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‎Documentation/ABI/testing/sysfs-ata

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@@ -107,13 +107,14 @@ Description:
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described in ATA8 7.16 and 7.17. Only valid if
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the device is not a PM.
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pio_mode: (RO) Transfer modes supported by the device when
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in PIO mode. Mostly used by PATA device.
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pio_mode: (RO) PIO transfer mode used by the device.
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Mostly used by PATA devices.
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xfer_mode: (RO) Current transfer mode
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xfer_mode: (RO) Current transfer mode. Mostly used by
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PATA devices.
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dma_mode: (RO) Transfer modes supported by the device when
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in DMA mode. Mostly used by PATA device.
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dma_mode: (RO) DMA transfer mode used by the device.
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Mostly used by PATA devices.
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class: (RO) Device class. Can be "ata" for disk,
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"atapi" for packet device, "pmp" for PM, or

‎Documentation/ABI/testing/sysfs-bus-iio

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@@ -142,7 +142,7 @@ Description:
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Raw capacitance measurement from channel Y. Units after
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application of scale and offset are nanofarads.
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What: /sys/.../iio:deviceX/in_capacitanceY-in_capacitanceZ_raw
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What: /sys/.../iio:deviceX/in_capacitanceY-capacitanceZ_raw
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KernelVersion: 3.2
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Contact: linux-iio@vger.kernel.org
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Description:

‎Documentation/ABI/testing/sysfs-bus-iio-vf610

+1-1
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@@ -1,4 +1,4 @@
1-
What: /sys/bus/iio/devices/iio:deviceX/conversion_mode
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What: /sys/bus/iio/devices/iio:deviceX/in_conversion_mode
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KernelVersion: 4.2
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Contact: linux-iio@vger.kernel.org
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Description:

‎Documentation/ABI/testing/sysfs-device-mali-coresight-source

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@@ -0,0 +1,113 @@
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/*
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*
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* (C) COPYRIGHT 2022 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation) and any use by you of this program is subject to the terms
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* of such GNU licence.
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*
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* A copy of the licence is included with the program) and can also be obtained
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* from Free Software Foundation) Inc.) 51 Franklin Street) Fifth Floor)
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* Boston) MA 02110-1301) USA.
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*
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*/
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What: /sys/bus/coresight/devices/mali-source-etm/enable_source
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Description:
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Attribute used to enable Coresight Source ETM.
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What: /sys/bus/coresight/devices/mali-source-etm/is_enabled
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Description:
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Attribute used to check if Coresight Source ITM is enabled.
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What: /sys/bus/coresight/devices/mali-source-etm/trcconfigr
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Description:
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Coresight Source ETM trace configuration to enable global
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timestamping, and data value tracing.
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What: /sys/bus/coresight/devices/mali-source-etm/trctraceidr
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Description:
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Coresight Source ETM trace ID.
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What: /sys/bus/coresight/devices/mali-source-etm/trcvdarcctlr
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Description:
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Coresight Source ETM viewData include/exclude address
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range comparators.
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What: /sys/bus/coresight/devices/mali-source-etm/trcviiectlr
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Description:
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Coresight Source ETM viewInst include and exclude control.
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What: /sys/bus/coresight/devices/mali-source-etm/trcstallctlr
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Description:
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Coresight Source ETM stall control register.
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What: /sys/bus/coresight/devices/mali-source-itm/enable_source
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Description:
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Attribute used to enable Coresight Source ITM.
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What: /sys/bus/coresight/devices/mali-source-itm/is_enabled
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Description:
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Attribute used to check if Coresight Source ITM is enabled.
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What: /sys/bus/coresight/devices/mali-source-itm/dwt_ctrl
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Description:
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Coresight Source DWT configuration:
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[0] = 1, enable cycle counter
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[4:1] = 4, set PC sample rate pf 256 cycles
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[8:5] = 1, set initial post count value
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[9] = 1, select position of post count tap on the cycle counter
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[10:11] = 1, enable sync packets
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[12] = 1, enable periodic PC sample packets
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What: /sys/bus/coresight/devices/mali-source-itm/itm_tcr
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Description:
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Coresight Source ITM configuration:
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[0] = 1, Enable ITM
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[1] = 1, Enable Time stamp generation
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[2] = 1, Enable sync packet transmission
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[3] = 1, Enable HW event forwarding
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[11:10] = 1, Generate TS request approx every 128 cycles
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[22:16] = 1, Trace bus ID
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What: /sys/bus/coresight/devices/mali-source-ela/enable_source
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Description:
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Attribute used to enable Coresight Source ELA.
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What: /sys/bus/coresight/devices/mali-source-ela/is_enabled
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Description:
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Attribute used to check if Coresight Source ELA is enabled.
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What: /sys/bus/coresight/devices/mali-source-ela/select
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Description:
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Coresight Source ELA select trace mode:
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[0], NONE
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[1], JCN
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[2], CEU_EXEC
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[3], CEU_CMDS
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[4], MCU_AHBP
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[5], HOST_AXI
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[6], NR_TRACEMODE
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Refer to specification for more details.
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What: /sys/bus/coresight/devices/mali-source-ela/sigmask0
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Description:
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Coresight Source ELA SIGMASK0 register set/get.
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Refer to specification for more details.
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What: /sys/bus/coresight/devices/mali-source-ela/sigmask4
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Description:
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Coresight Source ELA SIGMASK4 register set/get.
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Refer to specification for more details.
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What: /sys/bus/coresight/devices/mali-source-ela/sigcomp0
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Description:
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Coresight Source ELA SIGCOMP0 register set/get.
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Refer to specification for more details.
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What: /sys/bus/coresight/devices/mali-source-ela/sigcomp4
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Description:
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Coresight Source ELA SIGCOMP4 register set/get.
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Refer to specification for more details.

‎Documentation/ABI/testing/sysfs-devices-system-cpu

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@@ -519,6 +519,8 @@ What: /sys/devices/system/cpu/vulnerabilities
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/sys/devices/system/cpu/vulnerabilities/srbds
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/sys/devices/system/cpu/vulnerabilities/tsx_async_abort
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/sys/devices/system/cpu/vulnerabilities/itlb_multihit
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/sys/devices/system/cpu/vulnerabilities/mmio_stale_data
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/sys/devices/system/cpu/vulnerabilities/retbleed
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Date: January 2018
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Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
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Description: Information about CPU vulnerabilities

‎Documentation/ABI/testing/sysfs-driver-xen-blkback

+1-1
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@@ -42,5 +42,5 @@ KernelVersion: 5.10
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Contact: SeongJae Park <sjpark@amazon.de>
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Description:
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Whether to enable the persistent grants feature or not. Note
45-
that this option only takes effect on newly created backends.
45+
that this option only takes effect on newly connected backends.
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The default is Y (enable).

‎Documentation/ABI/testing/sysfs-driver-xen-blkfront

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@@ -15,5 +15,5 @@ KernelVersion: 5.10
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Contact: SeongJae Park <sjpark@amazon.de>
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Description:
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Whether to enable the persistent grants feature or not. Note
18-
that this option only takes effect on newly created frontends.
18+
that this option only takes effect on newly connected frontends.
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The default is Y (enable).

‎Documentation/ABI/testing/sysfs-fs-f2fs

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@@ -56,8 +56,9 @@ Description: Controls the in-place-update policy.
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0x04 F2FS_IPU_UTIL
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0x08 F2FS_IPU_SSR_UTIL
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0x10 F2FS_IPU_FSYNC
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0x20 F2FS_IPU_ASYNC,
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0x20 F2FS_IPU_ASYNC
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0x40 F2FS_IPU_NOCACHE
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0x80 F2FS_IPU_HONOR_OPU_WRITE
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==== =================
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Refer segment.h for details.
@@ -431,6 +432,7 @@ Description: Show status of f2fs superblock in real time.
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0x800 SBI_QUOTA_SKIP_FLUSH skip flushing quota in current CP
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0x1000 SBI_QUOTA_NEED_REPAIR quota file may be corrupted
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0x2000 SBI_IS_RESIZEFS resizefs is in process
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0x4000 SBI_IS_FREEZING freefs is in process
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====== ===================== =================================
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What: /sys/fs/f2fs/<disk>/ckpt_thread_ioprio
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512514
Contact: "Daeho Jeong" <daehojeong@google.com>
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Description: You can control for which gc mode the "gc_reclaimed_segments" node shows.
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Refer to the description of the modes in "gc_reclaimed_segments".
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What: /sys/fs/f2fs/<disk>/hot_data_age_threshold
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Date: November 2022
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Contact: "Ping Xiong" <xiongping1@xiaomi.com>
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Description: When DATA SEPARATION is on, it controls the age threshold to indicate
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the data blocks as hot. By default it was initialized as 262144 blocks
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(equals to 1GB).
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What: /sys/fs/f2fs/<disk>/warm_data_age_threshold
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Date: November 2022
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Contact: "Ping Xiong" <xiongping1@xiaomi.com>
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Description: When DATA SEPARATION is on, it controls the age threshold to indicate
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the data blocks as warm. By default it was initialized as 2621440 blocks
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(equals to 10GB).
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What: /sys/fs/f2fs/<disk>/last_age_weight
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Date: January 2023
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Contact: "Ping Xiong" <xiongping1@xiaomi.com>
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Description: When DATA SEPARATION is on, it controls the weight of last data block age.

‎Documentation/admin-guide/hw-vuln/index.rst

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@@ -15,3 +15,4 @@ are configurable at compile, boot or run time.
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tsx_async_abort
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multihit.rst
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special-register-buffer-data-sampling.rst
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processor_mmio_stale_data.rst

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