Re: [PATCH -next v2 1/5] docs: notifier-error-inject: fix non-working usage of negative values

[Akinobu Mita]

2022年9月15日(木) 18:01 Zhao Gongyi <zhaogongyi@xxxxxxxxxx>:
>
> Fault injection uses debugfs in a way that the provided values via
> sysfs are interpreted as u64. Providing negative numbers results in
> an error:
>
>   # cd sys/kernel/debug/notifier-error-inject/memory
>   #  echo -12 > actions/MEM_GOING_ONLINE/error
>   -bash: echo: write error: Invalid argument
>
> Update the docs and examples to use "printf %#x <val>" in these cases.

I'd rather fix the notifier-error-inject module than change the user interface.
I'll send a patch, so could you check if that solves the problem.