stub_start
#define STUB_START stub_start
extern unsigned long stub_start;
unsigned long stub_start;
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, (init_data.stub_start) >> 32, 0, 3),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, (init_data.stub_start) & 0xfffff000, 1, 0),
stub_start(real_init);
init_data.stub_start, UM_KERN_PAGE_SIZE,
if (res != init_data.stub_start)
init_data.stub_start + UM_KERN_PAGE_SIZE,
if (res != init_data.stub_start + UM_KERN_PAGE_SIZE)
stack.ss_sp = (void *)init_data.stub_start + UM_KERN_PAGE_SIZE;
unsigned long stub_start;
stub_start = host_task_size - STUB_SIZE;
host_task_size = stub_start;
.stub_start = STUB_START,