Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/g…

…it/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] xen_domu build fix
  [IA64] fixes configs and add default config for ia64 xen domU
  [IA64] Remove redundant cpu_clear() in __cpu_disable path
  [IA64] Revert "prevent ia64 from invoking irq handlers on offline CPUs"
  [IA64] bte_copy of BTE_MAX_XFER trips BUG_ON.
  [IA64] Build fix for __early_pfn_to_nid() undefined link error

arch/ia64/Kconfig

@@ -221,7 +221,11 @@ config IA64_HP_SIM
 
 config IA64_XEN_GUEST
 	bool "Xen guest"
+	select SWIOTLB
 	depends on XEN
+	help
+	  Build a kernel that runs on Xen guest domain. At this moment only
+	  16KB page size in supported.
 
 endchoice
 
@@ -479,8 +483,7 @@ config HOLES_IN_ZONE
 	default y if VIRTUAL_MEM_MAP
 
 config HAVE_ARCH_EARLY_PFN_TO_NID
-	def_bool y
-	depends on NEED_MULTIPLE_NODES
+	def_bool NUMA && SPARSEMEM
 
 config HAVE_ARCH_NODEDATA_EXTENSION
 	def_bool y