linux-kernel - Re: [PATCH 5.10 00/59] 5.10.223-rc1 review

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Message-ID: <2024072627-pasture-denim-0390@gregkh>
Date: Fri, 26 Jul 2024 12:23:02 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Jari Ruusu <jariruusu@...tonmail.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH 5.10 00/59] 5.10.223-rc1 review

On Fri, Jul 26, 2024 at 09:53:18AM +0000, Jari Ruusu wrote:
> On Friday, July 26th, 2024 at 11:52, Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> > Also the "Fixes:" tag is not in the correct format, please fix that up
> > at the very least.
> 
> Some older systems still compile kernels with old gcc version.
> These warnings and errors show up when compiling with gcc 4.9.2
> 
>  error: "__GCC4_has_attribute___uninitialized__" is not defined [-Werror=undef]
> 
> Following patch fixes this. Upstream won't need this because  
> newer kernels are not compilable with gcc 4.9.
> 
> Subject: gcc-4.9 warning/error fix for 5.10.223-rc1
> Fixes: fd7eea27a3ae ("Compiler Attributes: Add __uninitialized macro")
> Signed-off-by: Jari Ruusu <jariruusu@...tonmail.com>
> 
> --- ./include/linux/compiler_attributes.h.OLD
> +++ ./include/linux/compiler_attributes.h
> @@ -37,6 +37,7 @@
>  # define __GCC4_has_attribute___nonstring__           0
>  # define __GCC4_has_attribute___no_sanitize_address__ (__GNUC_MINOR__ >= 8)
>  # define __GCC4_has_attribute___no_sanitize_undefined__ (__GNUC_MINOR__ >= 9)
> +# define __GCC4_has_attribute___uninitialized__       0
>  # define __GCC4_has_attribute___fallthrough__         0
>  # define __GCC4_has_attribute___warning__             1
>  #endif
> 
> --
> Jari Ruusu  4096R/8132F189 12D6 4C3A DCDA 0AA4 27BD  ACDF F073 3C80 8132 F189
> 

Better, thanks!  I'll touch this up by hand and apply it to the relevant
branches (not just this one needs it), for the next round of stable
releases.

greg k-h