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* Add the functionality to override error reporting agents as some

Browse source 
machines are sporting a new extended error logging capability which, if
 done properly in the BIOS, makes a corresponding EDAC module redundant,
 from Gong Chen.
 
 * PCIe AER tracepoint severity levels fix, from Rui Wang.
 
 * Error path correction for the mce device init, from Levente Kurusa.
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Merge tag 'ras_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp into x86/ras

Pull RAS updates from Borislav Petkov:

  * Add the functionality to override error reporting agents as some
  machines are sporting a new extended error logging capability which, if
  done properly in the BIOS, makes a corresponding EDAC module redundant,
  from Gong Chen.

  * PCIe AER tracepoint severity levels fix, from Rui Wang.

  * Error path correction for the mce device init, from Levente Kurusa.

Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2013-12-16 14:33:17 +01:00
commit 014952270e
7 changed files with 84 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

19
drivers/edac/edac_stub.c
View file

@ -29,6 +29,25 @@ EXPORT_SYMBOL_GPL(edac_err_assert);
static atomic_t edac_subsys_valid = ATOMIC_INIT(0);
int edac_report_status = EDAC_REPORTING_ENABLED;
EXPORT_SYMBOL_GPL(edac_report_status);
static int __init edac_report_setup(char *str)
{
if (!str)
return -EINVAL;
if (!strncmp(str, "on", 2))
set_edac_report_status(EDAC_REPORTING_ENABLED);
else if (!strncmp(str, "off", 3))
set_edac_report_status(EDAC_REPORTING_DISABLED);
else if (!strncmp(str, "force", 5))
set_edac_report_status(EDAC_REPORTING_FORCE);
return 0;
}
__setup("edac_report=", edac_report_setup);
/*
* called to determine if there is an EDAC driver interested in
* knowing an event (such as NMI) occurred

6
drivers/edac/sb_edac.c
View file

@ -1829,6 +1829,9 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val,
struct mem_ctl_info *mci;
struct sbridge_pvt *pvt;
if (get_edac_report_status() == EDAC_REPORTING_DISABLED)
return NOTIFY_DONE;
mci = get_mci_for_node_id(mce->socketid);
if (!mci)
return NOTIFY_BAD;
@ -2142,9 +2145,10 @@ static int __init sbridge_init(void)
opstate_init();
pci_rc = pci_register_driver(&sbridge_driver);
if (pci_rc >= 0) {
mce_register_decode_chain(&sbridge_mce_dec);
if (get_edac_report_status() == EDAC_REPORTING_DISABLED)
sbridge_printk(KERN_WARNING, "Loading driver, error reporting disabled.\n");
return 0;
}