Searched full:sharing (Results 1 – 25 of 713) sorted by relevance
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| /linux-6.12.1/Documentation/kernel-hacking/ |
| D | false-sharing.rst | 4 False Sharing
7 What is False Sharing
9 False sharing is related with cache mechanism of maintaining the data
44 reload the whole cache line over and over due to the 'sharing', even
48 false sharing. One of these is a rw_semaphore 'mmap_lock' inside
52 There are two key factors for a harmful false sharing:
58 The sharing could be from totally unrelated kernel components, or
62 False Sharing Pitfalls
72 for false sharing:
85 False sharing could easily happen unless they are intentionally
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| /linux-6.12.1/drivers/net/ethernet/mscc/ |
| D | ocelot_devlink.c | 23 * PRIO_SHR: sharing watermark per QoS class across all ports
25 * COL_SHR: sharing watermark per color (drop precedence) across all ports
127 /* Sharing Watermarks
248 * reservations and rely only on the sharing watermark for frames with drop
270 /* We want the sharing watermarks to consume all nonreserved resources, for
274 * The switch has 10 sharing watermarks per lookup: 8 per traffic class and 2
276 * The trouble with configuring these sharing watermarks is that:
278 * (a) all 8 per-TC sharing watermarks to the max
279 * (b) all 2 per-color sharing watermarks to the max
281 * (a) all 8 per-TC sharing watermarks to "max / 8"
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| /linux-6.12.1/Documentation/virt/hyperv/ |
| D | overview.rst | 61 Sharing Memory
64 on sharing memory. Such sharing is generally accomplished as
82 * Linux can later revoke sharing it has previously established by
105 the time that Linux originally establishes the sharing and the
107 revokes the sharing, in which case Hyper-V removes the overlay page,
116 guest VMs, so Linux code must individually revoke all sharing before
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| /linux-6.12.1/drivers/opp/ |
| D | cpu.c | 185 /* Mark opp-table as multiple CPUs are sharing it now */ in dev_pm_opp_set_sharing_cpus()
196 * dev_pm_opp_get_sharing_cpus() - Get cpumask of CPUs sharing OPPs with @cpu_dev
198 * @cpumask: cpumask to update with information of sharing CPUs
200 * This updates the @cpumask with CPUs that are sharing OPPs with @cpu_dev.
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| /linux-6.12.1/Documentation/driver-api/ |
| D | wmi.rst | 10 it has some issues with multiple WMI devices sharing the same GUID.
12 :c:type:`struct wmi_device <wmi_device>`, so it supports WMI devices sharing the
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| D | dma-buf.rst | 1 Buffer Sharing and Synchronization (dma-buf)
4 The dma-buf subsystem provides the framework for sharing buffers for
37 buffer sharing API, how to use it for exporting and using shared buffers.
39 Any device driver which wishes to be a part of DMA buffer sharing, can do so as
49 - allows other users to share the buffer by using dma_buf sharing APIs,
58 - is one of (many) sharing users of the buffer.
65 Any exporters or users of the dma-buf buffer sharing framework must have a
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| /linux-6.12.1/Documentation/admin-guide/mm/ |
| D | ksm.rst | 14 by sharing the data common between them. But it can be useful to any
27 be swapped out just like other user pages (but sharing is broken when they
102 sharing of setting 1 (default). You may wish to compare how
136 Maximum sharing allowed for each KSM page. This enforces a
202 how many more sites are sharing them i.e. how much saved
224 sharing, but a high ratio of ``pages_unshared`` to ``pages_sharing``
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| /linux-6.12.1/fs/9p/ |
| D | Kconfig | 3 tristate "Plan 9 Resource Sharing Support (9P2000)"
8 Plan 9 resource sharing via the 9P2000 protocol.
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| /linux-6.12.1/net/9p/ |
| D | Kconfig | 7 tristate "Plan 9 Resource Sharing Support (9P2000)"
11 Plan 9 resource sharing via the 9P2000 protocol.
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| /linux-6.12.1/arch/s390/include/asm/ |
| D | mmu.h | 36 * The mmu context allows COW-sharing of memory pages (KSM, zeropage).
37 * Note that COW-sharing during fork() is currently always allowed.
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| /linux-6.12.1/include/linux/ |
| D | cacheinfo.h | 31 * lines sharing the same index
34 * @physical_line_partition: number of physical cache lines sharing the
37 * @shared_cpu_map: logical cpumask representing all the cpus sharing
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| D | kvm_irqfd.h | 26 * List of resampling struct _irqfd objects sharing this gsi.
32 * Entry in list of kvm->irqfd.resampler_list. Use for sharing
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| /linux-6.12.1/drivers/net/ethernet/mellanox/mlx5/core/en/ |
| D | tc_priv.h | 83 /* flows sharing the same reformat object - currently mpls decap */
87 /* flows sharing same route entry */
98 struct list_head hairpin; /* flows sharing the same hairpin */
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| /linux-6.12.1/tools/testing/selftests/mm/ |
| D | hugepage-mremap.c | 11 * To make sure the test triggers pmd sharing and goes through the 'unshare'
123 /* mmap to a PUD aligned address to hopefully trigger pmd sharing. */ in main()
131 /* mmap again to a dummy address to hopefully trigger pmd sharing. */ in main()
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| /linux-6.12.1/Documentation/devicetree/bindings/sound/ |
| D | cs35l32.txt | 34 - cirrus,sdout-share : SDOUT sharing. Determines whether one or two CS35L32
35 devices are on board sharing SDOUT.
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| /linux-6.12.1/tools/testing/selftests/drivers/net/netdevsim/ |
| D | udp_tunnel_nic.sh | 457 msg="table sharing - share"
461 msg="table sharing - overflow"
463 msg="table sharing - overflow v6"
515 msg="table sharing - share"
519 msg="table sharing - overflow"
521 msg="table sharing - overflow v6"
806 pfx="table sharing"
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| /linux-6.12.1/drivers/acpi/acpica/ |
| D | rsdumpinfo.c | 35 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(irq.shareable), "Sharing",
225 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(extended_irq.shareable), "Sharing",
258 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.shareable), "Sharing",
288 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_function.shareable), "Sharing",
328 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(pin_config.shareable), "Sharing",
374 "Sharing", acpi_gbl_shr_decode},
396 "Sharing", acpi_gbl_shr_decode},
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| /linux-6.12.1/Documentation/netlink/specs/ |
| D | ovs_datapath.yaml | 32 name: tc-recirc-sharing
33 doc: Allow tc offload recirc sharing
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| /linux-6.12.1/Documentation/gpu/ |
| D | drm-mm.rst | 229 GEM also supports buffer sharing with dma-buf file descriptors through
231 implement the exporting and importing correctly. See ?. Since sharing
233 global GEM names it is the preferred buffer sharing mechanism. Sharing
235 Furthermore PRIME also allows cross-device buffer sharing since it is
417 PRIME Buffer Sharing
420 PRIME is the cross device buffer sharing framework in drm, originally
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| /linux-6.12.1/Documentation/mm/ |
| D | ksm.rst | 30 When the sharing passes this threshold, KSM adds a second dimension to
48 (i.e. virtual mappings) that are sharing the page, which is in turn
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| /linux-6.12.1/Documentation/filesystems/ |
| D | virtiofs.rst | 14 VIRTIO "virtio-fs" device for guest<->host file system sharing. It allows a
20 stateless or ephemeral guests, and sharing a directory between guests.
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| /linux-6.12.1/sound/soc/sh/rcar/ |
| D | ssiu.c | 169 * sharing/multi with SSI0 are mainly supported in rsnd_ssiu_init()
195 /* SSI1 is sharing pin with SSI0 */ in rsnd_ssiu_init()
199 /* SSI2 is sharing pin with SSI0 */ in rsnd_ssiu_init()
203 /* SSI4 is sharing pin with SSI3 */ in rsnd_ssiu_init()
207 /* SSI9 is sharing pin with SSI0 */ in rsnd_ssiu_init()
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| /linux-6.12.1/Documentation/ABI/testing/ |
| D | sysfs-platform-hidma-mgmt | 66 sharing the same bus.
87 sharing the same bus.
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| /linux-6.12.1/Documentation/filesystems/smb/ |
| D | ksmbd.rst | 8 for sharing files over network.
46 sharing to be managed optimally by the default kernel and optimizing client
54 allows sharing information parameters that are parsed from smb.conf to ksmbd in
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| /linux-6.12.1/arch/x86/kernel/cpu/resctrl/ |
| D | internal.h | 160 * domains in @r sharing L3 @ci.id
167 * If @d is NULL, @val includes the sum of all domains in @r sharing @ci.id,
195 * @RDT_MODE_SHAREABLE: This resource group allows sharing of its allocations
196 * @RDT_MODE_EXCLUSIVE: No sharing of this resource group's allocations allowed
198 * @RDT_MODE_PSEUDO_LOCKED: No sharing of this resource group's allocations
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