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/linux/Documentation/devicetree/bindings/remoteproc/
H A Dti,davinci-rproc.txt4 The TI Davinci family of SoCs usually contains a TI DSP Core sub-system that
5 is used to offload some of the processor-intensive tasks or algorithms, for
8 The processor cores in the sub-system usually contain additional sub-modules
10 controller, a dedicated local power/sleep controller etc. The DSP processor
15 Each DSP Core sub-system is represented as a single DT node.
18 --------------------
21 - compatible: Should be one of the following,
22 "ti,da850-dsp" for DSPs on OMAP-L138 SoCs
24 - reg: Should contain an entry for each value in 'reg-names'.
27 the parent node's '#address-cells' and '#size-cells' values.
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H A Dti,keystone-rproc.txt5 sub-systems that are used to offload some of the processor-intensive tasks or
8 These processor sub-systems usually contain additional sub-modules like L1
10 a dedicated local power/sleep controller etc. The DSP processor core in
11 Keystone 2 SoCs is usually a TMS320C66x CorePac processor.
15 Each DSP Core sub-system is represented as a single DT node, and should also
17 or optional properties that enable the OS running on the host processor (ARM
18 CorePac) to perform the device management of the remote processor and to
19 communicate with the remote processor.
22 --------------------
25 - compatible: Should be one of the following,
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H A Dti,k3-dsp-rproc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/ti,k3-dsp-rproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
13 The TI K3 family of SoCs usually have one or more TI DSP Core sub-systems
14 that are used to offload some of the processor-intensive tasks or algorithms,
17 These processor sub-systems usually contain additional sub-modules like
19 controller, a dedicated local power/sleep controller etc. The DSP processor
20 cores in the K3 SoCs are usually either a TMS320C66x CorePac processor or a
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H A Dti,omap-remoteproc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/ti,omap-remoteproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
13 The OMAP family of SoCs usually have one or more slave processor sub-systems
14 that are used to offload some of the processor-intensive tasks, or to manage
17 The processor cores in the sub-system are usually behind an IOMMU, and may
18 contain additional sub-modules like Internal RAM and/or ROMs, L1 and/or L2
21 The OMAP SoCs usually have a DSP processor sub-system and/or an IPU processor
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/linux/arch/mips/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
144 bool "Generic board-agnostic MIPS kernel"
201 bool "Alchemy processor based machines"
286 Build a generic DT-based kernel image that boots on select
287 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
379 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
380 DECstation porting pages on <http://decstation.unix-ag.org/>.
444 Olivetti M700-10 workstations.
481 bool "Loongson 32-bit family of machines"
501 This enables support for the Loongson-1 family of machines.
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/linux/arch/arm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
47 # https://github.com/llvm/llvm-project/commit/d130f402642fba3d065aacb506cb061c899558de
164 The ARM series is a line of low-power-consumption RISC chip designs
166 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
167 manufactured, but legacy ARM-based PC hardware remains popular in
175 relocations. The combined range is -/+ 256 MiB, which is usually
268 Patch phys-to-virt and virt-to-phys translation functions at
272 This can only be used with non-XIP MMU kernels where the base
318 bool "MMU-based Paged Memory Management Support"
321 Select if you want MMU-based virtualised addressing space
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/linux/arch/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
22 # IOMMUs not handled by dma-iommu. Drivers must never select this symbol.
29 menu "General architecture-dependent options"
34 Select if the architecture can check permissions at sub-page
70 by sharing mid-level caches, last-level cache tags or internal
74 bool "Multi-Core Cache (MC) scheduler support"
78 Multi-core scheduler support improves the CPU scheduler's decision
79 making when dealing with multi-core CPU chips at a cost of slightly
127 for kernel debugging, non-intrusive instrumentation and testing.
136 makes certain almost-always-true or almost-always-false branch
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/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt16 force -- enable ACPI if default was off
17 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
18 off -- disable ACPI if default was on
19 noirq -- do not use ACPI for IRQ routing
20 strict -- Be less tolerant of platforms that are not
22 rsdt -- prefer RSDT over (default) XSDT
23 copy_dsdt -- copy DSDT to memory
24 nocmcff -- Disable firmware first mode for corrected
28 nospcr -- disable console in ACPI SPCR table as
45 If set to vendor, prefer vendor-specific driver
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/linux/lib/
H A DKconfig.debug1 # SPDX-License-Identifier: GPL-2.0-only
19 parameter printk.time=1. See Documentation/admin-guide/kernel-parameters.rst
26 in task context) or a caller "processor id" (if not in task context)
50 int "Default console loglevel (1-15)"
60 Note: This does not affect the log level of un-prefixed printk()
65 int "quiet console loglevel (1-15)"
76 int "Default message log level (1-7)"
82 This was hard-coded to KERN_WARNING since at least 2.6.10 but folks
118 enabled/disabled based on various levels of scope - per source file,
158 nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' >
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/linux/mm/
H A Dvmscan.c1 // SPDX-License-Identifier: GPL-2.0
31 #include <linux/backing-dev.h>
45 #include <linux/memory-tiers.h>
188 if ((_folio)->lru.prev != _base) { \
191 prev = lru_to_folio(&(_folio->lru)); \
192 prefetchw(&prev->_field); \
209 return sc->target_mem_cgroup; in cgroup_reclaim()
218 return !sc->target_mem_cgroup || mem_cgroup_is_root(sc->target_mem_cgroup); in root_reclaim()
222 * writeback_throttling_sane - is the usual dirty throttling mechanism available?
247 if (sc->proactive && sc->proactive_swappiness) in sc_swappiness()
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/linux/kernel/sched/
H A Dfair.c1 // SPDX-License-Identifier: GPL-2.0
44 #include <linux/memory-tiers.h>
62 * The initial- and re-scaling of tunables is configurable
66 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
67 * SCHED_TUNABLESCALING_LOG - scaled logarithmically, *1+ilog(ncpus)
68 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
75 * Minimal preemption granularity for CPU-bound tasks:
96 return -cpu; in arch_asym_cpu_priority()
116 * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool
167 lw->weight += inc; in update_load_add()
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