Hexagon: Add SMP support
PATCH v5 21/36 Hexagon: Add SMP support
Signed-off-by Richard Kuo <[email protected]>
Signed-off-by Linas Vepstas <[email protected]>
Acked-by Arnd Bergmann <[email protected]>
Reviewed-by Thomas Gleixner <[email protected]>
--- arch/hexagon/include/asm/smp.h | 44 +++++++ arch/hexagon/kernel/smp.c | 276 ++++++++++++++++++++++++++++++++++++++++ arch/hexagon/kernel/topology.c | 52 ++++++++ 3 files changed, 372 insertions(+), 0 deletions(-) create mode 100644 arch/hexagon/include/asm/smp.h create mode 100644 arch/hexagon/kernel/smp.c create mode 100644 arch/hexagon/kernel/topology.c
arch/hexagon/include/asm/smp.h new file +44 -0
@@ -0,0 +1,44 @@ +/* +* SMP definitions for the Hexagon architecture +* +* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License version 2 and +* only version 2 as published by the Free Software Foundation. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +* 02110-1301, USA. +*/ + +#ifndef __ASM_SMP_H +#define __ASM_SMP_H + +#include <linux/cpumask.h> + +#define raw_smp_processor_id () (current_thread_info()->cpu) + +enum ipi_message_type { +IPI_NOP =0 , +IPI_RESCHEDULE =1 , +IPI_CALL_FUNC , +IPI_CALL_FUNC_SINGLE , +IPI_CPU_STOP , +IPI_TIMER , +}; + +extern void send_ipi (const struct cpumask *cpumask,enum ipi_message_type msg); +extern void smp_start_cpus (void ); +extern void arch_send_call_function_single_ipi (int cpu); +extern void arch_send_call_function_ipi_mask (const struct cpumask *mask); + +extern void smp_vm_unmask_irq (void *info); + +#endif
arch/hexagon/kernel/smp.c new file +276 -0
276 lines not on this page · raw message
arch/hexagon/kernel/topology.c new file +52 -0
52 lines not on this page · raw message
Signature · 7 lines
1.7.1 -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.