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Commit 1a544e65 authored by Russ Anderson's avatar Russ Anderson Committed by Ingo Molnar
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x86, UV: system table in bios accessed after unmap 



Use the copy of UV system table in kernel memory, not the one in
bios after unmapping.

Signed-off-by: default avatarRuss Anderson <rja@sgi.com>
LKML-Reference: <20090330225240.GA22776@sgi.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent c4c4688f

arch/x86/kernel/bios_uv.c

+2 −1
Original line number Diff line number Diff line
@@ -182,7 +182,8 @@ void uv_bios_init(void) 
	memcpy(&uv_systab, tab, sizeof(struct uv_systab));

	iounmap(tab);



	printk(KERN_INFO "EFI UV System Table Revision %d\n", tab->revision);

	printk(KERN_INFO "EFI UV System Table Revision %d\n",

					uv_systab.revision);

}

#else	/* !CONFIG_EFI */