[Qemu-devel] [5753] kvm: de-register mem region for MMIO (Glauber Costa)

[Anthony Liguori]

Revision: 5753
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5753
Author:   aliguori
Date:     2008-11-19 15:09:54 +0000 (Wed, 19 Nov 2008)

Log Message:
-----------
kvm: de-register mem region for MMIO (Glauber Costa)

Besides unassigned memory, we also don't care about MMIO.
So if we're giving an MMIO area that is already registered,
wipe it out.

Signed-off-by: Glauber Costa <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>

Modified Paths:
--------------
    trunk/kvm-all.c

Modified: trunk/kvm-all.c
===================================================================
--- trunk/kvm-all.c     2008-11-19 15:03:36 UTC (rev 5752)
+++ trunk/kvm-all.c     2008-11-19 15:09:54 UTC (rev 5753)
@@ -322,7 +322,7 @@
 
     mem = kvm_lookup_slot(s, start_addr);
     if (mem) {
-        if (flags == IO_MEM_UNASSIGNED) {
+        if ((flags == IO_MEM_UNASSIGNED) || (flags >= TLB_MMIO)) {
             mem->memory_size = 0;
             mem->guest_phys_addr = start_addr;
             mem->userspace_addr = 0;