Re: [PATCH 2/3] selftests: vdso: Use a header file to prototype parse_vdso API

[Mark Brown]

On Tue, May 19, 2020 at 11:29:10AM -0600, shuah wrote:
> On 5/5/20 11:47 AM, Mark Brown wrote:

> > - * These are the prototypes:
> > - */
> > -extern void vdso_init_from_auxv(void *auxv);
> > -extern void vdso_init_from_sysinfo_ehdr(uintptr_t base);
> > -extern void *vdso_sym(const char *version, const char *name);

> > + * These are the prototypes:
> > + */
> > +extern void *vdso_sym(const char *version, const char *name);
> > +extern void vdso_init_from_sysinfo_ehdr(uintptr_t base);
> > +extern void vdso_init_from_auxv(void *auxv);

> You don't need extern here - this should be in scope?

This is just code motion of existing code which has the externs.
There's no cases where you *need* the extern, it's just syntactic sugar.

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