From: Will Deacon <will@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: catalin.marinas@arm.com, kernel-team@android.com,
Will Deacon <will@kernel.org>,
mark.rutland@arm.com, maz@kernel.org,
linux-kernel@vger.kernel.org, aneesh.kumar@kernel.org,
steven.price@arm.com
Subject: Re: [PATCH] arm64: realm: Fix PTE_NS_SHARED for 52bit PA support
Date: Thu, 19 Mar 2026 13:48:11 +0000 [thread overview]
Message-ID: <177392436633.2391768.4152570356691578955.b4-ty@kernel.org> (raw)
In-Reply-To: <20260316161901.2410354-1-suzuki.poulose@arm.com>
On Mon, 16 Mar 2026 16:19:01 +0000, Suzuki K Poulose wrote:
> With LPA/LPA2, the top bits of the PFN (Bits[51:48]) end up in the lower bits
> of the PTE. So, simply creating a mask of the "top IPA bit" doesn't work well
> for these configurations to set the "top" bit at the output of Stage1
> translation.
>
> Fix this by using the __phys_to_pte_val() to do the right thing for all
> configurations.
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64: realm: Fix PTE_NS_SHARED for 52bit PA support
https://git.kernel.org/arm64/c/8c6e9b60f5c7
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
prev parent reply other threads:[~2026-03-19 13:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-16 16:19 Suzuki K Poulose
2026-03-16 17:54 ` Catalin Marinas
2026-03-18 11:36 ` Steven Price
2026-03-19 13:48 ` Will Deacon [this message]
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