Thread (71 messages) flat view 71 messages, 10 authors, 2016-08-10

[PATCH v15 00/10] arm64: Add kernel probes (kprobes) support

From: catalin.marinas@arm.com (Catalin Marinas)
Date: 2016-07-14 16:22:18
Also in: lkml

On Fri, Jul 08, 2016 at 12:35:44PM -0400, David Long wrote:
David A. Long (3):
  arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature
  arm64: Add more test functions to insn.c
  arm64: add conditional instruction simulation support

Pratyush Anand (2):
  arm64: Blacklist non-kprobe-able symbol
  arm64: Treat all entry code as non-kprobe-able

Sandeepa Prabhu (4):
  arm64: Kprobes with single stepping support
  arm64: kprobes instruction simulation support
  arm64: Add kernel return probes support (kretprobes)
  kprobes: Add arm64 case in kprobe example module

William Cohen (1):
  arm64: Add trampoline code for kretprobes
I applied these patches on top of the arm64 for-next/core branch an
tried to run the resulting kernel in a guest (on a Juno platform using
both kvmtool and qemu) with KPROBES_SANITY_TEST enabled. Unfortunately,
the kernel fails to boot with lots of "Unexpected kernel single-step
exception at EL1".

Did you manage to run Kprobes in a guest before?

-- 
Catalin
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