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From: Lukas Bulwahn <lukas.bulwahn@gmail.com>
To: Ujjwal Kumar <ujjwalkumar0501@gmail.com>
Cc: linux-kernel-mentees@lists.linuxfoundation.org
Subject: Re: [Linux-kernel-mentees] [PATCH RFC] kconfig: use interpreters to invoke scripts
Date: Fri, 2 Oct 2020 05:50:59 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.21.2010020544590.7067@felia> (raw)
In-Reply-To: <ef1681fc-1123-15e7-0f93-2cc8b70354e7@gmail.com>



On Fri, 2 Oct 2020, Ujjwal Kumar wrote:

> We cannot rely on execute bits to be set on files in the repository.
> The build script should use the explicit interpreter when invoking any 
> script from the repository.
> 
> Link: https://lore.kernel.org/lkml/20200830174409.c24c3f67addcce0cea9a9d4c@linux-foundation.org/
> Link: https://lore.kernel.org/lkml/202008271102.FEB906C88@keescook/
> 
> Suggested-by: Andrew Morton <akpm@linux-foundation.org>
> Suggested-by: Kees Cook <keescook@chromium.org>
> Suggested-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
> Signed-off-by: Ujjwal Kumar <ujjwalkumar0501@gmail.com>


Ujjwal, you have nicely split the patches. I suggest you send out this 
patch and the patch "kbuild: use interpreters to incoke scripts" together 
as one patch series.

You just need to write a cover letter and explain there which steps you 
did to find this being wrong before and what you did to test that it is 
now corrected.

Also, can you please share on this list to whom/which lists you would send 
this patch series?

Then we check that we did not miss anyone important for these two patches.

Please resend the two mentioned patches again as patch series with a cover 
letter.

We are getting close now to sending this to the larger group of kernel 
developers.

Good progress so far.

Lukas

> ---
>  init/Kconfig | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/init/Kconfig b/init/Kconfig
> index 91456ac0ef20..335c8fcb99af 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -30,12 +30,12 @@ config CC_IS_GCC
>  
>  config GCC_VERSION
>  	int
> -	default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
> +	default $(shell,$(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
>  	default 0
>  
>  config LD_VERSION
>  	int
> -	default $(shell,$(LD) --version | $(srctree)/scripts/ld-version.sh)
> +	default $(shell,$(LD) --version | $(AWK) -f $(srctree)/scripts/ld-version.sh)
>  
>  config CC_IS_CLANG
>  	def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q clang)
> @@ -45,20 +45,20 @@ config LD_IS_LLD
>  
>  config CLANG_VERSION
>  	int
> -	default $(shell,$(srctree)/scripts/clang-version.sh $(CC))
> +	default $(shell,$(CONFIG_SHELL) $(srctree)/scripts/clang-version.sh $(CC))
>  
>  config CC_CAN_LINK
>  	bool
> -	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag)) if 64BIT
> -	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m32-flag))
> +	default $(success,$(CONFIG_SHELL) $(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag)) if 64BIT
> +	default $(success,$(CONFIG_SHELL) $(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m32-flag))
>  
>  config CC_CAN_LINK_STATIC
>  	bool
> -	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag) -static) if 64BIT
> -	default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m32-flag) -static)
> +	default $(success,$(CONFIG_SHELL) $(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag) -static) if 64BIT
> +	default $(success,$(CONFIG_SHELL) $(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m32-flag) -static)
>  
>  config CC_HAS_ASM_GOTO
> -	def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC))
> +	def_bool $(success,$(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC))
>  
>  config CC_HAS_ASM_GOTO_OUTPUT
>  	depends on CC_HAS_ASM_GOTO
> -- 
> 2.26.2
> 
> 
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  reply	other threads:[~2020-10-02  3:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-01 19:52 [Linux-kernel-mentees] [PATCH RFC] kconfig: use interpreters to invoke scripts Ujjwal Kumar
2020-10-02  3:50 ` Lukas Bulwahn [this message]
2020-10-02  7:10   ` Ujjwal Kumar
2020-10-03  7:05     ` Lukas Bulwahn
2020-10-03 14:30       ` Ujjwal Kumar
2020-10-03 14:45         ` Lukas Bulwahn

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