KVM: x86: Add static calls for nested virtualization ops

Browse source

Use static calls to invoke nested virtualization ops, as many of the calls
are in relatively hot paths when L2 is active, e.g. checking for events,
and because there's no reason not use static calls these days.

Opportunistically use a RET0 static call for get_evmcs_version() instead
of manually checking for a non-NULL vendor hook.

Link: https://patch.msgid.link/20260630202828.440724-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

...

This commit is contained in:

Sean Christopherson 2026-06-30 13:28:27 -07:00

parent b65699be2c

commit 4b9819a506

7 changed files with 86 additions and 27 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

36

arch/x86/include/asm/kvm-x86-nested-ops.h

View file

8

arch/x86/include/asm/kvm_host.h

View file

7

arch/x86/kvm/hyperv.c

View file

5

arch/x86/kvm/mmu.h

View file

2

arch/x86/kvm/mmu/paging_tmpl.h

View file

53

arch/x86/kvm/x86.c

View file

2

arch/x86/kvm/x86.h

View file