Accounted for some feedback. 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 - .../powerpc/include/asm/book3s/64/kup-radix.h | 12 +- arch/powerpc/include/asm/cputime.h | 22 + arch/powerpc/include/asm/ptrace.h | 3 + arch/powerpc/include/asm/signal.h | 2 + arch/powerpc/include/asm/switch_to.h | 5 + arch/powerpc/include/asm/time.h | 3 + arch/powerpc/kernel/Makefile | 3 +- arch/powerpc/kernel/entry_64.S | 421 +++--------------- arch/powerpc/kernel/exceptions-64s.S | 2 - arch/powerpc/kernel/process.c | 9 +- arch/powerpc/kernel/signal.h | 2 - arch/powerpc/kernel/syscall_64.c | 177 ++++++++ arch/powerpc/kernel/syscalls/syscall.tbl | 22 +- 15 files changed, 307 insertions(+), 388 deletions(-) create mode 100644 arch/powerpc/kernel/syscall_64.c -- 2.22.0
