This boring patchset introduces a struct x86_exception to represent an
exception, and uses it to communicate between the emulator and the rest
of kvm. The primary benefit is that we can now pass a #GP from kvm into
the emulator, not just #PFs.
I'd like to also fold vcpu->arch.fault into struct x86_exception, but that's
more difficult, so deferred until later.
Avi Kivity (7):
KVM: x86 emulator: introduce struct x86_exception to communicate
faults
KVM: x86 emulator: make emulator memory callbacks return full
exception
KVM: x86 emulator: drop dead pf injection in emulate_popf()
KVM: x86 emulator: tighen up ->read_std() and ->write_std() error
checks
KVM: x86 emulator: simplify exception generation
KVM: Push struct x86_exception info the various gva_to_gpa variants
KVM: Push struct x86_exception into walk_addr()
arch/x86/include/asm/kvm_emulate.h | 26 +++--
arch/x86/include/asm/kvm_host.h | 14 ++-
arch/x86/kvm/emulate.c | 243 ++++++++++++++----------------------
arch/x86/kvm/mmu.c | 13 +-
arch/x86/kvm/paging_tmpl.h | 31 +++--
arch/x86/kvm/x86.c | 97 ++++++++-------
6 files changed, 195 insertions(+), 229 deletions(-)
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