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authorGavin Shan <gwshan@linux.vnet.ibm.com>2014-04-24 18:00:20 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-04-28 17:34:36 +1000
commit63796558d469d72ab081b266466d115755ba7085 (patch)
treec6520886b8d33f6c3bae8509c1946c34bce61149
parentd2b0f6f77ee525811b6efe864efa6a4eb82eea73 (diff)
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powerpc/powernv: Fix endless reporting frozen PE
Once one specific PE has been marked as EEH_PE_ISOLATED, it's in the middile of recovery or removed permenently. We needn't report the frozen PE again. Otherwise, we will have endless reporting same frozen PE. Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/platforms/powernv/eeh-ioda.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index 35ec394f784f..3a755b5f9952 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -745,6 +745,11 @@ static int ioda_eeh_next_error(struct eeh_pe **pe)
* If we can't find the corresponding PE, the
* PEEV / PEST would be messy. So we force an
* fenced PHB so that it can be recovered.
+ *
+ * If the PE has been marked as isolated, that
+ * should have been removed permanently or in
+ * progress with recovery. We needn't report
+ * it again.
*/
if (ioda_eeh_get_pe(hose, frozen_pe_no, pe)) {
*pe = phb_pe;
@@ -753,6 +758,8 @@ static int ioda_eeh_next_error(struct eeh_pe **pe)
hose->global_number,
frozen_pe_no);
ret = EEH_NEXT_ERR_FENCED_PHB;
+ } else if ((*pe)->state & EEH_PE_ISOLATED) {
+ ret = EEH_NEXT_ERR_NONE;
} else {
pr_err("EEH: Frozen PE#%x on PHB#%x detected\n",
(*pe)->addr, (*pe)->phb->global_number);