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[0/2] error-injection: Clarify the requirements of error injectable functions

Message ID 167081319306.387937.10079195394503045678.stgit@devnote3
Headers
Series error-injection: Clarify the requirements of error injectable functions |

Message

Masami Hiramatsu (Google) Dec. 12, 2022, 2:46 a.m. UTC 
  Hi,

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.

https://lore.kernel.org/all/167019256481.3792653.4369637751468386073.stgit@devnote3/T/#u

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
functions.

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) <mhiramat@kernel.org>