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prepare_process(): pass cpu_set in program_load_desc

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This commit is contained in:
Balazs Gerofi
2016-12-09 16:32:20 +09:00
parent 7d13bfb14e
commit fdcf766337
5 changed files with 33 additions and 5 deletions
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21
kernel/process.c
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@@ -233,13 +233,15 @@ init_process_vm(struct process *owner, struct address_space *asp, struct process
return 0;
}
struct thread *
create_thread(unsigned long user_pc)
struct thread *create_thread(unsigned long user_pc,
unsigned long *__cpu_set, size_t cpu_set_size)
{
struct thread *thread;
struct process *proc;
struct process_vm *vm = NULL;
struct address_space *asp = NULL;
int cpu;
int cpu_set_empty = 1;
thread = ihk_mc_alloc_pages(KERNEL_STACK_NR_PAGES, IHK_MC_AP_NOWAIT);
if (!thread)
@@ -255,7 +257,20 @@ create_thread(unsigned long user_pc)
memset(vm, 0, sizeof(struct process_vm));
init_process(proc, cpu_local_var(resource_set)->pid1);
if (1) {
/* Use requested CPU cores */
for_each_set_bit(cpu, __cpu_set, cpu_set_size * BITS_PER_BYTE) {
if (cpu >= num_processors) {
kprintf("%s: invalid CPU requested in initial cpu_set\n",
__FUNCTION__);
goto err;
}
CPU_SET(cpu, &thread->cpu_set);
cpu_set_empty = 0;
}
/* Default allows all cores */
if (cpu_set_empty) {
struct ihk_mc_cpu_info *infop;
int i;