Changes from V1: * use memcpy simply to withdraw copy_exc_stack * add !(regs->msr & MSR_PR)) and WARN_ON(test_thread_flag(TIF_EMULATE_STACK_STORE)); to make sure we're in goot path. * move this migration process inside 'restore' * clear TIF flag atomically
Tiejun Chen (3): powerpc/kprobe: introduce a new thread flag ppc32/kprobe: complete kprobe and migrate exception frame ppc32/kprobe: don't emulate store when kprobe stwu r1 arch/powerpc/include/asm/thread_info.h | 3 ++ arch/powerpc/kernel/entry_32.S | 35 ++++++++++++++++++++++++++++++++ arch/powerpc/lib/sstep.c | 25 +++++++++++++++++++++- 3 files changed, 61 insertions(+), 2 deletions(-) Tiejun _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev