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Merge commit 'origin/master' into next

Browse source 
Manual merge of:
	arch/powerpc/kernel/asm-offsets.c
This commit is contained in:
Benjamin Herrenschmidt 2009-06-12 16:53:38 +10:00
commit bc47ab0241
1642 changed files with 101186 additions and 33758 deletions
Download patch file Download diff file Expand all files Collapse all files

1
drivers/pci/hotplug/acpiphp.h
View file

@ -129,7 +129,6 @@ struct acpiphp_func {
struct acpiphp_bridge *bridge; /* Ejectable PCI-to-PCI bridge */
struct list_head sibling;
struct pci_dev *pci_dev;
struct notifier_block nb;
acpi_handle handle;

63
drivers/pci/hotplug/acpiphp_glue.c
View file

@ -32,9 +32,6 @@
/*
* Lifetime rules for pci_dev:
* - The one in acpiphp_func has its refcount elevated by pci_get_slot()
* when the driver is loaded or when an insertion event occurs. It loses
* a refcount when its ejected or the driver unloads.
* - The one in acpiphp_bridge has its refcount elevated by pci_get_slot()
* when the bridge is scanned and it loses a refcount when the bridge
* is removed.
@ -130,6 +127,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
unsigned long long adr, sun;
int device, function, retval;
struct pci_bus *pbus = bridge->pci_bus;
struct pci_dev *pdev;
if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
return AE_OK;
@ -213,10 +211,10 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
newfunc->slot = slot;
list_add_tail(&newfunc->sibling, &slot->funcs);
/* associate corresponding pci_dev */
newfunc->pci_dev = pci_get_slot(pbus, PCI_DEVFN(device, function));
if (newfunc->pci_dev) {
pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
if (pdev) {
slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
pci_dev_put(pdev);
}
if (is_dock_device(handle)) {
@ -617,7 +615,6 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
if (ACPI_FAILURE(status))
err("failed to remove notify handler\n");
}
pci_dev_put(func->pci_dev);
list_del(list);
kfree(func);
}
@ -1101,22 +1098,24 @@ static int __ref enable_device(struct acpiphp_slot *slot)
pci_enable_bridges(bus);
pci_bus_add_devices(bus);
/* associate pci_dev to our representation */
list_for_each (l, &slot->funcs) {
func = list_entry(l, struct acpiphp_func, sibling);
func->pci_dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
func->function));
if (!func->pci_dev)
dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
func->function));
if (!dev)
continue;
if (func->pci_dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
func->pci_dev->hdr_type != PCI_HEADER_TYPE_CARDBUS)
if (dev->hdr_type != PCI_HEADER_TYPE_BRIDGE &&
dev->hdr_type != PCI_HEADER_TYPE_CARDBUS) {
pci_dev_put(dev);
continue;
}
status = find_p2p_bridge(func->handle, (u32)1, bus, NULL);
if (ACPI_FAILURE(status))
warn("find_p2p_bridge failed (error code = 0x%x)\n",
status);
pci_dev_put(dev);
}
slot->flags |= SLOT_ENABLED;
@ -1142,17 +1141,14 @@ static void disable_bridges(struct pci_bus *bus)
*/
static int disable_device(struct acpiphp_slot *slot)
{
int retval = 0;
struct acpiphp_func *func;
struct list_head *l;
struct pci_dev *pdev;
/* is this slot already disabled? */
if (!(slot->flags & SLOT_ENABLED))
goto err_exit;
list_for_each (l, &slot->funcs) {
func = list_entry(l, struct acpiphp_func, sibling);
list_for_each_entry(func, &slot->funcs, sibling) {
if (func->bridge) {
/* cleanup p2p bridges under this P2P bridge */
cleanup_p2p_bridge(func->bridge->handle,
@ -1160,35 +1156,28 @@ static int disable_device(struct acpiphp_slot *slot)
func->bridge = NULL;
}
if (func->pci_dev) {
pci_stop_bus_device(func->pci_dev);
if (func->pci_dev->subordinate) {
disable_bridges(func->pci_dev->subordinate);
pci_disable_device(func->pci_dev);
pdev = pci_get_slot(slot->bridge->pci_bus,
PCI_DEVFN(slot->device, func->function));
if (pdev) {
pci_stop_bus_device(pdev);
if (pdev->subordinate) {
disable_bridges(pdev->subordinate);
pci_disable_device(pdev);
}
pci_remove_bus_device(pdev);
pci_dev_put(pdev);
}
}
list_for_each (l, &slot->funcs) {
func = list_entry(l, struct acpiphp_func, sibling);
list_for_each_entry(func, &slot->funcs, sibling) {
acpiphp_unconfigure_ioapics(func->handle);
acpiphp_bus_trim(func->handle);
/* try to remove anyway.
* acpiphp_bus_add might have been failed */
if (!func->pci_dev)
continue;
pci_remove_bus_device(func->pci_dev);
pci_dev_put(func->pci_dev);
func->pci_dev = NULL;
}
slot->flags &= (~SLOT_ENABLED);
err_exit:
return retval;
err_exit:
return 0;
}

50
drivers/pci/hotplug/ibmphp_core.c
View file

@ -153,45 +153,47 @@ int ibmphp_init_devno(struct slot **cur_slot)
return -1;
}
for (loop = 0; loop < len; loop++) {
if ((*cur_slot)->number == rtable->slots[loop].slot) {
if ((*cur_slot)->bus == rtable->slots[loop].bus) {
if ((*cur_slot)->number == rtable->slots[loop].slot &&
(*cur_slot)->bus == rtable->slots[loop].bus) {
struct io_apic_irq_attr irq_attr;
(*cur_slot)->device = PCI_SLOT(rtable->slots[loop].devfn);
for (i = 0; i < 4; i++)
(*cur_slot)->irq[i] = IO_APIC_get_PCI_irq_vector((int) (*cur_slot)->bus,
(int) (*cur_slot)->device, i);
(int) (*cur_slot)->device, i,
&irq_attr);
debug("(*cur_slot)->irq[0] = %x\n",
(*cur_slot)->irq[0]);
debug("(*cur_slot)->irq[1] = %x\n",
(*cur_slot)->irq[1]);
debug("(*cur_slot)->irq[2] = %x\n",
(*cur_slot)->irq[2]);
debug("(*cur_slot)->irq[3] = %x\n",
(*cur_slot)->irq[3]);
debug("(*cur_slot)->irq[0] = %x\n",
(*cur_slot)->irq[0]);
debug("(*cur_slot)->irq[1] = %x\n",
(*cur_slot)->irq[1]);
debug("(*cur_slot)->irq[2] = %x\n",
(*cur_slot)->irq[2]);
debug("(*cur_slot)->irq[3] = %x\n",
(*cur_slot)->irq[3]);
debug("rtable->exlusive_irqs = %x\n",
debug("rtable->exlusive_irqs = %x\n",
rtable->exclusive_irqs);
debug("rtable->slots[loop].irq[0].bitmap = %x\n",
debug("rtable->slots[loop].irq[0].bitmap = %x\n",
rtable->slots[loop].irq[0].bitmap);
debug("rtable->slots[loop].irq[1].bitmap = %x\n",
debug("rtable->slots[loop].irq[1].bitmap = %x\n",
rtable->slots[loop].irq[1].bitmap);
debug("rtable->slots[loop].irq[2].bitmap = %x\n",
debug("rtable->slots[loop].irq[2].bitmap = %x\n",
rtable->slots[loop].irq[2].bitmap);
debug("rtable->slots[loop].irq[3].bitmap = %x\n",
debug("rtable->slots[loop].irq[3].bitmap = %x\n",
rtable->slots[loop].irq[3].bitmap);
debug("rtable->slots[loop].irq[0].link = %x\n",
debug("rtable->slots[loop].irq[0].link = %x\n",
rtable->slots[loop].irq[0].link);
debug("rtable->slots[loop].irq[1].link = %x\n",
debug("rtable->slots[loop].irq[1].link = %x\n",
rtable->slots[loop].irq[1].link);
debug("rtable->slots[loop].irq[2].link = %x\n",
debug("rtable->slots[loop].irq[2].link = %x\n",
rtable->slots[loop].irq[2].link);
debug("rtable->slots[loop].irq[3].link = %x\n",
debug("rtable->slots[loop].irq[3].link = %x\n",
rtable->slots[loop].irq[3].link);
debug("end of init_devno\n");
kfree(rtable);
return 0;
}
debug("end of init_devno\n");
kfree(rtable);
return 0;
}
}

4
drivers/pci/htirq.c
View file

@ -98,6 +98,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
int max_irq;
int pos;
int irq;
int node;
pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
if (!pos)
@ -125,7 +126,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
cfg->msg.address_lo = 0xffffffff;
cfg->msg.address_hi = 0xffffffff;
irq = create_irq();
node = dev_to_node(&dev->dev);
irq = create_irq_nr(0, node);
if (irq <= 0) {
kfree(cfg);

9
drivers/pci/intel-iommu.c
View file

@ -1972,15 +1972,6 @@ static int __init init_dmars(void)
}
}
#ifdef CONFIG_INTR_REMAP
if (!intr_remapping_enabled) {
ret = enable_intr_remapping(0);
if (ret)
printk(KERN_ERR
"IOMMU: enable interrupt remapping failed\n");
}
#endif
/*
* For each rmrr
* for each dev attached to rmrr

54
drivers/pci/intr_remapping.c
View file

@ -15,6 +15,14 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS];
static int ir_ioapic_num;
int intr_remapping_enabled;
static int disable_intremap;
static __init int setup_nointremap(char *str)
{
disable_intremap = 1;
return 0;
}
early_param("nointremap", setup_nointremap);
struct irq_2_iommu {
struct intel_iommu *iommu;
u16 irte_index;
@ -23,15 +31,12 @@ struct irq_2_iommu {
};
#ifdef CONFIG_GENERIC_HARDIRQS
static struct irq_2_iommu *get_one_free_irq_2_iommu(int cpu)
static struct irq_2_iommu *get_one_free_irq_2_iommu(int node)
{
struct irq_2_iommu *iommu;
int node;
node = cpu_to_node(cpu);
iommu = kzalloc_node(sizeof(*iommu), GFP_ATOMIC, node);
printk(KERN_DEBUG "alloc irq_2_iommu on cpu %d node %d\n", cpu, node);
printk(KERN_DEBUG "alloc irq_2_iommu on node %d\n", node);
return iommu;
}
@ -48,7 +53,7 @@ static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
return desc->irq_2_iommu;
}
static struct irq_2_iommu *irq_2_iommu_alloc_cpu(unsigned int irq, int cpu)
static struct irq_2_iommu *irq_2_iommu_alloc_node(unsigned int irq, int node)
{
struct irq_desc *desc;
struct irq_2_iommu *irq_iommu;
@ -56,7 +61,7 @@ static struct irq_2_iommu *irq_2_iommu_alloc_cpu(unsigned int irq, int cpu)
/*
* alloc irq desc if not allocated already.
*/
desc = irq_to_desc_alloc_cpu(irq, cpu);
desc = irq_to_desc_alloc_node(irq, node);
if (!desc) {
printk(KERN_INFO "can not get irq_desc for %d\n", irq);
return NULL;
@ -65,14 +70,14 @@ static struct irq_2_iommu *irq_2_iommu_alloc_cpu(unsigned int irq, int cpu)
irq_iommu = desc->irq_2_iommu;
if (!irq_iommu)
desc->irq_2_iommu = get_one_free_irq_2_iommu(cpu);
desc->irq_2_iommu = get_one_free_irq_2_iommu(node);
return desc->irq_2_iommu;
}
static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
{
return irq_2_iommu_alloc_cpu(irq, boot_cpu_id);
return irq_2_iommu_alloc_node(irq, cpu_to_node(boot_cpu_id));
}
#else /* !CONFIG_SPARSE_IRQ */
@ -423,20 +428,6 @@ static void iommu_set_intr_remapping(struct intel_iommu *iommu, int mode)
readl, (sts & DMA_GSTS_IRTPS), sts);
spin_unlock_irqrestore(&iommu->register_lock, flags);
if (mode == 0) {
spin_lock_irqsave(&iommu->register_lock, flags);
/* enable comaptiblity format interrupt pass through */
cmd = iommu->gcmd | DMA_GCMD_CFI;
iommu->gcmd |= DMA_GCMD_CFI;
writel(cmd, iommu->reg + DMAR_GCMD_REG);
IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG,
readl, (sts & DMA_GSTS_CFIS), sts);
spin_unlock_irqrestore(&iommu->register_lock, flags);
}
/*
* global invalidation of interrupt entry cache before enabling
* interrupt-remapping.
@ -516,6 +507,23 @@ end:
spin_unlock_irqrestore(&iommu->register_lock, flags);
}
int __init intr_remapping_supported(void)
{
struct dmar_drhd_unit *drhd;
if (disable_intremap)
return 0;
for_each_drhd_unit(drhd) {
struct intel_iommu *iommu = drhd->iommu;
if (!ecap_ir_support(iommu->ecap))
return 0;
}
return 1;
}
int __init enable_intr_remapping(int eim)
{
struct dmar_drhd_unit *drhd;

2
drivers/pci/probe.c
View file

@ -745,6 +745,8 @@ int pci_setup_device(struct pci_dev *dev)
/* Early fixups, before probing the BARs */
pci_fixup_device(pci_fixup_early, dev);
/* device class may be changed after fixup */
class = dev->class >> 8;
switch (dev->hdr_type) { /* header type */
case PCI_HEADER_TYPE_NORMAL: /* standard header */