x86: KVM guest: add basic paravirt support
Add basic KVM paravirt support. Avoid vm-exits on IO delays. Signed-off-by:Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by:
Avi Kivity <avi@qumranet.com>
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- arch/x86/Kconfig 8 additions, 0 deletionsarch/x86/Kconfig
- arch/x86/kernel/Makefile 1 addition, 0 deletionsarch/x86/kernel/Makefile
- arch/x86/kernel/kvm.c 52 additions, 0 deletionsarch/x86/kernel/kvm.c
- arch/x86/kernel/setup_32.c 1 addition, 0 deletionsarch/x86/kernel/setup_32.c
- arch/x86/kernel/setup_64.c 2 additions, 0 deletionsarch/x86/kernel/setup_64.c
- include/linux/kvm_para.h 6 additions, 0 deletionsinclude/linux/kvm_para.h
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