Peter Zijlstra <pet...@infradead.org> writes: > > With CPL2 or RPL on user segments the protection issue seems to be > manageable for running the instructions from kernel space.
Nope -- it doesn't work on 64bit and even on 32bit can have large costs on some CPUs. Also designing 32bit only features in 2010 would seem rather .... unfortunate. -Andi -- a...@linux.intel.com -- Speaking for myself only.