[Xen-devel] [PATCH][1/4] Enable 1GB for Xen HVM host page

[Wei Huang <wei.huang2@xxxxxxx>]

To support 1GB host page, this patch changes the MMIO starting address 
to 1GB boundary.
Signed-off-by: Dongxiao Xu <dongxiao.xu@xxxxxxxxx>
Signed-off-by: Wei Huang <wei.huang2@xxxxxxx>

# HG changeset patch
# User huangwei@xxxxxxxxxxxxxxxx
# Date 1266853444 21600
# Node ID 1d166c5703256ab97225c6ae46ac87dd5bd07e89
# Parent  94e009ef5a58c02d4fe78fcc4c85627b469ee937
change the beginning address of MMIO space to 1GB boundary

diff -r 94e009ef5a58 -r 1d166c570325 xen/include/public/hvm/e820.h
--- a/xen/include/public/hvm/e820.h     Mon Feb 22 10:08:10 2010 +0000
+++ b/xen/include/public/hvm/e820.h     Mon Feb 22 09:44:04 2010 -0600
@@ -27,7 +27,7 @@
 #define HVM_E820_NR_OFFSET   0x000001E8
 #define HVM_E820_OFFSET      0x000002D0
 
-#define HVM_BELOW_4G_RAM_END        0xF0000000
+#define HVM_BELOW_4G_RAM_END        0xC0000000
 #define HVM_BELOW_4G_MMIO_START     HVM_BELOW_4G_RAM_END
 #define HVM_BELOW_4G_MMIO_LENGTH    ((1ULL << 32) - HVM_BELOW_4G_MMIO_START)
 

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel