmitted packets or all packets that have been queued for
transmission.

What: /sys/class/<iface>/statistics/tx_carrier_errors
What: /sys/class/net/<iface>/statistics/tx_carrier_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -136,7 +152,7 @@ Description:
because of carrier errors (e.g: physical link down). See the
network driver for the exact meaning of this value.

What: /sys/class/<iface>/statistics/tx_compressed
What: /sys/class/net/<iface>/statistics/tx_compressed
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -145,7 +161,7 @@ Description:
this might only be relevant for devices that support
compression (e.g: PPP).

What: /sys/class/<iface>/statistics/tx_dropped
What: /sys/class/net/<iface>/statistics/tx_dropped
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -154,7 +170,7 @@ Description:
See the driver for the exact reasons as to why the packets were
dropped.

What: /sys/class/<iface>/statistics/tx_errors
What: /sys/class/net/<iface>/statistics/tx_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -163,7 +179,7 @@ Description:
a network device. See the driver for the exact reasons as to
why the packets were dropped.

What: /sys/class/<iface>/statistics/tx_fifo_errors
What: /sys/class/net/<iface>/statistics/tx_fifo_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -172,7 +188,7 @@ Description:
FIFO error. See the driver for the exact reasons as to why the
packets were dropped.

What: /sys/class/<iface>/statistics/tx_heartbeat_errors
What: /sys/class/net/<iface>/statistics/tx_heartbeat_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -181,7 +197,7 @@ Description:
reported as heartbeat errors. See the driver for the exact
reasons as to why the packets were dropped.

What: /sys/class/<iface>/statistics/tx_packets
What: /sys/class/net/<iface>/statistics/tx_packets
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand All @@ -190,7 +206,7 @@ Description:
device. See the driver for whether this reports the number of all
attempted or successful transmissions.

What: /sys/class/<iface>/statistics/tx_window_errors
What: /sys/class/net/<iface>/statistics/tx_window_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Expand Down
18 changes: 11 additions & 7 deletions Documentation/admin-guide/hw-vuln/spectre.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -484,11 +484,14 @@ Spectre variant 2

Systems which support enhanced IBRS (eIBRS) enable IBRS protection once at
boot, by setting the IBRS bit, and they're automatically protected against
Spectre v2 variant attacks, including cross-thread branch target injections
on SMT systems (STIBP). In other words, eIBRS enables STIBP too.
Spectre v2 variant attacks.

Legacy IBRS systems clear the IBRS bit on exit to userspace and
therefore explicitly enable STIBP for that
On Intel's enhanced IBRS systems, this includes cross-thread branch target
injections on SMT systems (STIBP). In other words, Intel eIBRS enables
STIBP, too.

AMD Automatic IBRS does not protect userspace, and Legacy IBRS systems clear
the IBRS bit on exit to userspace, therefore both explicitly enable STIBP.

The retpoline mitigation is turned on by default on vulnerable
CPUs. It can be forced on or off by the administrator
Expand Down Expand Up @@ -622,9 +625,10 @@ kernel command line.
retpoline,generic Retpolines
retpoline,lfence LFENCE; indirect branch
retpoline,amd alias for retpoline,lfence
eibrs enhanced IBRS
eibrs,retpoline enhanced IBRS + Retpolines
eibrs,lfence enhanced IBRS + LFENCE
eibrs Enhanced/Auto IBRS
eibrs,retpoline Enhanced/Auto IBRS + Retpolines
eibrs,lfence Enhanced/Auto IBRS + LFENCE
ibrs use IBRS to protect kernel

Not specifying this option is equivalent to
spectre_v2=auto.
Expand Down
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