Changeset 3164e3b in mainline

Timestamp:

2012-02-26T19:23:51Z (13 years ago)

Author:

Martin Sucha <sucha14@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2b4ae501

Parents:

b64fbc9

Message:

Allow mapping reserved physical memory zones to privileged userspace tasks.

This fixes the APIC server not able to enable PIO on my hardware.
Thx Jakub Jermar for helping me to resolve the issue.

File:

• kernel/generic/src/ddi/ddi.c (modified) (1 diff)

kernel/generic/src/ddi/ddi.c

@@ -166 +166 @@
         }
         
-        if (zones.info[znum].flags & ZONE_FIRMWARE) {
-                /*
-                 * Frames are part of firmware
+        if (zones.info[znum].flags & (ZONE_FIRMWARE | ZONE_RESERVED)) {
+                /*
+                 * Frames are part of firmware or reserved zone
                  * -> allow mapping for privileged tasks.
                  */