From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7A98E3C1961; Tue, 3 Feb 2026 16:24:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770135865; cv=none; b=rkOVbmNwCZEbtk2IkaYpmu7IfRUJjGXpB1Hc39aaabh9TMWSBNGiZDU3MU8U0un1xz/jQgKVaJaVWS4I3BzoOaa0Oo/VTEfBe+7may28yy8VAkqlD6f+WQ612PTdP+6S4WLXxIG2MLAAd/r0nhvPVzJz5YNoWKIdpmR4E0HXlk4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770135865; c=relaxed/simple; bh=8NKPdRGnNXMEdz6SK51aPIBdadbt+NTxQ5tH5rjBnLo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=lO3qu7JCLE66+XEVxVvRX00DGpJvR7iMVdfyf54n7wmiscbywo7VwmuG2V0HP0FYQemguOMu87cMpEXnjva7SF0ECGkM8b0WN/myipmb2BKQa9oZFhchHDpvax7xFhV63UCcYF7sSDXesVaDfuj9mkfU9ijo+Qwiv5BvzAqXcP0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MaUjymV4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MaUjymV4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67218C16AAE; Tue, 3 Feb 2026 16:24:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770135865; bh=8NKPdRGnNXMEdz6SK51aPIBdadbt+NTxQ5tH5rjBnLo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MaUjymV4lKdPf0XW+6SntLKjqRu0SDylDV87yaAezrkqan0kKNSBHX779dFlqpeQH FYhIfLq5kq5KszvVkPnx0PHf3l15PcMZIVUgs0J6Yq+4d+hAtwCy0yj00Mw4kuIf3c kNVfliAXcz4lqQSy32MHVXv7mwLZWtGN6hVn6imLl9F6pUW+ExsN3UrvXI/Bn6UtWK DSHsp6w8Z9Xsh6QPHfipea6LeSd4dZh7u3TVVsZeyljiBZhTf3H8xZUPYfCfb2nbQN 2FfoIUVILOtvCm9ceEcjJgtGjp8HPYY2hFXlmeSA+X5SHOE8cbIZtle9RYq7ivoNqd PtWit4mC/NaAQ== From: Arnd Bergmann To: Will Deacon , Robin Murphy , Joerg Roedel , Andrew Morton , Thomas Gleixner Cc: linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Arnd Bergmann Subject: [PATCH 2/2] [RFC] iommu: io-pgtable-arm-v7s: avoid gcc-16.0.1 section mismatch Date: Tue, 3 Feb 2026 17:24:00 +0100 Message-Id: <20260203162406.2215716-2-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260203162406.2215716-1-arnd@kernel.org> References: <20260203162406.2215716-1-arnd@kernel.org> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Arnd Bergmann gcc-16 has gained some more advanced inlining techniques that enable it to inline the dummy_tlb_add_page() and dummy_tlb_flush() function pointers into a specialized version of __arm_v7s_unmap: WARNING: modpost: vmlinux: section mismatch in reference: __arm_v7s_unmap+0x2cc (section: .text) -> dummy_tlb_add_page (section: .init.text) >From what I can tell, the transformation is correct, as this is only called when __arm_v7s_unmap() is called from arm_v7s_do_selftests(), which is also __init. I have not come up with a good workaround, so this simply marks dummy_tlb_add_page() as not __init. Since there are currently only two files where this happens, that may be an easy way out. If anyone has a better idea for how to deal with that, let me know! Signed-off-by: Arnd Bergmann --- drivers/iommu/io-pgtable-arm-v7s.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index 523355e91a2c..705885924afb 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -775,23 +775,23 @@ struct io_pgtable_init_fns io_pgtable_arm_v7s_init_fns = { #ifdef CONFIG_IOMMU_IO_PGTABLE_ARMV7S_SELFTEST -static struct io_pgtable_cfg *cfg_cookie __initdata; +static struct io_pgtable_cfg *cfg_cookie; static void __init dummy_tlb_flush_all(void *cookie) { WARN_ON(cookie != cfg_cookie); } -static void __init dummy_tlb_flush(unsigned long iova, size_t size, +static void dummy_tlb_flush(unsigned long iova, size_t size, size_t granule, void *cookie) { WARN_ON(cookie != cfg_cookie); WARN_ON(!(size & cfg_cookie->pgsize_bitmap)); } -static void __init dummy_tlb_add_page(struct iommu_iotlb_gather *gather, - unsigned long iova, size_t granule, - void *cookie) +static void dummy_tlb_add_page(struct iommu_iotlb_gather *gather, + unsigned long iova, size_t granule, + void *cookie) { dummy_tlb_flush(iova, granule, granule, cookie); } -- 2.39.5