commit c7ae95a6b9bae0a8406b73e8afbb9043c6674aad
author Stewart Smith <stewart@linux.vnet.ibm.com> Thu Nov 10 15:56:55 2016 +1100
committer Stewart Smith <stewart@linux.vnet.ibm.com> Thu Nov 10 15:56:55 2016 +1100
tree 377744c847b640b7421c74361cde0be4880948ab
parent 2821dd0e8152e79182772f497c514c945dc4932e

Set BR2_LINUX_KERNEL_XZ on Witherspoon

This fixes the "BOOTKERNEL too large" bug for Witherspoon, which uses
a 4.9 kernel, one which does support XZ zImage.epapr wrapper.

The end space saving on the final zImage.epapr is ~995k on my GCC6 based
test.

Fixes: https://github.com/open-power/op-build/issues/730
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

openpower/configs/witherspoon_defconfig

diff --git a/openpower/configs/witherspoon_defconfig b/openpower/configs/witherspoon_defconfig
index 707b27a..a6c65de 100644
--- a/openpower/configs/witherspoon_defconfig
+++ b/openpower/configs/witherspoon_defconfig
@@ -19,6 +19,7 @@
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL)/configs/linux/skiroot_defconfig"
 BR2_LINUX_KERNEL_ZIMAGE_EPAPR=y
+BR2_LINUX_KERNEL_XZ=y
 BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 BR2_PACKAGE_LINUX_FIRMWARE=y
 BR2_PACKAGE_LINUX_FIRMWARE_BNX2X=y