KVM: x86: Use static_call() for copy/move encryption context ioctls()

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Define and use static_call()s for .vm_{copy,move}_enc_context_from(),
mostly so that the op is defined in kvm-x86-ops.h.  This will allow using
KVM_X86_OP in vendor code to wire up the implementation.  Any performance
gains eeked out by using static_call() is a happy bonus and not the
primary motiviation.

Opportunistically refactor the code to reduce indentation and keep line
lengths reasonable, and to be consistent when wrapping versus running
a bit over the 80 char soft limit.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220128005208.4008533-12-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2022-01-28 00:51:57 +00:00 • committed by Paolo Bonzini

parent dfc4e6ca04

commit 7ad02ef0da

2 changed files with 12 additions and 7 deletions

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2

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

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17

arch/x86/kvm/x86.c

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