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Mon, 03 Nov 2025 02:29:23 -0800 (PST) From: Mingye Wang To: Christian Brauner , linux-kernel@vger.kernel.org Cc: Mingye Wang Subject: [PATCH 2/2] Documentation/admin-guide/binfmt-misc/mono: add Caveats Date: Mon, 3 Nov 2025 18:27:44 +0800 Message-ID: <20251103102753.462-2-arthur200126@gmail.com> X-Mailer: git-send-email 2.49.0.windows.1 In-Reply-To: <20251103102753.462-1-arthur200126@gmail.com> References: <20251103102753.462-1-arthur200126@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This will clash with wine. Spell it out. --- Documentation/admin-guide/binfmt-misc/mono.rst | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/admin-guide/binfmt-misc/mono.rst b/Documentation/admin-guide/binfmt-misc/mono.rst index c6dab568006..a11655c72b5 100644 --- a/Documentation/admin-guide/binfmt-misc/mono.rst +++ b/Documentation/admin-guide/binfmt-misc/mono.rst @@ -68,3 +68,16 @@ other program after you have done the following: If this fails with a permission denied error, check that the ``.exe`` file has execute permissions. + +Caveats +^^^^^^^ + +You may have noticed that our registration line is virtually the same +as the one for wine, with ``MZ`` as the magic number and no offset. +This means that if you have both wine and mono installed, only one +of them will work, depending on which one was registered last. + +To solve this problem, you can use a wrapper script for either wine +or mono that checks the file type and invokes the correct interpreter. +For example, ``file`` is able to distinguish between .NET CLR binaries +and regular Windows binaries. -- 2.49.0.windows.1