On Wed, 2017-04-19 at 12:52:24 UTC, "Naveen N. Rao" wrote: > Pass the real LR to the ftrace handler. This is needed for > KPROBES_ON_FTRACE for the pre handlers. > > Also, with KPROBES_ON_FTRACE, the link register may be updated by the > pre handlers or by a registed kretprobe. Honor updated LR by restoring > it from pt_regs, rather than from the stack save area. > > Live patch and function graph continue to work fine with this change. > > Signed-off-by: Naveen N. Rao <naveen.n....@linux.vnet.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/2f59be5b970b503ca8db1cb723b155 cheers