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authordfr <dfr@FreeBSD.org>1998-07-29 18:36:29 +0000
committerdfr <dfr@FreeBSD.org>1998-07-29 18:36:29 +0000
commit7ccaec50823c99dda455743a57fa3d51ce17c230 (patch)
treef7141fe32931ceccd2479501e4d4de85e3845899
parent062b0dc0c31b27beb19089ccab0c79a93553e626 (diff)
downloadFreeBSD-src-7ccaec50823c99dda455743a57fa3d51ce17c230.zip
FreeBSD-src-7ccaec50823c99dda455743a57fa3d51ce17c230.tar.gz
Fix msgbuf so that it actually works properly.
-rw-r--r--sys/alpha/alpha/machdep.c15
-rw-r--r--sys/alpha/alpha/mem.c10
2 files changed, 3 insertions, 22 deletions
diff --git a/sys/alpha/alpha/machdep.c b/sys/alpha/alpha/machdep.c
index 55649b6..dedd487 100644
--- a/sys/alpha/alpha/machdep.c
+++ b/sys/alpha/alpha/machdep.c
@@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: machdep.c,v 1.7 1998/07/15 20:16:26 dfr Exp $
+ * $Id: machdep.c,v 1.8 1998/07/22 08:20:57 dfr Exp $
*/
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -185,7 +185,6 @@ SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_startup, NULL)
static MALLOC_DEFINE(M_MBUF, "mbuf", "mbuf");
struct msgbuf *msgbufp=0;
-int msgbufmapped = 0; /* set when safe to use msgbuf */
int bootverbose = 0, Maxmem = 0;
long dumplo;
@@ -864,17 +863,7 @@ alpha_init(pfn, ptb, bim, bip, biv)
phys_avail[i+1] -= sz;
msgbufp = (struct msgbuf*) ALPHA_PHYS_TO_K0SEG(phys_avail[i+1]);
- cp = (char *)msgbufp;
- msgbufp = (struct msgbuf *) (cp + sz - sizeof(*msgbufp));
- if (msgbufp->msg_magic != MSG_MAGIC || msgbufp->msg_ptr != cp) {
- bzero(cp, sz);
- msgbufp->msg_magic = MSG_MAGIC;
- msgbufp->msg_size = (char *)msgbufp - cp;
- msgbufp->msg_ptr = cp;
- }
- msgbufmapped = 1;
-
- /* initmsgbuf(msgbufaddr, sz); */
+ msgbufinit(msgbufp, MSGBUF_SIZE);
/* Remove the last segment if it now has no pages. */
if (phys_avail[i] == phys_avail[i+1])
diff --git a/sys/alpha/alpha/mem.c b/sys/alpha/alpha/mem.c
index baf0ae5..f08e7d5 100644
--- a/sys/alpha/alpha/mem.c
+++ b/sys/alpha/alpha/mem.c
@@ -38,7 +38,7 @@
*
* from: Utah $Hdr: mem.c 1.13 89/10/08$
* from: @(#)mem.c 7.2 (Berkeley) 5/9/91
- * $Id: mem.c,v 1.50 1998/03/12 09:14:18 bde Exp $
+ * $Id: mem.c,v 1.1 1998/06/10 10:52:54 dfr Exp $
*/
/*
@@ -199,14 +199,6 @@ mmrw(dev, uio, flags)
case 0:
v = uio->uio_offset;
kmemphys:
- if (v >= ALPHA_K0SEG_TO_PHYS((vm_offset_t)msgbufp)) {
- if (msgbufmapped == 0) {
- printf("Message Buf not Mapped\n");
- error = EFAULT;
- break;
- }
- }
-
/* Allow reads only in RAM. */
rw = (uio->uio_rw == UIO_READ) ? VM_PROT_READ : VM_PROT_WRITE;
if ((alpha_pa_access(v) & rw) != rw) {
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