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SubjectRe: [PATCH 06/52] m68k: kernel: Add and use "process.h"
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Hi Geert,

Nice cleanups. My plan is to clean up the ColdFire/68000 warnings as well.


On 7/9/23 23:41, Geert Uytterhoeven wrote:
> When building with W=1:
>
> arch/m68k/kernel/process.c:115:16: warning: no previous prototype for ‘m68k_clone’ [-Wmissing-prototypes]
> 115 | asmlinkage int m68k_clone(struct pt_regs *regs)
> | ^~~~~~~~~~
> arch/m68k/kernel/process.c:136:16: warning: no previous prototype for ‘m68k_clone3’ [-Wmissing-prototypes]
> 136 | asmlinkage int m68k_clone3(struct pt_regs *regs)
> | ^~~~~~~~~~~
>
> Fix this by introducing a new header file "process.h" for holding the
> prototypes of functions implemented in arch/m68k/kernel/process.c.
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
> arch/m68k/kernel/process.c | 1 +
> arch/m68k/kernel/process.h | 8 ++++++++
> 2 files changed, 9 insertions(+)
> create mode 100644 arch/m68k/kernel/process.h
>
> diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
> index e06ce147c0b7fcf2..d2d6a57356502e5b 100644
> --- a/arch/m68k/kernel/process.c
> +++ b/arch/m68k/kernel/process.c
> @@ -38,6 +38,7 @@
> #include <asm/machdep.h>
> #include <asm/setup.h>
>
> +#include <process.h>

I applied all 52 patches to linux-6.6-rc1 and see this:

$ ARCH=m68k CROSS_COMPILE=m68k-linux- make amiga_defconfig
$ ARCH=m68k CROSS_COMPILE=m68k-linux- make W=1
...
CC arch/m68k/kernel/process.o
arch/m68k/kernel/process.c:41:10: fatal error: process.h: No such file or directory
#include <process.h>
^~~~~~~~~~~

Of course trivially fixed by doing this:

diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index d2d6a5735650..2584e94e2134 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -38,7 +38,7 @@
#include <asm/machdep.h>
#include <asm/setup.h>

-#include <process.h>
+#include "process.h"

asmlinkage void ret_from_fork(void);
asmlinkage void ret_from_kernel_thread(void);

Regards
Greg


> asmlinkage void ret_from_fork(void);
> asmlinkage void ret_from_kernel_thread(void);
> diff --git a/arch/m68k/kernel/process.h b/arch/m68k/kernel/process.h
> new file mode 100644
> index 0000000000000000..d31745f2e64bebab
> --- /dev/null
> +++ b/arch/m68k/kernel/process.h
> @@ -0,0 +1,8 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +
> +#include <linux/linkage.h>
> +
> +struct pt_regs;
> +
> +asmlinkage int m68k_clone(struct pt_regs *regs);
> +asmlinkage int m68k_clone3(struct pt_regs *regs);

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