#DPATCHLEVEL=0

2001-10-07  Marcus Brinkmann  <marcus@gnu.org>

	* i386/i386/iopb.c (iopb_create, i386_io_port_add): Disable io
	permissions by default.

2004-11-16  Guillem Jover  <guillem@hadrons.org>

	* i386/i386/ktss.c (ktss_init): Disable io permissions by default.


Index: i386/i386/iopb.c
===================================================================
--- i386/i386/iopb.c.orig	2006-11-14 04:15:49.000000000 +0200
+++ i386/i386/iopb.c	2006-11-14 04:15:57.000000000 +0200
@@ -273,7 +273,7 @@ iopb_create(void)
 	register iopb_tss_t ts;
 
 	ts = (iopb_tss_t) kalloc(sizeof (struct iopb_tss));
-	io_tss_init(ts, TRUE);		/* XXX */
+	io_tss_init(ts, FALSE);
 	return ts;
 }
 
@@ -360,7 +360,7 @@ i386_io_port_add(
 		simple_unlock(&iopb_lock);
 
 		new_io_tss = (iopb_tss_t) kalloc(sizeof(struct iopb_tss));
-		io_tss_init(new_io_tss, TRUE);	/* XXX */
+		io_tss_init(new_io_tss, FALSE);
 
 		goto Retry;
 	    }
Index: i386/i386/ktss.c
===================================================================
--- i386/i386/ktss.c.orig	2006-11-14 03:58:56.000000000 +0200
+++ i386/i386/ktss.c	2006-11-14 04:15:57.000000000 +0200
@@ -44,7 +44,7 @@ ktss_init()
 
 	/* Initialize the master TSS descriptor.  */
 	fill_gdt_descriptor(KERNEL_TSS,
-			    kvtolin(&ktss), sizeof(ktss)+65536/8+1-1,
+			    kvtolin(&ktss), sizeof(ktss)-1,
 			    ACC_PL_K|ACC_TSS, 0);
 
 	/* Initialize the master TSS.  */
@@ -52,9 +52,6 @@ ktss_init()
 	ktss.esp0 = (unsigned)(exception_stack+1024);
 	ktss.io_bit_map_offset = sizeof(ktss);
 
-	/* Set the last byte in the I/O bitmap to all 1's.  */
-	((unsigned char*)&ktss)[sizeof(ktss)+65536/8] = 0xff;
-
 	/* Load the TSS.  */
 	ltr(KERNEL_TSS);
 }