2.6.38-rc3 is a kernel. The 2.6.38-rc3 has been tested via the Phoronix Test Suite in the configurations listed below.
The Linux 2.6.38-rc3 Kernel Arrives: After Linus released an early Linux 2.6.38-rc2 kernel due to the 2011 Linux.Conf.Au, Linus has released the Linux 2.6.38-rc3 kernel while developers are returning from this Australian conference...