On Thu, 01/22 15:47, Paolo Bonzini wrote:
> Asynchronous callbacks provided by call_rcu are particularly important
> for QEMU, because the BQL makes it hard to use synchronize_rcu.
>
> In addition, the current RCU implementation is not particularly friendly
> to multiple concurrent synchronize_rcu
Asynchronous callbacks provided by call_rcu are particularly important
for QEMU, because the BQL makes it hard to use synchronize_rcu.
In addition, the current RCU implementation is not particularly friendly
to multiple concurrent synchronize_rcu callers, making call_rcu even
more important.
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