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TOMOYO Linux Cross Reference
Linux/arch/hexagon/include/asm/smp.h

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  1 /*
  2  * SMP definitions for the Hexagon architecture
  3  *
  4  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
  5  *
  6  * This program is free software; you can redistribute it and/or modify
  7  * it under the terms of the GNU General Public License version 2 and
  8  * only version 2 as published by the Free Software Foundation.
  9  *
 10  * This program is distributed in the hope that it will be useful,
 11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13  * GNU General Public License for more details.
 14  *
 15  * You should have received a copy of the GNU General Public License
 16  * along with this program; if not, write to the Free Software
 17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 18  * 02110-1301, USA.
 19  */
 20 
 21 #ifndef __ASM_SMP_H
 22 #define __ASM_SMP_H
 23 
 24 #include <linux/cpumask.h>
 25 
 26 #define raw_smp_processor_id() (current_thread_info()->cpu)
 27 
 28 enum ipi_message_type {
 29         IPI_NOP = 0,
 30         IPI_RESCHEDULE = 1,
 31         IPI_CALL_FUNC,
 32         IPI_CALL_FUNC_SINGLE,
 33         IPI_CPU_STOP,
 34         IPI_TIMER,
 35 };
 36 
 37 extern void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg);
 38 extern void smp_start_cpus(void);
 39 extern void arch_send_call_function_single_ipi(int cpu);
 40 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 41 
 42 extern void smp_vm_unmask_irq(void *info);
 43 
 44 #endif
 45 

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