x86: merge iommu initialization parameters

we merge the iommu initialization parameters in pci-dma.c
Nice thing, that both architectures at least recognize the same
parameters.

usedac i386 parameter is marked for deprecation

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index af0e9393bf68..309c47b91598 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -282,6 +282,13 @@ Why:	Not used in-tree. The current out-of-tree users used it to
         out-of-tree driver.
 Who:    Thomas Gleixner <tglx@linutronix.de>
 
+----------------------------
+
+What:   usedac i386 kernel parameter
+When:   2.6.27
+Why:    replaced by allowdac and no dac combination
+Who:    Glauber Costa <gcosta@redhat.com>
+
 ---------------------------
 
 What:   /sys/o2cb symlink