This hasn't been highly stress tested or tested all cases (like 32-bit binaries, single stepping, etc.) but so far it's running stable doing normal kernel development and microbenchmarks.
Thanks, Nick Nicholas Piggin (4): powerpc: convert to copy_thread_tls powerpc/64: remove support for kernel-mode syscalls powerpc/64: system call remove non-volatile GPR save optimisation powerpc/64: system call implement the bulk of the logic in C arch/powerpc/Kconfig | 1 + arch/powerpc/include/asm/asm-prototypes.h | 11 - arch/powerpc/include/asm/ptrace.h | 3 + arch/powerpc/include/asm/signal.h | 2 + arch/powerpc/include/asm/switch_to.h | 4 + arch/powerpc/include/asm/time.h | 3 + arch/powerpc/kernel/Makefile | 3 +- arch/powerpc/kernel/entry_64.S | 424 ++++------------------ arch/powerpc/kernel/exceptions-64s.S | 2 - arch/powerpc/kernel/process.c | 15 +- arch/powerpc/kernel/signal.h | 2 - arch/powerpc/kernel/syscall_64.c | 202 +++++++++++ arch/powerpc/kernel/syscalls/syscall.tbl | 22 +- 13 files changed, 305 insertions(+), 389 deletions(-) create mode 100644 arch/powerpc/kernel/syscall_64.c -- 2.22.0
