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| From: | Paolo Bonzini |
| Subject: | Re: Optimized clocksource with AMD AVIC enabled for Windows guest |
| Date: | Thu, 4 Feb 2021 14:35:12 +0100 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 |
On 04/02/21 13:24, Vitaly Kuznetsov wrote:
I checked Linux VMs on genuine Hyper-V and surprisingly 'HV_DEPRECATING_AEOI_RECOMMENDED' is not exposed.
Did the host have APICv/AVIC (and can Hyper-V use AVIC)? AutoEOI is still a useful optimization on hosts that don't have hardware-accelerated EOI or interrupt injection.
Paolo
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