Lines Matching +full:inter +full:- +full:processor

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
6  *   -- Added support for Inter Processor Interrupts
9  *    -- Initial Write (Borrowed heavily from ARM)
29 #include <asm/processor.h>
49 		return -EINVAL;  in arc_get_cpu_map()
52 		return -EINVAL;  in arc_get_cpu_map()
59  * "possible-cpus" property in DeviceTree pretend all [0..NR_CPUS-1] exist.
65 	if (arc_get_cpu_map("possible-cpus", &cpumask)) {  in arc_init_cpu_possible()
66 		pr_warn("Failed to get possible-cpus from dtb, pretending all %u cpus exist\n",  in arc_init_cpu_possible()
81  * - Initialise the CPU possible map early - this describes the CPUs
83  * - Call early smp init hook. This can initialize a specific multi-core
112  * Default smp boot helper for Run-on-reset case where all cores start off
113  * together. Non-masters need to wait for Master to start running.
114  * This is implemented using a flag in memory, which Non-masters spin-wait on.
115  * Master sets it to cpu-id of core to "ungate" it.
140 	/* for halt-on-reset, we've waited already */  in arc_platform_smp_wait_to_boot()
170 	current->active_mm = mm;  in start_kernel_secondary()
173 	/* Some SMP H/w setup - for each cpu */  in start_kernel_secondary()
177 	if (machine_desc->init_per_cpu)  in start_kernel_secondary()
178 		machine_desc->init_per_cpu(cpu);  in start_kernel_secondary()
190  * Called from kernel_init( ) -> smp_init( ) - for each CPU
192  * At this point, Secondary Processor  is "HALT"ed:
193  *  -It booted, but was halted in head.S
194  *  -It was configured to halt-on-reset
223 		return -1;  in __cpu_up()
232 /*              Inter Processor Interrupt Handling                           */
243  * In arches with IRQ for each msg type (above), receiver can use IRQ-id  to
245  * IRQ), the msg-type needs to be conveyed via per-cpu data
275 	 * so @new msg can be a free-loader  in ipi_send_msg_one()
315  * ipi_cpu_stop - handle IPI from smp_send_stop()
347  * arch-common ISR to handle for inter-processor interrupts
381  * API called by platform code to hookup arch-common ISR to their IPI IRQ