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Date:   Sat, 13 Jan 2018 02:53:33 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Alexei Starovoitov <ast@...com>, Josef Bacik <jbacik@...com>
Cc:     rostedt@...dmis.org, mingo@...hat.com, davem@...emloft.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        ast@...nel.org, kernel-team@...com, daniel@...earbox.net,
        linux-btrfs@...r.kernel.org, darrick.wong@...cle.com,
        mhiramat@...nel.org, Josef Bacik <josef@...icpanda.com>,
        Akinobu Mita <akinobu.mita@...il.com>
Subject: [PATCH bpf-next v5 0/5] Separate error injection table from kprobes

Hi,

Here are the 5th version of patches to moving error injection
table from kprobes. This version fixes a bug and update
fail-function to support multiple function error injection.

Here is the previous version:

https://patchwork.ozlabs.org/cover/858663/

Changes in v5:
 - [3/5] Fix a bug that within_error_injection returns false always.
 - [5/5] Update to support multiple function error injection.

Thank you,

---

Masami Hiramatsu (5):
      tracing/kprobe: bpf: Check error injectable event is on function entry
      tracing/kprobe: bpf: Compare instruction pointer with original one
      error-injection: Separate error-injection from kprobe
      error-injection: Add injectable error types
      error-injection: Support fault injection framework


 Documentation/fault-injection/fault-injection.txt |   68 ++++
 arch/Kconfig                                      |    2 
 arch/x86/Kconfig                                  |    2 
 arch/x86/include/asm/error-injection.h            |   13 +
 arch/x86/include/asm/kprobes.h                    |    4 
 arch/x86/kernel/kprobes/ftrace.c                  |   14 -
 arch/x86/lib/Makefile                             |    1 
 arch/x86/lib/error-inject.c                       |   19 +
 fs/btrfs/disk-io.c                                |    4 
 fs/btrfs/free-space-cache.c                       |    4 
 include/asm-generic/error-injection.h             |   35 ++
 include/asm-generic/vmlinux.lds.h                 |   14 -
 include/linux/bpf.h                               |   11 -
 include/linux/error-injection.h                   |   27 ++
 include/linux/kprobes.h                           |    1 
 include/linux/module.h                            |    7 
 kernel/Makefile                                   |    1 
 kernel/fail_function.c                            |  349 +++++++++++++++++++++
 kernel/kprobes.c                                  |  163 ----------
 kernel/module.c                                   |    8 
 kernel/trace/Kconfig                              |    4 
 kernel/trace/bpf_trace.c                          |   11 -
 kernel/trace/trace_kprobe.c                       |   33 +-
 kernel/trace/trace_probe.h                        |   12 -
 lib/Kconfig.debug                                 |   14 +
 lib/Makefile                                      |    1 
 lib/error-inject.c                                |  242 +++++++++++++++
 27 files changed, 819 insertions(+), 245 deletions(-)
 create mode 100644 arch/x86/include/asm/error-injection.h
 create mode 100644 arch/x86/lib/error-inject.c
 create mode 100644 include/asm-generic/error-injection.h
 create mode 100644 include/linux/error-injection.h
 create mode 100644 kernel/fail_function.c
 create mode 100644 lib/error-inject.c

--
Masami Hiramatsu (Linaro)

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