linux-kernel - Re: [PATCH v2 01/11] powerpc/mm: Adds counting method to monitor lockless pgtable walks

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Message-ID: <5492a97960d6991e578caa54ba1536a8e38c7175.camel@linux.ibm.com>
Date:   Mon, 23 Sep 2019 17:50:03 -0300
From:   Leonardo Bras <leonardo@...ux.ibm.com>
To:     John Hubbard <jhubbard@...dia.com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, Linux-MM <linux-mm@...ck.org>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Arnd Bergmann <arnd@...db.de>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Christophe Leroy <christophe.leroy@....fr>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Nicholas Piggin <npiggin@...il.com>,
        Mahesh Salgaonkar <mahesh@...ux.vnet.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Richard Fontana <rfontana@...hat.com>,
        Ganesh Goudar <ganeshgr@...ux.ibm.com>,
        Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Keith Busch <keith.busch@...el.com>
Subject: Re: [PATCH v2 01/11] powerpc/mm: Adds counting method to monitor
 lockless pgtable walks

On Mon, 2019-09-23 at 13:42 -0700, John Hubbard wrote:
> Somewhere, there should be a short comment that explains how the following functions
> are meant to be used. And it should include the interaction with irqs, so maybe
> if you end up adding that combined wrapper function that does both, that's 
> where the documentation would go. If not, then here is probably where it goes.

Thanks for the feedback.
I will make sure to add comments here for v3.

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