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Date: Fri, 3 Apr 2009 17:33:32 GMT From: Russ Anderson <rja@....com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, rja@....com, hpa@...or.com, mingo@...hat.com, tglx@...utronix.de, mingo@...e.hu Subject: [tip:x86/uv] x86, UV: system table in bios accessed after unmap Commit-ID: 1a544e659cbfce178395e9a090a47d1907d0cfa8 Gitweb: http://git.kernel.org/tip/1a544e659cbfce178395e9a090a47d1907d0cfa8 Author: Russ Anderson <rja@....com> AuthorDate: Mon, 30 Mar 2009 17:52:40 -0500 Committer: Ingo Molnar <mingo@...e.hu> CommitDate: Fri, 3 Apr 2009 19:25:57 +0200 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@....com> LKML-Reference: <20090330225240.GA22776@....com> Signed-off-by: Ingo Molnar <mingo@...e.hu> --- 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 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 */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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