linux-kernel - Re: use memcpy_mcsafe() for copy_to_iter() (was: Re: [PATCH v3 0/9] Series short description)

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Message-ID: <CAPcyv4j2HQH1wdsGGWUAiXEKXeoMUWN_HeUEMmkv8PG7RUTtfw@mail.gmail.com>
Date:   Mon, 14 May 2018 08:52:02 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-nvdimm <linux-nvdimm@...ts.01.org>,
        "Luck, Tony" <tony.luck@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Snitzer <snitzer@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>, X86 ML <x86@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...capital.net>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Mika Penttilä <mika.penttila@...tfour.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Christoph Hellwig <hch@....de>,
        Al Viro <viro@...iv.linux.org.uk>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: use memcpy_mcsafe() for copy_to_iter() (was: Re: [PATCH v3 0/9]
 Series short description)

On Mon, May 14, 2018 at 12:26 AM, Ingo Molnar <mingo@...nel.org> wrote:
>
> * Dan Williams <dan.j.williams@...el.com> wrote:
>
>> Ingo, Thomas, Al, any concerns with this series?
>
> Yeah, so:
>
>    "[PATCH v3 0/9] Series short description"
>
> ... isn't the catchiest of titles to capture my [all too easily distracted]
> attention! ;-)

My bad! After that mistake it became a toss-up between more spam and
hoping the distraction would not throw you off.

> I have marked it now for -tip processing. Linus was happy with this and acked the
> approach, right?

I think "happy" is a strong word when it comes to x86 machine check
handling. My interpretation is that he and Andy acquiesced that this
is about the best we can do with dax+mce as things stand today.