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Re: xentrace buffer size, maxcpus and online cpus
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Olaf Hering <olaf@xxxxxxxxx>
- Date: Mon, 19 Jun 2023 12:16:36 +0200
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- Cc: George Dunlap <george.dunlap@xxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Juergen Gross <jgross@xxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>
- Delivery-date: Mon, 19 Jun 2023 10:16:52 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Fri, 16 Jun 2023 17:08:25 +0100 Andrew Cooper <andrew.cooper3@xxxxxxxxxx>:
> XENMEM_acquire_resource is a new mapping interface with far more sane
> semantics which, amongst other things, will work in PVH guests too.
Does that indicate xentrace will not work in a PVH dom0?
I will have a look how XENMEM_acquire_resource is used in other places.
The resulting change will likely be too intrusive for 4.18.
Olaf
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