diff options
Diffstat (limited to 'hw/ppc')
-rw-r--r-- | hw/ppc/spapr.c | 4 | ||||
-rw-r--r-- | hw/ppc/spapr_drc.c | 20 |
2 files changed, 19 insertions, 5 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 8aecea3..44c26e4 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1524,16 +1524,16 @@ static void htab_save_first_pass(QEMUFile *f, sPAPRMachineState *spapr, /* Consume invalid HPTEs */ while ((index < htabslots) && !HPTE_VALID(HPTE(spapr->htab, index))) { - index++; CLEAN_HPTE(HPTE(spapr->htab, index)); + index++; } /* Consume valid HPTEs */ chunkstart = index; while ((index < htabslots) && (index - chunkstart < USHRT_MAX) && HPTE_VALID(HPTE(spapr->htab, index))) { - index++; CLEAN_HPTE(HPTE(spapr->htab, index)); + index++; } if (index > chunkstart) { diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c index 150f6bf..a1cdc87 100644 --- a/hw/ppc/spapr_drc.c +++ b/hw/ppc/spapr_drc.c @@ -135,6 +135,17 @@ static uint32_t set_allocation_state(sPAPRDRConnector *drc, if (!drc->dev) { return RTAS_OUT_NO_SUCH_INDICATOR; } + if (drc->awaiting_release && drc->awaiting_allocation) { + /* kernel is acknowledging a previous hotplug event + * while we are already removing it. + * it's safe to ignore awaiting_allocation here since we know the + * situation is predicated on the guest either already having done + * so (boot-time hotplug), or never being able to acquire in the + * first place (hotplug followed by immediate unplug). + */ + drc->awaiting_allocation_skippable = true; + return RTAS_OUT_NO_SUCH_INDICATOR; + } } if (drc->type != SPAPR_DR_CONNECTOR_TYPE_PCI) { @@ -436,9 +447,11 @@ static void detach(sPAPRDRConnector *drc, DeviceState *d, } if (drc->awaiting_allocation) { - drc->awaiting_release = true; - trace_spapr_drc_awaiting_allocation(get_index(drc)); - return; + if (!drc->awaiting_allocation_skippable) { + drc->awaiting_release = true; + trace_spapr_drc_awaiting_allocation(get_index(drc)); + return; + } } drc->indicator_state = SPAPR_DR_INDICATOR_STATE_INACTIVE; @@ -448,6 +461,7 @@ static void detach(sPAPRDRConnector *drc, DeviceState *d, } drc->awaiting_release = false; + drc->awaiting_allocation_skippable = false; g_free(drc->fdt); drc->fdt = NULL; drc->fdt_start_offset = 0; |