From: Will Deacon <will@kernel.org>
To: catalin.marinas@arm.com, liulhong617@163.com
Cc: kernel-team@android.com, Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, liulhong617 <liulhong617@gmail.com>
Subject: Re: [PATCH] arm64: mm: fix accidental linear mapping of no-map reserved memory
Date: Thu, 6 Aug 2026 18:11:41 +0100 [thread overview]
Message-ID: <178602241325.427442.8605112911020828131.b4-ty@kernel.org> (raw)
In-Reply-To: <20260513010255.3764038-1-liulhong617@163.com>
On Wed, 13 May 2026 09:02:55 +0800, liulhong617@163.com wrote:
> When reserved-memory regions with the "no-map" property are not
> page-aligned, the kernel may accidentally map them into the linear
> mapping, contradicting the no-map semantics.
>
> The root cause is a mismatch between /proc/iomem's address boundaries
> and the actual page table mapping boundaries:
>
> [...]
Applied to arm64 (for-next/mm), thanks!
[1/1] arm64: mm: fix accidental linear mapping of no-map reserved memory
https://git.kernel.org/arm64/c/7ace06a01efa
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
prev parent reply other threads:[~2026-08-06 17:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-13 1:02 [PATCH] arm64: mm: fix accidental linear mapping of no-map reserved memory liulhong617
2026-07-16 14:01 ` Will Deacon
2026-07-27 1:55 ` Lianghong Liu
2026-08-04 13:41 ` Will Deacon
2026-08-04 14:24 ` Ard Biesheuvel
2026-08-06 13:16 ` Will Deacon
2026-08-06 17:11 ` Will Deacon [this message]
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