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Wed, 22 Oct 2025 02:52:34 -0700 (PDT) Received: from google.com ([2a00:79e0:201d:8:5534:56e9:528e:f9b4]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b6a76b349b2sm12903519a12.23.2025.10.22.02.52.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Oct 2025 02:52:34 -0700 (PDT) Date: Wed, 22 Oct 2025 17:52:29 +0800 From: Chen-Yu Tsai To: Josh Poimboeuf Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Petr Mladek , Miroslav Benes , Joe Lawrence , live-patching@vger.kernel.org, Song Liu , laokz , Jiri Kosina , Marcos Paulo de Souza , Weinan Liu , Fazla Mehrab , Chen Zhongjin , Puranjay Mohan , Dylan Hatch , Peter Zijlstra , Alexander Stein , Marek Szyprowski , Mark Brown , Cosmin Tanislav Subject: Re: [PATCH] module: Fix device table module aliases Message-ID: <20251022095229.GA715916@google.com> References: Precedence: bulk X-Mailing-List: live-patching@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Oct 20, 2025 at 10:53:40AM -0700, Josh Poimboeuf wrote: > Commit 6717e8f91db7 ("kbuild: Remove 'kmod_' prefix from > __KBUILD_MODNAME") inadvertently broke module alias generation for > modules which rely on MODULE_DEVICE_TABLE(). > > It removed the "kmod_" prefix from __KBUILD_MODNAME, which caused > MODULE_DEVICE_TABLE() to generate a symbol name which no longer matched > the format expected by handle_moddevtable() in scripts/mod/file2alias.c. > > As a result, modpost failed to find the device tables, leading to > missing module aliases. > > Fix this by explicitly adding the "kmod_" string within the > MODULE_DEVICE_TABLE() macro itself, restoring the symbol name to the > format expected by file2alias.c. > > Fixes: 6717e8f91db7 ("kbuild: Remove 'kmod_' prefix from __KBUILD_MODNAME") > Reported-by: Alexander Stein > Reported-by: Marek Szyprowski > Reported-by: Mark Brown > Reported-by: Cosmin Tanislav > Signed-off-by: Josh Poimboeuf Tested-by: Chen-Yu Tsai