diff options
Diffstat (limited to 'arch/sparc/kernel/sun4d_smp.c')
| -rw-r--r-- | arch/sparc/kernel/sun4d_smp.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index c9eb82f23d92..9a62a5cf3337 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Sparc SS1000/SC2000 SMP support. * * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) @@ -10,7 +11,7 @@ #include <linux/interrupt.h> #include <linux/profile.h> #include <linux/delay.h> -#include <linux/sched.h> +#include <linux/sched/mm.h> #include <linux/cpu.h> #include <asm/cacheflush.h> @@ -50,7 +51,7 @@ static inline void show_leds(int cpuid) "i" (ASI_M_CTL)); } -void __cpuinit sun4d_cpu_pre_starting(void *arg) +void sun4d_cpu_pre_starting(void *arg) { int cpuid = hard_smp_processor_id(); @@ -62,7 +63,7 @@ void __cpuinit sun4d_cpu_pre_starting(void *arg) cc_set_imsk((cc_get_imsk() & ~0x8000) | 0x4000); } -void __cpuinit sun4d_cpu_pre_online(void *arg) +void sun4d_cpu_pre_online(void *arg) { unsigned long flags; int cpuid; @@ -93,7 +94,7 @@ void __cpuinit sun4d_cpu_pre_online(void *arg) show_leds(cpuid); /* Attach to the address space of init_task. */ - atomic_inc(&init_mm.mm_count); + mmgrab(&init_mm); current->active_mm = &init_mm; local_ops->cache_all(); @@ -118,7 +119,7 @@ void __init smp4d_boot_cpus(void) local_ops->cache_all(); } -int __cpuinit smp4d_boot_one_cpu(int i, struct task_struct *idle) +int smp4d_boot_one_cpu(int i, struct task_struct *idle) { unsigned long *entry = &sun4d_cpu_startup; int timeout; @@ -204,7 +205,7 @@ static void __init smp4d_ipi_init(void) void sun4d_ipi_interrupt(void) { - struct sun4d_ipi_work *work = &__get_cpu_var(sun4d_ipi_work); + struct sun4d_ipi_work *work = this_cpu_ptr(&sun4d_ipi_work); if (work->single) { work->single = 0; @@ -267,7 +268,7 @@ static void sun4d_ipi_resched(int cpu) } static struct smp_funcall { - smpfunc_t func; + void *func; unsigned long arg1; unsigned long arg2; unsigned long arg3; @@ -280,7 +281,7 @@ static struct smp_funcall { static DEFINE_SPINLOCK(cross_call_lock); /* Cross calls must be serialized, at least currently. */ -static void sun4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, +static void sun4d_cross_call(void *func, cpumask_t mask, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4) { @@ -295,7 +296,7 @@ static void sun4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, * If you make changes here, make sure * gcc generates proper code... */ - register smpfunc_t f asm("i0") = func; + register void *f asm("i0") = func; register unsigned long a1 asm("i1") = arg1; register unsigned long a2 asm("i2") = arg2; register unsigned long a3 asm("i3") = arg3; @@ -352,11 +353,13 @@ static void sun4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, /* Running cross calls. */ void smp4d_cross_call_irq(void) { + void (*func)(unsigned long, unsigned long, unsigned long, unsigned long, + unsigned long) = ccall_info.func; int i = hard_smp_processor_id(); ccall_info.processors_in[i] = 1; - ccall_info.func(ccall_info.arg1, ccall_info.arg2, ccall_info.arg3, - ccall_info.arg4, ccall_info.arg5); + func(ccall_info.arg1, ccall_info.arg2, ccall_info.arg3, ccall_info.arg4, + ccall_info.arg5); ccall_info.processors_out[i] = 1; } |