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Date:   Mon, 12 Dec 2022 11:46:33 +0900
From:   "Masami Hiramatsu (Google)" <>
To:     LKML <>
Cc:, Borislav Petkov <>,
        Alexei Starovoitov <>,
        Steven Rostedt <>,
        Linus Torvalds <>,
        Masami Hiramatsu <>,
        Andrew Morton <>,
        Peter Zijlstra <>,
        Kees Cook <>,
        Josh Poimboeuf <>,
        KP Singh <>,
        Mark Rutland <>,
        Florent Revest <>,
        Greg Kroah-Hartman <>,
        Christoph Hellwig <>,
        Chris Mason <>, Jonathan Corbet <>,
Subject: [PATCH 0/2] error-injection: Clarify the requirements of error injectable functions


Here are the patches for clarifying the requirement of error injectable
functions and remove confusing EI_ETYPE_NONE.

Here is the thread of discussions which leads this series.

I agreed that NACK the taint flag itself, and I thought I need to update
the function error injection so that the developers understand the
requirements and carefully use the ALLOW_ERROR_INJECTION() macro.
So I removed the confusing EI_ETYPE_NONE (this should not be there,
use errno instead), and update the document about error injectable

Thank you,


Masami Hiramatsu (Google) (2):
      error-injection: Remove EI_ETYPE_NONE
      docs: fault-injection: Add requirements of error injectable functions

 Documentation/fault-injection/fault-injection.rst |   65 +++++++++++++++++++++
 include/asm-generic/error-injection.h             |    7 +-
 include/linux/error-injection.h                   |    2 -
 lib/error-inject.c                                |    2 -
 4 files changed, 71 insertions(+), 5 deletions(-)

Masami Hiramatsu (Google) <>

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