diff options
Diffstat (limited to 'arch/arc/kernel/process.c')
| -rw-r--r-- | arch/arc/kernel/process.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c index fdd89715d2d3..98c00a2d4dd9 100644 --- a/arch/arc/kernel/process.c +++ b/arch/arc/kernel/process.c | |||
| @@ -192,29 +192,6 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) | |||
| 192 | return 0; | 192 | return 0; |
| 193 | } | 193 | } |
| 194 | 194 | ||
| 195 | /* | ||
| 196 | * API: expected by schedular Code: If thread is sleeping where is that. | ||
| 197 | * What is this good for? it will be always the scheduler or ret_from_fork. | ||
| 198 | * So we hard code that anyways. | ||
| 199 | */ | ||
| 200 | unsigned long thread_saved_pc(struct task_struct *t) | ||
| 201 | { | ||
| 202 | struct pt_regs *regs = task_pt_regs(t); | ||
| 203 | unsigned long blink = 0; | ||
| 204 | |||
| 205 | /* | ||
| 206 | * If the thread being queried for in not itself calling this, then it | ||
| 207 | * implies it is not executing, which in turn implies it is sleeping, | ||
| 208 | * which in turn implies it got switched OUT by the schedular. | ||
| 209 | * In that case, it's kernel mode blink can reliably retrieved as per | ||
| 210 | * the picture above (right above pt_regs). | ||
| 211 | */ | ||
| 212 | if (t != current && t->state != TASK_RUNNING) | ||
| 213 | blink = *((unsigned int *)regs - 1); | ||
| 214 | |||
| 215 | return blink; | ||
| 216 | } | ||
| 217 | |||
| 218 | int elf_check_arch(const struct elf32_hdr *x) | 195 | int elf_check_arch(const struct elf32_hdr *x) |
| 219 | { | 196 | { |
| 220 | unsigned int eflags; | 197 | unsigned int eflags; |
