linux-kernel - Re: [PATCH 0/5] [v4] Allow persistent memory to be used like normal RAM

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Message-ID: <20190125190820.GC3237@redhat.com>
Date:   Fri, 25 Jan 2019 14:08:22 -0500
From:   Jerome Glisse <jglisse@...hat.com>
To:     Dave Hansen <dave.hansen@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, dan.j.williams@...el.com,
        dave.jiang@...el.com, zwisler@...nel.org, vishal.l.verma@...el.com,
        thomas.lendacky@....com, akpm@...ux-foundation.org,
        mhocko@...e.com, linux-nvdimm@...ts.01.org, linux-mm@...ck.org,
        ying.huang@...el.com, fengguang.wu@...el.com, bp@...e.de,
        bhelgaas@...gle.com, baiyaowei@...s.chinamobile.com, tiwai@...e.de
Subject: Re: [PATCH 0/5] [v4] Allow persistent memory to be used like normal
 RAM

On Thu, Jan 24, 2019 at 03:14:41PM -0800, Dave Hansen wrote:
> v3 spurred a bunch of really good discussion.  Thanks to everybody
> that made comments and suggestions!
> 
> I would still love some Acks on this from the folks on cc, even if it
> is on just the patch touching your area.
> 
> Note: these are based on commit d2f33c19644 in:
> 
> 	git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git libnvdimm-pending
> 
> Changes since v3:
>  * Move HMM-related resource warning instead of removing it
>  * Use __request_resource() directly instead of devm.
>  * Create a separate DAX_PMEM Kconfig option, complete with help text
>  * Update patch descriptions and cover letter to give a better
>    overview of use-cases and hardware where this might be useful.

This one looks good to me, i will give it a go on monday to
test against nouveau and HMM.

Cheers,
Jérôme