From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [PATCH v2 0/3] i386: Add support for Hyper-V Enlightened MSR-Bitmap and XMM fast hypercall input features
Date: Sun, 06 Mar 2022 12:03:55 +0100 [thread overview]
Message-ID: <8735jvbaw4.fsf@redhat.com> (raw)
In-Reply-To: <20220217142949.297454-1-vkuznets@redhat.com>
Vitaly Kuznetsov <vkuznets@redhat.com> writes:
> 'XMM fast hypercall input feature' is supported by KVM since v5.14,
> it allows for faster Hyper-V hypercall processing.
>
> 'Enlightened MSR-Bitmap' is a new nested specific enlightenment speeds up
> L2 vmexits by avoiding unnecessary updates to L2 MSR-Bitmap. KVM support
> for the feature on Intel CPUs is coming in v5.17 and is queued for 5.18 for
> AMD CPUs.
>
Gentle ping) It seems the time is running out to get this in 7.0...
--
Vitaly
prev parent reply other threads:[~2022-03-06 11:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-17 14:29 [PATCH v2 0/3] i386: Add support for Hyper-V Enlightened MSR-Bitmap and XMM fast hypercall input features Vitaly Kuznetsov
2022-02-17 14:29 ` [PATCH v2 1/3] i386: Use hv_build_cpuid_leaf() for HV_CPUID_NESTED_FEATURES Vitaly Kuznetsov
2022-02-17 14:29 ` [PATCH v2 2/3] i386: Hyper-V Enlightened MSR bitmap feature Vitaly Kuznetsov
2022-02-17 14:29 ` [PATCH v2 3/3] i386: Hyper-V XMM fast hypercall input feature Vitaly Kuznetsov
2022-03-06 11:03 ` Vitaly Kuznetsov [this message]
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