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eventfd: simplify eventfd_signal()

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Ever since the eventfd type was introduced back in 2007 in commit
e1ad7468c7 ("signal/timer/event: eventfd core") the eventfd_signal()
function only ever passed 1 as a value for @n. There's no point in
keeping that additional argument.

Link: https://lore.kernel.org/r/20231122-vfs-eventfd-signal-v2-2-bd549b14ce0c@kernel.org
Acked-by: Xu Yilun <yilun.xu@intel.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com> # ocxl
Acked-by: Eric Farman <farman@linux.ibm.com>  # s390
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2023-11-22 13:48:23 +01:00
parent 8588487192
commit 3652117f85
30 changed files with 61 additions and 64 deletions
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4
virt/kvm/eventfd.c
View File

@@ -61,7 +61,7 @@ static void irqfd_resampler_notify(struct kvm_kernel_irqfd_resampler *resampler)
list_for_each_entry_srcu(irqfd, &resampler->list, resampler_link,
srcu_read_lock_held(&resampler->kvm->irq_srcu))
eventfd_signal(irqfd->resamplefd, 1);
eventfd_signal(irqfd->resamplefd);
}
/*
@@ -786,7 +786,7 @@ ioeventfd_write(struct kvm_vcpu *vcpu, struct kvm_io_device *this, gpa_t addr,
if (!ioeventfd_in_range(p, addr, len, val))
return -EOPNOTSUPP;
eventfd_signal(p->eventfd, 1);
eventfd_signal(p->eventfd);
return 0;
}