From b775750902897fa512fd535199284b2fb0fd0453 Mon Sep 17 00:00:00 2001
From: Visa Hankala <visa@cvs.openbsd.org>
Date: Wed, 18 Dec 2019 13:33:30 +0000
Subject: Set vm_map's pmap in uvm_map_setup().

OK guenther@, kettenis@, mpi@
---
 sys/uvm/uvm_km.c  |  8 +++-----
 sys/uvm/uvm_map.c | 12 ++++++------
 sys/uvm/uvm_map.h |  4 ++--
 3 files changed, 11 insertions(+), 13 deletions(-)

(limited to 'sys/uvm')

diff --git a/sys/uvm/uvm_km.c b/sys/uvm/uvm_km.c
index f9ec890670e..dc38613d7a0 100644
--- a/sys/uvm/uvm_km.c
+++ b/sys/uvm/uvm_km.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uvm_km.c,v 1.133 2019/12/08 12:37:45 mpi Exp $	*/
+/*	$OpenBSD: uvm_km.c,v 1.134 2019/12/18 13:33:29 visa Exp $	*/
 /*	$NetBSD: uvm_km.c,v 1.42 2001/01/14 02:10:01 thorpej Exp $	*/
 
 /* 
@@ -168,14 +168,13 @@ uvm_km_init(vaddr_t base, vaddr_t start, vaddr_t end)
 	 * before installing.
 	 */
 
-	uvm_map_setup(&kernel_map_store, base, end,
+	uvm_map_setup(&kernel_map_store, pmap_kernel(), base, end,
 #ifdef KVA_GUARDPAGES
 	    VM_MAP_PAGEABLE | VM_MAP_GUARDPAGES
 #else
 	    VM_MAP_PAGEABLE
 #endif
 	    );
-	kernel_map_store.pmap = pmap_kernel();
 	if (base != start && uvm_map(&kernel_map_store, &base, start - base,
 	    NULL, UVM_UNKNOWN_OFFSET, 0,
 	    UVM_MAPFLAG(PROT_READ | PROT_WRITE, PROT_READ | PROT_WRITE,
@@ -220,8 +219,7 @@ uvm_km_suballoc(struct vm_map *map, vaddr_t *min, vaddr_t *max, vsize_t size,
 		if (submap == NULL)
 			panic("uvm_km_suballoc: unable to create submap");
 	} else {
-		uvm_map_setup(submap, *min, *max, flags);
-		submap->pmap = vm_map_pmap(map);
+		uvm_map_setup(submap, vm_map_pmap(map), *min, *max, flags);
 	}
 
 	/* now let uvm_map_submap plug in it...  */
diff --git a/sys/uvm/uvm_map.c b/sys/uvm/uvm_map.c
index 3e280f05a3b..b53b6162541 100644
--- a/sys/uvm/uvm_map.c
+++ b/sys/uvm/uvm_map.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uvm_map.c,v 1.260 2019/12/18 08:53:29 kettenis Exp $	*/
+/*	$OpenBSD: uvm_map.c,v 1.261 2019/12/18 13:33:29 visa Exp $	*/
 /*	$NetBSD: uvm_map.c,v 1.86 2000/11/27 08:40:03 chs Exp $	*/
 
 /*
@@ -2619,7 +2619,8 @@ uvm_map_pageable_all(struct vm_map *map, int flags, vsize_t limit)
  * Allocates sufficient entries to describe the free memory in the map.
  */
 void
-uvm_map_setup(struct vm_map *map, vaddr_t min, vaddr_t max, int flags)
+uvm_map_setup(struct vm_map *map, pmap_t pmap, vaddr_t min, vaddr_t max,
+    int flags)
 {
 	int i;
 
@@ -2646,6 +2647,7 @@ uvm_map_setup(struct vm_map *map, vaddr_t min, vaddr_t max, int flags)
 		map->uaddr_any[i] = NULL;
 	map->uaddr_brk_stack = NULL;
 
+	map->pmap = pmap;
 	map->size = 0;
 	map->ref_count = 0;
 	map->min_offset = min;
@@ -3460,9 +3462,8 @@ uvmspace_init(struct vmspace *vm, struct pmap *pmap, vaddr_t min, vaddr_t max,
 		pmap_reference(pmap);
 	else
 		pmap = pmap_create();
-	vm->vm_map.pmap = pmap;
 
-	uvm_map_setup(&vm->vm_map, min, max,
+	uvm_map_setup(&vm->vm_map, pmap, min, max,
 	    (pageable ? VM_MAP_PAGEABLE : 0) | VM_MAP_ISVMSPACE);
 
 	vm->vm_refcnt = 1;
@@ -4230,8 +4231,7 @@ uvm_map_create(pmap_t pmap, vaddr_t min, vaddr_t max, int flags)
 	vm_map_t map;
 
 	map = malloc(sizeof *map, M_VMMAP, M_WAITOK);
-	map->pmap = pmap;
-	uvm_map_setup(map, min, max, flags);
+	uvm_map_setup(map, pmap, min, max, flags);
 	return (map);
 }
 
diff --git a/sys/uvm/uvm_map.h b/sys/uvm/uvm_map.h
index 4dc26a0eb3b..2703c66d538 100644
--- a/sys/uvm/uvm_map.h
+++ b/sys/uvm/uvm_map.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uvm_map.h,v 1.66 2019/12/12 11:12:37 mpi Exp $	*/
+/*	$OpenBSD: uvm_map.h,v 1.67 2019/12/18 13:33:29 visa Exp $	*/
 /*	$NetBSD: uvm_map.h,v 1.24 2001/02/18 21:19:08 chs Exp $	*/
 
 /*
@@ -359,7 +359,7 @@ int		uvm_map_replace(struct vm_map *, vaddr_t, vaddr_t,
 		    vm_map_entry_t, int);
 int		uvm_map_reserve(struct vm_map *, vsize_t, vaddr_t, vsize_t,
 		    vaddr_t *);
-void		uvm_map_setup(struct vm_map *, vaddr_t, vaddr_t, int);
+void		uvm_map_setup(struct vm_map *, pmap_t, vaddr_t, vaddr_t, int);
 int		uvm_map_submap(struct vm_map *, vaddr_t, vaddr_t,
 		    struct vm_map *);
 void		uvm_unmap(struct vm_map *, vaddr_t, vaddr_t);
-- 
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