linux-kernel - Re: [PATCH] docs: add extra integer types to printk-formats

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Date:   Mon, 4 Mar 2019 16:45:09 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     Louis Taylor <louis@...gniz.eu>
Cc:     corbet@....net, geert+renesas@...der.be,
        andriy.shevchenko@...ux.intel.com, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        ndesaulniers@...gle.com, jflat@...omium.org
Subject: Re: [PATCH] docs: add extra integer types to printk-formats

On Sun 2019-03-03 12:36:47, Louis Taylor wrote:
> A few commonly used integer types were absent from this table, so add
> them.
> 
> Link: https://github.com/ClangBuiltLinux/linux/issues/378
> Suggested-by: Nick Desaulniers <ndesaulniers@...gle.com>
> Signed-off-by: Louis Taylor <louis@...gniz.eu>
> ---
>  Documentation/core-api/printk-formats.rst | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst
> index a7fae4538946..6f08b1b6240a 100644
> --- a/Documentation/core-api/printk-formats.rst
> +++ b/Documentation/core-api/printk-formats.rst
> @@ -19,8 +19,16 @@ Integer types
>  		unsigned long		%lu or %lx
>  		long long		%lld or %llx
>  		unsigned long long	%llu or %llx
> +		short int		%hd or %hx
> +		unsigned short int	%hu or %hx
> +		char			%hhd or %hhx
> +		unsigned char		%hhu or %hhx

These should get moved to the beginning of the table to
have all variants sorted by size.

>  		size_t			%zu or %zx
>  		ssize_t			%zd or %zx
> +		s8			%hhd or %hhx
> +		u8			%hhu or %hhx
> +		s16			%hd or %hx
> +		u16			%hu or %hx
>  		s32			%d or %x
>  		u32			%u or %x
>  		s64			%lld or %llx

Let's get it in when people are doing the clean up.

I have fixed the sorting and committed into printk.git,
branch for-5.1, see
https://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk.git/commit/?h=for-5.1&id=943ca6ad81e5b37bd5d22cbab5ad06dc97fc001c

Best Regards,
Petr