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Re: [Qemu-devel] [PATCH v2] block: Switch to host monotonic clock for IO
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH v2] block: Switch to host monotonic clock for IO throttling |
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Date: |
Tue, 24 Mar 2015 13:29:43 +0000 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Mar 24, 2015 at 09:17:38AM +0800, Fam Zheng wrote:
> Alberto saw that this patch also fixes the odd behavior: block jobs, which
> need
> to R/W a throttled BDS, will not make progress if VCPU is not running. If we
> don't consider this as a bug, we should document the inconsistency
> (confusion):
> if no throttling, they DO make progress after VCPU stopped.
This is a strong justification for the patch. Please make this the main
point in the commit description.
Stefan
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