Re: [kvm-unit-tests PATCH 2/2] Link with "-z noexecstack" to avoid warning from newer versions of ld

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On Fri, Jun 23, 2023, Thomas Huth wrote:
> Newer versions of ld (from binutils 2.40) complain on s390x and x86:
> 
>  ld: warning: s390x/cpu.o: missing .note.GNU-stack section implies
>               executable stack
>  ld: NOTE: This behaviour is deprecated and will be removed in a
>            future version of the linker
> 
> We can silence these warnings by using "-z noexecstack" for linking
> (which should not have any real influence on the kvm-unit-tests since
> the information from the ELF header is not used here anyway, so it's
> just cosmetics).
> 
> Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
> ---
>  Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Makefile b/Makefile
> index 0e5d85a1..20f7137c 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -96,7 +96,7 @@ CFLAGS += -Woverride-init -Wmissing-prototypes -Wstrict-prototypes
>  
>  autodepend-flags = -MMD -MF $(dir $*).$(notdir $*).d
>  
> -LDFLAGS += -nostdlib
> +LDFLAGS += -nostdlib -z noexecstack

Drat, the pull request[1] I sent to Paolo yesterday only fixes x86[2].

Paolo, want me to redo the pull request to drop the x86-specific patch? 

[1] https://lore.kernel.org/all/20230622211440.2595272-1-seanjc@xxxxxxxxxx
[2] https://lore.kernel.org/all/20230406220839.835163-1-seanjc@xxxxxxxxxx



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