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| author | Russ Anderson <rja@sgi.com> | 2009-03-30 17:52:40 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-03 19:25:57 +0200 |
| commit | 1a544e659cbfce178395e9a090a47d1907d0cfa8 (patch) | |
| tree | 0259f066325c7267cf6409eaf9f897c212653845 /arch/x86/kernel/bios_uv.c | |
| parent | c4c4688f72e638708e5f6b5c259699de82a36fec (diff) | |
| download | linux-1a544e659cbfce178395e9a090a47d1907d0cfa8.tar.gz | |
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>
Diffstat (limited to 'arch/x86/kernel/bios_uv.c')
| -rw-r--r-- | arch/x86/kernel/bios_uv.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index f63882728d91..63a88e1f987d 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 */ |