diff options
| -rw-r--r-- | arch/riscv/kernel/usercfi.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/riscv/kernel/usercfi.c b/arch/riscv/kernel/usercfi.c index 1adba746f164..7e57f54dc5b2 100644 --- a/arch/riscv/kernel/usercfi.c +++ b/arch/riscv/kernel/usercfi.c @@ -230,17 +230,7 @@ int restore_user_shstk(struct task_struct *tsk, unsigned long shstk_ptr) static unsigned long allocate_shadow_stack(unsigned long addr, unsigned long size, unsigned long token_offset, bool set_tok) { - int flags = MAP_ANONYMOUS | MAP_PRIVATE; - struct mm_struct *mm = current->mm; - unsigned long populate; - - if (addr) - flags |= MAP_FIXED_NOREPLACE; - - mmap_write_lock(mm); - addr = do_mmap(NULL, addr, size, PROT_READ, flags, - VM_SHADOW_STACK | VM_WRITE, 0, &populate, NULL); - mmap_write_unlock(mm); + addr = vm_mmap_shadow_stack(addr, size, 0); if (!set_tok || IS_ERR_VALUE(addr)) goto out; |