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edac, mce: Filter out invalid values

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commit 5b89d2f9ac upstream.

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

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Borislav Petkov
2010-03-09 20:38:48 +01:00
committed by Greg Kroah-Hartman
parent a72fce0653
commit ceb2ef9f73
1 changed files with 6 additions and 2 deletions
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8
drivers/edac/edac_mce_amd.c
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@@ -311,9 +311,13 @@ void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors)
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));