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linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, fuse-devel@lists.linux.dev, Ihor Solodrai , Bert Karwatzki References: <20261013-b4-mmap-prepare-vma-flag-sanify-v6-0-1aa3c9b139f9@kernel.org> <20261013-b4-mmap-prepare-vma-flag-sanify-v6-25-1aa3c9b139f9@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv 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jW6CRECehb2TFIA6SeMb3ippQ9tBpLbcS9irQFnqxqW8Z5+YR/RYYC2gqkLMhr/04wKRWJNOZzGasZoUp4D9ukVdoGB/4TUrASKh1IgVb9haPuQh0A33LENg8kkf5pankcO28HpFRhFl0v8R9GVPXZ6VzWQkGakAjFs7P3xoLkBvYWoC5t8NddUYtoPdpKnE5yH7C+lEaTEqBbo+jmq8weYNXX3N9dC8Cmi6GcP9V4WgpdDze5NXD8vWSXAZd6AClJkvFcYO+suVfVx7Xy4VNveMlBh8rJXwGaJPHhFhxPN7gTfxdNK4/Mfm9IoPf9Wb+PMy3mXvO4Zh3zSP6IhKI3LhaAUdLCstKYoAzj2L5CoUTL3fbI3Efn4+dDbh2ryGnItCbXSrLYNg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 10/13/26 17:05, Lorenzo Stoakes (ARM) wrote: > It makes no sense for a mapping whose contents the kernel does not own to > specify that the range is MMIO. > > Prior to this patch, all in-tree drivers which did so have been updated > such that they are marked as not being mm-managed. The check WARNs and > fails the mmap for any out-of-tree driver that still sets VMA_IO_BIT > without a kernel mapping. > > Here VMA_PFNMAP_BIT, VMA_MIXEDMAP are tested individually rather than using > vma_flags_is_mm_managed(). > > This is because vma_flags_is_mm_managed() still checks for VMA_IO_BIT. > > The very next commit in this series removes this, and the check is then > converted to use vma_flags_is_mm_managed(). > > No functional change intended for in-tree code. > > Reviewed-by: Zi Yan > Signed-off-by: Lorenzo Stoakes (ARM) Acked-by: David Hildenbrand (Arm) -- Cheers, David