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[redhat] New configs in drivers/xen

Jeremy Cline requested to merge configs/2020-09-07/drivers/xen into os-build

Hi,

As part of the ongoing rebase effort, the following configuration options need to be reviewed.

As a reminder, the ARK configuration flow involves moving unreviewed configuration options from the pending directory to the ark directory. In the diff below, options are removed from the pending directory and added to the ark hierarchy. The final options that need to be ACKed are the files that are being added to the ark hierarchy.

If the value for a file that is added should be changed, please reply with a better option.

CONFIG_XEN_UNPOPULATED_ALLOC:

Use unpopulated memory ranges in order to create mappings for guest memory regions, including grant maps and foreign pages. This avoids having to balloon out RAM regions in order to obtain physical memory space to create such mappings.

Symbol: XEN_UNPOPULATED_ALLOC [=n] Type : bool Defined at drivers/xen/Kconfig:328 Prompt: Use unpopulated memory ranges for guest mappings Depends on: XEN [=y] && X86 [=y] && ZONE_DEVICE [=y] Location: -> Device Drivers -> Xen driver support

Cc: Vitaly Kuznetsov vkuznets@redhat.com Cc: Igor Mammedov imammedo@redhat.com Cc: Andrew Jones drjones@redhat.com Signed-off-by: Fedora Kernel Team kernel-team@fedoraproject.org

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