arch-powerpc64.inc: disable the use of qemu usermode on ppc64

It simply does not work at all:
https://lists.yoctoproject.org/pipermail/yocto/2016-April/029698.html

(From OE-Core rev: d044743cdc415745e68f3e26a3a7e2c94caecd93)

(From OE-Core rev: c507e83c33a35b4ba28557da74dd2f6441657b6f)

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/conf/machine/include/powerpc/arch-powerpc64.inc b/meta/conf/machine/include/powerpc/arch-powerpc64.inc
index 49419b6e0c..f751c6b76c 100644
--- a/meta/conf/machine/include/powerpc/arch-powerpc64.inc
+++ b/meta/conf/machine/include/powerpc/arch-powerpc64.inc
@@ -7,6 +7,9 @@ TUNECONFLICTS[m64] = "m32 nf"
 TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'm64', ' -m64', '', d)}"
 TUNE_ARCH .= "${@bb.utils.contains('TUNE_FEATURES', [ 'm64' ], 'powerpc64', '', d)}"
 
+# user mode qemu doesn't support ppc64
+MACHINE_FEATURES_BACKFILL_CONSIDERED_append = " ${@bb.utils.contains('TUNE_FEATURES', 'm64', 'qemu-usermode', '', d)}"
+
 AVAILTUNES += "powerpc64"
 TUNE_FEATURES_tune-powerpc64 = "m64 fpu-hard"
 BASE_LIB_tune-powerpc64 = "lib64"