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Drivers: hv: vmbus: Remove vmbus_irq_initialized

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vmbus_irq_initialized is only true if the registration of the per-CPU
threads succeeded. If it failed, the whole registration aborts and the
vmbus_exit() path is never called.

Remove vmbus_irq_initialized.

Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Sebastian Andrzej Siewior
2026-07-22 23:51:19 +00:00
committed by Wei Liu
parent 8c7ab779c8
commit 66688e655d
1 changed files with 4 additions and 10 deletions
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drivers/hv/vmbus_drv.c
+4 -10
View File
@@ -1369,8 +1369,6 @@ static void run_vmbus_irqd(unsigned int cpu)
__vmbus_isr();
}
static bool vmbus_irq_initialized;
static struct smp_hotplug_thread vmbus_irq_threads = {
.store = &vmbus_irqd,
.setup = vmbus_irqd_setup,
@@ -1497,11 +1495,10 @@ static int vmbus_bus_init(void)
* the VMbus interrupt handler.
*/
if (IS_ENABLED(CONFIG_PREEMPT_RT) && !vmbus_irq_initialized) {
if (IS_ENABLED(CONFIG_PREEMPT_RT)) {
ret = smpboot_register_percpu_thread(&vmbus_irq_threads);
if (ret)
goto err_kthread;
vmbus_irq_initialized = true;
}
if (vmbus_irq == -1) {
@@ -1545,10 +1542,8 @@ err_connect:
else
free_percpu_irq(vmbus_irq, &vmbus_evt);
err_setup:
if (IS_ENABLED(CONFIG_PREEMPT_RT) && vmbus_irq_initialized) {
if (IS_ENABLED(CONFIG_PREEMPT_RT))
smpboot_unregister_percpu_thread(&vmbus_irq_threads);
vmbus_irq_initialized = false;
}
err_kthread:
bus_unregister(&hv_bus);
return ret;
@@ -3046,10 +3041,9 @@ static void __exit vmbus_exit(void)
hv_remove_vmbus_handler();
else
free_percpu_irq(vmbus_irq, &vmbus_evt);
if (IS_ENABLED(CONFIG_PREEMPT_RT) && vmbus_irq_initialized) {
if (IS_ENABLED(CONFIG_PREEMPT_RT))
smpboot_unregister_percpu_thread(&vmbus_irq_threads);
vmbus_irq_initialized = false;
}
for_each_online_cpu(cpu) {
struct hv_per_cpu_context *hv_cpu
= per_cpu_ptr(hv_context.cpu_context, cpu);