From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0437D3B8130 for ; Wed, 24 Jun 2026 15:35:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782315321; cv=none; b=cYT/Ezku/Sn5WjQHDPKzOKUh6nHR8hDk+WSS/GiP4lO5N24gOXn2YB8qklLDGFsBFm+gl9Yki+l3KULmlwJpEjgMa8xFrnNWHqaPJ/B1AuIDNTgC/oVuA9p7N1KFoQzluPAOw+tjtsNg6yFq9k73xrXpyBKxgNFhUbzj2oV5e0U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782315321; c=relaxed/simple; bh=HQwWPy+XcMl09ZOvDTa4vNwX72IZIYyrA8/mwnQgdm4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=HriV4jTUc3t7Qo3WcaEeBPuC1WfMcsA5504mk+xRIPGTbEuxBocuelLjSQhhq5evO6Jl9qXYvVpxY3AOwG9mWtdLyFmPNY7Hy9FTQ17Qu9DZWVb0hYh6rKU51U9blkuhvlwlVw1Qk1YRM31p237alxQA/hlSdtwj6V8YHGZJCPs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WBmziv+y; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WBmziv+y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9C831F000E9; Wed, 24 Jun 2026 15:35:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782315319; bh=qjqaw7UGeghpUlDyhDEvEPqJTodAy5wxI6bXZ6qHe10=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=WBmziv+yn1h05+vjfNPyjrfgrkev12cTrf6Ajg5QVO9GcIq65zka0KAB/xfCuVT0J t0gacIIztxB+7QC8K0ew1DsMbX7Ec/zRAC0/+Vxj62+p1jI3+7xradUvZcW1hNMY1B 1dyanpkn1zG6c5Basg0wyQxry9euXh5YIUeZzknCJlvmlCiCf1EiHfEamci2TJHOrF qbhgBs1dtdkr1Cd4u3SchMnqLF8ci4/68BqI/yO0qf6d8wyVa8ws89UrAH9K6T6Zi/ oLAbzaphG1mHrvnZ9uoQQGe8N2bXoozpVWauOo8EUp8rw5X2rHGD1GPxkmLj+gob3F LDg9f5QuR8YIA== From: Will Deacon To: linux-arm-kernel@lists.infradead.org, Ard Biesheuvel Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , linux-kernel@vger.kernel.org, Kevin Brodsky , Ard Biesheuvel , Fuad Tabba Subject: Re: [PATCH v2] arm64: mm: Defer read-only remap of data/bss linear alias Date: Wed, 24 Jun 2026 16:35:11 +0100 Message-ID: <178230913536.3255088.6409462291781570977.b4-ty@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260623202817.2225495-2-ardb+git@google.com> References: <20260623202817.2225495-2-ardb+git@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Tue, 23 Jun 2026 22:28:18 +0200, Ard Biesheuvel wrote: > Since commit > > f2ba877402e5 ("arm64: mm: Map the kernel data/bss read-only in the linear map") > > the linear alias of the .data and .bss regions is remapped read-only > early during the boot. (Note that a subsequent patch to unmap this > region entirely was reverted just before the v7.2 merge window, and will > be brought back in an improved form for the v7.3 cycle) > > [...] Applied to arm64 (for-next/core), thanks! [1/1] arm64: mm: Defer read-only remap of data/bss linear alias https://git.kernel.org/arm64/c/36fa5ffa6034 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev