Re: [PATCH 2/3 RESEND] ptrace: cleanup address space conversion on ptrace_request()

Arnd Bergmann
2010-08-25T11:42:53Z

On Wednesday 25 August 2010, Namhyung Kim wrote:
> Arnd Bergmann <arnd@arndb.de> writes:
> > I don't think we ever rely on 'data' being signed, and user space
> > sees it as 'void *' anyway, so it should be possible to just turn
> > it into 'unsigned long'.
> >
>
> After I've checked all arch_ptrace() code, I can think there is no specific
> reason @addr and @data to be signed long types. Most of archs use them
> as if they were unsigned. So I'll prepare a patch series to change this
> and some cleanups of ptrace_request() and all of arch_ptrace() if no
> objection exists.

Sounds good to me.

Arnd