linux-kernel - Re: [PATCH v3] arm64: mm: fix p?d

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Date:   Fri, 22 Apr 2022 11:55:36 +0100
From:   Will Deacon <will@...nel.org>
To:     anshuman.khandual@....com, aneesh.kumar@...ux.ibm.com,
        Muchun Song <songmuchun@...edance.com>,
        akpm@...ux-foundation.org, quic_qiancai@...cinc.com,
        catalin.marinas@....com, arnd@...db.de, steven.price@....com,
        lengxujun2007@....com
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        smuchun@...il.com, duanxiongchun@...edance.com
Subject: Re: [PATCH v3] arm64: mm: fix p?d_leaf()

On Fri, 22 Apr 2022 14:00:33 +0800, Muchun Song wrote:
> The pmd_leaf() is used to test a leaf mapped PMD, however, it misses
> the PROT_NONE mapped PMD on arm64.  Fix it.  A real world issue [1]
> caused by this was reported by Qian Cai. Also fix pud_leaf().
> 
> 

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: mm: fix p?d_leaf()
      https://git.kernel.org/arm64/c/23bc8f69f0ec

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev