diff options
| -rw-r--r-- | arch/blackfin/include/asm/hardirq.h | 42 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/irq.h | 5 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/processor.h | 35 | ||||
| -rw-r--r-- | arch/blackfin/kernel/process.c | 23 |
4 files changed, 30 insertions, 75 deletions
diff --git a/arch/blackfin/include/asm/hardirq.h b/arch/blackfin/include/asm/hardirq.h index 717181a1749..cbd52f86bb9 100644 --- a/arch/blackfin/include/asm/hardirq.h +++ b/arch/blackfin/include/asm/hardirq.h @@ -1,47 +1,11 @@ #ifndef __BFIN_HARDIRQ_H #define __BFIN_HARDIRQ_H -#include <linux/cache.h> -#include <linux/threads.h> -#include <asm/irq.h> - -typedef struct { - unsigned int __softirq_pending; - unsigned int __syscall_count; - struct task_struct *__ksoftirqd_task; -} ____cacheline_aligned irq_cpustat_t; - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ - -/* - * We put the hardirq and softirq counter into the preemption - * counter. The bitmask has the following meaning: - * - * - bits 0-7 are the preemption count (max preemption depth: 256) - * - bits 8-15 are the softirq count (max # of softirqs: 256) - * - bits 16-23 are the hardirq count (max # of hardirqs: 256) - * - * - ( bit 26 is the PREEMPT_ACTIVE flag. ) - * - * PREEMPT_MASK: 0x000000ff - * HARDIRQ_MASK: 0x0000ff00 - * SOFTIRQ_MASK: 0x00ff0000 - */ - -#if NR_IRQS > 256 -#define HARDIRQ_BITS 9 -#else -#define HARDIRQ_BITS 8 -#endif - -#ifdef NR_IRQS -# if (1 << HARDIRQ_BITS) < NR_IRQS -# error HARDIRQ_BITS is too low! -# endif -#endif - #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 extern void ack_bad_irq(unsigned int irq); +#define ack_bad_irq ack_bad_irq + +#include <asm-generic/hardirq.h> #endif diff --git a/arch/blackfin/include/asm/irq.h b/arch/blackfin/include/asm/irq.h index 400bdd52ce8..9a7f63a83c4 100644 --- a/arch/blackfin/include/asm/irq.h +++ b/arch/blackfin/include/asm/irq.h @@ -45,9 +45,6 @@ : "d" (bfin_irq_flags) \ ) -static inline int irq_canonicalize(int irq) -{ - return irq; -} +#include <asm-generic/irq.h> #endif /* _BFIN_IRQ_H_ */ diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index 3040415523b..d0be99be830 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -7,9 +7,8 @@ */ #define current_text_addr() ({ __label__ _l; _l: &&_l;}) +#include <asm/ptrace.h> #include <asm/blackfin.h> -#include <asm/segment.h> -#include <linux/compiler.h> static inline unsigned long rdusp(void) { @@ -59,36 +58,8 @@ struct thread_struct { PS_S, 0, 0 \ } -/* - * Do necessary setup to start up a newly executed thread. - * - * pass the data segment into user programs if it exists, - * it can't hurt anything as far as I can tell - */ -#ifndef CONFIG_SMP -#define start_thread(_regs, _pc, _usp) \ -do { \ - set_fs(USER_DS); \ - (_regs)->pc = (_pc); \ - if (current->mm) \ - (_regs)->p5 = current->mm->start_data; \ - task_thread_info(current)->l1_task_info.stack_start \ - = (void *)current->mm->context.stack_start; \ - task_thread_info(current)->l1_task_info.lowest_sp = (void *)(_usp); \ - memcpy(L1_SCRATCH_TASK_INFO, &task_thread_info(current)->l1_task_info, \ - sizeof(*L1_SCRATCH_TASK_INFO)); \ - wrusp(_usp); \ -} while(0) -#else -#define start_thread(_regs, _pc, _usp) \ -do { \ - set_fs(USER_DS); \ - (_regs)->pc = (_pc); \ - if (current->mm) \ - (_regs)->p5 = current->mm->start_data; \ - wrusp(_usp); \ -} while (0) -#endif +extern void start_thread(struct pt_regs *regs, unsigned long new_ip, + unsigned long new_sp); /* Forward declaration, a strange C thing */ struct task_struct; diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index 30d0843ed70..3e1d86e456f 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -160,6 +160,29 @@ pid_t kernel_thread(int (*fn) (void *), void *arg, unsigned long flags) } EXPORT_SYMBOL(kernel_thread); +/* + * Do necessary setup to start up a newly executed thread. + * + * pass the data segment into user programs if it exists, + * it can't hurt anything as far as I can tell + */ +void start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp) +{ + set_fs(USER_DS); + regs->pc = new_ip; + if (current->mm) + regs->p5 = current->mm->start_data; +#ifdef CONFIG_SMP + task_thread_info(current)->l1_task_info.stack_start = + (void *)current->mm->context.stack_start; + task_thread_info(current)->l1_task_info.lowest_sp = (void *)new_sp; + memcpy(L1_SCRATCH_TASK_INFO, &task_thread_info(current)->l1_task_info, + sizeof(*L1_SCRATCH_TASK_INFO)); +#endif + wrusp(new_sp); +} +EXPORT_SYMBOL_GPL(start_thread); + void flush_thread(void) { } |