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

From Catalin Marinas <catalin.marinas@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH 19/25] arm64: ptrace: handle ptrace_request differently for aarch32 and ilp32
Date 2016-04-25 19:00 +0200
Message-ID <rrS1A-Kw-5@gated-at.bofh.it> (permalink)
References <rkHkD-2hR-23@gated-at.bofh.it> <rkHuk-2lA-63@gated-at.bofh.it> <rqMUj-5Du-47@gated-at.bofh.it> <rrS1A-Kw-7@gated-at.bofh.it>
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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

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Re: [PATCH 19/25] arm64: ptrace: handle ptrace_request differently  for aarch32 and ilp32 Catalin Marinas <catalin.marinas@arm.com> - 2016-04-22 19:20 +0200
  Re: [PATCH 19/25] arm64: ptrace: handle ptrace_request differently  for aarch32 and ilp32 Catalin Marinas <catalin.marinas@arm.com> - 2016-04-25 19:00 +0200

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