Loading CREDITS +4 −0 Original line number Diff line number Diff line Loading @@ -1439,6 +1439,10 @@ N: Justin Guyett E: jguyett@andrew.cmu.edu D: via-rhine net driver hacking N: Nitin Gupta E: ngupta@vflare.org D: zsmalloc memory allocator and zram block device driver N: Danny ter Haar E: dth@cistron.nl D: /proc/cpuinfo, reboot on panic , kernel pre-patch tester ;) Loading Documentation/ABI/stable/sysfs-driver-dma-idxd +12 −0 Original line number Diff line number Diff line Loading @@ -22,6 +22,7 @@ Date: Oct 25, 2019 KernelVersion: 5.6.0 Contact: dmaengine@vger.kernel.org Description: The largest number of work descriptors in a batch. It's not visible when the device does not support batch. What: /sys/bus/dsa/devices/dsa<m>/max_work_queues_size Date: Oct 25, 2019 Loading Loading @@ -49,6 +50,8 @@ Description: The total number of read buffers supported by this device. The read buffers represent resources within the DSA implementation, and these resources are allocated by engines to support operations. See DSA spec v1.2 9.2.4 Total Read Buffers. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/dsa<m>/max_transfer_size Date: Oct 25, 2019 Loading Loading @@ -122,6 +125,8 @@ Contact: dmaengine@vger.kernel.org Description: The maximum number of read buffers that may be in use at one time by operations that access low bandwidth memory in the device. See DSA spec v1.2 9.2.8 GENCFG on Global Read Buffer Limit. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/dsa<m>/cmd_status Date: Aug 28, 2020 Loading Loading @@ -205,6 +210,7 @@ KernelVersion: 5.10.0 Contact: dmaengine@vger.kernel.org Description: The max batch size for this workqueue. Cannot exceed device max batch size. Configurable parameter. It's not visible when the device does not support batch. What: /sys/bus/dsa/devices/wq<m>.<n>/ats_disable Date: Nov 13, 2020 Loading Loading @@ -250,6 +256,8 @@ KernelVersion: 5.17.0 Contact: dmaengine@vger.kernel.org Description: Enable the use of global read buffer limit for the group. See DSA spec v1.2 9.2.18 GRPCFG Use Global Read Buffer Limit. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/group<m>.<n>/read_buffers_allowed Date: Dec 10, 2021 Loading @@ -258,6 +266,8 @@ Contact: dmaengine@vger.kernel.org Description: Indicates max number of read buffers that may be in use at one time by all engines in the group. See DSA spec v1.2 9.2.18 GRPCFG Read Buffers Allowed. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/group<m>.<n>/read_buffers_reserved Date: Dec 10, 2021 Loading @@ -266,6 +276,8 @@ Contact: dmaengine@vger.kernel.org Description: Indicates the number of Read Buffers reserved for the use of engines in the group. See DSA spec v1.2 9.2.18 GRPCFG Read Buffers Reserved. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/group<m>.<n>/desc_progress_limit Date: Sept 14, 2022 Loading Documentation/admin-guide/kernel-parameters.txt +27 −5 Original line number Diff line number Diff line Loading @@ -1050,6 +1050,11 @@ them frequently to increase the rate of SLB faults on kernel addresses. stress_hpt [PPC] Limits the number of kernel HPT entries in the hash page table to increase the rate of hash page table faults on kernel addresses. disable= [IPV6] See Documentation/networking/ipv6.rst. Loading Loading @@ -2308,7 +2313,13 @@ Provide an override to the IOAPIC-ID<->DEVICE-ID mapping provided in the IVRS ACPI table. By default, PCI segment is 0, and can be omitted. For example: For example, to map IOAPIC-ID decimal 10 to PCI segment 0x1 and PCI device 00:14.0, write the parameter as: ivrs_ioapic=10@0001:00:14.0 Deprecated formats: * To map IOAPIC-ID decimal 10 to PCI device 00:14.0 write the parameter as: ivrs_ioapic[10]=00:14.0 Loading @@ -2320,7 +2331,13 @@ Provide an override to the HPET-ID<->DEVICE-ID mapping provided in the IVRS ACPI table. By default, PCI segment is 0, and can be omitted. For example: For example, to map HPET-ID decimal 10 to PCI segment 0x1 and PCI device 00:14.0, write the parameter as: ivrs_hpet=10@0001:00:14.0 Deprecated formats: * To map HPET-ID decimal 0 to PCI device 00:14.0 write the parameter as: ivrs_hpet[0]=00:14.0 Loading @@ -2331,15 +2348,20 @@ ivrs_acpihid [HW,X86-64] Provide an override to the ACPI-HID:UID<->DEVICE-ID mapping provided in the IVRS ACPI table. By default, PCI segment is 0, and can be omitted. For example, to map UART-HID:UID AMD0020:0 to PCI segment 0x1 and PCI device ID 00:14.5, write the parameter as: ivrs_acpihid[0001:00:14.5]=AMD0020:0 ivrs_acpihid=AMD0020:0@0001:00:14.5 By default, PCI segment is 0, and can be omitted. For example, PCI device 00:14.5 write the parameter as: Deprecated formats: * To map UART-HID:UID AMD0020:0 to PCI segment is 0, PCI device ID 00:14.5, write the parameter as: ivrs_acpihid[00:14.5]=AMD0020:0 * To map UART-HID:UID AMD0020:0 to PCI segment 0x1 and PCI device ID 00:14.5, write the parameter as: ivrs_acpihid[0001:00:14.5]=AMD0020:0 js= [HW,JOY] Analog joystick See Documentation/input/joydev/joystick.rst. Loading Documentation/admin-guide/sysctl/kernel.rst +4 −4 Original line number Diff line number Diff line Loading @@ -436,8 +436,8 @@ ignore-unaligned-usertrap On architectures where unaligned accesses cause traps, and where this feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN``; currently, ``arc`` and ``ia64``), controls whether all unaligned traps are logged. currently, ``arc``, ``ia64`` and ``loongarch``), controls whether all unaligned traps are logged. = ============================================================= 0 Log all unaligned accesses. Loading Loading @@ -1492,8 +1492,8 @@ unaligned-trap On architectures where unaligned accesses cause traps, and where this feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW``; currently, ``arc`` and ``parisc``), controls whether unaligned traps are caught and emulated (instead of failing). ``arc``, ``parisc`` and ``loongarch``), controls whether unaligned traps are caught and emulated (instead of failing). = ======================================================== 0 Do not emulate unaligned accesses. Loading Documentation/devicetree/bindings/dma/ingenic,dma.yaml +1 −0 Original line number Diff line number Diff line Loading @@ -18,6 +18,7 @@ properties: - enum: - ingenic,jz4740-dma - ingenic,jz4725b-dma - ingenic,jz4755-dma - ingenic,jz4760-dma - ingenic,jz4760-bdma - ingenic,jz4760-mdma Loading Loading
CREDITS +4 −0 Original line number Diff line number Diff line Loading @@ -1439,6 +1439,10 @@ N: Justin Guyett E: jguyett@andrew.cmu.edu D: via-rhine net driver hacking N: Nitin Gupta E: ngupta@vflare.org D: zsmalloc memory allocator and zram block device driver N: Danny ter Haar E: dth@cistron.nl D: /proc/cpuinfo, reboot on panic , kernel pre-patch tester ;) Loading
Documentation/ABI/stable/sysfs-driver-dma-idxd +12 −0 Original line number Diff line number Diff line Loading @@ -22,6 +22,7 @@ Date: Oct 25, 2019 KernelVersion: 5.6.0 Contact: dmaengine@vger.kernel.org Description: The largest number of work descriptors in a batch. It's not visible when the device does not support batch. What: /sys/bus/dsa/devices/dsa<m>/max_work_queues_size Date: Oct 25, 2019 Loading Loading @@ -49,6 +50,8 @@ Description: The total number of read buffers supported by this device. The read buffers represent resources within the DSA implementation, and these resources are allocated by engines to support operations. See DSA spec v1.2 9.2.4 Total Read Buffers. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/dsa<m>/max_transfer_size Date: Oct 25, 2019 Loading Loading @@ -122,6 +125,8 @@ Contact: dmaengine@vger.kernel.org Description: The maximum number of read buffers that may be in use at one time by operations that access low bandwidth memory in the device. See DSA spec v1.2 9.2.8 GENCFG on Global Read Buffer Limit. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/dsa<m>/cmd_status Date: Aug 28, 2020 Loading Loading @@ -205,6 +210,7 @@ KernelVersion: 5.10.0 Contact: dmaengine@vger.kernel.org Description: The max batch size for this workqueue. Cannot exceed device max batch size. Configurable parameter. It's not visible when the device does not support batch. What: /sys/bus/dsa/devices/wq<m>.<n>/ats_disable Date: Nov 13, 2020 Loading Loading @@ -250,6 +256,8 @@ KernelVersion: 5.17.0 Contact: dmaengine@vger.kernel.org Description: Enable the use of global read buffer limit for the group. See DSA spec v1.2 9.2.18 GRPCFG Use Global Read Buffer Limit. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/group<m>.<n>/read_buffers_allowed Date: Dec 10, 2021 Loading @@ -258,6 +266,8 @@ Contact: dmaengine@vger.kernel.org Description: Indicates max number of read buffers that may be in use at one time by all engines in the group. See DSA spec v1.2 9.2.18 GRPCFG Read Buffers Allowed. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/group<m>.<n>/read_buffers_reserved Date: Dec 10, 2021 Loading @@ -266,6 +276,8 @@ Contact: dmaengine@vger.kernel.org Description: Indicates the number of Read Buffers reserved for the use of engines in the group. See DSA spec v1.2 9.2.18 GRPCFG Read Buffers Reserved. It's not visible when the device does not support Read Buffer allocation control. What: /sys/bus/dsa/devices/group<m>.<n>/desc_progress_limit Date: Sept 14, 2022 Loading
Documentation/admin-guide/kernel-parameters.txt +27 −5 Original line number Diff line number Diff line Loading @@ -1050,6 +1050,11 @@ them frequently to increase the rate of SLB faults on kernel addresses. stress_hpt [PPC] Limits the number of kernel HPT entries in the hash page table to increase the rate of hash page table faults on kernel addresses. disable= [IPV6] See Documentation/networking/ipv6.rst. Loading Loading @@ -2308,7 +2313,13 @@ Provide an override to the IOAPIC-ID<->DEVICE-ID mapping provided in the IVRS ACPI table. By default, PCI segment is 0, and can be omitted. For example: For example, to map IOAPIC-ID decimal 10 to PCI segment 0x1 and PCI device 00:14.0, write the parameter as: ivrs_ioapic=10@0001:00:14.0 Deprecated formats: * To map IOAPIC-ID decimal 10 to PCI device 00:14.0 write the parameter as: ivrs_ioapic[10]=00:14.0 Loading @@ -2320,7 +2331,13 @@ Provide an override to the HPET-ID<->DEVICE-ID mapping provided in the IVRS ACPI table. By default, PCI segment is 0, and can be omitted. For example: For example, to map HPET-ID decimal 10 to PCI segment 0x1 and PCI device 00:14.0, write the parameter as: ivrs_hpet=10@0001:00:14.0 Deprecated formats: * To map HPET-ID decimal 0 to PCI device 00:14.0 write the parameter as: ivrs_hpet[0]=00:14.0 Loading @@ -2331,15 +2348,20 @@ ivrs_acpihid [HW,X86-64] Provide an override to the ACPI-HID:UID<->DEVICE-ID mapping provided in the IVRS ACPI table. By default, PCI segment is 0, and can be omitted. For example, to map UART-HID:UID AMD0020:0 to PCI segment 0x1 and PCI device ID 00:14.5, write the parameter as: ivrs_acpihid[0001:00:14.5]=AMD0020:0 ivrs_acpihid=AMD0020:0@0001:00:14.5 By default, PCI segment is 0, and can be omitted. For example, PCI device 00:14.5 write the parameter as: Deprecated formats: * To map UART-HID:UID AMD0020:0 to PCI segment is 0, PCI device ID 00:14.5, write the parameter as: ivrs_acpihid[00:14.5]=AMD0020:0 * To map UART-HID:UID AMD0020:0 to PCI segment 0x1 and PCI device ID 00:14.5, write the parameter as: ivrs_acpihid[0001:00:14.5]=AMD0020:0 js= [HW,JOY] Analog joystick See Documentation/input/joydev/joystick.rst. Loading
Documentation/admin-guide/sysctl/kernel.rst +4 −4 Original line number Diff line number Diff line Loading @@ -436,8 +436,8 @@ ignore-unaligned-usertrap On architectures where unaligned accesses cause traps, and where this feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN``; currently, ``arc`` and ``ia64``), controls whether all unaligned traps are logged. currently, ``arc``, ``ia64`` and ``loongarch``), controls whether all unaligned traps are logged. = ============================================================= 0 Log all unaligned accesses. Loading Loading @@ -1492,8 +1492,8 @@ unaligned-trap On architectures where unaligned accesses cause traps, and where this feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW``; currently, ``arc`` and ``parisc``), controls whether unaligned traps are caught and emulated (instead of failing). ``arc``, ``parisc`` and ``loongarch``), controls whether unaligned traps are caught and emulated (instead of failing). = ======================================================== 0 Do not emulate unaligned accesses. Loading
Documentation/devicetree/bindings/dma/ingenic,dma.yaml +1 −0 Original line number Diff line number Diff line Loading @@ -18,6 +18,7 @@ properties: - enum: - ingenic,jz4740-dma - ingenic,jz4725b-dma - ingenic,jz4755-dma - ingenic,jz4760-dma - ingenic,jz4760-bdma - ingenic,jz4760-mdma Loading
Arnaldo Carvalho de Melo <acme@redhat.com>Arnaldo Carvalho de Melo <acme@redhat.com>