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| author |   Roger Pau Monne <roger.pau@citrix.com> | 2025-05-14 11:20:36 +0200 |
|---|---|---|
| committer |   Juergen Gross <jgross@suse.com> | 2025-05-23 07:07:09 +0200 |
| commit | d24c6b78ac550072df359c17e6aadddf079257d0 (patch) | |
| tree | ebcbef184bb8b251d8de80c8da83bcce035ea57c | |
| parent | xen: swiotlb: Wire up map_resource callback (diff) | |
| download | wireguard-linux-d24c6b78ac550072df359c17e6aadddf079257d0.tar.xz wireguard-linux-d24c6b78ac550072df359c17e6aadddf079257d0.zip | |
xen: enable XEN_UNPOPULATED_ALLOC as part of xen.config
PVH dom0 is useless without XEN_UNPOPULATED_ALLOC, as otherwise it will
very likely balloon out all dom0 memory to map foreign and grant pages.
Enable it by default as part of xen.config. This also requires enabling
MEMORY_HOTREMOVE and ZONE_DEVICE.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Message-ID: <20250514092037.28970-1-roger.pau@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
| -rw-r--r-- | kernel/configs/xen.config | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/configs/xen.config b/kernel/configs/xen.config index 6878b9a49be8..1875a0a5047a 100644 --- a/kernel/configs/xen.config +++ b/kernel/configs/xen.config @@ -13,6 +13,8 @@ CONFIG_SCSI=y CONFIG_FB=y CONFIG_INPUT_MISC=y CONFIG_MEMORY_HOTPLUG=y +CONFIG_MEMORY_HOTREMOVE=y +CONFIG_ZONE_DEVICE=y CONFIG_TTY=y # Technically not required but otherwise produces # pretty useless systems starting from allnoconfig @@ -47,3 +49,4 @@ CONFIG_XEN_GNTDEV=m CONFIG_XEN_GRANT_DEV_ALLOC=m CONFIG_SWIOTLB_XEN=y CONFIG_XEN_PRIVCMD=m +CONFIG_XEN_UNPOPULATED_ALLOC=y |