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/kernel/linux/linux-5.10/tools/testing/selftests/openat2/
Dopenat2_test.c154 struct open_how how; member
165 .how.flags = O_TMPFILE | O_PATH | O_RDWR, .err = -EINVAL }, in test_openat2_flags()
167 .how.flags = O_TMPFILE | O_CREAT | O_RDWR, .err = -EINVAL }, in test_openat2_flags()
171 .how.flags = O_PATH | O_CLOEXEC }, in test_openat2_flags()
173 .how.flags = O_PATH | O_DIRECTORY }, in test_openat2_flags()
175 .how.flags = O_PATH | O_NOFOLLOW }, in test_openat2_flags()
178 .how.flags = O_PATH | O_RDWR, .err = -EINVAL }, in test_openat2_flags()
180 .how.flags = O_PATH | O_CREAT, .err = -EINVAL }, in test_openat2_flags()
182 .how.flags = O_PATH | O_EXCL, .err = -EINVAL }, in test_openat2_flags()
184 .how.flags = O_PATH | O_NOCTTY, .err = -EINVAL }, in test_openat2_flags()
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Dresolve_test.c113 struct open_how how; member
139 .path = "/", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
142 .path = "cheeky/absself", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
145 .path = "abscheeky/absself", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
148 .path = "..", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
151 .path = "../root/", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
154 .path = "cheeky/self", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
157 .path = "abscheeky/self", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
160 .path = "cheeky/garbageself", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
163 .path = "abscheeky/garbageself", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
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Dhelpers.c17 bool needs_openat2(const struct open_how *how) in needs_openat2() argument
19 return how->resolve != 0; in needs_openat2()
22 int raw_openat2(int dfd, const char *path, void *how, size_t size) in raw_openat2() argument
24 int ret = syscall(__NR_openat2, dfd, path, how, size); in raw_openat2()
28 int sys_openat2(int dfd, const char *path, struct open_how *how) in sys_openat2() argument
30 return raw_openat2(dfd, path, how, sizeof(*how)); in sys_openat2()
33 int sys_openat(int dfd, const char *path, struct open_how *how) in sys_openat() argument
35 int ret = openat(dfd, path, how->flags, how->mode); in sys_openat()
98 struct open_how how = {}; in init() local
104 fd = sys_openat2(AT_FDCWD, ".", &how); in init()
Dhelpers.h27 * Arguments for how openat2(2) should open the target path. If @resolve is
47 bool needs_openat2(const struct open_how *how);
50 /* how->resolve flags for openat2(2). */
94 int raw_openat2(int dfd, const char *path, void *how, size_t size);
95 int sys_openat2(int dfd, const char *path, struct open_how *how);
96 int sys_openat(int dfd, const char *path, struct open_how *how);
/kernel/linux/linux-5.10/fs/autofs/
Dexpire.c12 unsigned long timeout, unsigned int how) in autofs_can_expire() argument
20 if (!(how & AUTOFS_EXP_IMMEDIATE)) { in autofs_can_expire()
30 struct dentry *dentry, unsigned int how) in autofs_mount_busy() argument
52 if (how & AUTOFS_EXP_FORCED) { in autofs_mount_busy()
153 unsigned int how) in autofs_direct_busy() argument
158 if (how & AUTOFS_EXP_FORCED) in autofs_direct_busy()
172 if (!autofs_can_expire(top, timeout, how)) in autofs_direct_busy()
185 unsigned int how) in autofs_tree_busy() argument
207 if (autofs_mount_busy(mnt, p, how)) { in autofs_tree_busy()
231 if (how & AUTOFS_EXP_FORCED) in autofs_tree_busy()
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/kernel/linux/linux-4.19/fs/autofs/
Dexpire.c15 unsigned long timeout, unsigned int how) in autofs_can_expire() argument
23 if (!(how & AUTOFS_EXP_IMMEDIATE)) { in autofs_can_expire()
33 struct dentry *dentry, unsigned int how) in autofs_mount_busy() argument
55 if (how & AUTOFS_EXP_FORCED) { in autofs_mount_busy()
195 unsigned int how) in autofs_direct_busy() argument
200 if (how & AUTOFS_EXP_FORCED) in autofs_direct_busy()
214 if (!autofs_can_expire(top, timeout, how)) in autofs_direct_busy()
227 unsigned int how) in autofs_tree_busy() argument
249 if (autofs_mount_busy(mnt, p, how)) { in autofs_tree_busy()
273 if (how & AUTOFS_EXP_FORCED) in autofs_tree_busy()
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/kernel/linux/linux-4.19/Documentation/leds/
D00-INDEX10 - notes on how to use the leds-lm3556 driver.
12 - notes on how to use the leds-lp3944 driver.
14 - notes on how to use the leds-lp5521 driver.
16 - notes on how to use the leds-lp5523 driver.
18 - notes on how to use the leds-lp5562 driver.
22 - notes on how to use the leds-lm3556 driver.
24 - notes on how to use the leds-mlxcpld driver.
30 - notes on how to use the drivers/usb/core/ledtrig-usbport.c trigger.
32 - notes on how to use the uleds driver.
/kernel/linux/linux-4.19/drivers/isdn/hisax/
DKconfig96 See <file:Documentation/isdn/README.HiSax> on how to configure it
106 See <file:Documentation/isdn/README.HiSax> on how to configure it
115 See <file:Documentation/isdn/README.HiSax> on how to configure it.
121 S0BOX. See <file:Documentation/isdn/README.HiSax> on how to
130 See <file:Documentation/isdn/README.HiSax> on how to configure it
139 See <file:Documentation/isdn/README.HiSax> on how to configure it.
145 See <file:Documentation/isdn/README.HiSax> on how to configure it.
153 See <file:Documentation/isdn/README.HiSax> on how to configure it
163 See <file:Documentation/isdn/README.HiSax> on how to configure it
173 See <file:Documentation/isdn/README.HiSax> on how to configure it
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/kernel/linux/linux-5.10/Documentation/ABI/testing/
Dsysfs-kernel-mm-ksm19 full_scans: how many times all mergeable areas have been
22 pages_shared: how many shared pages are being used.
24 pages_sharing: how many more sites are sharing them i.e. how
27 pages_to_scan: how many present pages to scan before ksmd goes
30 pages_unshared: how many pages unique but repeatedly checked
33 pages_volatile: how many pages changing too fast to be placed
41 sleep_millisecs: how many milliseconds ksm should sleep between
Dsysfs-kernel-slab19 The aliases file is read-only and specifies how many caches
48 The alloc_fastpath file shows how many objects have been
59 The alloc_from_partial file shows how many times a cpu slab has
71 The alloc_refill file shows how many times the per-cpu freelist
82 The alloc_slab file is shows how many times a new slab had to
93 The alloc_slowpath file shows how many objects have been
115 The cpu_slabs file is read-only and displays how many cpu slabs
124 The file cpuslab_flush shows how many times a cache's cpu slabs
147 The deactivate_empty file shows how many times an empty cpu slab
157 The deactivate_full file shows how many times a full cpu slab
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/kernel/linux/linux-4.19/Documentation/ABI/testing/
Dsysfs-kernel-mm-ksm19 full_scans: how many times all mergeable areas have been
22 pages_shared: how many shared pages are being used.
24 pages_sharing: how many more sites are sharing them i.e. how
27 pages_to_scan: how many present pages to scan before ksmd goes
30 pages_unshared: how many pages unique but repeatedly checked
33 pages_volatile: how many pages changing too fast to be placed
40 sleep_millisecs: how many milliseconds ksm should sleep between
Dsysfs-kernel-slab19 The aliases file is read-only and specifies how many caches
48 The alloc_fastpath file shows how many objects have been
59 The alloc_from_partial file shows how many times a cpu slab has
71 The alloc_refill file shows how many times the per-cpu freelist
82 The alloc_slab file is shows how many times a new slab had to
93 The alloc_slowpath file shows how many objects have been
115 The cpu_slabs file is read-only and displays how many cpu slabs
124 The file cpuslab_flush shows how many times a cache's cpu slabs
147 The deactivate_empty file shows how many times an empty cpu slab
157 The deactivate_full file shows how many times a full cpu slab
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/kernel/linux/linux-4.19/Documentation/
D00-INDEX24 - How to do DMA with ISA (and LPC) devices.
32 - how to select which CPU(s) handle which interrupt events on SMP.
72 - info on how to modify a bt8xx video card for GPIO usage.
78 - how to access I/O mapped memory from within device drivers.
98 - document describing how CPU load statistics are collected.
102 - documentation on how CPU topology info is exported via sysfs.
112 - how to use firewire like a hardware debugger memory reader.
138 - How to use the EFI boot stub to bypass GRUB or elilo on EFI systems.
156 - how to make use of flexible sized arrays in linux
208 - how to use the irq-flags tracing feature.
[all …]
/kernel/linux/linux-4.19/Documentation/power/
D00-INDEX10 - How drivers interact with system-wide power management
14 - How processes and controlled during suspend
20 - How the PCI Subsystem Does Power Management
28 - How to get suspend to ram working (and debug it when it isn't)
36 - How to use dm-crypt and software suspend (to disk) together
40 - How to trick software suspend (to disk) into working when it isn't
/kernel/linux/linux-4.19/include/linux/sched/
Duser.h17 atomic_t processes; /* How many processes does this user have? */
18 atomic_t sigpending; /* How many pending signals does this user have? */
27 unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */
29 unsigned long locked_shm; /* How many pages of mlocked shm ? */
30 unsigned long unix_inflight; /* How many files in flight in unix sockets */
31 atomic_long_t pipe_bufs; /* how many pages are allocated in pipe buffers */
/kernel/linux/linux-5.10/include/linux/sched/
Duser.h15 atomic_t processes; /* How many processes does this user have? */
16 atomic_t sigpending; /* How many pending signals does this user have? */
25 unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */
27 unsigned long locked_shm; /* How many pages of mlocked shm ? */
28 unsigned long unix_inflight; /* How many files in flight in unix sockets */
29 atomic_long_t pipe_bufs; /* how many pages are allocated in pipe buffers */
/kernel/linux/linux-4.19/arch/nds32/lib/
Dmemmove.S21 srli $p1, $r2, #2 ! $p1 is how many words to copy
29 andi $r2, $r2, #3 ! How many bytes are less than a word
35 addi $p1, $p1, #-1 ! How many words left to copy
44 andi $r2, $r2, #3 ! How many bytes are less than a word
50 addi $p1, $p1, #-1 ! How many words left to copy
60 addi $r2, $r2, #-1 ! How many bytes left to copy
/kernel/linux/linux-5.10/arch/nds32/lib/
Dmemmove.S21 srli $p1, $r2, #2 ! $p1 is how many words to copy
29 andi $r2, $r2, #3 ! How many bytes are less than a word
35 addi $p1, $p1, #-1 ! How many words left to copy
44 andi $r2, $r2, #3 ! How many bytes are less than a word
50 addi $p1, $p1, #-1 ! How many words left to copy
60 addi $r2, $r2, #-1 ! How many bytes left to copy
/kernel/linux/linux-4.19/Documentation/admin-guide/mm/
Dksm.rst82 how many pages to scan before ksmd goes to sleep
88 how many milliseconds ksmd should sleep before next scan
101 sharing of setting 1 (default). You may wish to compare how
153 specifies how frequently KSM checks the metadata of the pages
163 how many shared pages are being used
165 how many more sites are sharing them i.e. how much saved
167 how many pages unique but repeatedly checked for merging
169 how many pages changing too fast to be placed in a tree
171 how many times all mergeable areas have been scanned
/kernel/linux/linux-5.10/Documentation/admin-guide/mm/
Dksm.rst82 how many pages to scan before ksmd goes to sleep
88 how many milliseconds ksmd should sleep before next scan
101 sharing of setting 1 (default). You may wish to compare how
153 specifies how frequently KSM checks the metadata of the pages
163 how many shared pages are being used
165 how many more sites are sharing them i.e. how much saved
167 how many pages unique but repeatedly checked for merging
169 how many pages changing too fast to be placed in a tree
171 how many times all mergeable areas have been scanned
/kernel/linux/linux-5.10/drivers/net/ethernet/intel/
DKconfig47 adapters. For more information on how to identify your adapter, go
66 use the regular e1000 driver For more information on how to
95 adapters. For more information on how to identify your adapter, go
131 information on how to identify your adapter, go to the Adapter &
148 instead. For more information on how to identify your adapter, go
167 adapters. For more information on how to identify your adapter, go
219 Intel(R) ixgbe driver. For more information on how to identify your
246 devices. For more information on how to identify your adapter, go
279 information on how to identify your adapter, go to the Adapter
301 devices. For more information on how to identify your adapter, go
[all …]
/kernel/linux/linux-4.19/Documentation/x86/
D00-INDEX10 - why and how Linux kernel uses exception tables on x86
12 - How to load microcode from an initrd-CPIO archive early to fix CPU issues.
14 - how to use x86 Memory Type Range Registers to increase performance
18 - how to fix/avoid quirks when using emulated PS/2 mouse/keyboard.
/kernel/linux/linux-5.10/arch/ia64/include/uapi/asm/
Dperfmon_default_smpl.h39 unsigned long hdr_count; /* how many valid entries */
43 unsigned long hdr_overflows; /* how many times the buffer overflowed */
44 unsigned long hdr_buf_size; /* how many bytes in the buffer */
54 * index order: PMD4, PMD5, and so on. How many PMDs are present depends
55 * on how the session was programmed.
76 #define PFM_DEFAULT_MAX_PMDS 64 /* how many pmds supported by data structures (sizeof(unsigned lon…
/kernel/linux/linux-4.19/arch/ia64/include/uapi/asm/
Dperfmon_default_smpl.h39 unsigned long hdr_count; /* how many valid entries */
43 unsigned long hdr_overflows; /* how many times the buffer overflowed */
44 unsigned long hdr_buf_size; /* how many bytes in the buffer */
54 * index order: PMD4, PMD5, and so on. How many PMDs are present depends
55 * on how the session was programmed.
76 #define PFM_DEFAULT_MAX_PMDS 64 /* how many pmds supported by data structures (sizeof(unsigned lon…
/kernel/linux/linux-4.19/drivers/net/ethernet/intel/
DKconfig46 adapters. For more information on how to identify your adapter, go
65 use the regular e1000 driver For more information on how to
91 adapters. For more information on how to identify your adapter, go
127 information on how to identify your adapter, go to the Adapter &
144 instead. For more information on how to identify your adapter, go
162 adapters. For more information on how to identify your adapter, go
202 Intel(R) ixgbe driver. For more information on how to identify your
220 devices. For more information on how to identify your adapter, go
245 information on how to identify your adapter, go to the Adapter
260 devices. For more information on how to identify your adapter, go
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