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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [Qemu-block] [PATCH 1/5] blockjob: do not allow coroutine double entry or entry-after-completion |
Date: | Mon, 20 Nov 2017 23:25:37 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 |
On 20/11/2017 12:16, Stefan Hajnoczi wrote: > This raises questions about the ability to cancel sleep: > > 1. Does something depend on cancelling sleep? block_job_cancel does, but in practice the sleep time is so small (smaller than SLICE_TIME, which is 100 ms) that we probably don't care. I agree with Jeff that canceling the sleep by force-entering the coroutine seemed clever but is probably a very bad idea. Paolo
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