[PATCH 1/2] powerpc/64: remove system call instruction emulation

2022-01-23 Thread Nicholas Piggin
emulate_step instruction emulation including sc instruction emulation initially appeared in xmon. It then emulation code was then moved into sstep.c where kprobes could use it too, and later hw_breakpoint and uprobes started to use it. Until uprobes, the only instruction emulation users were for

Re: [RFC PATCH 1/2] powerpc/64: remove system call instruction emulation

2022-01-19 Thread Naveen N. Rao
Nicholas Piggin wrote: emulate_step instruction emulation including sc instruction emulation initially appeared in xmon. It then emulation code was then moved into sstep.c where kprobes could use it too, and later hw_breakpoint and uprobes started to use it. Until uprobes, the only instruction

[RFC PATCH 1/2] powerpc/64: remove system call instruction emulation

2022-01-17 Thread Nicholas Piggin
emulate_step instruction emulation including sc instruction emulation initially appeared in xmon. It then emulation code was then moved into sstep.c where kprobes could use it too, and later hw_breakpoint and uprobes started to use it. Until uprobes, the only instruction emulation users were for