jchzhou/kernel-sophgo-sg2044-revyos-6.17-src
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Merge branch 'kvm-6.15-rc2-fixes' into HEAD

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This commit is contained in:
Paolo Bonzini
2025-04-04 07:07:54 -04:00
parent 39c572247e bc52ae0a70
commit b6262dd695
8 changed files with 52 additions and 20 deletions
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2
virt/kvm/Kconfig
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@@ -75,7 +75,7 @@ config KVM_COMPAT
depends on KVM && COMPAT && !(S390 || ARM64 || RISCV)
config HAVE_KVM_IRQ_BYPASS
bool
tristate
select IRQ_BYPASS_MANAGER
config HAVE_KVM_VCPU_ASYNC_IOCTL

10
virt/kvm/eventfd.c
View File

@@ -149,7 +149,7 @@ irqfd_shutdown(struct work_struct *work)
/*
* It is now safe to release the object's resources
*/
#ifdef CONFIG_HAVE_KVM_IRQ_BYPASS
#if IS_ENABLED(CONFIG_HAVE_KVM_IRQ_BYPASS)
irq_bypass_unregister_consumer(&irqfd->consumer);
#endif
eventfd_ctx_put(irqfd->eventfd);
@@ -274,7 +274,7 @@ static void irqfd_update(struct kvm *kvm, struct kvm_kernel_irqfd *irqfd)
write_seqcount_end(&irqfd->irq_entry_sc);
}
#ifdef CONFIG_HAVE_KVM_IRQ_BYPASS
#if IS_ENABLED(CONFIG_HAVE_KVM_IRQ_BYPASS)
void __attribute__((weak)) kvm_arch_irq_bypass_stop(
struct irq_bypass_consumer *cons)
{
@@ -424,7 +424,7 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
if (events & EPOLLIN)
schedule_work(&irqfd->inject);
#ifdef CONFIG_HAVE_KVM_IRQ_BYPASS
#if IS_ENABLED(CONFIG_HAVE_KVM_IRQ_BYPASS)
if (kvm_arch_has_irq_bypass()) {
irqfd->consumer.token = (void *)irqfd->eventfd;
irqfd->consumer.add_producer = kvm_arch_irq_bypass_add_producer;
@@ -609,14 +609,14 @@ void kvm_irq_routing_update(struct kvm *kvm)
spin_lock_irq(&kvm->irqfds.lock);
list_for_each_entry(irqfd, &kvm->irqfds.items, list) {
#ifdef CONFIG_HAVE_KVM_IRQ_BYPASS
#if IS_ENABLED(CONFIG_HAVE_KVM_IRQ_BYPASS)
/* Under irqfds.lock, so can read irq_entry safely */
struct kvm_kernel_irq_routing_entry old = irqfd->irq_entry;
#endif
irqfd_update(kvm, irqfd);
#ifdef CONFIG_HAVE_KVM_IRQ_BYPASS
#if IS_ENABLED(CONFIG_HAVE_KVM_IRQ_BYPASS)
if (irqfd->producer &&
kvm_arch_irqfd_route_changed(&old, &irqfd->irq_entry)) {
int ret = kvm_arch_update_irqfd_routing(