linux-kernel - Re: mm: change huge_ptep_clear_flush() to return the original pte

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Message-ID: <548a60d7-80bb-7551-cdc1-f9a58071a76b@linux.alibaba.com>
Date:   Fri, 27 May 2022 12:56:42 +0800
From:   Baolin Wang <baolin.wang@...ux.alibaba.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org,
        Linux regressions mailing list <regressions@...ts.linux.dev>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Matthew Wilcox <willy@...radead.org>
Subject: Re: mm: change huge_ptep_clear_flush() to return the original pte



On 5/27/2022 11:42 AM, Linus Torvalds wrote:
> On Thu, May 26, 2022 at 8:36 PM Baolin Wang
> <baolin.wang@...ux.alibaba.com> wrote:
>>
>> That is caused by commit:
>>
>> 00df1f1a133b ("mm: change huge_ptep_clear_flush() to return the original
>> pte")
>>
>> interacting with commit:
>>
>> fb396bb459c1 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()")
>>
>> And Catalin has fixed the conflict with below changes [1], not sure why
>> it is not merged.
> 
> Argh. Nobody informed me (or if they did, I clearly missed it).
> 
>> Linus, should I send a proper patch to fix this conflict for you?
> 
> Yeah, somebody please send me a proper tested fix-up patch with commit
> message etc.

Sure. I send out a fix patch [1] which is already tested in linux-next 
for several days.

[1] 
https://lore.kernel.org/all/814e20c19b110209ee12ecae7cb05f8a78d021c8.1653625820.git.baolin.wang@linux.alibaba.com/