[PATCH] x86-64: Modify discover_ebda to use virtual addresses

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 4b114ee31ebc230ef104095e2d31a6bc4ca65be8..65e2bc551a2b3c8fdbe61f562cbc974849af9103 100644 (file)
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -205,10 +205,10 @@ static void discover_ebda(void)
         * there is a real-mode segmented pointer pointing to the 
         * 4K EBDA area at 0x40E
         */
-       ebda_addr = *(unsigned short *)EBDA_ADDR_POINTER;
+       ebda_addr = *(unsigned short *)__va(EBDA_ADDR_POINTER);
        ebda_addr <<= 4;
 
-       ebda_size = *(unsigned short *)(unsigned long)ebda_addr;
+       ebda_size = *(unsigned short *)__va(ebda_addr);
 
        /* Round EBDA up to pages */
        if (ebda_size == 0)