linux-kernel - Re: [PATCH 10/17] prmem: documentation

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Message-Id: <59E8A6FB-9762-499F-89AC-D85E1498BE38@gmail.com>
Date:   Thu, 1 Nov 2018 11:31:59 -0500
From:   Nadav Amit <nadav.amit@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Andy Lutomirski <luto@...capital.net>,
        Matthew Wilcox <willy@...radead.org>,
        Kees Cook <keescook@...omium.org>,
        Igor Stoppa <igor.stoppa@...il.com>,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Dave Chinner <david@...morbit.com>,
        James Morris <jmorris@...ei.org>,
        Michal Hocko <mhocko@...nel.org>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        linux-integrity <linux-integrity@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        Igor Stoppa <igor.stoppa@...wei.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Jonathan Corbet <corbet@....net>,
        Laura Abbott <labbott@...hat.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 10/17] prmem: documentation

From: Peter Zijlstra
Sent: October 31, 2018 at 9:08:35 AM GMT
> To: Nadav Amit <nadav.amit@...il.com>
> Cc: Andy Lutomirski <luto@...capital.net>, Matthew Wilcox <willy@...radead.org>, Kees Cook <keescook@...omium.org>, Igor Stoppa <igor.stoppa@...il.com>, Mimi Zohar <zohar@...ux.vnet.ibm.com>, Dave Chinner <david@...morbit.com>, James Morris <jmorris@...ei.org>, Michal Hocko <mhocko@...nel.org>, Kernel Hardening <kernel-hardening@...ts.openwall.com>, linux-integrity <linux-integrity@...r.kernel.org>, linux-security-module <linux-security-module@...r.kernel.org>, Igor Stoppa <igor.stoppa@...wei.com>, Dave Hansen <dave.hansen@...ux.intel.com>, Jonathan Corbet <corbet@....net>, Laura Abbott <labbott@...hat.com>, Randy Dunlap <rdunlap@...radead.org>, Mike Rapoport <rppt@...ux.vnet.ibm.com>, open list:DOCUMENTATION <linux-doc@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>
> Subject: Re: [PATCH 10/17] prmem: documentation
> 
> 
> On Tue, Oct 30, 2018 at 04:18:39PM -0700, Nadav Amit wrote:
>>> Nadav, want to resubmit your series? IIRC the only thing wrong with it was
>>> that it was a big change and we wanted a simpler fix to backport. But
>>> that’s all done now, and I, at least, rather liked your code. :)
>> 
>> I guess since it was based on your ideas…
>> 
>> Anyhow, the only open issue that I have with v2 is Peter’s wish that I would
>> make kgdb use of poke_text() less disgusting. I still don’t know exactly
>> how to deal with it.
>> 
>> Perhaps it (fixing kgdb) can be postponed? In that case I can just resend
>> v2.
> 
> Oh man, I completely forgot about kgdb :/
> 
> Also, would it be possible to entirely remove that kmap fallback path?

Let me see what I can do about it.