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Date: Fri, 18 Nov 2016 09:16:44 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Kyle Huey <me@kylehuey.com>,
        "Robert O'Callahan" <robert@ocallahan.org>,
        Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>,
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Subject: Re: [PATCH v12 2/7] x86/arch_prctl/64: Rename do_arch_prctl to
 do_arch_prctl_64
Message-ID: <20161118081644.GD15912@gmail.com>
References: <20161117020610.5302-1-khuey@kylehuey.com>
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* Thomas Gleixner <tglx@linutronix.de> wrote:

> On Fri, 18 Nov 2016, Ingo Molnar wrote:
> 
> > 
> > * Kyle Huey <me@kylehuey.com> wrote:
> > 
> > > In order to introduce new arch_prctls that are not 64 bit only, rename the
> > > existing 64 bit implementation to do_arch_prctl_64(). Also rename the second
> > > argument to arch_prctl(), which will no longer always be an address.
> > 
> > >  #ifdef CONFIG_X86_64
> > >  void entry_SYSCALL_64(void);
> > > +long do_arch_prctl_64(struct task_struct *task, int code, unsigned long arg2);
> > >  #endif
> > 
> > Could you please also rename the weirdly named 'code' argument to 'option',
> > to be in line with the existing sys_prctl() interface nomenclature?
> 
> I'll fix that up when picking up the series. No need for another iteration, ok?

I think the main patch needs a bit of conceptual work still:

 - simpler ABI
 - better exec() behavior
 - simpler, better, faster implementation for the MSR writes

... see the mail I just wrote.

Thanks,

	Ingo