From fe56b954eadefb8b93b7d6b9244af38a352c8799 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Mon, 6 Aug 2007 16:35:23 +0100 Subject: [PATCH] [MIPS] SMTC: Move MIPS_CPU_IPI_IRQ definition into header. Signed-off-by: Ralf Baechle --- arch/mips/kernel/smtc.c | 2 -- include/asm-mips/smtc.h | 10 ++++++++++ 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 16aa5d37117c..43826c16101d 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -28,8 +28,6 @@ * This file should be built into the kernel only if CONFIG_MIPS_MT_SMTC is set. */ -#define MIPS_CPU_IPI_IRQ 1 - #define LOCK_MT_PRA() \ local_irq_save(flags); \ mtflags = dmt() diff --git a/include/asm-mips/smtc.h b/include/asm-mips/smtc.h index 44dfa4adecf3..ff3e8936b493 100644 --- a/include/asm-mips/smtc.h +++ b/include/asm-mips/smtc.h @@ -55,4 +55,14 @@ extern void smtc_boot_secondary(int cpu, struct task_struct *t); #define PARKED_INDEX ((unsigned int)0x80000000) +/* + * Define low-level interrupt mask for IPIs, if necessary. + * By default, use SW interrupt 1, which requires no external + * hardware support, but which works only for single-core + * MIPS MT systems. + */ +#ifndef MIPS_CPU_IPI_IRQ +#define MIPS_CPU_IPI_IRQ 1 +#endif + #endif /* _ASM_SMTC_MT_H */ -- 2.20.1