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/linux/Documentation/virt/kvm/x86/
H A Dtimekeeping.rst31 timekeeping which may be difficult to find elsewhere, specifically,
279 the APIC CPU-local memory-mapped hardware. Beware that CPU errata may affect
280 the use of the APIC and that workarounds may be required. In addition, some of
283 functionality that may be more computationally expensive to implement.
297 systems designated as legacy free may support only the HPET as a hardware timer
317 timing chips built into the cards which may have registers which are accessible
360 platforms, the TSCs of different CPUs may start at different times depending
364 The BIOS may attempt to resynchronize the TSCs during the poweron process and
365 the operating system or other system software may attempt to do this as well.
367 write the full 64-bits of the TSC, it may be impossible to match the TSC in
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/linux/arch/m68k/ifpsp060/
H A Dfpsp.doc206 may exit through _060_real_inex <---|
208 may exit through _060_real_ovfl <---|
210 may exit through _060_fpsp_done <---|
218 may exit through _060_real_inex <---|
220 may exit through _060_real_unfl <---|
222 may exit through _060_fpsp_done <---|
253 |----> may exit through _060_real_trace
255 |----> may exit through _060_real_trap
257 |----> may exit through _060_real_bsun
259 |----> may exit through _060_fpsp_done
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/linux/security/smack/
H A Dsmack_access.c91 int may = srp->smk_access; in smk_access_entry() local
95 if ((may & MAY_WRITE) == MAY_WRITE) in smk_access_entry()
96 may |= MAY_LOCK; in smk_access_entry()
97 return may; in smk_access_entry()
120 int may = MAY_NOT; in smk_access() local
170 may = smk_access_entry(subject->smk_known, object->smk_known, in smk_access()
174 if (may <= 0 || (request & may) != request) { in smk_access()
184 if (may & MAY_BRINGUP) in smk_access()
224 int may; in smk_tskacc() local
236 may = smk_access_entry(sbj_known->smk_known, in smk_tskacc()
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/linux/Documentation/admin-guide/sysctl/
H A Duser.rst42 user namespace may create.
48 user namespace may create.
54 user namespace may create.
60 current user namespace may create.
66 user namespace may create.
72 user namespace may create.
78 user namespace may create.
84 user namespace may create.
/linux/Documentation/livepatch/
H A Dreliable-stacktrace.rst15 functions may have live state and therefore may not be safe to patch. One way
18 Existing stacktrace code may not always give an accurate picture of all
35 * The trace includes all functions that the task may be returned to, and the
56 architectures may need to verify that code has been compiled in a manner
57 expected by the unwinder. For example, an unwinder may expect that
63 In some cases, an unwinder may require metadata to correctly unwind.
78 Unwinding may terminate early for a number of reasons, including:
102 manipulating a frame pointer), but there can be code which may not follow these
103 conventions and may require special handling in the unwinder, e.g.
124 There are several ways an architecture may identify kernel code which is deemed
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/linux/Documentation/security/
H A Dcredentials.rst17 Objects are things in the system that may be acted upon directly by
43 indicates the 'objective context' of that object. This may or may not be
58 Objects other than tasks may under some circumstances also be subjects.
59 For instance an open file may send SIGIO to a task using the UID and EUID
77 Linux has a number of actions available that a subject may perform upon an
98 file may supply more than one ACL.
102 'group' and 'other'), each of which may be granted certain privileges
112 The system as a whole may have one or more sets of rules that get
166 The inheritable capabilities are the ones that may get passed across
169 The bounding set limits the capabilities that may be inherited across
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/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dmsi.txt7 MSIs were originally specified by PCI (and are used with PCIe), but may also be
16 Devices may be configured by software to write to arbitrary doorbells which
17 they can address. An MSI controller may feature a number of doorbells.
21 Devices may be configured to write an arbitrary payload chosen by software.
22 MSI controllers may have restrictions on permitted payloads.
35 address by some master. An MSI controller may feature a number of doorbells.
58 generate, the doorbell and payload may be configured, though sideband
59 information may not be configurable.
67 This property is unordered, and MSIs may be allocated from any combination of
/linux/drivers/atm/
H A DKconfig61 Note that extended debugging may create certain race conditions
73 chipsets. However, in some cases, large bursts may overrun buffers
80 may increase the cost of setting up a transfer such that the
92 Burst sixteen words at once in the send direction. This may work
106 Burst four words at once in the send direction. You may want to try
108 may or may not improve throughput.
114 Burst two words at once in the send direction. You may want to try
116 are also set may or may not improve throughput.
122 Burst sixteen words at once in the receive direction. This may work
129 Burst eight words at once in the receive direction. This may work
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/linux/Documentation/staging/
H A Dspeculation.rst12 work which may be discarded at a later stage.
17 absence of data in caches. Such state may form side-channels which can be
32 Which, on arm64, may be compiled to an assembly sequence such as::
44 value will subsequently be discarded, but the speculated load may affect
47 More complex sequences involving multiple dependent memory accesses may
61 Under speculation, the first call to load_array() may return the value
63 microarchitectural state dependent on this value. This may provide an
/linux/Documentation/driver-api/
H A Dregulator.rst32 The regulator API uses a number of terms which may not be familiar:
43 may either be static, requiring only a fixed supply, or dynamic,
83 Note that since multiple consumers may be using a regulator and machine
84 constraints may not allow the regulator to be disabled there is no
87 drivers should assume that the regulator may be enabled at all times.
92 Some consumer devices may need to be able to dynamically configure their
93 supplies. For example, MMC drivers may need to select the correct
94 operating voltage for their cards. This may be done while the regulator
109 Callbacks may also be registered for events such as regulation failures.
141 and the parameters that may be set. This is required since generally
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/linux/Documentation/ABI/testing/
H A Dsysfs-bus-pci-devices-aer6 Note that this may mean that if an endpoint is causing problems, the AER
7 counters may increment at its link partner (e.g. root port) because the
8 errors may be "seen" / reported by the link partner and not the
9 problematic endpoint itself (which may report all counters as 0 as it never
17 PCI device using ERR_COR. Note that since multiple errors may
19 TOTAL_ERR_COR at the end of the file may not match the actual
38 PCI device using ERR_FATAL. Note that since multiple errors may
40 TOTAL_ERR_FATAL at the end of the file may not match the actual
69 may be reported using a single ERR_FATAL message, thus
70 TOTAL_ERR_NONFATAL at the end of the file may not match the
/linux/Documentation/admin-guide/mm/
H A Dnumaperf.rst8 Some platforms may have multiple types of memory attached to a compute
9 node. These disparate memory ranges may share some characteristics, such
10 as CPU cache coherence, but may have different performance. For example,
15 characteristics. Some memory may share the same node as a CPU, and others
17 CPUs, they may still be local to one or more compute nodes relative to
35 When multiple memory initiators exist, they may not all have the same
37 pair may be organized into different ranked access classes to represent
40 the highest access class, 0. Any given target may have one or more
41 local initiators, and any given initiator may have multiple local
54 A memory initiator may have multiple memory targets in the same access
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/linux/Documentation/userspace-api/media/v4l/
H A Ddev-encoder.rst26 2. The meaning of words "must", "may", "should", etc. is as per `RFC
31 4. :c:func:`VIDIOC_G_EXT_CTRLS` and :c:func:`VIDIOC_S_EXT_CTRLS` may be used
35 5. Single-planar API (see :ref:`planar-apis`) and applicable structures may be
89 client may call :c:func:`VIDIOC_ENUM_FMT` on ``CAPTURE``.
94 2. To enumerate the set of supported raw formats, the client may call
104 3. The client may use :c:func:`VIDIOC_ENUM_FRAMESIZES` to detect supported
117 4. The client may use :c:func:`VIDIOC_ENUM_FRAMEINTERVALS` to detect supported
138 ``CAPTURE``, if applicable, may be queried using their respective controls
141 6. Any additional encoder capabilities may be discovered by querying
158 desired size of ``CAPTURE`` buffers; the encoder may adjust it to
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/linux/LICENSES/deprecated/
H A DGFDL-1.276 textbook of mathematics, a Secondary Section may not explain any
86 allowed to be designated as Invariant. The Document may contain zero
92 the Document is released under this License. A Front-Cover Text may
93 be at most 5 words, and a Back-Cover Text may be at most 25 words.
134 The Document may include Warranty Disclaimers next to the notice which
138 implication that these Warranty Disclaimers may have is void and has
144 You may copy and distribute the Document in any medium, either
148 conditions whatsoever to those of this License. You may not use
150 copying of the copies you make or distribute. However, you may accept
154 You may also lend copies, under the same conditions stated above, and
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H A DGFDL-1.173 textbook of mathematics, a Secondary Section may not explain any
119 You may copy and distribute the Document in any medium, either
123 conditions whatsoever to those of this License. You may not use
125 copying of the copies you make or distribute. However, you may accept
129 You may also lend copies, under the same conditions stated above, and
130 you may publicly display copies.
142 visible. You may add other material on the covers in addition.
173 You may copy and distribute a Modified Version of the Document under
183 of the Document). You may use the same title as a previous version
210 it was based on. These may be placed in the "History" section.
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/linux/Documentation/ABI/stable/
H A Dsysfs-firmware-opal-elog13 Log entries may be purged by the service processor
20 the only remaining copy of a log message may be in
26 The service processor may be able to store more log
28 an event from Linux you may instantly get another one
33 user space to solve the problem. In future, we may
48 In the future there may be additional types.
/linux/Documentation/devicetree/bindings/pinctrl/
H A Dpinctrl-bindings.txt24 Note that pin controllers themselves may also be client devices of themselves.
25 For example, a pin controller may set up its own "active" state when the
37 property exists to define the pin configuration. Each state may also be
50 entries may exist in this list so that multiple pin
51 controllers may be configured, or so that a state may be built
57 In some cases, it may be useful to define a state, but for it
58 to be empty. This may be required when a common IP block is
62 exist, they must still be defined, but may be left empty.
/linux/Documentation/userspace-api/gpio/
H A Dgpio-v2-get-line-ioctl.rst35 value, write access to the line configuration, and may receive events when
39 A number of lines may be requested in the one line request, and request
47 the userspace perspective, and may revert to its default state.
62 the only other flag that may be set is ``GPIO_V2_LINE_FLAG_ACTIVE_LOW``
68 Only one drive flag may be set.
71 Only one bias flag, ``GPIO_V2_LINE_FLAG_BIAS_xxx``, may be set, and it
76 ``GPIO_V2_LINE_FLAG_INPUT`` to be set and may be combined to detect both rising
80 Only one event clock flag, ``GPIO_V2_LINE_FLAG_EVENT_CLOCK_xxx``, may be set.
86 The :c:type:`debounce_period_us<gpio_v2_line_attribute>` attribute may only
H A Dgpio-get-lineevent-ioctl.rst41 value and may receive events when edges are detected on the line, as
46 the line becomes uncontrolled from the userspace perspective, and may revert
66 ``GPIOHANDLE_REQUEST_OPEN_SOURCE``, may be set.
68 Only one bias flag, ``GPIOHANDLE_REQUEST_BIAS_xxx``, may be set.
72 ``GPIOEVENT_REQUEST_FALLING_EDGE``, may be combined to detect both rising
/linux/Documentation/arch/powerpc/
H A Dsyscall64-abi.rst14 scv 0 instruction is an alternative that may provide better performance,
21 .. [1] Some syscalls (typically low-level management functions) may have
93 to the usual transactional memory semantics. A syscall may or may not result
126 following differences. Some vsyscalls may have different calling sequences.
134 The vsyscall may or may not use the caller's stack frame save areas.
153 may or may not result in the transaction being doomed by hardware.
/linux/Documentation/arch/x86/
H A Dintel-hfi.rst25 separate capabilities. Even though on some systems these two metrics may be
28 These capabilities may change at runtime as a result of changes in the
32 capabilities may change every tens of milliseconds. For instance, a remote
33 mechanism may be used to lower Thermal Design Power. Such change can be
35 excessive heat, the HFI may reflect reduced performance on specific CPUs.
52 The thermal monitor may generate interrupts per CPU or per package. The HFI
66 that there may be many HFI updates every second, the updates relayed to
/linux/Documentation/userspace-api/media/
H A Dfdl-appendix.rst67 may not explain any mathematics.) The relationship could be a matter of
127 You may copy and distribute the :ref:`Document <fdl-document>` in any
131 you add no other conditions whatsoever to those of this License. You may
133 copying of the copies you make or distribute. However, you may accept
138 You may also lend copies, under the same conditions stated above, and
139 you may publicly display copies.
154 with all words of the title equally prominent and visible. You may add
191 You may copy and distribute a :ref:`Modified Version <fdl-modified>`
205 the Document). You may use the same title as a previous version if
259 versions it was based on. These may be placed in the "History"
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/linux/Documentation/driver-api/thermal/
H A Dnouveau_thermal.rst18 cannot access any of the i2c external monitoring chips it may find. If you
20 interface is likely not to work. This document may then not cover your situation
41 Some of these thresholds may not be used by Nouveau depending
70 You may also have the following attribute:
86 [PWM_min, PWM_max] range, the reported fan speed (RPM) may not be accurate
92 Thermal management on Nouveau is new and may not work on all cards. If you have
/linux/Documentation/networking/device_drivers/ethernet/chelsio/
H A Dcxgb.rst56 You may set the timer latency after disabling adaptive-rx::
64 You may also provide a timer latency value while disabling adaptive-rx::
105 parameters for "performance tuning" an what value to use. You may or may not
111 Your distribution may have a different way of doing things, or you may prefer
116 your system. You may want to write a script that runs at boot-up which
181 receiver. Due to the variations of RTT, you may want to increase the buffer
197 The receive buffer (RX_WINDOW) size may be calculated the same as single
201 not supported on the machine. Experimentation may be necessary to attain
213 may be found in /var/log/messages.
243 controller may be bound to more than one CPU. This will cause TCP
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/linux/Documentation/infiniband/
H A Dcore_locking.rst14 all of the methods in struct ib_device may sleep. The exceptions
26 which may not sleep and must be callable from any context.
61 some serialization may be required to get sensible results. For
62 example, a consumer may safely call ib_poll_cq() on multiple CPUs
95 may be process context, softirq context, or interrupt context.
96 Upper level protocol consumers may not sleep in a callback.
111 An upper level protocol consumer may begin using an IB device as

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