From: David van Moolenbroek <david@minix3.org>
Date: Wed, 8 Jul 2009 20:08:46 +0000 (+0000)
Subject: PM cleanup: remove obsolete HAS_DMA flag
X-Git-Tag: v3.1.5~226
X-Git-Url: http://zhaoyanbai.com/repos/doc/%20%22?a=commitdiff_plain;h=693a6652ca6e1a71af4e9d913f11db25645daca9;p=minix.git

PM cleanup: remove obsolete HAS_DMA flag
---

diff --git a/servers/pm/dma.c b/servers/pm/dma.c
index 179f9de3b..11afac7ef 100644
--- a/servers/pm/dma.c
+++ b/servers/pm/dma.c
@@ -21,7 +21,6 @@ PUBLIC int do_adddma()
 	endpoint_t req_proc_e, target_proc_e;
 	int proc_n, r;
 	phys_bytes base, size;
-	struct mproc *rmp;
 
 	if (mp->mp_effuid != SUPER_USER)
 		return EPERM;
@@ -42,8 +41,6 @@ PUBLIC int do_adddma()
 		printf("pm:do_adddma: endpoint %d not found\n", target_proc_e);
 		return EINVAL;
 	}
-	rmp= &mproc[proc_n];
-	rmp->mp_flags |= HAS_DMA;
 
 	return OK;
 }
diff --git a/servers/pm/forkexit.c b/servers/pm/forkexit.c
index e93793e6e..08bbc3193 100644
--- a/servers/pm/forkexit.c
+++ b/servers/pm/forkexit.c
@@ -427,7 +427,7 @@ struct mproc *rmp;
   if (rmp->mp_flags & ZOMBIE)
 	panic(__FILE__, "zombify: process was already a zombie", NO_NUM);
 
-  rmp->mp_flags &= (IN_USE|PRIV_PROC|HAS_DMA);
+  rmp->mp_flags &= (IN_USE|PRIV_PROC);
   rmp->mp_flags |= ZOMBIE;
 
   p_mp = &mproc[rmp->mp_parent];
diff --git a/servers/pm/mproc.h b/servers/pm/mproc.h
index d6110bf6c..a0e961345 100644
--- a/servers/pm/mproc.h
+++ b/servers/pm/mproc.h
@@ -76,9 +76,6 @@ EXTERN struct mproc {
 #define PM_SIG_PENDING 0x4000	/* process got a signal while waiting for FS */
 #define PARTIAL_EXEC   0x8000	/* Process got a new map but no content */
 #define TOLD_PARENT   0x10000	/* Parent wait() completed, ZOMBIE off */
-#define HAS_DMA	      0x20000	/* Process directly or indirectly granted
-				 * DMA buffers.
-				 */
 
 #define NIL_MPROC ((struct mproc *) 0)