diff options
| -rw-r--r-- | arch/x86/include/asm/mshyperv.h | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mshyperv.c | 6 | ||||
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 26 |
3 files changed, 11 insertions, 25 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index e98f66f35635..c163215abb9a 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -17,7 +17,7 @@ void hyperv_callback_vector(void); #define trace_hyperv_callback_vector hyperv_callback_vector #endif void hyperv_vector_handler(struct pt_regs *regs); -int hv_setup_vmbus_irq(int irq, irq_handler_t handler, void *dev_id); -void hv_remove_vmbus_irq(int irq, void *dev_id); +void hv_setup_vmbus_irq(void (*handler)(void)); +void hv_remove_vmbus_irq(void); #endif diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index a6f5f351f7af..b4dcca124918 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -32,7 +32,7 @@ struct ms_hyperv_info ms_hyperv; EXPORT_SYMBOL_GPL(ms_hyperv); #if IS_ENABLED(CONFIG_HYPERV) -static irq_handler_t vmbus_handler; +static void (*vmbus_handler)(void); void hyperv_vector_handler(struct pt_regs *regs) { @@ -49,7 +49,7 @@ void hyperv_vector_handler(struct pt_regs *regs) set_irq_regs(old_regs); } -int hv_setup_vmbus_irq(int irq, irq_handler_t handler, void *dev_id) +void hv_setup_vmbus_irq(void (*handler)(void)) { vmbus_handler = handler; /* @@ -61,7 +61,7 @@ int hv_setup_vmbus_irq(int irq, irq_handler_t handler, void *dev_id) hyperv_callback_vector); } -void hv_remove_vmbus_irq(int irq, void *dev_id) +void hv_remove_vmbus_irq(void) { /* We have no way to deallocate the interrupt gate */ vmbus_handler = NULL; diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 5a6909fff1c1..3f0a95290e14 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -615,7 +615,7 @@ static void vmbus_on_msg_dpc(unsigned long data) } } -static irqreturn_t vmbus_isr(int irq, void *dev_id) +static void vmbus_isr(void) { int cpu = smp_processor_id(); void *page_addr; @@ -625,7 +625,7 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id) page_addr = hv_context.synic_event_page[cpu]; if (page_addr == NULL) - return IRQ_NONE; + return; event = (union hv_synic_event_flags *)page_addr + VMBUS_MESSAGE_SINT; @@ -661,15 +661,8 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id) msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT; /* Check if there are actual msgs to be processed */ - if (msg->header.message_type != HVMSG_NONE) { - handled = true; + if (msg->header.message_type != HVMSG_NONE) tasklet_schedule(&msg_dpc); - } - - if (handled) - return IRQ_HANDLED; - else - return IRQ_NONE; } /* @@ -698,12 +691,7 @@ static int vmbus_bus_init(int irq) if (ret) goto err_cleanup; - ret = hv_setup_vmbus_irq(irq, vmbus_isr, hv_acpi_dev); - - if (ret != 0) { - pr_err("Unable to request IRQ %d\n", irq); - goto err_unregister; - } + hv_setup_vmbus_irq(vmbus_isr); ret = hv_synic_alloc(); if (ret) @@ -723,9 +711,8 @@ static int vmbus_bus_init(int irq) err_alloc: hv_synic_free(); - hv_remove_vmbus_irq(irq, hv_acpi_dev); + hv_remove_vmbus_irq(); -err_unregister: bus_unregister(&hv_bus); err_cleanup: @@ -917,7 +904,6 @@ static int __init hv_acpi_init(void) /* * Get irq resources first. */ - ret = acpi_bus_register_driver(&vmbus_acpi_driver); if (ret) @@ -948,7 +934,7 @@ cleanup: static void __exit vmbus_exit(void) { - hv_remove_vmbus_irq(irq, hv_acpi_dev); + hv_remove_vmbus_irq(); vmbus_free_channels(); bus_unregister(&hv_bus); hv_cleanup(); |