remove the guts of pinsyscall(2), it just returns 0 now.

It has been made redundant by the introduction of pinsyscalls(2) which
handles all system calls, rather than just 1.

diff --git a/sys/uvm/uvm_extern.h b/sys/uvm/uvm_extern.h
index e770153..7fd7323 100644 (file)
--- a/sys/uvm/uvm_extern.h
+++ b/sys/uvm/uvm_extern.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uvm_extern.h,v 1.172 2024/01/17 22:22:25 kurt Exp $   */
+/*     $OpenBSD: uvm_extern.h,v 1.173 2024/01/19 21:20:35 deraadt Exp $        */
 /*     $NetBSD: uvm_extern.h,v 1.57 2001/03/09 01:02:12 chs Exp $      */
 
 /*
@@ -214,8 +214,6 @@ struct vmspace {
        caddr_t vm_daddr;       /* [I] user virtual address of data */
        caddr_t vm_maxsaddr;    /* [I] user VA at max stack growth */
        caddr_t vm_minsaddr;    /* [I] user VA at top of stack */
-       vaddr_t vm_execve;      /* [v] execve systemcall stub region */
-       vaddr_t vm_execve_end;  /* [v] execve systemcall stub region */
 };
 
 /*

diff --git a/sys/uvm/uvm_mmap.c b/sys/uvm/uvm_mmap.c
index bccfcc1..cc76bfa 100644 (file)
--- a/sys/uvm/uvm_mmap.c
+++ b/sys/uvm/uvm_mmap.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uvm_mmap.c,v 1.184 2024/01/16 19:05:01 deraadt Exp $  */
+/*     $OpenBSD: uvm_mmap.c,v 1.185 2024/01/19 21:20:35 deraadt Exp $  */
 /*     $NetBSD: uvm_mmap.c,v 1.49 2001/02/18 21:19:08 chs Exp $        */
 
 /*
@@ -618,29 +618,6 @@ sys_msyscall(struct proc *p, void *v, register_t *retval)
 int
 sys_pinsyscall(struct proc *p, void *v, register_t *retval)
 {
-       struct sys_pinsyscall_args /* {
-               syscallarg(int) syscall;
-               syscallarg(void *) addr;
-               syscallarg(size_t) len;
-       } */ *uap = v;
-       struct vmspace *vm = p->p_vmspace;
-       vm_map_t map = &p->p_vmspace->vm_map;
-       vaddr_t start, end;
-
-       if (SCARG(uap, syscall) != SYS_execve)
-               return (EINVAL);
-       start = (vaddr_t)SCARG(uap, addr);
-       end = start + (vsize_t)SCARG(uap, len);
-       if (start >= end || start < map->min_offset || end > map->max_offset)
-               return (EFAULT);
-       vm_map_lock(map);
-       if (vm->vm_execve) {
-               vm_map_unlock(map);
-               return (EPERM);
-       }
-       vm->vm_execve = start;
-       vm->vm_execve_end = end;
-       vm_map_unlock(map);
        return (0);
 }