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/linux/tools/memory-model/Documentation/
H A Dlocking.txt10 CPU holding a given lock sees any changes previously seen or made by any
23 Any CPU holding a given lock sees any changes previously seen
26 Note that this statement is a bit stronger than "Any CPU holding a
28 previously holding this same lock". For example, consider the following
58 The converse to the basic rule also holds: Any CPU holding a given
148 In short, if you access a lock-protected variable without holding the
157 seen as ordered by CPUs not holding that lock. Consider this example:
189 Ordering can be extended to CPUs not holding the lock by careful use
259 CPU0() sets it to "1" while holding the lock, and CPU1() emulates the
269 "x" while holding the lock. And herd7 confirms this.
H A Drecipes.txt51 holding the update-side lock, reads from that variable
72 stronger than "Any CPU holding a given lock sees all changes made by any
73 CPU during the time that CPU was holding this same lock". For example,
130 locking will be seen as ordered by CPUs not holding that lock.
163 Ordering can be extended to CPUs not holding the lock by careful use
/linux/tools/memory-model/litmus-tests/
H A DZ6.0+pooncelock+pooncelock+pombonce.litmus7 * processes each while holding a given lock will not necessarily be
8 * seen as ordered by a third process not holding that lock.
H A DMP+porevlocks.litmus8 * In other words, when holding a given lock (or indeed after releasing a
10 * CPUs made while previously holding that lock, it is also guaranteed to
H A DMP+polocks.litmus8 * In other words, when holding a given lock (or indeed after releasing a
10 * CPUs made while previously holding that lock, it is also guaranteed
H A DZ6.0+pooncelock+poonceLock+pombonce.litmus9 * by CPUs not holding that lock.
/linux/fs/jffs2/
H A DREADME.Locking25 nodes to an inode may obsolete old ones, and by holding the alloc_sem
35 if the wbuf is currently holding any data is permitted, though.
87 may remove _obsolete_ nodes from the list while holding only the
88 erase_completion_lock. So you can walk the list only while holding the
90 long as the pointer you're holding is to a _valid_ node, not an
162 when updating such a object is necessary under holding read semaphore.
164 xdatum at first. But it retries this process with holding write-semaphore
/linux/fs/btrfs/
H A Dvolumes.h433 int holding; member
894 ASSERT(fs_devices->holding >= 0); in btrfs_fs_devices_inc_holding()
895 fs_devices->holding++; in btrfs_fs_devices_inc_holding()
901 ASSERT(fs_devices->holding > 0); in btrfs_fs_devices_dec_holding()
902 fs_devices->holding--; in btrfs_fs_devices_dec_holding()
/linux/sound/aoa/fabrics/
H A DKconfig8 Audio driver, the module holding it all together
/linux/Documentation/admin-guide/device-mapper/
H A Dera.rst24 metadata dev fast device holding the persistent metadata
25 origin dev device holding data blocks that may change
H A Dcache.rst186 metadata dev fast device holding the persistent metadata
187 cache dev fast device holding cached data blocks
188 origin dev slow device holding original data blocks
/linux/Documentation/devicetree/bindings/dma/
H A Dmoxa,moxart-dma.txt11 - #dma-cells : Should be 1, a single cell holding a line request number
/linux/Documentation/devicetree/bindings/input/
H A Dinput-reset.txt5 sysrq driver. Upon holding the keys for a specified amount of time (if
/linux/Documentation/locking/
H A Dww-mutex-design.rst39 If the transaction holding the lock is younger, the locking transaction waits.
40 If the transaction holding the lock is older, the locking transaction backs off
43 If the transaction holding the lock is younger, the locking transaction
44 wounds the transaction holding the lock, requesting it to die.
45 If the transaction holding the lock is older, it waits for the other
237 and edges can only be changed when holding the locks of all involved nodes. w/w
/linux/Documentation/userspace-api/media/v4l/
H A Dstreaming-par.rst30 contains a union holding separate parameters for input and output
/linux/Documentation/kernel-hacking/
H A Dlocking.rst111 spinlock, but you may block holding a mutex. If you can't lock a mutex,
304 - Avoid holding spinlock for more than 5 lines of code and across any
357 lock when some other thread is holding the lock. You should acquire the
405 /* Must be holding cache_lock */
418 /* Must be holding cache_lock */
427 /* Must be holding cache_lock */
645 /* Must be holding cache_lock */
691 now sleep holding the object (eg. to copy_to_user() to
760 /* Must be holding cache_lock */
1020 going to be waiting while someone else is holding a lock. Second is the
[all …]
/linux/Documentation/ABI/testing/
H A Dsysfs-driver-hid-ntrig19 number of empty frames. By holding off on deactivation for a few
/linux/Documentation/filesystems/
H A Ddirectory-locking.rst89 dcache trees. Lookup is already holding the parent locked. If alias is
102 all we change is the view in dcache. Moreover, holding a directory locked
103 exclusive prevents such changes involving its children and holding the
245 rename holding the lock on parent of source and trying to lock its
/linux/Documentation/networking/
H A Dnetdevices.rst269 When the driver sets dev->lltx this will be called without holding
366 ``ndos`` are called without holding the instance lock for most drivers.
394 All net shaper callbacks are invoked while holding the netdev instance
402 All queue management callbacks are invoked while holding the netdev instance
/linux/Documentation/security/
H A Dsak.rst51 incorrectly holding /dev/console open. Be sure to complain to your
/linux/Documentation/power/
H A Dswsusp-and-swap-files.rst18 filesystem holding the swap file to be mounted, and if this filesystem is
H A Ds2ram.rst42 holding the power button down, and look at the dmesg output for things
/linux/arch/arm/boot/dts/marvell/
H A Darmada-385-db-ap.dts44 * sockets, one of which holding the
/linux/Documentation/driver-api/
H A Dio-mapping.rst74 If you need to sleep while holding a mapping, you can use the regular
/linux/Documentation/bpf/
H A Dprog_sk_lookup.rst60 in a map holding sockets, such as ``SOCKMAP`` or ``SOCKHASH``, and passes a

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