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ppc patch queue 2016-08-08

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This batch has several last minute bug fixes to be merged for
 qemu-2.7.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.7-20160808' into staging

ppc patch queue 2016-08-08

This batch has several last minute bug fixes to be merged for
qemu-2.7.

# gpg: Signature made Mon 08 Aug 2016 03:40:58 BST
# gpg:                using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.7-20160808:
  spapr: Fix undefined behaviour in spapr_tce_reset()
  macio: set res_count value to 0 after non-block ATAPI DMA transfers
  spapr: Correctly set query_hotpluggable_cpus hook based on machine version

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2016-08-08 11:32:01 +01:00
commit cbda16c010
5 changed files with 15 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
hw/ide/macio.c
View File

@ -273,6 +273,7 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret)
s->io_buffer_size = MIN(s->io_buffer_size, io->len);
dma_memory_write(&address_space_memory, io->addr, s->io_buffer,
s->io_buffer_size);
io->len = 0;
ide_atapi_cmd_ok(s);
m->dma_active = false;
goto done;

24
hw/ppc/spapr.c
View File

@ -938,6 +938,7 @@ static void spapr_finalize_fdt(sPAPRMachineState *spapr,
hwaddr rtas_size)
{
MachineState *machine = MACHINE(qdev_get_machine());
MachineClass *mc = MACHINE_GET_CLASS(machine);
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine);
const char *boot_device = machine->boot_order;
int ret, i;
@ -1020,7 +1021,7 @@ static void spapr_finalize_fdt(sPAPRMachineState *spapr,
_FDT(spapr_drc_populate_dt(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB));
}
if (smc->dr_cpu_enabled) {
if (mc->query_hotpluggable_cpus) {
int offset = fdt_path_offset(fdt, "/cpus");
ret = spapr_drc_populate_dt(fdt, offset, NULL,
SPAPR_DR_CONNECTOR_TYPE_CPU);
@ -1712,6 +1713,7 @@ static void spapr_validate_node_memory(MachineState *machine, Error **errp)
static void ppc_spapr_init(MachineState *machine)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(machine);
MachineClass *mc = MACHINE_GET_CLASS(machine);
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine);
const char *kernel_filename = machine->kernel_filename;
const char *kernel_cmdline = machine->kernel_cmdline;
@ -1733,7 +1735,7 @@ static void ppc_spapr_init(MachineState *machine)
int spapr_cores = smp_cpus / smp_threads;
int spapr_max_cores = max_cpus / smp_threads;
if (smc->dr_cpu_enabled) {
if (mc->query_hotpluggable_cpus) {
if (smp_cpus % smp_threads) {
error_report("smp_cpus (%u) must be multiple of threads (%u)",
smp_cpus, smp_threads);
@ -1810,7 +1812,7 @@ static void ppc_spapr_init(MachineState *machine)
machine->cpu_model = kvm_enabled() ? "host" : "POWER7";
}
if (smc->dr_cpu_enabled) {
if (mc->query_hotpluggable_cpus) {
char *type = spapr_get_cpu_core_type(machine->cpu_model);
spapr->cores = g_new0(Object *, spapr_max_cores);
@ -2333,12 +2335,12 @@ static void spapr_machine_device_plug(HotplugHandler *hotplug_dev,
static void spapr_machine_device_unplug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(qdev_get_machine());
MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
error_setg(errp, "Memory hot unplug not supported by sPAPR");
} else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) {
if (!smc->dr_cpu_enabled) {
if (!mc->query_hotpluggable_cpus) {
error_setg(errp, "CPU hot unplug not supported on this machine");
return;
}
@ -2376,11 +2378,8 @@ static HotpluggableCPUList *spapr_query_hotpluggable_cpus(MachineState *machine)
int i;
HotpluggableCPUList *head = NULL;
sPAPRMachineState *spapr = SPAPR_MACHINE(machine);
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine);
int spapr_max_cores = max_cpus / smp_threads;
g_assert(smc->dr_cpu_enabled);
for (i = 0; i < spapr_max_cores; i++) {
HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
@ -2435,12 +2434,9 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
hc->plug = spapr_machine_device_plug;
hc->unplug = spapr_machine_device_unplug;
mc->cpu_index_to_socket_id = spapr_cpu_index_to_socket_id;
if (smc->dr_cpu_enabled) {
mc->query_hotpluggable_cpus = spapr_query_hotpluggable_cpus;
}
smc->dr_lmb_enabled = true;
smc->dr_cpu_enabled = true;
mc->query_hotpluggable_cpus = spapr_query_hotpluggable_cpus;
fwc->get_dev_path = spapr_get_fw_dev_path;
nc->nmi_monitor_handler = spapr_nmi;
}
@ -2521,10 +2517,8 @@ static void spapr_machine_2_6_instance_options(MachineState *machine)
static void spapr_machine_2_6_class_options(MachineClass *mc)
{
sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
spapr_machine_2_7_class_options(mc);
smc->dr_cpu_enabled = false;
mc->query_hotpluggable_cpus = NULL;
SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_6);
}

7
hw/ppc/spapr_cpu_core.c
View File

@ -153,7 +153,6 @@ void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev,
void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
Error **errp)
{
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(OBJECT(hotplug_dev));
sPAPRMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev));
sPAPRCPUCore *core = SPAPR_CPU_CORE(OBJECT(dev));
CPUCore *cc = CPU_CORE(dev);
@ -166,8 +165,6 @@ void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
int index = cc->core_id / smp_threads;
int smt = kvmppc_smt_threads();
g_assert(smc->dr_cpu_enabled);
drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_CPU, index * smt);
spapr->cores[index] = OBJECT(dev);
@ -209,7 +206,7 @@ void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
Error **errp)
{
MachineState *machine = MACHINE(OBJECT(hotplug_dev));
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(OBJECT(hotplug_dev));
MachineClass *mc = MACHINE_GET_CLASS(hotplug_dev);
sPAPRMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev));
int spapr_max_cores = max_cpus / smp_threads;
int index;
@ -218,7 +215,7 @@ void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
char *base_core_type = spapr_get_cpu_core_type(machine->cpu_model);
const char *type = object_get_typename(OBJECT(dev));
if (!smc->dr_cpu_enabled) {
if (!mc->query_hotpluggable_cpus) {
error_setg(&local_err, "CPU hotplug not supported for this machine");
goto out;
}

4
hw/ppc/spapr_iommu.c
View File

@ -385,7 +385,9 @@ static void spapr_tce_reset(DeviceState *dev)
sPAPRTCETable *tcet = SPAPR_TCE_TABLE(dev);
size_t table_size = tcet->nb_table * sizeof(uint64_t);
memset(tcet->table, 0, table_size);
if (tcet->nb_table) {
memset(tcet->table, 0, table_size);
}
}
static target_ulong put_tce_emu(sPAPRTCETable *tcet, target_ulong ioba,

1
include/hw/ppc/spapr.h
View File

@ -38,7 +38,6 @@ struct sPAPRMachineClass {
/*< public >*/
bool dr_lmb_enabled; /* enable dynamic-reconfig/hotplug of LMBs */
bool dr_cpu_enabled; /* enable dynamic-reconfig/hotplug of CPUs */
bool use_ohci_by_default; /* use USB-OHCI instead of XHCI */
};