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[PATCH 0/3] x86/vPMU: adjustements to vendor hooks treatment


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Mon, 29 Nov 2021 10:08:37 +0100
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>
  • Delivery-date: Mon, 29 Nov 2021 09:08:52 +0000
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In the context of [1] the 1st patch will be of interest, whereas the
other changes are a result of observations while doing that conversion.

1: convert vendor hook invocations to altcall
2: invoke <vendor>_vpmu_initialise() through a hook as well
3: move vpmu_ops to .init.data

Jan

[1] https://lists.xen.org/archives/html/xen-devel/2021-11/msg01822.html




 


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