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authorRoger Pau Monne <roger.pau@citrix.com>2020-03-24 18:00:14 +0300
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2020-05-22 02:10:51 +0300
commit0df683ff7456eb6401c9035c054b7a58c93dd215 (patch)
tree089a6301e61a90da435469e28952f4cb6b310400 /drivers/xen
parent5333875301d64e96d1400592a500f56ac7a33f27 (diff)
downloadlinux-0df683ff7456eb6401c9035c054b7a58c93dd215.tar.xz
xen: expand BALLOON_MEMORY_HOTPLUG description
To mention it's also useful for PVH or HVM domains that require mapping foreign memory or grants. [boris: "non PV" instead of "translated" at Juergen's request] Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> Link: https://lore.kernel.org/r/20200324150015.50496-1-roger.pau@citrix.com Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 61212fc7f0c7..ce024e57274c 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -19,6 +19,9 @@ config XEN_BALLOON_MEMORY_HOTPLUG
It is very useful on critical systems which require long
run without rebooting.
+ It's also very useful for non PV domains to obtain unpopulated physical
+ memory ranges to use in order to map foreign memory or grants.
+
Memory could be hotplugged in following steps:
1) target domain: ensure that memory auto online policy is in