[Crash-utility] [PATCH v4 0/3] arm64: more improvement of bt -f

Changes in v4: * use arm64_on_irq_stack() to check whether or not we are on IRQ stack. mistakendly used 'flags & IRQ_STACKS'. * fix a bug at critical timing around switching stacks in arm64_unwind_frame(). We need to take are of a possibility that we get back to process stack, but fp still points to IRQ stack. * add patch[2/3] This should be applied even withtout patch[1/3] * add patch[3/3] applying this patch would be a discussion. AKASHI Takahiro (3): arm64: more improvement of bt -f arm64: find a correct starting stackframe at bt arm64: correct a PC shown in bt arm64.c | 559 +++++++++++++++++++++++++++++++++++++++++++--------------------- defs.h | 6 + 2 files changed, 379 insertions(+), 186 deletions(-) -- 2.9.0