linux-kernel - Re: [PATCH v17 19/35] arch/mm: Export direct {un,}map functions

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Message-ID: <2f4c44ad-b309-4baa-ac21-2ae19efd31fb@redhat.com>
Date: Mon, 26 Feb 2024 12:53:48 +0100
From: David Hildenbrand <david@...hat.com>
To: Christoph Hellwig <hch@...radead.org>, Will Deacon <will@...nel.org>,
 Quentin Perret <qperret@...gle.com>,
 Chris Goldsworthy <quic_cgoldswo@...cinc.com>,
 Android KVM <android-kvm@...gle.com>, Patrick Daly <quic_pdaly@...cinc.com>,
 Alex Elder <elder@...aro.org>,
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
 Murali Nalajal <quic_mnalajal@...cinc.com>,
 Trilok Soni <quic_tsoni@...cinc.com>,
 Srivatsa Vaddagiri <quic_svaddagi@...cinc.com>,
 Carl van Schaik <quic_cvanscha@...cinc.com>,
 Philip Derrin <quic_pderrin@...cinc.com>,
 Prakruthi Deepak Heragu <quic_pheragu@...cinc.com>,
 Jonathan Corbet <corbet@....net>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Catalin Marinas
 <catalin.marinas@....com>, Konrad Dybcio <konrad.dybcio@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Fuad Tabba
 <tabba@...gle.com>, Sean Christopherson <seanjc@...gle.com>,
 Andrew Morton <akpm@...ux-foundation.org>, linux-arm-msm@...r.kernel.org,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mm@...ck.org
Subject: Re: [PATCH v17 19/35] arch/mm: Export direct {un,}map functions

On 26.02.24 12:06, Christoph Hellwig wrote:
> The point is that we can't we just allow modules to unmap data from
> the kernel mapping, no matter how noble your intentions are.

I absolutely agree.

-- 
Cheers,

David / dhildenb