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From: Greg KH on 30 Mar 2010 20:10
2.6.32-stable review patch. If anyone has any objections, please let us know.

------------------

From: Borislav Petkov <borislav.petkov(a)amd.com>

commit 5b89d2f9ace1970324facc68ca9b8fae19ce8096 upstream.

Print the CPU associated with the error only when the field is valid.

Signed-off-by: Borislav Petkov <borislav.petkov(a)amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
drivers/edac/edac_mce_amd.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/edac/edac_mce_amd.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -311,9 +311,13 @@ void amd_decode_nb_mce(int node_id, stru
if (regs->nbsh & K8_NBSH_ERR_CPU_VAL)
pr_cont(", core: %u\n", (u8)(regs->nbsh & 0xf));
} else {
- pr_cont(", core: %d\n", ilog2((regs->nbsh & 0xf)));
- }
+ u8 assoc_cpus = regs->nbsh & 0xf;
+
+ if (assoc_cpus > 0)
+ pr_cont(", core: %d", fls(assoc_cpus) - 1);

+ pr_cont("\n");
+ }

pr_emerg("%s.\n", EXT_ERR_MSG(xec));



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