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hypervisor: x86: Emulator is only needed on mshv, not kvm

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On x86-64, when the underlying hypervisor platform is KVM, no
instruction emulator is necessary. KVM handles instruction boundaries
internally.

This change allows to skip the iced-x86 dependency on KVM, improving
build times, prunes the dependency graph and reduces network traffic
during the initial build.

For Hyper-V, the emulator is still necessary on x86-64, so nothing
changes there.

Signed-off-by: Christian Blichmann <cblichmann@google.com>
This commit is contained in:
Christian Blichmann
2023-06-30 11:10:05 +02:00
committed by Rob Bradford
parent 2f70800e91
commit b6d009830d
2 changed files with 3 additions and 1 deletions
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hypervisor/src/arch/x86/mod.rs
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@@ -11,6 +11,7 @@
// Copyright © 2020, Microsoft Corporation
//
#[cfg(all(feature = "mshv", target_arch = "x86_64"))]
pub mod emulator;
pub mod gdt;
#[allow(non_camel_case_types)]