diff options
Diffstat (limited to 'core/cpu.c')
| -rw-r--r-- | core/cpu.c | 23 |
1 files changed, 12 insertions, 11 deletions
@@ -62,7 +62,17 @@ void __attrconst *cpu_stack_bottom(unsigned int pir) return (void *)&cpu_stacks[pir] + sizeof(struct cpu_thread); } -void cpu_relax(void) +void __attrconst *cpu_stack_top(unsigned int pir) +{ + /* This is the top of the MC stack which is above the normal + * stack, which means a SP between cpu_stack_bottom() and + * cpu_stack_top() can either be a normal stack pointer or + * a Machine Check stack pointer + */ + return (void *)&cpu_stacks[pir] + STACK_SIZE - STACK_TOP_GAP; +} + +void __nomcount cpu_relax(void) { /* Relax a bit to give sibling threads some breathing space */ smt_low(); @@ -74,16 +84,6 @@ void cpu_relax(void) smt_medium(); } -void __attrconst *cpu_stack_top(unsigned int pir) -{ - /* This is the top of the MC stack which is above the normal - * stack, which means a SP between cpu_stack_bottom() and - * cpu_stack_top() can either be a normal stack pointer or - * a Machine Check stack pointer - */ - return (void *)&cpu_stacks[pir] + STACK_SIZE - STACK_TOP_GAP; -} - struct cpu_job *__cpu_queue_job(struct cpu_thread *cpu, void (*func)(void *data), void *data, bool no_return) @@ -337,6 +337,7 @@ static void init_cpu_thread(struct cpu_thread *t, list_head_init(&t->job_queue); t->state = state; t->pir = pir; + t->stack_bot_mark = LONG_MAX; assert(pir == container_of(t, struct cpu_stack, cpu) - cpu_stacks); } |