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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-11 17:07:13 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-11 17:07:13 -0500
commit676ad585531e965416fd958747894541dabcec96 (patch)
tree26dc3c73bc518f13cc3e31c56828fece8d52fa4f /drivers/edac
parentffaa60d5fe1d30b618b0feb22c79486c26a16ea0 (diff)
parentcab4d27764d5a8654212b3e96eb0ae793aec5b94 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: amd64_edac: Do not falsely trigger kerneloops
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/amd64_edac.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 000dc67b85b7..3391e6739d06 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2658,10 +2658,11 @@ static void amd64_restore_ecc_error_reporting(struct amd64_pvt *pvt)
2658 * the memory system completely. A command line option allows to force-enable 2658 * the memory system completely. A command line option allows to force-enable
2659 * hardware ECC later in amd64_enable_ecc_error_reporting(). 2659 * hardware ECC later in amd64_enable_ecc_error_reporting().
2660 */ 2660 */
2661static const char *ecc_warning = 2661static const char *ecc_msg =
2662 "WARNING: ECC is disabled by BIOS. Module will NOT be loaded.\n" 2662 "ECC disabled in the BIOS or no ECC capability, module will not load.\n"
2663 " Either Enable ECC in the BIOS, or set 'ecc_enable_override'.\n" 2663 " Either enable ECC checking or force module loading by setting "
2664 " Also, use of the override can cause unknown side effects.\n"; 2664 "'ecc_enable_override'.\n"
2665 " (Note that use of the override may cause unknown side effects.)\n";
2665 2666
2666static int amd64_check_ecc_enabled(struct amd64_pvt *pvt) 2667static int amd64_check_ecc_enabled(struct amd64_pvt *pvt)
2667{ 2668{
@@ -2673,7 +2674,7 @@ static int amd64_check_ecc_enabled(struct amd64_pvt *pvt)
2673 2674
2674 ecc_enabled = !!(value & K8_NBCFG_ECC_ENABLE); 2675 ecc_enabled = !!(value & K8_NBCFG_ECC_ENABLE);
2675 if (!ecc_enabled) 2676 if (!ecc_enabled)
2676 amd64_printk(KERN_WARNING, "This node reports that Memory ECC " 2677 amd64_printk(KERN_NOTICE, "This node reports that Memory ECC "
2677 "is currently disabled, set F3x%x[22] (%s).\n", 2678 "is currently disabled, set F3x%x[22] (%s).\n",
2678 K8_NBCFG, pci_name(pvt->misc_f3_ctl)); 2679 K8_NBCFG, pci_name(pvt->misc_f3_ctl));
2679 else 2680 else
@@ -2681,13 +2682,13 @@ static int amd64_check_ecc_enabled(struct amd64_pvt *pvt)
2681 2682
2682 nb_mce_en = amd64_nb_mce_bank_enabled_on_node(pvt->mc_node_id); 2683 nb_mce_en = amd64_nb_mce_bank_enabled_on_node(pvt->mc_node_id);
2683 if (!nb_mce_en) 2684 if (!nb_mce_en)
2684 amd64_printk(KERN_WARNING, "NB MCE bank disabled, set MSR " 2685 amd64_printk(KERN_NOTICE, "NB MCE bank disabled, set MSR "
2685 "0x%08x[4] on node %d to enable.\n", 2686 "0x%08x[4] on node %d to enable.\n",
2686 MSR_IA32_MCG_CTL, pvt->mc_node_id); 2687 MSR_IA32_MCG_CTL, pvt->mc_node_id);
2687 2688
2688 if (!ecc_enabled || !nb_mce_en) { 2689 if (!ecc_enabled || !nb_mce_en) {
2689 if (!ecc_enable_override) { 2690 if (!ecc_enable_override) {
2690 amd64_printk(KERN_WARNING, "%s", ecc_warning); 2691 amd64_printk(KERN_NOTICE, "%s", ecc_msg);
2691 return -ENODEV; 2692 return -ENODEV;
2692 } 2693 }
2693 ecc_enable_override = 0; 2694 ecc_enable_override = 0;