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/linux/fs/kernfs/
A Dfile.c203 of->event = atomic_read(&of_on(of)->event); in kernfs_seq_show()
247 of->event = atomic_read(&of_on(of)->event); in kernfs_file_read_iter()
357 if (!of->vm_ops) in kernfs_vma_open()
375 if (!of->vm_ops) in kernfs_vma_fault()
475 if (of->mmapped && of->vm_ops != vma->vm_ops) in kernfs_fop_mmap()
573 if (of) { in kernfs_unlink_open_file()
624 if (!of) in kernfs_fop_open()
654 of->kn = kn; in kernfs_fop_open()
693 of->seq_file->private = of; in kernfs_fop_open()
721 kfree(of); in kernfs_fop_open()
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/linux/Documentation/devicetree/bindings/clock/
A Dfsl,imx8-acm.yaml35 for the full list of i.MX8 ACM clock IDs.
70 - description: power domain of IMX_SC_R_ASRC_0
71 - description: power domain of IMX_SC_R_ASRC_1
72 - description: power domain of IMX_SC_R_ESAI_0
73 - description: power domain of IMX_SC_R_SAI_0
74 - description: power domain of IMX_SC_R_SAI_1
75 - description: power domain of IMX_SC_R_SAI_2
76 - description: power domain of IMX_SC_R_SAI_3
77 - description: power domain of IMX_SC_R_SAI_4
78 - description: power domain of IMX_SC_R_SAI_5
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/linux/Documentation/admin-guide/perf/
A Dhns3-pmu.rst52 two events have same value of bits 0~15 of config, that means they are
56 After getting two values of event pair in userspace, the formula of
66 Example usage of perf::
84 Example usage of perf::
93 Example usage of perf::
98 PMU collect performance statistic of one tc of physical port. The port id
101 Example usage of perf::
106 PMU collect performance statistic of one PF/VF. The function id is BDF of
123 PMU collect performance statistic of one queue of PF/VF. The function id
125 id of function.
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/linux/Documentation/sound/designs/
A Dtracepoints.rst12 This subsystem includes two categories of tracepoints; for state of PCM buffer
18 Tracepoints for state of PCM buffer
41 set of parameters. The latter is used for an actual decision of the parameters.
128 capacities of corresponding hardware.
133 The driver can refers to result of the interaction in a callback of
156 device, rules of constraint and name of the changed parameter, in order. The
157 field for rules of constraint consists of two sub-fields; index of applied rule
161 The rest of field represent state of the parameter before/after changing. These
162 fields are different according to type of the parameter. For parameters of mask
163 type, the fields represent hexadecimal dump of content of the parameter. For
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/linux/Documentation/scheduler/
A Dsched-stats.rst5 Version 16 of schedstats changed the order of definitions within
21 In version 14 of schedstat, there is at least one level of domain
34 which does this for many of the fields is available at
48 1) # of times sched_yield() was called
54 3) # of times schedule() was called
55 4) # of times schedule() left the processor idle
59 5) # of times try_to_wake_up() was called
67 9) # of timeslices run on this cpu
81 of idleness (idle, busy, and newly idle):
133 25) # of times active_load_balance() was called
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/linux/Documentation/devicetree/bindings/memory-controllers/ddr/
A Djedec,lpddr3.yaml46 of clock cycles.
53 SELF REFRESH) in terms of number of clock cycles.
66 Four-bank activate window in terms of number of clock cycles.
72 Mode register set command delay in terms of number of clock cycles.
85 Row active time in terms of number of clock cycles.
97 RAS-to-CAS delay in terms of number of clock cycles.
103 Refresh Cycle time in terms of number of clock cycles.
109 READ data latency in terms of number of clock cycles.
115 Row precharge time (all banks) in terms of number of clock cycles.
147 WRITE data latency in terms of number of clock cycles.
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/linux/Documentation/mm/
A Dzsmalloc.rst79 the number of objects allocated
89 Each zspage maintains inuse counter which keeps track of the number of
98 zsmalloc has 255 size classes, each of which can hold a number of zspages.
104 characteristics in terms of the number of pages per zspage and the number
118 #100 instead of size class #96. Size class #100 is meant for objects of size
122 hold a total of 5 objects. If we need to store 13 objects of size 1568, we
128 of 5 physical pages:::
138 objects of size 1568 in a single zspage, using a total of 5 physical pages.
156 Size class #202 stores objects of size 3264 bytes and has a maximum of 4 pages
161 Increasing the size of the chain of zspages also results in a higher watermark
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/linux/Documentation/filesystems/
A Ddirectory-locking.rst58 ancestor of the other, lock the parent of source first.
73 in its own right; it may happen as part of lookup. We speak of the
95 First of all, we verify that it is *not* an ancestor of our directory
153 3. ->i_rwsem of non-directories on that filesystem, in order of
157 6. ->i_rwsem of non-directories on local filesystem, in order of
193 we would have Dn a parent of D1, which is a parent of D2, which is
194 a parent of D3, ..., which is a parent of Dn. Relationships couldn't
206 a parent of D3, ..., which is a parent of Dn. Relationships between
230 of another child.
234 neither of the children is a descendent of another.
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/linux/Documentation/admin-guide/
A Diostats.rst44 each snapshot of your disk statistics.
68 Field 2 -- # of reads merged, field 6 -- # of writes merged (unsigned long)
85 See the description of field 2.
107 merge, or read of these stats by the number of I/Os in progress
109 last update of this field. This can provide an easy measure of both
116 See the description of field 2
161 Field 1 -- # of reads issued
164 Field 2 -- # of sectors read
168 Field 3 -- # of writes issued
171 Field 4 -- # of sectors written
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/linux/LICENSES/deprecated/
A DGFDL-1.1114 preceding the beginning of the body of the text.
156 Transparent copy of the Document, free of added material, which the
181 from that of the Document, and from those of previous versions
189 C. State on the Title page the name of the publisher of the
216 substance and tone of each of the contributor acknowledgements
241 of Cover Texts in the Modified Version. Only one passage of
259 Invariant Sections of all of the original documents, unmodified, and
267 adding at the end of it, in parentheses, the name of the original
285 verbatim copying of each of the documents in all other respects.
314 distribute translations of the Document under the terms of section 4.
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A DGFDL-1.2124 preceding the beginning of the body of the text.
183 a complete Transparent copy of the Document, free of added material.
206 from that of the Document, and from those of previous versions
215 C. State on the Title page the name of the publisher of the
242 the substance and tone of each of the contributor acknowledgements
268 of Cover Texts in the Modified Version. Only one passage of
286 Invariant Sections of all of the original documents, unmodified, and
294 adding at the end of it, in parentheses, the name of the original
312 verbatim copying of each of the documents in all other respects.
332 copies of the Document, then if the Document is less than one half of
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/linux/Documentation/devicetree/bindings/display/
A Dst,stih4xx.txt6 - reg: Physical base address of the IP registers and length of memory mapped region.
14 - reg: Physical base address of the IP registers and length of memory mapped region.
16 number of clocks may depend of the SoC type.
23 of bind them.
32 - reg: Physical base address of the IP registers and length of memory mapped region.
34 number of clocks may depend of the SoC type.
48 - reg: Physical base address of the IP registers and length of memory mapped region.
67 number of clocks may depend of the SoC type.
80 number of clocks may depend of the SoC type.
93 number of clocks may depend of the SoC type.
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/linux/Documentation/filesystems/ext4/
A Dgroup_descr.rst19 group of the flex group.
38 checksum is the lower 16 bits of the checksum of the FS UUID, the group
56 - Lower 32-bits of location of block bitmap.
60 - Lower 32-bits of location of inode bitmap.
64 - Lower 32-bits of location of inode table.
76 - Lower 16-bits of directory count.
84 - Lower 32-bits of location of snapshot exclusion bitmap.
116 - Upper 32-bits of location of block bitmap.
120 - Upper 32-bits of location of inodes bitmap.
124 - Upper 32-bits of location of inodes table.
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/linux/Documentation/arch/powerpc/
A Dassociativity.rst5 Associativity represents the groupings of the various platform resources into
6 domains of substantially similar mean performance relative to resources outside
7 of that domain. Resources subsets of a given domain that exhibit better
9 are represented as being members of a sub-grouping domain. This performance
18 Bit 0 of byte 5 in the "ibm,architecture-vec-5" property indicates usage of Form 0 or Form 1.
19 A value of 1 indicates the usage of Form 1 associativity. For Form 2 associativity
20 bit 2 of byte 5 in the "ibm,architecture-vec-5" property is used.
36 The list of domainID indexes represents an increasing hierarchy of resource grouping.
56 Hypervisor indicates the usage of FORM2 associativity using bit 2 of byte 5 in the
68 computing the distance of domain 8 from other domains present in the system. For the rest of
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/linux/Documentation/filesystems/caching/
A Dfscache.rst77 (2) The size of any accessible file must not be limited to the size of the
84 one-off access of a small portion of it (such as might be done with the
94 explicitly by use of tags.
165 This shows counts of a number of events that can happen in FS-Cache:
186 | |exp=N |Number of cookies expired off of the LRU |
208 |NoSpace |nwr=N |Number of write requests refused due to lack of space |
210 | |ncr=N |Number of create requests refused due to lack of space |
244 OBJS Number of cache objects in use
247 NAME Name of the cache.
276 CACHE Name of the cache or "-"
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/linux/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/
A Dcounters.rst105 Increment of these counters might indicate a problem. Each of these counters
319 ring i) due to the reach of the end of the cyclic buffer. When reaching
408 - The number of invocations of NAPI poll of channel i.
528 - The number of completions received on the CQ of the `XDP_TX` ring.
615 - Number of times a unit of work is successfully allocated in the TLS HW
620 - Number of times a unit of work is freed in the TLS HW offload pool.
633 - Number of successfully decrypted RX packets which were part of a TLS
688 - Number of times out of order TLS SQE fragments were handled on ring i.
710 - Number of TLS send data that were dropped due to retransmission of TLS
995 - The number of received packets dropped due to lack of buffers on a
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/linux/Documentation/userspace-api/media/
A Dfdl-appendix.rst63 relationship of the publishers or authors of the Document to the
119 of the body of the text.
170 Transparent copy of the Document, free of added material, which the
192 of the :ref:`Document <fdl-document>` under the conditions of sections
212 together with at least five of the principal authors of the
267 and tone of each of the contributor acknowledgements and/or
327 :ref:`Invariant Sections <fdl-invariant>` of all of the original
335 section unique by adding at the end of it, in parentheses, the name of
338 list of Invariant Sections in the license notice of the combined work.
357 of each of the documents in all other respects.
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/linux/Documentation/devicetree/bindings/net/
A Dmicrel-ksz90x1.txt48 - rxc-skew-ps : Skew control of RXC pad
49 - rxdv-skew-ps : Skew control of RX CTL pad
50 - txc-skew-ps : Skew control of TXC pad
51 - txen-skew-ps : Skew control of TX CTL pad
52 - rxd0-skew-ps : Skew control of RX data 0 pad
53 - rxd1-skew-ps : Skew control of RX data 1 pad
54 - rxd2-skew-ps : Skew control of RX data 2 pad
55 - rxd3-skew-ps : Skew control of RX data 3 pad
56 - txd0-skew-ps : Skew control of TX data 0 pad
135 Maximum value of 1860, default value 900:
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/linux/LICENSES/dual/
A Dcopyleft-next-0.3.150 separate Distribution of portions of the Derived Work.
68 sections of this License.
100 a license that is OSI-Approved or FSF-Free as of the release date of this
108 years have elapsed from the date of My first Distribution of My Work
128 Termination of Your license grants extends to all copies of Covered
148 ** Distributor of My Work excludes the implied warranties of title, **
163 The invalidity or unenforceability of any provision of this License
164 does not affect the validity or enforceability of the remainder of
172 as of the release date of this License.
210 otherwise, or (b) ownership of more than fifty percent of the
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A DApache-2.036 ownership of such entity.
57 a whole, an original work of authorship. For the purposes of this License,
67 purposes of this definition, "submitted" means any form of electronic,
71 are managed by, or on behalf of, the Licensor for the purpose of discussing
80 2. Grant of Copyright License. Subject to the terms and conditions of this
87 3. Grant of Patent License. Subject to the terms and conditions of this
108 copy of this License; and
122 part of the Derivative Works, in at least one of the following
152 origin of the Work and reproducing the content of the NOTICE file.
169 consequential damages of any character arising as a result of this
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A DMPL-1.137 transfer of data.
85 exercising rights under, and complying with all of the terms of, this
92 (50%) of the outstanding shares or beneficial ownership of such
164 copy of this License with every copy of the Source Code You
274 If it is impossible for You to comply with any of the terms of this
316 Exhibit A shall not of themselves be deemed to be modifications of
336 such breach within 30 days of becoming aware of the breach. All
421 subject to the jurisdiction of the Federal Courts of the Northern
435 out of its utilization of rights under this License and You agree to
470 provisions of [______] License are applicable instead of those
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/linux/Documentation/process/
A Dcode-of-conduct-interpretation.rst3 Linux Kernel Contributor Covenant Code of Conduct Interpretation
22 quality of submission and eventual result to ever decrease.
35 The Code of Conduct mentions rights and responsibilities for
44 responsibility is upon all of us, and ultimately the Code of Conduct
59 of problems. Enforcement of the code of conduct will only be a last
78 Code of Conduct.
83 the Code of Conduct. The kernel community is aware of that and provides
91 number of different companies or individuals. All of these lists are
97 or bug tracking tools should follow the guidelines of the Code of
124 The address listed in the Code of Conduct goes to the Code of Conduct
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A D1.Intro.rst9 The rest of this section covers the scope of the kernel development process
40 of the development process; this section offers a number of tips on how to
61 With the growth of Linux has come an increase in the number of developers
72 One of the most compelling features of Linux is that it is accessible to
75 offer this kind of openness, which is a characteristic of the free software
86 thousands of lines of code are being changed every day. So it is not
128 As a way of illustrating the costs of out-of-tree code, here are a few
135 of supporting multiple versions of multiple distributions; it all just
143 But one result of that policy is that any out-of-tree code requires
187 All of the reasoning above applies to any out-of-tree kernel code,
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/linux/Documentation/input/
A Dmulti-touch-protocol.rst51 of events/packets.
55 the amount of data sent to userspace. The slot protocol requires the use of
60 enumeration of the full set of anonymous contacts currently on the
81 a BTN_TOOL_*TAP event to inform userspace of the total number of contacts
180 the perimeter of the finger. The center of the touching region (a) is
215 and MINOR are the major and minor axis of an ellipse. The orientation of
244 The length, in surface units, of the major axis of the approaching
250 The length, in surface units, of the minor axis of the approaching
255 the notion of pressure. The fingers of the hand and the palm all have
294 The surface X coordinate of the center of the touching ellipse.
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/linux/Documentation/translations/zh_CN/devicetree/
A Dkernel-api.rst22 drivers/of/base.c
24 include/linux/of.h
26 drivers/of/property.c
30 drivers/of/address.c
32 drivers/of/irq.c
34 drivers/of/fdt.c
43 drivers/of/device.c
47 drivers/of/platform.c
54 drivers/of/resolver.c
56 drivers/of/dynamic.c
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