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Re: [Qemu-devel] [PATCH] [RFC] Convert Qemu Timer List and Active Timers
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From: |
Alex Bligh |
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Subject: |
Re: [Qemu-devel] [PATCH] [RFC] Convert Qemu Timer List and Active Timers to RCU |
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Date: |
Thu, 13 Feb 2014 12:57:52 +0000 |
On 13 Feb 2014, at 12:06, Mike Day wrote:
>> I think that, more than contention, it tries to reduce the cost of
>> synchronization primitives, especially the locking and unlocking of the list
>> around the invocation of timer callbacks.
>
> Yes, the assumption is that the active timers are a read-mostly list,
> so rcu is a win.
Thanks - I'll have a look through.
--
Alex Bligh