linux-kernel - Re: [PATCH] memblock tests: Fix compilation error.

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Message-ID: <Y7VVzxpxnun3HD3B@kernel.org>
Date:   Wed, 4 Jan 2023 12:32:47 +0200
From:   Mike Rapoport <rppt@...nel.org>
To:     Aaron Thompson <dev@...ont.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] memblock tests: Fix compilation error.

On Wed, Jan 04, 2023 at 10:07:37AM +0000, Aaron Thompson wrote:
> Commit cf4694be2b2cf ("tools: Add atomic_test_and_set_bit()") changed
> tools/arch/x86/include/asm/atomic.h to include <asm/asm.h>, which causes
> 'make -C tools/testing/memblock' to fail with:
> 
> In file included from ../../include/asm/atomic.h:6,
>                  from ../../include/linux/atomic.h:5,
>                  from ./linux/mmzone.h:5,
>                  from ../../include/linux/mm.h:5,
>                  from ../../include/linux/pfn.h:5,
>                  from ./linux/memory_hotplug.h:6,
>                  from ./linux/init.h:7,
>                  from ./linux/memblock.h:11,
>                  from tests/common.h:8,
>                  from tests/basic_api.h:5,
>                  from main.c:2:
> ../../include/asm/../../arch/x86/include/asm/atomic.h:11:10: fatal error: asm/asm.h: No such file or directory
>    11 | #include <asm/asm.h>
>       |          ^~~~~~~~~~~
> 
> Create a symlink to asm/asm.h in the same manner as the existing one to
> asm/cmpxchg.h.
> 
> Signed-off-by: Aaron Thompson <dev@...ont.org>

Applied, thanks!

> ---
>  tools/testing/memblock/.gitignore | 1 +
>  tools/testing/memblock/Makefile   | 3 ++-
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/memblock/.gitignore b/tools/testing/memblock/.gitignore
> index 654338e0be52..4cc7cd5aac2b 100644
> --- a/tools/testing/memblock/.gitignore
> +++ b/tools/testing/memblock/.gitignore
> @@ -1,4 +1,5 @@
>  main
>  memblock.c
>  linux/memblock.h
> +asm/asm.h
>  asm/cmpxchg.h
> diff --git a/tools/testing/memblock/Makefile b/tools/testing/memblock/Makefile
> index 2310ac4d080e..7a1ca694a982 100644
> --- a/tools/testing/memblock/Makefile
> +++ b/tools/testing/memblock/Makefile
> @@ -29,13 +29,14 @@ include: ../../../include/linux/memblock.h ../../include/linux/*.h \
>  
>  	@mkdir -p linux
>  	test -L linux/memblock.h || ln -s ../../../../include/linux/memblock.h linux/memblock.h
> +	test -L asm/asm.h || ln -s ../../../arch/x86/include/asm/asm.h asm/asm.h
>  	test -L asm/cmpxchg.h || ln -s ../../../arch/x86/include/asm/cmpxchg.h asm/cmpxchg.h
>  
>  memblock.c: $(EXTR_SRC)
>  	test -L memblock.c || ln -s $(EXTR_SRC) memblock.c
>  
>  clean:
> -	$(RM) $(TARGETS) $(OFILES) linux/memblock.h memblock.c asm/cmpxchg.h
> +	$(RM) $(TARGETS) $(OFILES) linux/memblock.h memblock.c asm/asm.h asm/cmpxchg.h
>  
>  help:
>  	@echo  'Memblock simulator'
> -- 
> 2.30.2
> 

-- 
Sincerely yours,
Mike.