linux-kernel - Re: [PATCH v8 7/7] x86, mm: Add set_memory

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1424877601.17007.108.camel@misato.fc.hp.com>
Date:	Wed, 25 Feb 2015 08:20:01 -0700
From:	Toshi Kani <toshi.kani@...com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	hpa@...or.com, tglx@...utronix.de, mingo@...hat.com,
	akpm@...ux-foundation.org, arnd@...db.de, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, jgross@...e.com,
	stefan.bader@...onical.com, luto@...capital.net, hmh@....eng.br,
	yigal@...xistor.com, konrad.wilk@...cle.com, Elliott@...com
Subject: Re: [PATCH v8 7/7] x86, mm: Add set_memory_wt() for WT

On Wed, 2015-02-25 at 08:22 +0100, Ingo Molnar wrote:
> * Toshi Kani <toshi.kani@...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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/