diff --git a/buildroot b/buildroot
index fda20bd..d78ccc1 160000
--- a/buildroot
+++ b/buildroot
@@ -1 +1 @@
-Subproject commit fda20bd82acd118fff5211772f483b700b605c9d
+Subproject commit d78ccc1d2872c5ca4449f611f7ddc4f9de262dfe
diff --git a/openpower/configs/barreleye_defconfig b/openpower/configs/barreleye_defconfig
index 48431ff..ac4ef1d 100644
--- a/openpower/configs/barreleye_defconfig
+++ b/openpower/configs/barreleye_defconfig
@@ -44,9 +44,8 @@
 BR2_ROOTFS_DEVICE_TABLE="../openpower/device_table.txt"
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var"
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_SAME_AS_HEADERS=y
+BR2_LINUX_KERNEL_LATEST_VERSION=y
 BR2_KERNEL_HEADERS_4_4=y
-BR2_DEFAULT_KERNEL_HEADERS="4.4.5"
 BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL)/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"
diff --git a/openpower/configs/firestone_defconfig b/openpower/configs/firestone_defconfig
index b43c31c..767f1f7 100644
--- a/openpower/configs/firestone_defconfig
+++ b/openpower/configs/firestone_defconfig
@@ -44,9 +44,8 @@
 BR2_ROOTFS_DEVICE_TABLE="../openpower/device_table.txt"
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var"
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_SAME_AS_HEADERS=y
+BR2_LINUX_KERNEL_LATEST_VERSION=y
 BR2_KERNEL_HEADERS_4_4=y
-BR2_DEFAULT_KERNEL_HEADERS="4.4.5"
 BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL)/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"
diff --git a/openpower/configs/garrison_defconfig b/openpower/configs/garrison_defconfig
index f2e7e42..9a1c6a8 100644
--- a/openpower/configs/garrison_defconfig
+++ b/openpower/configs/garrison_defconfig
@@ -44,9 +44,8 @@
 BR2_ROOTFS_DEVICE_TABLE="../openpower/device_table.txt"
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var"
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_SAME_AS_HEADERS=y
+BR2_LINUX_KERNEL_LATEST_VERSION=y
 BR2_KERNEL_HEADERS_4_4=y
-BR2_DEFAULT_KERNEL_HEADERS="4.4.5"
 BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL)/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"
diff --git a/openpower/configs/habanero_defconfig b/openpower/configs/habanero_defconfig
index dade28f..8b825df 100644
--- a/openpower/configs/habanero_defconfig
+++ b/openpower/configs/habanero_defconfig
@@ -44,9 +44,8 @@
 BR2_ROOTFS_DEVICE_TABLE="../openpower/device_table.txt"
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var"
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_SAME_AS_HEADERS=y
+BR2_LINUX_KERNEL_LATEST_VERSION=y
 BR2_KERNEL_HEADERS_4_4=y
-BR2_DEFAULT_KERNEL_HEADERS="4.4.5"
 BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL)/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"
diff --git a/openpower/configs/openpower_mambo_defconfig b/openpower/configs/openpower_mambo_defconfig
index 5422a08..a958ce3 100644
--- a/openpower/configs/openpower_mambo_defconfig
+++ b/openpower/configs/openpower_mambo_defconfig
@@ -32,9 +32,8 @@
 BR2_ROOTFS_DEVICE_TABLE="../openpower/device_table.txt"
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var"
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_SAME_AS_HEADERS=y
+BR2_LINUX_KERNEL_LATEST_VERSION=y
 BR2_KERNEL_HEADERS_4_4=y
-BR2_DEFAULT_KERNEL_HEADERS="4.4.5"
 BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL)/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"
diff --git a/openpower/configs/palmetto_defconfig b/openpower/configs/palmetto_defconfig
index 67f2c86..36b784a 100644
--- a/openpower/configs/palmetto_defconfig
+++ b/openpower/configs/palmetto_defconfig
@@ -43,9 +43,8 @@
 BR2_ROOTFS_DEVICE_TABLE="../openpower/device_table.txt"
 BR2_ROOTFS_POST_BUILD_SCRIPT="../openpower/scripts/fixup-target-var"
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_SAME_AS_HEADERS=y
+BR2_LINUX_KERNEL_LATEST_VERSION=y
 BR2_KERNEL_HEADERS_4_4=y
-BR2_DEFAULT_KERNEL_HEADERS="4.4.5"
 BR2_LINUX_KERNEL_PATCH="$(BR2_EXTERNAL)/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"
diff --git a/openpower/linux/linux-0001-xhci-Use-xhci_pci_remove-for-xhci-device-shutdown.patch b/openpower/linux/linux-0001-xhci-Use-xhci_pci_remove-for-xhci-device-shutdown.patch
index 2c071b4..c4d9315 100644
--- a/openpower/linux/linux-0001-xhci-Use-xhci_pci_remove-for-xhci-device-shutdown.patch
+++ b/openpower/linux/linux-0001-xhci-Use-xhci_pci_remove-for-xhci-device-shutdown.patch
@@ -1,4 +1,4 @@
-From 3f099329a4aa747c3cccb502bb3a671df6e76cfd Mon Sep 17 00:00:00 2001
+From b9b3f9efd871e228ae14a8adbd7ef4b7d4a46123 Mon Sep 17 00:00:00 2001
 From: Thadeu Lima De Souza Cascardo <thadeul@br.ibm.com>
 Date: Tue, 25 Mar 2014 10:45:16 -0400
 Subject: [PATCH 1/7] xhci: Use xhci_pci_remove for xhci device shutdown
@@ -23,5 +23,5 @@
  	.driver = {
  		.pm = &usb_hcd_pci_pm_ops
 -- 
-2.7.3
+2.7.4
 
diff --git a/openpower/linux/linux-0002-Revert-usb-xhci-stop-everything-on-the-first-call-to.patch b/openpower/linux/linux-0002-Revert-usb-xhci-stop-everything-on-the-first-call-to.patch
index 9dcb6c3..9e0ae87 100644
--- a/openpower/linux/linux-0002-Revert-usb-xhci-stop-everything-on-the-first-call-to.patch
+++ b/openpower/linux/linux-0002-Revert-usb-xhci-stop-everything-on-the-first-call-to.patch
@@ -1,4 +1,4 @@
-From 797d3fde5250abb4dedf00536282b8f93e4b66fe Mon Sep 17 00:00:00 2001
+From c761f38475875d0840be302ad64904a18353e332 Mon Sep 17 00:00:00 2001
 From: Joel Stanley <joel@jms.id.au>
 Date: Thu, 28 Jan 2016 13:07:06 +1030
 Subject: [PATCH 2/7] Revert "usb: xhci: stop everything on the first call to
@@ -58,5 +58,5 @@
  	 * (xhci_stop() could be called as part of failed init).
  	 */
 -- 
-2.7.3
+2.7.4
 
diff --git a/openpower/linux/linux-0003-xhci-do-not-halt-the-secondary-HCD.patch b/openpower/linux/linux-0003-xhci-do-not-halt-the-secondary-HCD.patch
index 5e42d2f..e3d9efc 100644
--- a/openpower/linux/linux-0003-xhci-do-not-halt-the-secondary-HCD.patch
+++ b/openpower/linux/linux-0003-xhci-do-not-halt-the-secondary-HCD.patch
@@ -1,4 +1,4 @@
-From 05ac3b2476dd66ba26622d437c2517dd3ac389f1 Mon Sep 17 00:00:00 2001
+From be0312b5d7ccb3becc42a6f483c68765d4567f4c Mon Sep 17 00:00:00 2001
 From: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
 Date: Mon, 10 Mar 2014 13:02:13 -0300
 Subject: [PATCH 3/7] xhci: do not halt the secondary HCD
@@ -38,5 +38,5 @@
  }
  
 -- 
-2.7.3
+2.7.4
 
diff --git a/openpower/linux/linux-0004-drivers-drm-ast-Switch-SCU-to-VGA-output-on-POST.patch b/openpower/linux/linux-0004-drivers-drm-ast-Switch-SCU-to-VGA-output-on-POST.patch
index f924468..42b25ea 100644
--- a/openpower/linux/linux-0004-drivers-drm-ast-Switch-SCU-to-VGA-output-on-POST.patch
+++ b/openpower/linux/linux-0004-drivers-drm-ast-Switch-SCU-to-VGA-output-on-POST.patch
@@ -1,4 +1,4 @@
-From c12cb7a8c9c8d780ff454399bf4bbbffdd3941f4 Mon Sep 17 00:00:00 2001
+From 36e277c2d85a35348c651ff18e115c70f310368e Mon Sep 17 00:00:00 2001
 From: Jeremy Kerr <jk@ozlabs.org>
 Date: Wed, 2 Mar 2016 11:25:47 +0800
 Subject: [PATCH 4/7] drivers/drm/ast: Switch SCU to VGA output on POST
@@ -68,5 +68,5 @@
 +	ast_moutdwm(ast, scu_addr | 0x2c, val);
 +}
 -- 
-2.7.3
+2.7.4
 
diff --git a/openpower/linux/linux-0005-scsi-ignore-errors-from-scsi_dh_add_device.patch b/openpower/linux/linux-0005-scsi-ignore-errors-from-scsi_dh_add_device.patch
index f6dec62..c1812b7 100644
--- a/openpower/linux/linux-0005-scsi-ignore-errors-from-scsi_dh_add_device.patch
+++ b/openpower/linux/linux-0005-scsi-ignore-errors-from-scsi_dh_add_device.patch
@@ -1,4 +1,4 @@
-From 9d3559f97bd5183d4f84bbef3ea445a2ef841080 Mon Sep 17 00:00:00 2001
+From 2e2cc02d46a147b3386ac67b25d6bb4339afb00e Mon Sep 17 00:00:00 2001
 From: Hannes Reinecke <hare@suse.de>
 Date: Tue, 1 Mar 2016 13:57:59 +1100
 Subject: [PATCH 5/7] scsi: ignore errors from scsi_dh_add_device()
@@ -38,5 +38,5 @@
  	device_enable_async_suspend(&sdev->sdev_dev);
  	error = device_add(&sdev->sdev_dev);
 -- 
-2.7.3
+2.7.4
 
diff --git a/openpower/linux/linux-0006-net-mlx4_core-Set-UAR-page-size-to-4KB-regardless-of.patch b/openpower/linux/linux-0006-net-mlx4_core-Set-UAR-page-size-to-4KB-regardless-of.patch
index 11f9135..c65784e 100644
--- a/openpower/linux/linux-0006-net-mlx4_core-Set-UAR-page-size-to-4KB-regardless-of.patch
+++ b/openpower/linux/linux-0006-net-mlx4_core-Set-UAR-page-size-to-4KB-regardless-of.patch
@@ -1,4 +1,4 @@
-From 50d6158618c001b19967ab48aa9e25b2885b3374 Mon Sep 17 00:00:00 2001
+From 822aa6730a539993c3b17e151b49af6f90dc80e3 Mon Sep 17 00:00:00 2001
 From: Huy Nguyen <huyn@mellanox.com>
 Date: Wed, 17 Feb 2016 17:24:26 +0200
 Subject: [PATCH 6/7] net/mlx4_core: Set UAR page size to 4KB regardless of
@@ -295,5 +295,5 @@
 +}
  #endif /* MLX4_DEVICE_H */
 -- 
-2.7.3
+2.7.4
 
diff --git a/openpower/linux/linux-0007-Release-4.4.6-openpower1.patch b/openpower/linux/linux-0007-Release-4.4.8-openpower1.patch
similarity index 63%
rename from openpower/linux/linux-0007-Release-4.4.6-openpower1.patch
rename to openpower/linux/linux-0007-Release-4.4.8-openpower1.patch
index b8c7e49..8489fdf 100644
--- a/openpower/linux/linux-0007-Release-4.4.6-openpower1.patch
+++ b/openpower/linux/linux-0007-Release-4.4.8-openpower1.patch
@@ -1,7 +1,7 @@
-From 67b6cef1f1fe1801bbe015be2bccc5e3d9d32f2a Mon Sep 17 00:00:00 2001
+From 1a760bf8893312c55a31323ce3d28e316bef2be3 Mon Sep 17 00:00:00 2001
 From: Joel Stanley <joel@jms.id.au>
-Date: Tue, 20 Oct 2015 15:01:06 +1030
-Subject: [PATCH 7/7] Release 4.4.6-openpower1
+Date: Thu, 14 Apr 2016 21:40:26 +0930
+Subject: [PATCH 7/7] Release 4.4.8-openpower1
 
 Signed-off-by: Joel Stanley <joel@jms.id.au>
 ---
@@ -9,18 +9,18 @@
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/Makefile b/Makefile
-index 87d12b44ab66..9a78974bdab4 100644
+index 1928fcd539cc..48e579df4201 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -1,7 +1,7 @@
  VERSION = 4
  PATCHLEVEL = 4
- SUBLEVEL = 6
+ SUBLEVEL = 8
 -EXTRAVERSION =
 +EXTRAVERSION = -openpower1
  NAME = Blurry Fish Butt
  
  # *DOCUMENTATION*
 -- 
-2.7.3
+2.7.4
 
diff --git a/openpower/package/garrison-xml/garrison.mk b/openpower/package/garrison-xml/garrison.mk
index 39fbb3f..04dc8cf 100644
--- a/openpower/package/garrison-xml/garrison.mk
+++ b/openpower/package/garrison-xml/garrison.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GARRISON_XML_VERSION ?= 9b88db66d1d2766e526f81980c6fb1339c929ef5
+GARRISON_XML_VERSION ?= b6c48382ca9124a1ec5ee181691682ba4694ed3b
 GARRISON_XML_SITE ?= $(call github,open-power,garrison-xml,$(GARRISON_XML_VERSION))
 
 GARRISON_XML_LICENSE = Apache-2.0
diff --git a/openpower/package/hostboot/hostboot.mk b/openpower/package/hostboot/hostboot.mk
index f052abd..4ed5072 100644
--- a/openpower/package/hostboot/hostboot.mk
+++ b/openpower/package/hostboot/hostboot.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-HOSTBOOT_VERSION ?= 3e773cdf75f65630b3b34923eba57f52baa0d577
+HOSTBOOT_VERSION ?= 0ef0f3e8d82008886515cb557168d428b321ee75
 HOSTBOOT_SITE ?= $(call github,open-power,hostboot,$(HOSTBOOT_VERSION))
 
 HOSTBOOT_LICENSE = Apache-2.0
diff --git a/openpower/package/petitboot/petitboot.mk b/openpower/package/petitboot/petitboot.mk
index 03140da..21d673b 100644
--- a/openpower/package/petitboot/petitboot.mk
+++ b/openpower/package/petitboot/petitboot.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PETITBOOT_VERSION = v1.0.0
+PETITBOOT_VERSION = v1.0.1
 PETITBOOT_SITE ?= $(call github,open-power,petitboot,$(PETITBOOT_VERSION))
 PETITBOOT_DEPENDENCIES = ncurses udev host-bison host-flex lvm2
 PETITBOOT_LICENSE = GPLv2
diff --git a/openpower/package/skiboot/Config.in b/openpower/package/skiboot/Config.in
index 7ec042b..53aa5a8 100644
--- a/openpower/package/skiboot/Config.in
+++ b/openpower/package/skiboot/Config.in
@@ -31,7 +31,7 @@
 
 config BR2_SKIBOOT_VERSION
 	string
-	default "skiboot-5.2.0" if BR2_SKIBOOT_LATEST_VERSION
+	default "skiboot-5.2.1" if BR2_SKIBOOT_LATEST_VERSION
 	default BR2_SKIBOOT_CUSTOM_VERSION_VALUE \
 		if BR2_SKIBOOT_CUSTOM_VERSION