linux-kernel - Re: [PATCH -fixes 0/2] Fix set_huge_pte

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Message-ID: <ca11d0f7-bc4c-4f05-89e8-690da2169fda@arm.com>
Date:   Thu, 26 Oct 2023 16:00:31 +0100
From:   Ryan Roberts <ryan.roberts@....com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Alexandre Ghiti <alex@...ti.fr>,
        Alexandre Ghiti <alexghiti@...osinc.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Andrew Jones <ajones@...tanamicro.com>,
        Qinglin Pan <panqinglin2020@...as.ac.cn>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [PATCH -fixes 0/2] Fix set_huge_pte_at()

On 26/10/2023 15:54, Andrew Morton wrote:
> On Thu, 26 Oct 2023 15:30:44 +0100 Ryan Roberts <ryan.roberts@....com> wrote:
> 
>>>>> Those fixes finally did not make it to 6.6, I was hoping for them to
>>>>> land in -rc6 or -rc7: for the future, what should have I done to avoid
>>>>> that?
>>>> They're merged in Linus's tree.
>>>>
>>>> 6f1bace9a9fb arm64: hugetlb: fix set_huge_pte_at() to work with all swap entries
>>>> 935d4f0c6dc8 mm: hugetlb: add huge page size param to set_huge_pte_at()
>>>
>>>
>>> Oops, sorry, I missed them this morning!
>>
>> Those two patches that Andrew highlights are the fix I did for arm64. Weren't
>> you referring to the corresponding patches you did for riscv, Alex?
> 
> These are in mainline:
> 
> 1de195dd0e05 riscv: fix set_huge_pte_at() for NAPOT mappings when a swap entry is set
> 117b1bb0cbc7 riscv: handle VM_FAULT_[HWPOISON|HWPOISON_LARGE] faults instead of panicking

Ahh, great - I think they were probably the ones Alex was talking about.

> 
> I'm not sure what happened to your "riscv: hugetlb: convert
> set_huge_pte_at() to take vma" - perhaps it was updated.

I modified the approach for v2 (pass size param instead of vma) and it got
squashed into 935d4f0c6dc8 mm: hugetlb: add huge page size param to
set_huge_pte_at(), which is in.