Re: [PATCH 19/25] arm64: ptrace: handle ptrace_request differently for aarch32 and ilp32

From: Catalin Marinas
Date: Mon Apr 25 2016 - 12:57:33 EST


On Sat, Apr 23, 2016 at 12:40:13AM +0300, Yury Norov wrote:
> On Fri, Apr 22, 2016 at 06:10:09PM +0100, Catalin Marinas wrote:
> > On Wed, Apr 06, 2016 at 01:08:41AM +0300, Yury Norov wrote:
> > > Here new aarch32 ptrace syscall handler is introsuced to avoid run-time
> > > detection of the task type.
> >
> > The reason for this patch isn't clear to me. What's wrong with the
> > run-time detection? It's not some performance critical code.
>
> It was requested by Arnd, It's not 'new' syscall basically, just an
> attempt to avoid run-time detection of things that may be detected an
> compile-time.

OK. I noticed that it touches core files and wondering whether it was
necessary but I'm fine with this approach.

--
Catalin