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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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3c038e6be0
This patch enables async page faults for s390 kvm guests. It provides the userspace API to enable and disable_wait this feature. The disable_wait will enforce that the feature is off by waiting on it. Also it includes the diagnose code, called by the guest to enable async page faults. The async page faults will use an already existing guest interface for this purpose, as described in "CP Programming Services (SC24-6084)". Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
54 lines
1.4 KiB
Text
54 lines
1.4 KiB
Text
#
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# KVM configuration
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#
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source "virt/kvm/Kconfig"
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menuconfig VIRTUALIZATION
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def_bool y
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prompt "KVM"
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---help---
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Say Y here to get to see options for using your Linux host to run other
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operating systems inside virtual machines (guests).
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This option alone does not add any kernel code.
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If you say N, all options in this submenu will be skipped and disabled.
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if VIRTUALIZATION
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config KVM
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def_tristate y
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prompt "Kernel-based Virtual Machine (KVM) support"
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depends on HAVE_KVM
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select PREEMPT_NOTIFIERS
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select ANON_INODES
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select HAVE_KVM_CPU_RELAX_INTERCEPT
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select HAVE_KVM_EVENTFD
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select KVM_ASYNC_PF
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select KVM_ASYNC_PF_SYNC
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---help---
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Support hosting paravirtualized guest machines using the SIE
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virtualization capability on the mainframe. This should work
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on any 64bit machine.
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This module provides access to the hardware capabilities through
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a character device node named /dev/kvm.
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To compile this as a module, choose M here: the module
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will be called kvm.
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If unsure, say N.
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config KVM_S390_UCONTROL
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bool "Userspace controlled virtual machines"
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depends on KVM
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---help---
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Allow CAP_SYS_ADMIN users to create KVM virtual machines that are
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controlled by userspace.
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If unsure, say N.
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# OK, it's a little counter-intuitive to do this, but it puts it neatly under
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# the virtualization menu.
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source drivers/vhost/Kconfig
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endif # VIRTUALIZATION
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