Commit c4f39a6c authored by Domenico Andreoli's avatar Domenico Andreoli Committed by Rafael J. Wysocki
Browse files

PM: hibernate: Split off snapshot dev option



Make it possible to reduce the attack surface in case the snapshot
device is not to be used from userspace.

Signed-off-by: default avatarDomenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent ab7e9b06
Loading
Loading
Loading
Loading
+12 −0
Original line number Diff line number Diff line
@@ -80,6 +80,18 @@ config HIBERNATION

	  For more information take a look at <file:Documentation/power/swsusp.rst>.

config HIBERNATION_SNAPSHOT_DEV
	bool "Userspace snapshot device"
	depends on HIBERNATION
	default y
	---help---
	  Device used by the uswsusp tools.

	  Say N if no snapshotting from userspace is needed, this also
	  reduces the attack surface of the kernel.

	  If in doubt, say Y.

config PM_STD_PARTITION
	string "Default resume partition"
	depends on HIBERNATION
+2 −1
Original line number Diff line number Diff line
@@ -10,7 +10,8 @@ obj-$(CONFIG_VT_CONSOLE_SLEEP) += console.o
obj-$(CONFIG_FREEZER)		+= process.o
obj-$(CONFIG_SUSPEND)		+= suspend.o
obj-$(CONFIG_PM_TEST_SUSPEND)	+= suspend_test.o
obj-$(CONFIG_HIBERNATION)	+= hibernate.o snapshot.o swap.o user.o
obj-$(CONFIG_HIBERNATION)	+= hibernate.o snapshot.o swap.o
obj-$(CONFIG_HIBERNATION_SNAPSHOT_DEV) += user.o
obj-$(CONFIG_PM_AUTOSLEEP)	+= autosleep.o
obj-$(CONFIG_PM_WAKELOCKS)	+= wakelock.o