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    Subject[PATCH 11/12] x86 Kconfig: create x86/Kconfig.virt
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    From: Dave Hansen <dave.hansen@linux.intel.com>

    Right now, there is a "Enable paravirtualization code" option in
    the "Processor Features" menu, which means Xen. There is also a
    group of paravirtualization options specific to KVM under the
    top-level "Virtualization" menu.

    This creates a new hypervisor-independent arch/x86/Kconfig.virt
    file, and moves the "Virtualization" menu to be defined in there.
    This also removes the very counterintuitive references to
    lguest/vhost code *from* kvm-specific code.

    This also removes the silly:

    depends on HAVE_KVM || X86

    dependency. It makes zero sense to have entries defined in
    arch/x86 depend on x86.

    Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: Borislav Petkov <bp@suse.de>
    Cc: Dmitry Torokhov <dtor@vmware.com>
    Cc: K. Y. Srinivasan <kys@microsoft.com>
    Cc: Haiyang Zhang <haiyangz@microsoft.com>
    Cc: Alexander Graf <agraf@suse.de>
    Cc: Gleb Natapov <gleb@redhat.com>
    Cc: Paolo Bonzini <pbonzini@redhat.com>
    ---

    linux.git-davehans/arch/x86/Kconfig | 2 +-
    linux.git-davehans/arch/x86/Kconfig.virt | 18 ++++++++++++++++++
    linux.git-davehans/arch/x86/kvm/Kconfig | 19 -------------------
    3 files changed, 19 insertions(+), 20 deletions(-)

    diff -puN arch/x86/Kconfig~x86-Kconfig-move-paravirt-under-virtualization arch/x86/Kconfig
    --- linux.git/arch/x86/Kconfig~x86-Kconfig-move-paravirt-under-virtualization 2014-01-13 11:11:36.617255854 -0800
    +++ linux.git-davehans/arch/x86/Kconfig 2014-01-13 11:11:36.620255990 -0800
    @@ -2416,6 +2416,6 @@ source "security/Kconfig"

    source "crypto/Kconfig"

    -source "arch/x86/kvm/Kconfig"
    +source "arch/x86/Kconfig.virt"

    source "lib/Kconfig"
    diff -puN /dev/null arch/x86/Kconfig.virt
    --- /dev/null 2013-11-27 17:20:18.337162396 -0800
    +++ linux.git-davehans/arch/x86/Kconfig.virt 2014-01-13 11:11:36.621256035 -0800
    @@ -0,0 +1,18 @@
    +
    +menuconfig VIRTUALIZATION
    + bool "Virtualization"
    + default y
    + ---help---
    + Say Y here to get to see options for using your Linux host to run other
    + operating systems inside virtual machines (guests).
    + This option alone does not add any kernel code.
    +
    + If you say N, all options in this submenu will be skipped and disabled.
    +
    +if VIRTUALIZATION
    +
    +source arch/x86/kvm/Kconfig
    +source drivers/vhost/Kconfig
    +source drivers/lguest/Kconfig
    +
    +endif # VIRTUALIZATION
    diff -puN arch/x86/kvm/Kconfig~x86-Kconfig-move-paravirt-under-virtualization arch/x86/kvm/Kconfig
    --- linux.git/arch/x86/kvm/Kconfig~x86-Kconfig-move-paravirt-under-virtualization 2014-01-13 11:11:36.618255899 -0800
    +++ linux.git-davehans/arch/x86/kvm/Kconfig 2014-01-13 11:11:36.621256035 -0800
    @@ -4,19 +4,6 @@

    source "virt/kvm/Kconfig"

    -menuconfig VIRTUALIZATION
    - bool "Virtualization"
    - depends on HAVE_KVM || X86
    - default y
    - ---help---
    - Say Y here to get to see options for using your Linux host to run other
    - operating systems inside virtual machines (guests).
    - This option alone does not add any kernel code.
    -
    - If you say N, all options in this submenu will be skipped and disabled.
    -
    -if VIRTUALIZATION
    -
    config KVM
    tristate "Kernel-based Virtual Machine (KVM) support"
    depends on HAVE_KVM
    @@ -93,9 +80,3 @@ config KVM_DEVICE_ASSIGNMENT

    If unsure, say Y.

    -# OK, it's a little counter-intuitive to do this, but it puts it neatly under
    -# the virtualization menu.
    -source drivers/vhost/Kconfig
    -source drivers/lguest/Kconfig
    -
    -endif # VIRTUALIZATION
    _

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