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/linux/rust/kernel/sync/
H A Darc.rs10 //! It is different from the standard library's [`Arc`] in a few ways:
15 //! 5. The object in [`Arc`] is pinned implicitly.
17 //! [`Arc`]: https://doc.rust-lang.org/std/sync/struct.Arc.html
43 /// The reference count is incremented when new instances of [`Arc`] are created, and decremented
48 /// The reference count on an instance of [`Arc`] is always non-zero.
49 /// The object pointed to by [`Arc`] is always pinned.
54 /// use kernel::sync::Arc;
62 /// let obj = Arc::new(Example { a: 10, b: 20 }, GFP_KERNEL)?;
81 /// Using `Arc<T>` as the type of `self`:
84 /// use kernel::sync::Arc;
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H A Daref.rs8 //! [`Arc`].
10 //! The smart pointer [`ARef<T>`] acts similarly to [`Arc<T>`] in that it holds a refcount on the
17 //! [`Arc`]: crate::sync::Arc
18 //! [`Arc<T>`]: crate::sync::Arc
29 /// Rust code, the recommendation is to use [`Arc`](crate::sync::Arc) to create reference-counted
H A Dcompletion.rs19 /// use kernel::sync::{Arc, Completion};
35 /// fn new() -> Result<Arc<Self>> {
36 /// let this = Arc::pin_init(pin_init!(MyTask {
54 /// type Pointer = Arc<MyTask>;
56 /// fn run(this: Arc<MyTask>) {
/linux/Documentation/arch/arc/
H A Darc.rst3 Linux kernel for ARC processors
10 ARC processors and relevant open source projects.
12 - `<https://embarc.org>`_ - Community portal for open source on ARC.
16 - `<https://github.com/foss-for-synopsys-dwc-arc-processors>`_ -
18 ARC processors. Some of the projects are forks of various upstream projects,
21 as open source for use on ARC Processors.
23 - `Official Synopsys ARC Processors website
26 Manual, AKA PRM for ARC HS processors
27 <https://www.synopsys.com/dw/doc.php/ds/cc/programmers-reference-manual-ARC-HS.pdf>`_)
34 Important note on ARC processors configurability
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/linux/rust/kernel/list/
H A Darc.rs5 //! A wrapper around `Arc` for linked lists.
10 use crate::sync::{Arc, ArcBorrow, UniqueArc};
58 /// Attempts to convert an `Arc<Self>` into an `ListArc<Self>`. Returns `true` if the
131 /// A wrapper around [`Arc`] that's guaranteed unique for the given id.
142 /// creation of new `ListArc` references from an [`Arc`] reference. Whatever strategy is used, the
152 /// While this `ListArc` is unique for the given id, there still might exist normal `Arc`
167 arc: Arc<T>, field
181 // what we do for `Arc`.
222 let arc in from() localVariable
363 let arc = unsafe { Arc::from_raw(ptr) }; from_raw() localVariable
372 let arc = Self::transmute_to_arc(self); into_arc() localVariable
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/linux/drivers/android/binder/
H A Dcontext.rs11 sync::{Arc, Mutex},
25 contexts: KVVec<Arc<Context>>,
28 pub(crate) fn get_all_contexts() -> Result<KVVec<Arc<Context>>> { in get_all_contexts()
42 all_procs: KVVec<Arc<Process>>,
54 pub(crate) fn new(name: &CStr) -> Result<Arc<Self>> { in new()
56 let ctx = Arc::pin_init( in new()
76 pub(crate) fn deregister(self: &Arc<Self>) { in deregister()
78 CONTEXTS.lock().contexts.retain(|c| !Arc::ptr_eq(c, self)); in deregister()
81 pub(crate) fn register_process(self: &Arc<Self>, proc: Arc<Process>) -> Result { in register_process()
82 if !Arc::ptr_eq(self, &proc.ctx) { in register_process()
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/linux/drivers/accel/habanalabs/include/gaudi2/arc/
H A Dgaudi2_arc_common_packets.h15 /* Dcore1 MME Engine ARC instance used as scheduler */
17 /* Dcore3 MME Engine ARC instance used as scheduler */
107 * ARC Address: 0x1000_0000
114 * ARC Address: 0x2000_0000
121 * ARC Address: 0x3000_0000
129 * ARC Address: 0x4000_0000
137 * ARC Address: 0x5000_0000
145 * ARC Address: 0x6000_0000
153 * ARC Address: 0x7000_0000
159 * ARC Address: 0x8000_0000
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/linux/arch/arc/
H A DKconfig6 config ARC config
86 menu "ARC Architecture Configuration"
88 menu "ARC Platform/SoC/Board"
90 source "arch/arc/plat-tb10x/Kconfig"
91 source "arch/arc/plat-axs10x/Kconfig"
92 source "arch/arc/plat-hsdk/Kconfig"
97 prompt "ARC Instruction Set"
104 The original ARC ISA of ARC600/700 cores
107 bool "ARC ISA v2"
110 ISA for the Next Generation ARC-HS cores
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H A DMakefile9 CROSS_COMPILE := $(call cc-cross-prefix, arc-linux- arceb-linux- arc-linux-gnu-)
37 LINUXINCLUDE += -include $(srctree)/arch/arc/include/asm/current.h
84 core-y += arch/arc/plat-sim/
85 core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/plat-tb10x/
86 core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/plat-axs10x/
87 core-$(CONFIG_ARC_SOC_HSDK) += arch/arc/plat-hsdk/
89 libs-y += arch/arc/lib/ $(LIBGCC)
91 boot := arch/arc/boot
/linux/Documentation/devicetree/bindings/remoteproc/
H A Damlogic,meson-mx-ao-arc.yaml4 $id: http://devicetree.org/schemas/remoteproc/amlogic,meson-mx-ao-arc.yaml#
7 title: Amlogic Meson AO ARC Remote Processor
10 Amlogic Meson6, Meson8, Meson8b and Meson8m2 SoCs embed an ARC core
12 system suspend. Meson6 and older use a ARC core based on the ARCv1
13 ISA, while Meson8, Meson8b and Meson8m2 use an ARC EM4 (ARCv2 ISA)
23 - amlogic,meson8-ao-arc
24 - amlogic,meson8b-ao-arc
25 - const: amlogic,meson-mx-ao-arc
54 the ARC core. The region should be defined as child nodes of the
78 compatible = "amlogic,meson8-ao-arc", "amlogic,meson-mx-ao-arc";
/linux/Documentation/devicetree/bindings/timer/
H A Dsnps,arc-timer.yaml4 $id: http://devicetree.org/schemas/snps,arc-timer.yaml#
7 title: Synopsys ARC Local Timer
13 Synopsys ARC Local Timer with Interrupt Capabilities
15 - Found on all ARC CPUs (ARC700/ARCHS)
17 - Two identical copies TIMER0 and TIMER1 exist in ARC cores and historically
18 TIMER0 used as clockevent provider (true for all ARC cores)
19 TIMER1 used for clocksource (mandatory for ARC700, optional for ARC HS)
23 const: snps,arc-timer
42 compatible = "snps,arc-timer";
/linux/samples/rust/
H A Drust_print_main.rs22 let a = Arc::new(1, GFP_KERNEL)?; in arc_print()
31 let a: Arc<&str> = b.into(); in arc_print()
38 // `Arc` can be used to delegate dynamic dispatch and the following is an example. in arc_print()
40 // behaviour, contract or protocol on both `i32` and `&str` into a single `Arc` of in arc_print()
41 // type `Arc<dyn Display>`. in arc_print()
44 fn arc_dyn_print(arc: &Arc<dyn Display>) { in arc_print()
45 pr_info!("Arc<dyn Display> says {arc}"); in arc_print()
48 let a_i32_display: Arc<dy in arc_print()
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/linux/Documentation/devicetree/bindings/leds/backlight/
H A Darc,arc2c0608.yaml4 $id: http://devicetree.org/schemas/leds/backlight/arc,arc2c0608.yaml#
25 const: arc,arc2c0608
43 arc,led-config-0:
48 arc,led-config-1:
53 arc,dim-freq:
57 arc,comp-config:
63 arc,filter-config:
75 arc,trim-config:
100 compatible = "arc,arc2c0608";
/linux/Documentation/devicetree/bindings/serial/
H A Dsnps,arc-uart.yaml4 $id: http://devicetree.org/schemas/serial/snps,arc-uart.yaml#
7 title: Synopsys ARC UART
13 Synopsys ARC UART is a non-standard UART used in some of the ARC FPGA boards.
20 const: snps,arc-uart
46 compatible = "snps,arc-uart";
/linux/rust/kernel/
H A Dworkqueue.rs36 //! use kernel::sync::Arc;
51 //! fn new(value: i32) -> Result<Arc<Self>> {
52 //! Arc::pin_init(pin_init!(MyStruct {
60 //! type Pointer = Arc<MyStruct>;
62 //! fn run(this: Arc<MyStruct>) {
69 //! fn print_later(val: Arc<MyStruct>) {
78 //! use kernel::sync::Arc;
97 //! fn new(value_1: i32, value_2: i32) -> Result<Arc<Self>> {
98 //! Arc::pin_init(pin_init!(MyStruct {
108 //! type Pointer = Arc<MyStruct>;
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/linux/rust/kernel/sync/arc/
H A Dstd_vendor.rs10 use crate::sync::{arc::ArcInner, Arc};
13 impl Arc<dyn Any + Send + Sync> { implementation
14 /// Attempt to downcast the `Arc<dyn Any + Send + Sync>` to a concrete type.
15 pub fn downcast<T>(self) -> core::result::Result<Arc<T>, Self> in downcast()
24 Ok(Arc::from_inner(ptr)) in downcast()
/linux/rust/kernel/time/hrtimer/
H A Darc.rs11 use crate::sync::Arc;
14 /// A handle for an `Arc<HasHrTimer<T>>` returned by a call to
20 pub(crate) inner: Arc<T>,
30 let self_ptr = Arc::as_ptr(&self.inner); in cancel()
51 impl<T> HrTimerPointer for Arc<T> implementation
69 unsafe { T::start(Arc::as_ptr(&self), expires) }; in start()
74 impl<T> RawHrTimerCallback for Arc<T> implementation
100 // allocation from other `Arc` clones. in run()
/linux/rust/pin-init/src/
H A Dalloc.rs4 use alloc::{boxed::Box, sync::Arc};
9 use std::sync::Arc;
98 impl<T> InPlaceInit<T> for Arc<T> { implementation
104 let mut this = try_new_uninit!(Arc); in try_pin_init()
105 let Some(slot) = Arc::get_mut(&mut this) else { in try_pin_init()
106 // SAFETY: the Arc has just been created and has no external references in try_pin_init()
113 // SAFETY: All fields have been initialized and this is the only `Arc` to that data. in try_pin_init()
122 let mut this = try_new_uninit!(Arc); in try_init()
123 let Some(slot) = Arc::get_mut(&mut this) else { in try_init()
124 // SAFETY: the Arc has just been created and has no external references in try_init()
/linux/arch/arc/plat-axs10x/
H A DKconfig7 bool "Synopsys ARC AXS10x Software Development Platforms"
17 Support for the ARC AXS10x Software Development Platforms.
27 bool "AXS101 with AXC001 CPU Card (ARC 770D/EM6/AS221)"
29 This adds support for the 770D/EM6/AS221 CPU Card. Only the ARC
37 bool "AXS103 with AXC003 CPU Card (ARC HS38x)"
/linux/drivers/remoteproc/
H A Dmeson_mx_ao_arc.c74 * The SRAM content as seen by the ARC core always starts at 0x0 in meson_mx_ao_arc_rproc_start()
128 /* The memory from the ARC core's perspective always starts at 0x0. */ in meson_mx_ao_arc_rproc_da_to_va()
154 rproc = devm_rproc_alloc(dev, "meson-mx-ao-arc", in meson_mx_ao_arc_rproc_probe()
206 dev_err(dev, "Failed to get ARC reset\n"); in meson_mx_ao_arc_rproc_probe()
213 dev_err(dev, "Failed to get the ARC PCLK\n"); in meson_mx_ao_arc_rproc_probe()
241 { .compatible = "amlogic,meson8-ao-arc" },
242 { .compatible = "amlogic,meson8b-ao-arc" },
251 .name = "meson-mx-ao-arc-rproc",
257 MODULE_DESCRIPTION("Amlogic Meson6/8/8b/8m2 AO ARC remote processor driver");
/linux/drivers/net/ethernet/arc/
H A DKconfig3 # ARC EMAC network device configuration
7 bool "ARC devices"
14 the questions about ARC cards. If you say Y, you will be asked for
21 depends on ARC || ARCH_ROCKCHIP || COMPILE_TEST
/linux/arch/sparc/include/asm/
H A Dmdesc.h43 /* MD arc iteration, the standard sequence is:
45 * unsigned long arc;
46 * mdesc_for_each_arc(arc, handle, node, MDESC_ARC_TYPE_{FWD,BACK}) {
47 * unsigned long target = mdesc_arc_target(handle, arc);
62 u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc);
/linux/drivers/accel/habanalabs/gaudi2/
H A Dgaudi2P.h53 /* Map all arcs dccm + arc schedulers acp blocks */
62 /* Within the user mapped array, decoder entries start post all the ARC related
494 * @active_hw_arc: This field contains a bit per ARC of an H/W engine with
495 * exception of TPC and NIC engines. Once an engine arc is
497 * identify each initialized ARC and use this information in
499 * of its corresponding ARC of the H/W engine.
512 * @active_tpc_arc: This field contains a bit per ARC of the TPC engines.
513 * Once an engine arc is initialized, its respective bit is
515 * corresponding ARC of the TPC engine.
517 * @active_nic_arc: This field contains a bit per ARC of the NIC engines.
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/linux/drivers/clocksource/
H A Darc_timer.c26 #include <soc/arc/timers.h>
27 #include <soc/arc/mcip.h>
66 * an instance PER ARC CORE (not per cluster), and there are dedicated in arc_read_gfrc()
75 * defined in arch/arc/kernel/mcip.c in arc_read_gfrc()
207 .name = "ARC Timer1",
270 .name = "ARC Timer0",
349 "clockevents/arc/timer:starting", in arc_clockevent_setup()
373 TIMER_OF_DECLARE(arc_clkevt, "snps,arc-timer", arc_of_timer_init);
/linux/drivers/video/fbdev/
H A Darcfb.c2 * linux/drivers/video/arcfb.c -- FB driver for Arc monochrome LCD board
12 * This driver was written to be used with the Arc LCD board. Arc uses a
228 if (!(ctl2status & KS_INTACK)) /* not arc generated interrupt */ in arcfb_interrupt()
377 /* illegal to wait on arc if no irq will occur */ in arcfb_ioctl()
381 /* wait until the Arc has generated an interrupt in arcfb_ioctl()
461 /* We need a flat backing store for the Arc's in arcfb_probe()
504 fb_info(info, "Arc frame buffer device, using %dK of video memory\n", in arcfb_probe()
596 MODULE_PARM_DESC(arcfb_enable, "Enable communication with Arc board");
606 MODULE_PARM_DESC(tuhold, "Time to hold between strobing data to Arc board");
608 MODULE_PARM_DESC(irq, "IRQ for the Arc board");
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