From 1a544e659cbfce178395e9a090a47d1907d0cfa8 Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Mon, 30 Mar 2009 17:52:40 -0500 Subject: [PATCH] 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 LKML-Reference: <20090330225240.GA22776@sgi.com> Signed-off-by: Ingo Molnar --- arch/x86/kernel/bios_uv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index f638827..63a88e1 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -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 */ -- 2.7.4