From: Gavin Shan Date: Thu, 24 Apr 2014 08:00:20 +0000 (+1000) Subject: powerpc/powernv: Fix endless reporting frozen PE X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=63796558d469d72ab081b266466d115755ba7085;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Signed-off-by: Benjamin Herrenschmidt --- 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);