Message-ID: <1424877601.17007.108.camel@misato.fc.hp.com>
Subject: Re: [PATCH v8 7/7] x86, mm: Add set_memory_wt() for WT
From: Toshi Kani <toshi.kani@hp.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com,
        akpm@linux-foundation.org, arnd@arndb.de, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, jgross@suse.com,
        stefan.bader@canonical.com, luto@amacapital.net, hmh@hmh.eng.br,
        yigal@plexistor.com, konrad.wilk@oracle.com, Elliott@hp.com
Date: Wed, 25 Feb 2015 08:20:01 -0700
In-Reply-To: <20150225072228.GA13061@gmail.com>
References: <1424823301-30927-1-git-send-email-toshi.kani@hp.com>
	 <1424823301-30927-8-git-send-email-toshi.kani@hp.com>
	 <20150225072228.GA13061@gmail.com>
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On Wed, 2015-02-25 at 08:22 +0100, Ingo Molnar wrote:
> * Toshi Kani <toshi.kani@hp.com> wrote:
> 
> > +int set_pages_array_wt(struct page **pages, int addrinarray)
> > +{
> > +	return _set_pages_array(pages, addrinarray, _PAGE_CACHE_MODE_WT);
> > +}
> > +EXPORT_SYMBOL(set_pages_array_wt);
> 
> So by default we make new APIs EXPORT_SYMBOL_GPL(): we 
> don't want proprietary modules mucking around with new code 
> PAT interfaces, we only want modules we can analyze and fix 
> in detail.

Right.  I have one question for this case.  This set_pages_array_wt()
extends the set_pages_array_xx() family, which are all exported with
EXPORT_SYMBOL() today.  In this case, should we keep them exported in
the consistent manner, or should we still use GPL when adding a new one?

Thanks,
-Toshi

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