x86, xen, power: fix up config dependencies on PM

Xen save/restore needs bits of code enabled by PM_SLEEP, and PM_SLEEP
depends on PM.  So make XEN_SAVE_RESTORE depend on PM and PM_SLEEP
depend on XEN_SAVE_RESTORE.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index 20b4972..3815e42 100644 (file)
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -23,3 +23,8 @@ config XEN_MAX_DOMAIN_MEMORY
          according to the maximum possible memory size of a Xen
          domain.  This array uses 1 page per gigabyte, so there's no
          need to be too stingy here.
+
+config XEN_SAVE_RESTORE
+       bool
+       depends on PM
+       default y
\ No newline at end of file

diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index b45da40..59dfdf1 100644 (file)
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -82,7 +82,7 @@ config PM_SLEEP_SMP
 
 config PM_SLEEP
        bool
-       depends on SUSPEND || HIBERNATION
+       depends on SUSPEND || HIBERNATION || XEN_SAVE_RESTORE
        default y
 
 config SUSPEND