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/Linux-v5.4/Documentation/RCU/
Dlockdep.txt36 rcu_read_lock_held(). This is useful in code that is
40 rcu_read_lock_bh_held(). This is useful in code that
44 rcu_read_lock_sched_held(). This is useful in code that
48 srcu_read_lock_held()(). This is useful in code that
54 and compiler constraints. This is useful when the data
60 or coalescsing. This is useful when when testing the
/Linux-v5.4/drivers/ptp/
DKconfig52 timer as a PTP clock. This clock is only useful if your PTP
66 clock. This clock is only useful if your PTP programs are
85 clock. This clock is only useful if your PTP programs are
103 This clock is only useful if your PTP programs are getting
117 clock. This clock is only useful if you are using KVM guests.
/Linux-v5.4/Documentation/process/
Dclang-format.rst12 - Quickly reformat a block of code to the kernel style. Specially useful
18 - Help you follow the coding style rules, specially useful for those
59 Counting the lines of such a diff is also useful for improving/tweaking
91 useful when moving code around, for complex code that is deeply intended,
96 it can be very useful.
182 They are typically useful for block re-formatting, rather than full-file.
/Linux-v5.4/arch/x86/
DKconfig.debug24 This is useful for kernel debugging when your machine crashes very
37 This is useful for kernel debugging when your machine crashes very
75 debugfs file. This information is only useful for kernel developers
97 This is useful for discovering cases where the kernel is leaving
166 Add a simple leak tracer to the IOMMU code. This is useful when you
178 This option is useful for checking the sanity of x86 instruction
253 and overlapping. This option is really only useful if you are
333 useful in many cases. Unlike the other unwinders, it has no runtime
/Linux-v5.4/drivers/gpu/drm/
Ddrm_atomic_state_helper.c70 * This is useful for drivers that subclass the CRTC state.
108 * This is useful for drivers that subclass the CRTC state.
167 * the memory of the CRTC state. This is useful for drivers that subclass the
219 * Initializes plane state to default. This is useful for drivers that subclass
259 * Copies atomic state from a plane's current state. This is useful for
304 * the memory of the plane state. This is useful for drivers that subclass the
348 * This is useful for drivers that subclass the connector state.
405 * Copies atomic state from a connector's current state. This is useful for
453 * freeing the memory of the connector state. This is useful for drivers that
494 * This is useful for drivers that subclass the private state.
/Linux-v5.4/sound/soc/fsl/
DKconfig14 This option is only useful for out-of-tree drivers since
25 This option is only useful for out-of-tree drivers since
43 This option is only useful for out-of-tree drivers since
55 This option is only useful for out-of-tree drivers since
65 This option is only useful for out-of-tree drivers since
89 This option is only useful for out-of-tree drivers since
/Linux-v5.4/drivers/nvme/target/
DKconfig13 functionality useful.
25 This enables the NVMe loopback device support, which can be useful
61 This enables the NVMe FC loopback test support, which can be useful
/Linux-v5.4/drivers/input/
DKconfig60 option is only useful for out-of-tree drivers since
73 useful for out-of-tree drivers since in-tree drivers
86 useful for out-of-tree drivers since in-tree drivers
167 the system log. While this is useful for debugging, it's also
181 requested suspend through APM. This is useful on embedded
/Linux-v5.4/include/video/
Dtgafb.h69 * Useful defines for managing the registers
110 * Useful defines for managing the ICS1562 PLL clock
118 * Useful defines for managing the BT485 on the 8-plane TGA
144 * Useful defines for managing the BT463 on the 24-plane TGAs/SFB+s
172 * Useful defines for managing the BT459 on the 8-plane SFB+s
/Linux-v5.4/arch/microblaze/
DKconfig128 This kernel feature is useful for number crunching applications
190 This can be useful in optimizing the layout of kernel virtual
216 this address). This can be useful in optimizing the virtual memory
231 allocated to user tasks. This can be useful in optimizing the
/Linux-v5.4/include/drm/
Ddrm_atomic_helper.h157 * This iterates over the current state, useful (for example) when applying
159 * planes which *will* be attached (more useful in code called from
172 * attached if the specified state is applied. Useful during for example
186 * attached if the specified state is applied. Useful during for example
191 * const plane_state. This is useful when a driver just wants to peek at other
Ddrm_atomic.h119 * useful to throttle updates and avoid hardware updates getting ahead
634 * This is useful in atomic check callbacks, when drivers need to peek at, but
687 * new state. This is useful in places where the state delta needs to be
708 * state. This is useful in disable functions, where we need the old state the
728 * state. This is useful in enable functions, where we need the new state the
748 * new state. This is useful in places where the state delta needs to be
768 * state. This is useful in disable functions, where we need the old state the
787 * state. This is useful in enable functions, where we need the new state the
807 * new state. This is useful in places where the state delta needs to be
829 * tracking both old and new state. This is useful in places where the
[all …]
/Linux-v5.4/arch/arm64/
DKconfig.debug13 debugfs file. This information is only useful for kernel developers
49 This is useful for discovering cases where the kernel is leaving
90 the kernel that are only useful when using a debug build of the
/Linux-v5.4/drivers/atm/
DKconfig21 Dummy ATM driver. Useful for proxy signalling, testing,
28 ATM over TCP driver. Useful mainly for development and for
225 Somewhat useful debugging messages are available. The choice of
239 an open connection in the raw cell queue of the driver. Useful
260 Somewhat useful debugging messages are available. The choice of
284 Somewhat useful debugging messages are available. The choice of
316 Somewhat useful debugging messages are available. The choice of
/Linux-v5.4/drivers/hwtracing/coresight/
DKconfig73 This is primarily useful for instruction level tracing. Depending
83 instructions that a processor is executing. This is primarily useful
95 logging useful software events or data coming from various entities
/Linux-v5.4/Documentation/ABI/testing/
Dsysfs-bus-i2c-devices-pca954x10 channel, which is useful when there is a device
17 which is useful if there is one channel that is
Dsysfs-class-bdi41 For example, this is useful for providing a minimum QoS.
46 given percentage of the write-back cache. This is useful in
/Linux-v5.4/tools/perf/Documentation/
Dperf-stat.txt198 is a useful mode to detect imbalance between sockets. To enable this mode,
201 useful to gauge the amount of aggregation.
205 is a useful mode to detect imbalance between dies. To enable this mode,
208 useful to gauge the amount of aggregation.
212 is a useful mode to detect imbalance between physical cores. To enable this mode,
222 After starting the program, wait msecs before measuring. This is useful to
320 In practice, the percentages of SMI cycles is very useful for performance
/Linux-v5.4/Documentation/networking/
Dipvs-sysctl.txt132 be useful, when user-space monitoring program deletes the
150 This may be useful, when a user makes a destination server
166 protocols like ipip, which is useful to prevent rescheduling
217 This is useful for normal connections with high traffic to reduce
224 Defines sync retries with period of sync_refresh_period/8. Useful
/Linux-v5.4/Documentation/core-api/
Dtimekeeping.rst20 Useful for reliable timestamps and measuring short time intervals
49 This is rarely useful in the kernel.
124 reading the 'jiffies' variable. These are only useful when called
140 This is useful in some tracing or debugging code as well as
/Linux-v5.4/Documentation/media/dvb-drivers/
Dintro.rst17 API documentation is documented at the Kernel. You'll also find useful
20 You may also find useful material at https://linuxtv.org/downloads/.
/Linux-v5.4/fs/qnx4/
Dqnx4.h14 unsigned int Version; /* may be useful */
15 struct qnx4_inode_entry *BitMap; /* useful */
/Linux-v5.4/drivers/scsi/sym53c8xx_2/
Dsym_fw.h122 *a_ofs; /* Useful offsets in script A */
126 *b_ofs; /* Useful offsets in script B */
130 *z_ofs; /* Useful offsets in script Z */
149 * Macros used from the C code to get useful
/Linux-v5.4/arch/powerpc/
DKconfig421 This is also useful to emulate missing (optional) instructions
551 setting can still be useful to bootwrappers that need to know the
592 crash data from a previously crash'ed kernel. Useful when the next
862 values. Useful for bare metal only. If unsure say Y here.
883 This is useful if you cannot or don't want to change the
890 by spaces). This is useful for targets that depend of device tree
910 This kernel feature is useful for number crunching applications
1053 This can be useful in optimizing the layout of kernel virtual
1070 can be useful in optimizing the layout of kernel virtual memory.
1102 the kernel will map low memory. This can be useful in optimizing
[all …]
/Linux-v5.4/arch/parisc/include/uapi/asm/
Dioctl.h12 * This program is distributed in the hope that it will be useful,
30 * is useful for catching programs compiled with old versions

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