forked from Lainports/freebsd-ports
34765bae74
kernel module. Added mutex code before and after calling vm operations in vmmon. Submitted by: John Baldwin <jhb@FreeBSD.org> Approved by: the Maintainer
63 lines
1.3 KiB
Text
63 lines
1.3 KiB
Text
--- vmmon-only/freebsd/hostif.c.orig Wed Jun 6 22:49:52 2001
|
|
+++ vmmon-only/freebsd/hostif.c Thu Jun 7 13:13:02 2001
|
|
@@ -107,7 +107,13 @@
|
|
|
|
paddr = (vm_offset_t)addr;
|
|
m = PHYS_TO_VM_PAGE(paddr);
|
|
+#if __FreeBSD_version >= 500013
|
|
+ mtx_lock(&vm_mtx);
|
|
+#endif
|
|
vm_page_wire(m);
|
|
+#if __FreeBSD_version >= 500013
|
|
+ mtx_unlock(&vm_mtx);
|
|
+#endif
|
|
return 0;
|
|
}
|
|
|
|
@@ -120,7 +126,13 @@
|
|
|
|
paddr = (vm_offset_t)addr;
|
|
m = PHYS_TO_VM_PAGE(paddr);
|
|
+#if __FreeBSD_version >= 500013
|
|
+ mtx_lock(&vm_mtx);
|
|
+#endif
|
|
vm_page_unwire(m, 1);
|
|
+#if __FreeBSD_version >= 500013
|
|
+ mtx_unlock(&vm_mtx);
|
|
+#endif
|
|
return 0;
|
|
}
|
|
|
|
@@ -1066,10 +1078,16 @@
|
|
return NULL;
|
|
}
|
|
paddr = vtophys(addr);
|
|
+#if __FreeBSD_version >= 500013
|
|
+ mtx_lock(&vm_mtx);
|
|
+#endif
|
|
ka->kaddr = kmem_alloc_pageable(kernel_map, PAGE_SIZE);
|
|
ka->map = PHYS_TO_VM_PAGE(paddr);
|
|
vm_page_wire(ka->map);
|
|
pmap_kenter(ka->kaddr, paddr);
|
|
+#if __FreeBSD_version >= 500013
|
|
+ mtx_unlock(&vm_mtx);
|
|
+#endif
|
|
return ka->kaddr;
|
|
}
|
|
|
|
@@ -1079,9 +1097,15 @@
|
|
if (ka->map==NULL)
|
|
return 0;
|
|
|
|
+#if __FreeBSD_version >= 500013
|
|
+ mtx_lock(&vm_mtx);
|
|
+#endif
|
|
vm_page_unwire(ka->map, 1);
|
|
pmap_kremove(ka->kaddr);
|
|
kmem_free(kernel_map, ka->kaddr, PAGE_SIZE);
|
|
+#if __FreeBSD_version >= 500013
|
|
+ mtx_unlock(&vm_mtx);
|
|
+#endif
|
|
ka->kaddr = 0;
|
|
ka->map = NULL;
|
|
return 0;
|