Re: [PATCH] x86/process: Export start_thread()

From: Andy Lutomirski
Date: Sun Aug 19 2018 - 23:23:54 EST




> On Aug 19, 2018, at 4:08 PM, Rian Hunter <rian@xxxxxxxxxxxx> wrote:
>
> Commit e634d8fc792c ("x86-64: merge the standard and compat
> start_thread() functions") removed exporting for the start_thread()
> function in what seems like a typo. Add it back to
> arch/x86/kernel/process_64.c for parity with process_32.c and other
> arch.

What for? Perhaps 32-bit could remove it instead?

>
> Signed-off-by: Rian Hunter <rian@xxxxxxxxxxxx>
> ---
> arch/x86/kernel/process_64.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
> index 476e3ddf8890..a451bc374b9b 100644
> --- a/arch/x86/kernel/process_64.c
> +++ b/arch/x86/kernel/process_64.c
> @@ -384,6 +384,7 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
> start_thread_common(regs, new_ip, new_sp,
> __USER_CS, __USER_DS, 0);
> }
> +EXPORT_SYMBOL_GPL(start_thread);
>
> #ifdef CONFIG_COMPAT
> void compat_start_thread(struct pt_regs *regs, u32 new_ip, u32 new_sp)
> --
> 2.16.3
>