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Commit bdb96a66 authored by Vivek Goyal's avatar Vivek Goyal Committed by Andi Kleen
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[PATCH] x86-64: Modify discover_ebda to use virtual addresses 



Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Signed-off-by: default avatarVivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent d8e1baf1

arch/x86_64/kernel/setup.c

+2 −2
Original line number Diff line number Diff line
@@ -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)