diff options
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index e6ce943099a..11cb264f59c 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -11,6 +11,7 @@ #include <linux/errno.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/tick.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/stddef.h> @@ -52,6 +53,7 @@ void __noreturn cpu_idle(void) { /* endless idle loop with no priority at all */ while (1) { + tick_nohz_stop_sched_tick(); while (!need_resched()) { #ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG extern void smtc_idle_loop_hook(void); @@ -61,6 +63,7 @@ void __noreturn cpu_idle(void) if (cpu_wait) (*cpu_wait)(); } + tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); schedule(); preempt_disable(); @@ -199,13 +202,13 @@ void elf_dump_regs(elf_greg_t *gp, struct pt_regs *regs) #endif } -int dump_task_regs (struct task_struct *tsk, elf_gregset_t *regs) +int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) { elf_dump_regs(*regs, task_pt_regs(tsk)); return 1; } -int dump_task_fpu (struct task_struct *t, elf_fpregset_t *fpr) +int dump_task_fpu(struct task_struct *t, elf_fpregset_t *fpr) { memcpy(fpr, &t->thread.fpu, sizeof(current->thread.fpu)); @@ -231,8 +234,8 @@ long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) regs.cp0_epc = (unsigned long) kernel_thread_helper; regs.cp0_status = read_c0_status(); #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX) - regs.cp0_status &= ~(ST0_KUP | ST0_IEC); - regs.cp0_status |= ST0_IEP; + regs.cp0_status = (regs.cp0_status & ~(ST0_KUP | ST0_IEP | ST0_IEC)) | + ((regs.cp0_status & (ST0_KUC | ST0_IEC)) << 2); #else regs.cp0_status |= ST0_EXL; #endif |