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Re: [PATCH 4/6] kvm/i386: Avoid multiple calls to check_extension(KVM_CA
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From: |
Alexander Graf |
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Subject: |
Re: [PATCH 4/6] kvm/i386: Avoid multiple calls to check_extension(KVM_CAP_HYPERV) |
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Date: |
Tue, 8 Jun 2021 10:28:00 +0200 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:90.0) Gecko/20100101 Thunderbird/90.0 |
On 24.05.21 21:54, Siddharth Chandrasekaran wrote:
KVM_CAP_HYPERV is a VM ioctl and can be cached at kvm_arch_init()
instead of performing an ioctl each time in hyperv_enabled() which is
called foreach vCPU. Apart from that, this variable will come in handy
in a subsequent patch.
Signed-off-by: Siddharth Chandrasekaran <sidcha@amazon.de>
Reviewed-by: Alexander Graf <graf@amazon.com>
Alex
Amazon Development Center Germany GmbH
Krausenstr. 38
10117 Berlin
Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss
Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B
Sitz: Berlin
Ust-ID: DE 289 237 879
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