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authorDarren Hart <dvhart@linux.intel.com>2011-08-08 16:33:00 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2011-08-12 17:21:57 +0100
commit1319890793589baae62d48e80782800063bf92fe (patch)
treec4bae4690006a94b57c2b0cb2e608fe7c630aeb8 /meta/recipes-rt
parent15c2a7035dbe5b60bf1ef73b6b7ef64ae8cc9471 (diff)
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recipes-rt: add a README documenting the contents of recipes-rt
Document the non-obvious bits of using the recipes-rt recipes. (From OE-Core rev: 2c86e636972bd02b35523b36bc81a2765f430f70) Signed-off-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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+The recipes-rt recipes provide package and image recipes for using and testing
+the PREEMPT_RT kernel. The core-image-rt*.bb images are minimal images with
+a couple extra packages, including rt-tests. In order to build the image with
+the linux-yocto-rt kernel, be sure to include the following line in your
+local.conf, bblayers.conf, or your $MACHINE.conf.
+
+PREFERRED_PROVIDER_virtual/kernel = "linux-yocto-rt"
+
+If you are creating a new BSP which should use linux-yocto-rt by default,
+use the line above in the $MACHINE.conf in your BSP layer, and specify the
+following in a linux-yocto-rt bbappend recipe:
+
+COMPATIBLE_MACHINE_$MACHINE = $MACHINE