/* No need for a barrier -- XCHG is a barrier on x86. */
#define xchg_xen_ulong(ptr, val) xchg((ptr), (val))
-extern int xen_have_vector_callback;
-
-/*
- * Events delivered via platform PCI interrupts are always
- * routed to vcpu 0 and hence cannot be rebound.
- */
-static inline bool xen_support_evtchn_rebind(void)
-{
- return (!xen_hvm_domain() || xen_have_vector_callback);
-}
-
#endif /* _ASM_X86_XEN_EVENTS_H */
int __init pci_xen_hvm_init(void)
{
- if (!xen_have_vector_callback || !xen_feature(XENFEAT_hvm_pirqs))
+ if (!xen_feature(XENFEAT_hvm_pirqs))
return 0;
#ifdef CONFIG_ACPI
void *xen_initial_gdt;
RESERVE_BRK(shared_info_page_brk, PAGE_SIZE);
-__read_mostly int xen_have_vector_callback;
-EXPORT_SYMBOL_GPL(xen_have_vector_callback);
+
+static int xen_cpu_up_prepare(unsigned int cpu);
+static int xen_cpu_up_online(unsigned int cpu);
+static int xen_cpu_dead(unsigned int cpu);
/*
* Point at some empty memory to start with. We map the real shared_info
if (!xen_feature(XENFEAT_auto_translated_physmap))
return;
- if (!xen_feature(XENFEAT_hvm_callback_vector))
- return;
-
- xen_have_vector_callback = 1;
+ BUG_ON(!xen_feature(XENFEAT_hvm_callback_vector));
xen_pvh_early_cpu_init(0, false);
xen_pvh_set_cr_flags(0);
x86_platform.legacy.rtc = 1;
}
+static int xen_cpuhp_setup(void)
+{
+ int rc;
+
+ rc = cpuhp_setup_state_nocalls(CPUHP_XEN_PREPARE,
+ "XEN_HVM_GUEST_PREPARE",
+ xen_cpu_up_prepare, xen_cpu_dead);
+ if (rc >= 0) {
+ rc = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
+ "XEN_HVM_GUEST_ONLINE",
+ xen_cpu_up_online, NULL);
+ if (rc < 0)
+ cpuhp_remove_state_nocalls(CPUHP_XEN_PREPARE);
+ }
+
+ return rc >= 0 ? 0 : rc;
+}
+
/* First C function to be called on Xen boot */
asmlinkage __visible void __init xen_start_kernel(void)
{
possible map and a non-dummy shared_info. */
per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0];
+ WARN_ON(xen_cpuhp_setup());
+
local_irq_disable();
early_boot_irqs_disabled = true;
xen_domain_type = XEN_HVM_DOMAIN;
}
-static int xen_hvm_cpu_notify(struct notifier_block *self, unsigned long action,
- void *hcpu)
+static int xen_cpu_up_prepare(unsigned int cpu)
{
- int cpu = (long)hcpu;
- switch (action) {
- case CPU_UP_PREPARE:
+ int rc;
+
+ if (xen_hvm_domain()) {
+ /*
+ * This can happen if CPU was offlined earlier and
+ * offlining timed out in common_cpu_die().
+ */
+ if (cpu_report_state(cpu) == CPU_DEAD_FROZEN) {
+ xen_smp_intr_free(cpu);
+ xen_uninit_lock_cpu(cpu);
+ }
+
if (cpu_acpi_id(cpu) != U32_MAX)
per_cpu(xen_vcpu_id, cpu) = cpu_acpi_id(cpu);
else
per_cpu(xen_vcpu_id, cpu) = cpu;
xen_vcpu_setup(cpu);
- if (xen_have_vector_callback) {
- if (xen_feature(XENFEAT_hvm_safe_pvclock))
- xen_setup_timer(cpu);
- }
- break;
- default:
- break;
}
- return NOTIFY_OK;
+
+ if (xen_pv_domain() || xen_feature(XENFEAT_hvm_safe_pvclock))
+ xen_setup_timer(cpu);
+
+ rc = xen_smp_intr_init(cpu);
+ if (rc) {
+ WARN(1, "xen_smp_intr_init() for CPU %d failed: %d\n",
+ cpu, rc);
+ return rc;
+ }
+ return 0;
}
-static struct notifier_block xen_hvm_cpu_notifier = {
- .notifier_call = xen_hvm_cpu_notify,
-};
+static int xen_cpu_dead(unsigned int cpu)
+{
+ xen_smp_intr_free(cpu);
+
+ if (xen_pv_domain() || xen_feature(XENFEAT_hvm_safe_pvclock))
+ xen_teardown_timer(cpu);
+
+ return 0;
+}
+
+static int xen_cpu_up_online(unsigned int cpu)
+{
+ xen_init_lock_cpu(cpu);
+ return 0;
+}
#ifdef CONFIG_KEXEC_CORE
static void xen_hvm_shutdown(void)
xen_panic_handler_init();
- if (xen_feature(XENFEAT_hvm_callback_vector))
- xen_have_vector_callback = 1;
+ BUG_ON(!xen_feature(XENFEAT_hvm_callback_vector));
+
xen_hvm_smp_init();
- register_cpu_notifier(&xen_hvm_cpu_notifier);
+ WARN_ON(xen_cpuhp_setup());
xen_unplug_emulated_devices();
x86_init.irqs.intr_init = xen_init_IRQ;
xen_hvm_init_time_ops();
return false;
if (!xen_hvm_domain())
return false;
- if (xen_feature(XENFEAT_hvm_pirqs) && xen_have_vector_callback)
+ if (xen_feature(XENFEAT_hvm_pirqs))
return false;
return true;
}
static int arch_gnttab_valloc(struct gnttab_vm_area *area, unsigned nr_frames)
{
- area->ptes = kmalloc(sizeof(pte_t *) * nr_frames, GFP_KERNEL);
+ area->ptes = kmalloc_array(nr_frames, sizeof(*area->ptes), GFP_KERNEL);
if (area->ptes == NULL)
return -ENOMEM;
}
break;
default:
- printk(KERN_WARNING "Xen Platform PCI: unknown I/O protocol version");
+ printk(KERN_WARNING "Xen Platform PCI: unknown I/O protocol version\n");
return XEN_PLATFORM_ERR_PROTOCOL;
}
return;
fail:
- pr_info_once("Could not initialize VPMU for cpu %d, error %d\n",
- cpu, err);
+ if (err == -EOPNOTSUPP || err == -ENOSYS)
+ pr_info_once("VPMU disabled by hypervisor.\n");
+ else
+ pr_info_once("Could not initialize VPMU for cpu %d, error %d\n",
+ cpu, err);
free_pages((unsigned long)xenpmu_data, 0);
}
cpu_data(cpu).x86_max_cores = 1;
set_cpu_sibling_map(cpu);
+ /*
+ * identify_cpu() may have set logical_pkg_id to -1 due
+ * to incorrect phys_proc_id. Let's re-comupte it.
+ */
+ topology_update_package_map(apic->cpu_present_to_apicid(cpu), cpu);
+
xen_setup_cpu_clockevents();
notify_cpu_starting(cpu);
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
}
-static void xen_smp_intr_free(unsigned int cpu)
+void xen_smp_intr_free(unsigned int cpu)
{
if (per_cpu(xen_resched_irq, cpu).irq >= 0) {
unbind_from_irqhandler(per_cpu(xen_resched_irq, cpu).irq, NULL);
per_cpu(xen_pmu_irq, cpu).name = NULL;
}
};
-static int xen_smp_intr_init(unsigned int cpu)
+int xen_smp_intr_init(unsigned int cpu)
{
int rc;
char *resched_name, *callfunc_name, *debug_name, *pmu_name;
common_cpu_up(cpu, idle);
xen_setup_runstate_info(cpu);
- xen_setup_timer(cpu);
- xen_init_lock_cpu(cpu);
/*
* PV VCPUs are always successfully taken down (see 'while' loop
xen_pmu_init(cpu);
- rc = xen_smp_intr_init(cpu);
- if (rc)
- return rc;
-
rc = HYPERVISOR_vcpu_op(VCPUOP_up, xen_vcpu_nr(cpu), NULL);
BUG_ON(rc);
xen_init_lock_cpu(0);
}
-static int xen_hvm_cpu_up(unsigned int cpu, struct task_struct *tidle)
-{
- int rc;
-
- /*
- * This can happen if CPU was offlined earlier and
- * offlining timed out in common_cpu_die().
- */
- if (cpu_report_state(cpu) == CPU_DEAD_FROZEN) {
- xen_smp_intr_free(cpu);
- xen_uninit_lock_cpu(cpu);
- }
-
- /*
- * xen_smp_intr_init() needs to run before native_cpu_up()
- * so that IPI vectors are set up on the booting CPU before
- * it is marked online in native_cpu_up().
- */
- rc = xen_smp_intr_init(cpu);
- WARN_ON(rc);
- if (!rc)
- rc = native_cpu_up(cpu, tidle);
-
- /*
- * We must initialize the slowpath CPU kicker _after_ the native
- * path has executed. If we initialized it before none of the
- * unlocker IPI kicks would reach the booting CPU as the booting
- * CPU had not set itself 'online' in cpu_online_mask. That mask
- * is checked when IPIs are sent (on HVM at least).
- */
- xen_init_lock_cpu(cpu);
- return rc;
-}
-
void __init xen_hvm_smp_init(void)
{
- if (!xen_have_vector_callback)
- return;
smp_ops.smp_prepare_cpus = xen_hvm_smp_prepare_cpus;
smp_ops.smp_send_reschedule = xen_smp_send_reschedule;
- smp_ops.cpu_up = xen_hvm_cpu_up;
smp_ops.cpu_die = xen_cpu_die;
smp_ops.send_call_func_ipi = xen_smp_send_call_function_ipi;
smp_ops.send_call_func_single_ipi = xen_smp_send_call_function_single_ipi;
#ifndef _XEN_SMP_H
+#ifdef CONFIG_SMP
extern void xen_send_IPI_mask(const struct cpumask *mask,
int vector);
extern void xen_send_IPI_mask_allbutself(const struct cpumask *mask,
extern void xen_send_IPI_all(int vector);
extern void xen_send_IPI_self(int vector);
+extern int xen_smp_intr_init(unsigned int cpu);
+extern void xen_smp_intr_free(unsigned int cpu);
+
+#else /* CONFIG_SMP */
+
+static inline int xen_smp_intr_init(unsigned int cpu)
+{
+ return 0;
+}
+static inline void xen_smp_intr_free(unsigned int cpu) {}
+#endif /* CONFIG_SMP */
+
#ifdef CONFIG_XEN_PVH
extern void xen_pvh_early_cpu_init(int cpu, bool entry);
#else
void __init xen_hvm_init_time_ops(void)
{
- /* vector callback is needed otherwise we cannot receive interrupts
- * on cpu > 0 and at this point we don't know how many cpus are
- * available */
- if (!xen_have_vector_callback)
- return;
if (!xen_feature(XENFEAT_hvm_safe_pvclock)) {
printk(KERN_INFO "Xen doesn't support pvclock on HVM,"
"disable pv timer\n");
if (!VALID_EVTCHN(evtchn))
return -1;
- if (!xen_support_evtchn_rebind())
- return -1;
-
/* Send future instances of this interrupt to other vcpu. */
bind_vcpu.port = evtchn;
bind_vcpu.vcpu = xen_vcpu_nr(tcpu);
{
int rc;
uint64_t callback_via;
- if (xen_have_vector_callback) {
- callback_via = HVM_CALLBACK_VECTOR(HYPERVISOR_CALLBACK_VECTOR);
- rc = xen_set_callback_via(callback_via);
- if (rc) {
- pr_err("Request for Xen HVM callback vector failed\n");
- xen_have_vector_callback = 0;
- return;
- }
- pr_info("Xen HVM callback vector for event delivery is enabled\n");
- /* in the restore case the vector has already been allocated */
- if (!test_bit(HYPERVISOR_CALLBACK_VECTOR, used_vectors))
- alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR,
- xen_hvm_callback_vector);
- }
+
+ callback_via = HVM_CALLBACK_VECTOR(HYPERVISOR_CALLBACK_VECTOR);
+ rc = xen_set_callback_via(callback_via);
+ BUG_ON(rc);
+ pr_info("Xen HVM callback vector for event delivery is enabled\n");
+ /* in the restore case the vector has already been allocated */
+ if (!test_bit(HYPERVISOR_CALLBACK_VECTOR, used_vectors))
+ alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR,
+ xen_hvm_callback_vector);
}
#else
void xen_callback_vector(void) {}
return ret;
}
-static int evtchn_fifo_cpu_notification(struct notifier_block *self,
- unsigned long action,
- void *hcpu)
+static int xen_evtchn_cpu_prepare(unsigned int cpu)
{
- int cpu = (long)hcpu;
- int ret = 0;
-
- switch (action) {
- case CPU_UP_PREPARE:
- if (!per_cpu(cpu_control_block, cpu))
- ret = evtchn_fifo_alloc_control_block(cpu);
- break;
- case CPU_DEAD:
- __evtchn_fifo_handle_events(cpu, true);
- break;
- default:
- break;
- }
- return ret < 0 ? NOTIFY_BAD : NOTIFY_OK;
+ if (!per_cpu(cpu_control_block, cpu))
+ return evtchn_fifo_alloc_control_block(cpu);
+ return 0;
}
-static struct notifier_block evtchn_fifo_cpu_notifier = {
- .notifier_call = evtchn_fifo_cpu_notification,
-};
+static int xen_evtchn_cpu_dead(unsigned int cpu)
+{
+ __evtchn_fifo_handle_events(cpu, true);
+ return 0;
+}
int __init xen_evtchn_fifo_init(void)
{
evtchn_ops = &evtchn_ops_fifo;
- register_cpu_notifier(&evtchn_fifo_cpu_notifier);
+ cpuhp_setup_state_nocalls(CPUHP_XEN_EVTCHN_PREPARE,
+ "CPUHP_XEN_EVTCHN_PREPARE",
+ xen_evtchn_cpu_prepare, xen_evtchn_cpu_dead);
out:
put_cpu();
return ret;
static unsigned long platform_mmio;
static unsigned long platform_mmio_alloc;
static unsigned long platform_mmiolen;
-static uint64_t callback_via;
static unsigned long alloc_xen_mmio(unsigned long len)
{
return addr;
}
-static uint64_t get_callback_via(struct pci_dev *pdev)
-{
- u8 pin;
- int irq;
-
- irq = pdev->irq;
- if (irq < 16)
- return irq; /* ISA IRQ */
-
- pin = pdev->pin;
-
- /* We don't know the GSI. Specify the PCI INTx line instead. */
- return ((uint64_t)0x01 << 56) | /* PCI INTx identifier */
- ((uint64_t)pci_domain_nr(pdev->bus) << 32) |
- ((uint64_t)pdev->bus->number << 16) |
- ((uint64_t)(pdev->devfn & 0xff) << 8) |
- ((uint64_t)(pin - 1) & 3);
-}
-
-static irqreturn_t do_hvm_evtchn_intr(int irq, void *dev_id)
-{
- xen_hvm_evtchn_do_upcall();
- return IRQ_HANDLED;
-}
-
-static int xen_allocate_irq(struct pci_dev *pdev)
-{
- return request_irq(pdev->irq, do_hvm_evtchn_intr,
- IRQF_NOBALANCING | IRQF_TRIGGER_RISING,
- "xen-platform-pci", pdev);
-}
-
-static int platform_pci_resume(struct pci_dev *pdev)
-{
- int err;
- if (xen_have_vector_callback)
- return 0;
- err = xen_set_callback_via(callback_via);
- if (err) {
- dev_err(&pdev->dev, "platform_pci_resume failure!\n");
- return err;
- }
- return 0;
-}
-
static int platform_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
platform_mmio = mmio_addr;
platform_mmiolen = mmio_len;
- if (!xen_have_vector_callback) {
- ret = xen_allocate_irq(pdev);
- if (ret) {
- dev_warn(&pdev->dev, "request_irq failed err=%d\n", ret);
- goto out;
- }
- callback_via = get_callback_via(pdev);
- ret = xen_set_callback_via(callback_via);
- if (ret) {
- dev_warn(&pdev->dev, "Unable to set the evtchn callback "
- "err=%d\n", ret);
- goto out;
- }
- }
-
max_nr_gframes = gnttab_max_grant_frames();
grant_frames = alloc_xen_mmio(PAGE_SIZE * max_nr_gframes);
ret = gnttab_setup_auto_xlat_frames(grant_frames);
.name = DRV_NAME,
.probe = platform_pci_probe,
.id_table = platform_pci_tbl,
-#ifdef CONFIG_PM
- .resume_early = platform_pci_resume,
-#endif
};
static int __init platform_pci_init(void)
.attrs = xen_compile_attrs,
};
-static int __init xen_compilation_init(void)
+static int __init xen_sysfs_compilation_init(void)
{
return sysfs_create_group(hypervisor_kobj, &xen_compilation_group);
}
.attrs = xen_properties_attrs,
};
-static int __init xen_properties_init(void)
+static int __init xen_sysfs_properties_init(void)
{
return sysfs_create_group(hypervisor_kobj, &xen_properties_group);
}
.attrs = xen_pmu_attrs,
};
-static int __init xen_pmu_init(void)
+static int __init xen_sysfs_pmu_init(void)
{
return sysfs_create_group(hypervisor_kobj, &xen_pmu_group);
}
ret = xen_sysfs_version_init();
if (ret)
goto version_out;
- ret = xen_compilation_init();
+ ret = xen_sysfs_compilation_init();
if (ret)
goto comp_out;
ret = xen_sysfs_uuid_init();
if (ret)
goto uuid_out;
- ret = xen_properties_init();
+ ret = xen_sysfs_properties_init();
if (ret)
goto prop_out;
#ifdef CONFIG_XEN_HAVE_VPMU
if (xen_initial_domain()) {
- ret = xen_pmu_init();
+ ret = xen_sysfs_pmu_init();
if (ret) {
sysfs_remove_group(hypervisor_kobj,
&xen_properties_group);
#include "conf_space.h"
#include "conf_space_quirks.h"
+#define PCISTUB_DRIVER_NAME "pciback"
+
static char *pci_devs_to_hide;
wait_queue_head_t xen_pcibk_aer_wait_queue;
/*Add sem for sync AER handling and xen_pcibk remove/reconfigue ops,
kref_put(&psdev->kref, pcistub_device_release);
}
-static struct pcistub_device *pcistub_device_find(int domain, int bus,
- int slot, int func)
+static struct pcistub_device *pcistub_device_find_locked(int domain, int bus,
+ int slot, int func)
{
- struct pcistub_device *psdev = NULL;
- unsigned long flags;
-
- spin_lock_irqsave(&pcistub_devices_lock, flags);
+ struct pcistub_device *psdev;
list_for_each_entry(psdev, &pcistub_devices, dev_list) {
if (psdev->dev != NULL
&& bus == psdev->dev->bus->number
&& slot == PCI_SLOT(psdev->dev->devfn)
&& func == PCI_FUNC(psdev->dev->devfn)) {
- pcistub_device_get(psdev);
- goto out;
+ return psdev;
}
}
- /* didn't find it */
- psdev = NULL;
+ return NULL;
+}
+
+static struct pcistub_device *pcistub_device_find(int domain, int bus,
+ int slot, int func)
+{
+ struct pcistub_device *psdev;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pcistub_devices_lock, flags);
+
+ psdev = pcistub_device_find_locked(domain, bus, slot, func);
+ if (psdev)
+ pcistub_device_get(psdev);
-out:
spin_unlock_irqrestore(&pcistub_devices_lock, flags);
return psdev;
}
spin_lock_irqsave(&pcistub_devices_lock, flags);
- list_for_each_entry(psdev, &pcistub_devices, dev_list) {
- if (psdev->dev != NULL
- && domain == pci_domain_nr(psdev->dev->bus)
- && bus == psdev->dev->bus->number
- && slot == PCI_SLOT(psdev->dev->devfn)
- && func == PCI_FUNC(psdev->dev->devfn)) {
- found_dev = pcistub_device_get_pci_dev(pdev, psdev);
- break;
- }
- }
+ psdev = pcistub_device_find_locked(domain, bus, slot, func);
+ if (psdev)
+ found_dev = pcistub_device_get_pci_dev(pdev, psdev);
spin_unlock_irqrestore(&pcistub_devices_lock, flags);
return found_dev;
return 0;
}
-static int pcistub_seize(struct pci_dev *dev)
+static void pcistub_device_id_add_list(struct pcistub_device_id *new,
+ int domain, int bus, unsigned int devfn)
+{
+ struct pcistub_device_id *pci_dev_id;
+ unsigned long flags;
+ int found = 0;
+
+ spin_lock_irqsave(&device_ids_lock, flags);
+
+ list_for_each_entry(pci_dev_id, &pcistub_device_ids, slot_list) {
+ if (pci_dev_id->domain == domain && pci_dev_id->bus == bus &&
+ pci_dev_id->devfn == devfn) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (!found) {
+ new->domain = domain;
+ new->bus = bus;
+ new->devfn = devfn;
+ list_add_tail(&new->slot_list, &pcistub_device_ids);
+ }
+
+ spin_unlock_irqrestore(&device_ids_lock, flags);
+
+ if (found)
+ kfree(new);
+}
+
+static int pcistub_seize(struct pci_dev *dev,
+ struct pcistub_device_id *pci_dev_id)
{
struct pcistub_device *psdev;
unsigned long flags;
int err = 0;
psdev = pcistub_device_alloc(dev);
- if (!psdev)
+ if (!psdev) {
+ kfree(pci_dev_id);
return -ENOMEM;
+ }
spin_lock_irqsave(&pcistub_devices_lock, flags);
spin_unlock_irqrestore(&pcistub_devices_lock, flags);
- if (err)
+ if (err) {
+ kfree(pci_dev_id);
pcistub_device_put(psdev);
+ } else if (pci_dev_id)
+ pcistub_device_id_add_list(pci_dev_id, pci_domain_nr(dev->bus),
+ dev->bus->number, dev->devfn);
return err;
}
* other functions that take the sysfs lock. */
static int pcistub_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
- int err = 0;
+ int err = 0, match;
+ struct pcistub_device_id *pci_dev_id = NULL;
dev_dbg(&dev->dev, "probing...\n");
- if (pcistub_match(dev)) {
+ match = pcistub_match(dev);
+
+ if ((dev->driver_override &&
+ !strcmp(dev->driver_override, PCISTUB_DRIVER_NAME)) ||
+ match) {
if (dev->hdr_type != PCI_HEADER_TYPE_NORMAL
&& dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) {
goto out;
}
+ if (!match) {
+ pci_dev_id = kmalloc(sizeof(*pci_dev_id), GFP_ATOMIC);
+ if (!pci_dev_id) {
+ err = -ENOMEM;
+ goto out;
+ }
+ }
+
dev_info(&dev->dev, "seizing device\n");
- err = pcistub_seize(dev);
+ err = pcistub_seize(dev, pci_dev_id);
} else
/* Didn't find the device */
err = -ENODEV;
static struct pci_driver xen_pcibk_pci_driver = {
/* The name should be xen_pciback, but until the tools are updated
* we will keep it as pciback. */
- .name = "pciback",
+ .name = PCISTUB_DRIVER_NAME,
.id_table = pcistub_ids,
.probe = pcistub_probe,
.remove = pcistub_remove,
static int pcistub_device_id_add(int domain, int bus, int slot, int func)
{
struct pcistub_device_id *pci_dev_id;
- unsigned long flags;
int rc = 0, devfn = PCI_DEVFN(slot, func);
if (slot < 0) {
if (!pci_dev_id)
return -ENOMEM;
- pci_dev_id->domain = domain;
- pci_dev_id->bus = bus;
- pci_dev_id->devfn = devfn;
-
pr_debug("wants to seize %04x:%02x:%02x.%d\n",
domain, bus, slot, func);
- spin_lock_irqsave(&device_ids_lock, flags);
- list_add_tail(&pci_dev_id->slot_list, &pcistub_device_ids);
- spin_unlock_irqrestore(&device_ids_lock, flags);
+ pcistub_device_id_add_list(pci_dev_id, domain, bus, devfn);
return 0;
}
CPUHP_CPUIDLE_COUPLED_PREPARE,
CPUHP_POWERPC_PMAC_PREPARE,
CPUHP_POWERPC_MMU_CTX_PREPARE,
+ CPUHP_XEN_PREPARE,
+ CPUHP_XEN_EVTCHN_PREPARE,
CPUHP_NOTIFY_PREPARE,
CPUHP_ARM_SHMOBILE_SCU_PREPARE,
CPUHP_SH_SH3X_PREPARE,
*/
#include <xen/features.h>
#define xen_pvh_domain() (xen_pv_domain() && \
- xen_feature(XENFEAT_auto_translated_physmap) && \
- xen_have_vector_callback)
+ xen_feature(XENFEAT_auto_translated_physmap))
#else
#define xen_pvh_domain() (0)
#endif
projects / cascardo / linux.git / commitdiff