linux-kernel - Re: [PATCH v38 10/24] mm: Add vm

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Date:   Mon, 28 Sep 2020 23:19:59 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Sean Christopherson <sean.j.christopherson@...el.com>,
        Haitao Huang <haitao.huang@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org>,
        linux-sgx@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jethro Beekman <jethro@...tanix.com>,
        Darren Kenny <darren.kenny@...cle.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        asapek@...gle.com, Borislav Petkov <bp@...en8.de>,
        "Xing, Cedric" <cedric.xing@...el.com>, chenalexchen@...gle.com,
        Conrad Parker <conradparker@...gle.com>, cyhanish@...gle.com,
        "Huang, Haitao" <haitao.huang@...el.com>,
        Josh Triplett <josh@...htriplett.org>,
        "Huang, Kai" <kai.huang@...el.com>,
        "Svahn, Kai" <kai.svahn@...el.com>, Keith Moyer <kmoy@...gle.com>,
        Christian Ludloff <ludloff@...gle.com>,
        Neil Horman <nhorman@...hat.com>,
        Nathaniel McCallum <npmccallum@...hat.com>,
        Patrick Uiterwijk <puiterwijk@...hat.com>,
        David Rientjes <rientjes@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>, yaozhangx@...gle.com
Subject: Re: [PATCH v38 10/24] mm: Add vm_ops->mprotect()

On Mon, Sep 28, 2020 at 12:45:27PM -0700, Dave Hansen wrote:
> On 9/28/20 12:32 PM, Jarkko Sakkinen wrote:
> > My problem is that I fully agree what you say in your description but
> > disagree on that EMODPE should not be mentioned.
> 
> I'll just be very clear: I'm not willing to ack any patch with a
> changelog that has more than a passing mention of EMODPE.
> 
> Do what you think is best, but if sticking to your guns may deplete the
> pool of folks willing to ack your patch.

I do see it mentioned in other responses too in this thread, and not
just mine.

And here is even a request to get it to the changelog:

https://lore.kernel.org/linux-sgx/1B23E216-0229-4BDD-8B09-807256A54AF5@amacapital.net/

I'm absolutely fine not to mention EMODPE but after re-reading the
thread, it is not like there is one voice on it. I don't really
care all that much whether it is mentioned or not but there should
be some reasonable logic behind the decision.

PS. I just noticed that my previous response did not reach lore so
I bounced it again.

/Jarkko