Linux kernel maintainers have offered Google three ways of returning Android into their good graces.

Google's options for re-admission to the kernel are: put the stubs of Android's wait locks into the main kernel, introduce Android's wait locks as PMQOS constraints, or adopt a patch written by a Linux kernel maintainer that would re-implement wait locks in a "socially acceptable way".

Read the full thing at http://www.theregister.co.uk/2010/07/22/android_kernel_readmission/