linux-kernel - Re: linux-next: manual merge of the rust tree with the arm64 tree

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Message-ID: <20240312093554.757be026@canb.auug.org.au>
Date: Tue, 12 Mar 2024 09:35:54 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>
Cc: Miguel Ojeda <ojeda@...nel.org>, Jamie Cunliffe
 <Jamie.Cunliffe@....com>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: Re: linux-next: manual merge of the rust tree with the arm64 tree

Hi all,

On Fri, 1 Mar 2024 15:38:07 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next merge of the rust tree got a conflict in:
> 
>   rust/Makefile
> 
> between commit:
> 
>   f82811e22b48 ("rust: Refactor the build target to allow the use of builtin targets")
> 
> from the arm64 tree and commit:
> 
>   ecab4115c44c ("kbuild: mark `rustc` (and others) invocations as recursive")
> 
> from the rust tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> -- 
> Cheers,
> Stephen Rothwell
> 
> diff --cc rust/Makefile
> index fe045dbc701e,a78fcf4004b0..000000000000
> --- a/rust/Makefile
> +++ b/rust/Makefile
> @@@ -435,11 -434,8 +435,11 @@@ $(obj)/core.o: private skip_clippy = 
>   $(obj)/core.o: private skip_flags = -Dunreachable_pub
>   $(obj)/core.o: private rustc_objcopy = $(foreach sym,$(redirect-intrinsics),--redefine-sym $(sym)=__rust$(sym))
>   $(obj)/core.o: private rustc_target_flags = $(core-cfgs)
>  -$(obj)/core.o: $(RUST_LIB_SRC)/core/src/lib.rs scripts/target.json FORCE
>  +$(obj)/core.o: $(RUST_LIB_SRC)/core/src/lib.rs FORCE
> - 	$(call if_changed_dep,rustc_library)
> + 	+$(call if_changed_dep,rustc_library)
>  +ifneq ($(or $(CONFIG_X86_64),$(CONFIG_LOONGARCH)),)
>  +$(obj)/core.o: scripts/target.json
>  +endif
>   
>   $(obj)/compiler_builtins.o: private rustc_objcopy = -w -W '__*'
>   $(obj)/compiler_builtins.o: $(src)/compiler_builtins.rs $(obj)/core.o FORCE

This is now a conflict between the arm64 tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell

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