From nobody Sun Feb 8 04:00:32 2026 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 8832B210F59; Tue, 29 Apr 2025 04:06:17 +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=1745899577; cv=none; b=JilON7LA5nt0tSp9ueYCsCeNYx34VZr650z8Pr9/1rpkOmdCsSATMKUg2lwjuKmGK9DY9FX7SJri8kXl8k8dHNfsJaQ2fVxBavGwOrK4MsBLkJwAkgQIi3Fhb9U5AzGpS2NE8rSUaqD7vrBkjl2xqMVGuTQss2B1m7Qj9ouD234= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745899577; c=relaxed/simple; bh=puwaWg0YW0DjsEBEYIoY8x/bLms2MxI/ob3ZfklRDPw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=GgZjT7ElXAqxC2kEp9ARElSu871fbQG5E+zbaHTMSGbr+t5ftaIIqfnAV6HnY/Gn7CnXYxYGOCcDfCP15w729UDW9f3J7sX5DE12FKx8L+d5POZ1woyk1xO3PTMrog+bYxhEYq0SDGgInPqu0VmF4XIAtJv8tHGs5krJ6S/Y9Ow= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=c0NlFGD/; 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="c0NlFGD/" Received: by smtp.kernel.org (Postfix) with ESMTPS id 469C7C4CEF3; Tue, 29 Apr 2025 04:06:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745899577; bh=puwaWg0YW0DjsEBEYIoY8x/bLms2MxI/ob3ZfklRDPw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=c0NlFGD/nhB9z6/D4xtydBdI9lJs5L3xbB+eo5cTRMg4n9RpEdjaAhdvc2frC/XoC 5Lj5jHazpgfih7eU9Ip8zL87n2W5/Y7Xl7J5MUrNvUFI2sb3RB4BqU5pWTALmAZxrL regj0Ag6HkRUHS3xBvMdE2pb2vrLgesn1qt2AbGY8HXFnjIdmTVcNrNrmloKS1de70 gu28EB9CLlaP68ai4PHXtKJqNUO/eYwYJM4vU8DspesAceo2GgBqak5RBzqxLyJenI KBmESNyXPRuCOOdoZcRlGFtuk67AXj0qsy35tYZK+DJvG69bCPTNEcNR9Ad1mpMaJl Y5LlZLpxc/FHA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A16FC369CB; Tue, 29 Apr 2025 04:06:17 +0000 (UTC) From: Chen Linxuan via B4 Relay Date: Tue, 29 Apr 2025 12:06:11 +0800 Subject: [PATCH RFC v3 7/8] x86/xen: add __init for xen_pgd_walk Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250429-noautoinline-v3-7-4c49f28ea5b5@uniontech.com> References: <20250429-noautoinline-v3-0-4c49f28ea5b5@uniontech.com> In-Reply-To: <20250429-noautoinline-v3-0-4c49f28ea5b5@uniontech.com> To: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Andrew Morton , Yishai Hadas , Jason Gunthorpe , Shameer Kolothum , Kevin Tian , Alex Williamson , Peter Huewe , Jarkko Sakkinen , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , Mathieu Desnoyers , Peter Zijlstra , "Paul E. 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Peter Anvin" Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, virtualization@lists.linux.dev, linux-integrity@vger.kernel.org, linux-kbuild@vger.kernel.org, llvm@lists.linux.dev, Winston Wen , kasan-dev@googlegroups.com, xen-devel@lists.xenproject.org, Chen Linxuan , Changbin Du X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1213; i=chenlinxuan@uniontech.com; h=from:subject:message-id; bh=lLv+eC36iR+BfXD2pJvuB8T7k1wRLfuYuYg6Rtr4yeI=; b=owEBbQKS/ZANAwAKAXYe5hQ5ma6LAcsmYgBoEFA0cu56sCmDMkf/pntxUHuMuekP/XRkxukwU 9g4TyNMqLaJAjMEAAEKAB0WIQTO1VElAk6xdvy0ZVp2HuYUOZmuiwUCaBBQNAAKCRB2HuYUOZmu i6oqEACNTdOu+wT9VWzDqaJxYPJzTDzhyaDgOrIaxGP72CExKq84a645B1Jl3TWZN1v4YEQN+Ex U4BBfSuuQ9Yh0TKak7F0oJPgeJp4PeTVBP15tbocmZJmYUHXdJX5kcB6+MgIe90/7/tlKRXQlN5 uY8GMIazOdRrWgafA6k6G+0lJvn3E3R5v7129rFXvHWCYC7Nvp2Vr8gyxE2IYJVHEfZx/+ua0oe z4a0WQgFS0t6W9PacgGnUTntuj/TGKVYb500Jwut0dBDJITdWXpackuvyCzviwumgxcGnbW66J/ sPOW9GIhrql6r3JIF1vU1iTJ1wxWyv8Al2Yy2Y7j9ypL0F07+xTB5euDs2A9h8HHd2x+0MwnqRD 4T62VOpuvuHAy1CMHBv75g1GHhwTGMN1KwfuI0Pf0TXrf9JM01deVHQ7vjI5kZhyeYMl537pJVJ 0itemi/gfnvcGViZ8usYXjp9yKtWO3JsSCn31sNT7BwsAtjyIUQl+DeQyQADc9wUchfIkTRw2AT nXmGd9l2kspY+Bd3KtnokiL1Gm1q49EmDFnwJw+FvsjxRdcZ56x9pI1MXcoOzCJNGSxYn35Witw vt49LNms8G/08qnrm3qBl6k+q0+gMBVS+JCmJst68knEU97MDg5chkLEEiEkEAzZLrlhGHN4eU8 gFY2uFKRqDDEdqA== X-Developer-Key: i=chenlinxuan@uniontech.com; a=openpgp; fpr=D818ACDD385CAE92D4BAC01A6269794D24791D21 X-Endpoint-Received: by B4 Relay for chenlinxuan@uniontech.com/default with auth_id=380 X-Original-From: Chen Linxuan Reply-To: chenlinxuan@uniontech.com From: Chen Linxuan Presume that kernel is compiled for x86_64 with gcc version 13.3.0: make allmodconfig make KCFLAGS=3D"-fno-inline-small-functions -fno-inline-functions-called-= once" This results a modpost warning: WARNING: modpost: vmlinux: section mismatch in reference: xen_pgd_walk+0x= 42 (section: .text) -> xen_mark_pinned (section: .init.text) As xen_pgd_walk is only referenced in xen_after_bootmem(void) which is also in .init.text, I add __init for xen_pgd_walk to fix this issue. Signed-off-by: Chen Linxuan --- arch/x86/xen/mmu_pv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index 38971c6dcd4b78b6b14f51bc69c4bf6b70ebd622..53650888be0a7b1dba170a5b7ba= 9c654244b5125 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -696,7 +696,7 @@ static void __xen_pgd_walk(struct mm_struct *mm, pgd_t = *pgd, (*func)(mm, virt_to_page(pgd), PT_PGD); } =20 -static void xen_pgd_walk(struct mm_struct *mm, +static void __init xen_pgd_walk(struct mm_struct *mm, void (*func)(struct mm_struct *mm, struct page *, enum pt_level), unsigned long limit) --=20 2.43.0