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SubjectRe: [PATCH -next] arm64: add missing header dependencies
On Mon, May 09, 2022 at 02:17:51PM +0800, Gaosheng Cui wrote:
> We get one error when building module with processor.h:
>
> ./arch/arm64/include/asm/processor.h:263:36: error: implicit declaration of function ‘task_stack_page’;
> ((struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1)
> ./arch/arm64/include/asm/processor.h:266:42: note: in expansion of macro ‘task_pt_regs’
> #define KSTK_ESP(tsk) user_stack_pointer(task_pt_regs(tsk))
>
> task_stack_page is declared in linux/sched/task_stack.h, so this patch
> add the missing header dependencies.
>
> Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
> ---
> arch/arm64/include/asm/processor.h | 1 +
> 1 file changed, 1 insertion(+)

Do you know which commit is causing this error? I haven't seen any other
reports, but it's hard to know which tree should take your patch as it
stands.

Thanks,

Will

> diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
> index 73e38d9a540c..1c239841c4d6 100644
> --- a/arch/arm64/include/asm/processor.h
> +++ b/arch/arm64/include/asm/processor.h
> @@ -28,6 +28,7 @@
> #include <linux/build_bug.h>
> #include <linux/cache.h>
> #include <linux/init.h>
> +#include <linux/sched/task_stack.h>
> #include <linux/stddef.h>
> #include <linux/string.h>
> #include <linux/thread_info.h>
> --
> 2.25.1
>

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