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From: Greg KH on 12 Mar 2010 20:00
2.6.32-stable review patch. If anyone has any objections, please let me know.

----------------
From: Robert Richter <robert.richter(a)amd.com>

commit 89baaaa98a10cad5cc8516c7208b02d9fc711890 upstream.

Standard AMD systems have the same number of nodes as there are
northbridge devices. However, there may kernel configurations
(especially for 32 bit) or system setups exist, where the node number
is different or it can not be detected properly. Thus the check is not
reliable and may fail though IBS setup was fine. For this reason it is
better to remove the check.

Signed-off-by: Robert Richter <robert.richter(a)amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
arch/x86/oprofile/op_model_amd.c | 10 ----------
1 file changed, 10 deletions(-)

--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -386,16 +386,6 @@ static int init_ibs_nmi(void)
return 1;
}

-#ifdef CONFIG_NUMA
- /* Sanity check */
- /* Works only for 64bit with proper numa implementation. */
- if (nodes != num_possible_nodes()) {
- printk(KERN_DEBUG "Failed to setup CPU node(s) for IBS, "
- "found: %d, expected %d",
- nodes, num_possible_nodes());
- return 1;
- }
-#endif
return 0;
}



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