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Re: [Xen-devel] [PATCH v1] libxl: remove limit for default number of event channels

To: Olaf Hering <olaf@xxxxxxxxx>
From: Ian Jackson <ian.jackson@xxxxxxxxxx>
Date: Fri, 27 Mar 2020 14:27:46 +0000
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Cc: Anthony Perard <anthony.perard@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
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List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Olaf Hering writes ("[PATCH v1] libxl: remove limit for default number of event 
channels"):
> The imposed limit of 1023 is too low for a three digit value of vcpus.
> Remove the arbitrary value of 1023 and let Xen decide about the upper limit.

This seems likely to be right, but: what is the default in Xen ?  Is
it sufficiently tight to stop a guest using too many resources ?

Ian.

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  - From: Olaf Hering

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