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Date: Thu, 14 Feb 2019 17:15:52 +0100
From: Borislav Petkov <bp@...en8.de>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Khalid Aziz <khalid.aziz@...cle.com>, juergh@...il.com, tycho@...ho.ws,
jsteckli@...zon.de, ak@...ux.intel.com,
torvalds@...ux-foundation.org, liran.alon@...cle.com,
keescook@...gle.com, akpm@...ux-foundation.org, mhocko@...e.com,
catalin.marinas@....com, will.deacon@....com, jmorris@...ei.org,
konrad.wilk@...cle.com,
Juerg Haefliger <juerg.haefliger@...onical.com>,
deepa.srinivasan@...cle.com, chris.hyser@...cle.com,
tyhicks@...onical.com, dwmw@...zon.co.uk, andrew.cooper3@...rix.com,
jcm@...hat.com, boris.ostrovsky@...cle.com,
kanth.ghatraju@...cle.com, oao.m.martins@...cle.com,
jmattson@...gle.com, pradeep.vincent@...cle.com,
john.haxby@...cle.com, tglx@...utronix.de,
kirill.shutemov@...ux.intel.com, hch@....de,
steven.sistare@...cle.com, labbott@...hat.com, luto@...nel.org,
dave.hansen@...el.com, kernel-hardening@...ts.openwall.com,
linux-mm@...ck.org, x86@...nel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Tycho Andersen <tycho@...ker.com>,
Marco Benatto <marco.antonio.780@...il.com>
Subject: Re: [RFC PATCH v8 03/14] mm, x86: Add support for eXclusive Page
Frame Ownership (XPFO)
On Thu, Feb 14, 2019 at 11:56:31AM +0100, Peter Zijlstra wrote:
> > +EXPORT_SYMBOL(xpfo_kunmap);
>
> And these here things are most definitely not IRQ-safe.
Should also be EXPORT_SYMBOL_GPL.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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