linux-kernel - Re: [PATCH v6 14/41] x86/mm: Introduce _PAGE_SAVED

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Date:   Wed, 22 Feb 2023 09:54:36 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     Kees Cook <kees@...nel.org>, David Hildenbrand <david@...hat.com>,
        "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>,
        "bsingharora@...il.com" <bsingharora@...il.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "Syromiatnikov, Eugene" <esyr@...hat.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "rdunlap@...radead.org" <rdunlap@...radead.org>,
        "keescook@...omium.org" <keescook@...omium.org>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
        "Eranian, Stephane" <eranian@...gle.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "fweimer@...hat.com" <fweimer@...hat.com>,
        "nadav.amit@...il.com" <nadav.amit@...il.com>,
        "jannh@...gle.com" <jannh@...gle.com>,
        "dethoma@...rosoft.com" <dethoma@...rosoft.com>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "kcc@...gle.com" <kcc@...gle.com>, "pavel@....cz" <pavel@....cz>,
        "oleg@...hat.com" <oleg@...hat.com>,
        "hjl.tools@...il.com" <hjl.tools@...il.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "Lutomirski, Andy" <luto@...nel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "Schimpe, Christina" <christina.schimpe@...el.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "mike.kravetz@...cle.com" <mike.kravetz@...cle.com>,
        "Yang, Weijiang" <weijiang.yang@...el.com>,
        "debug@...osinc.com" <debug@...osinc.com>,
        "jamorris@...ux.microsoft.com" <jamorris@...ux.microsoft.com>,
        "john.allen@....com" <john.allen@....com>,
        "rppt@...nel.org" <rppt@...nel.org>,
        "andrew.cooper3@...rix.com" <andrew.cooper3@...rix.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "corbet@....net" <corbet@....net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-api@...r.kernel.org" <linux-api@...r.kernel.org>,
        "gorcunov@...il.com" <gorcunov@...il.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Cc:     "Yu, Yu-cheng" <yu-cheng.yu@...el.com>
Subject: Re: [PATCH v6 14/41] x86/mm: Introduce _PAGE_SAVED_DIRTY

On 2/22/23 09:42, Kees Cook wrote:
> On February 22, 2023 9:27:35 AM PST, David Hildenbrand <david@...hat.com> wrote:
>> On 22.02.23 18:23, Dave Hansen wrote:
>>> On 2/22/23 01:05, David Hildenbrand wrote:
>>>> This series wasn't in -next and we're in the merge window. Is the plan
>>>> to still include it into this merge window?
>>> No way.  It's 6.4 material at the earliest.
>>>
>>> I'm just saying to Rick not to worry _too_ much about earlier feedback
>>> from me if folks have more recent review feedback.
>> Great. So I hope we can get this into -next soon and that we'll only get non-earth-shattering feedback so this can land in 6.4.
> Yes please. Who's going to take it? 😄

I'm more than happy to queue it in x86/mm.  I'll plan to queue Rick's
next version that he posts and then we can do any fixes or minor changes
on top of that.