[Xen-devel] [PATCH] fix x86_64 domain0 /dev/mem issue

["Ling, Xiaofeng" <xiaofeng.ling@xxxxxxxxx>]

fix x86_64 domain0 /dev/mem issue
x86_64 miss the define of ARCH_HAS_DEV_MEM, that cause /drivers/char/mem.c
do not show low 1M memory correctly.

Signed-off-by: Xiaofeng Ling <xiaofeng.ling@xxxxxxxxx>

diff -r fb5de385a9ee linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/io.h
--- a/linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/io.h      Wed Jul 27 
23:15:15 2005
+++ b/linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/io.h      Thu Jul 28 
18:01:44 2005
@@ -369,4 +369,6 @@

 #endif /* __KERNEL__ */

-#endif
+#define ARCH_HAS_DEV_MEM
+
+#endif


-------------------
Ling Xiaofeng(Daniel)
Open Source Technology Center
Intel China Software Center
iNet: 8-752-1243
8621-52574545-1243(O)
xfling@xxxxxxxxxxxxxxxxxxxxx

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