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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: Russ Anderson <rja@sgi.com>
LKML-Reference: <20090330225240.GA22776@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Russ Anderson 2009-03-30 17:52:40 -05:00 committed by Ingo Molnar
parent c4c4688f72
commit 1a544e659c
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kernel/bios_uv.c
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@ -182,7 +182,8 @@ void uv_bios_init(void)
memcpy(&uv_systab, tab, sizeof(struct uv_systab)); memcpy(&uv_systab, tab, sizeof(struct uv_systab));
iounmap(tab); 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 */ #else /* !CONFIG_EFI */