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 AEB91371065 for ; Wed, 11 Mar 2026 23:14:49 +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=1773270889; cv=none; b=NkDy35KnzY8lHSJLnChMWAfzbnN/3u3OM2cNTiaCXbJ/miES5VlQ/gxv9QKWgXGy7yglCm1fPs5kRptPKX240VnRaZIFWVSGugx9LYw3rRNtMkI3HRzLrM2lARUlK7p7oOHc8xRBbE3jDDu3R0plrOV+WLs5fxCttDf0Bht9z0U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773270889; c=relaxed/simple; bh=L2Vb8WWsjbjLZLSdFcWe+vZrR4O/vGefxzNxxS6mHi4=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=Dt9WZQvDwrGZXcROATs/+D8GbqESBYksKl/EnZewr6xoY5fxxYMPu77THIVaiUzV5sIk8jzeCaH5nXaTB0c5SEKDO7T0dVgVeEUZQKDzx7UuOBJ1hOGNMN2DNZESNcnbnG8RAVYf8+WG+tAUyEjjOc75D5I06DogqWOaNyVlJfg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W8q0bowG; 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="W8q0bowG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 60A9DC116C6 for ; Wed, 11 Mar 2026 23:14:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773270889; bh=L2Vb8WWsjbjLZLSdFcWe+vZrR4O/vGefxzNxxS6mHi4=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=W8q0bowGnjemJX7uqLPgT1xLErcuBbqz/RuI4rneA5sbik4+m56tYlVnrlh/EFMOD llim9Pk9OTCW+WsrgGb66XhOtC8Cz95CJXZCVgITdPDJ4dOIJli7WumygN8zBx0DWg Q5Jf2L3fVMOhwDRGfwN9CKBlZ+Js0liycYogBE3TJ5NZxRy4K+zjvfk1yOea0uSNZ9 xfxCT+pPGKfN1v5P1txy0Sr+EAhaPChUOqq74lh9gGtRJM2Ca6QLMOifDq/aL6hZAc ypN5g+X6QB7yHhRHpiwHXK23e36i+RqLaWS4IKB0Mwnk8PvdMrWXAM0l3QpvVh1/di g/xEvy6xCG1sw== Received: by mail-qt1-f174.google.com with SMTP id d75a77b69052e-5062fc5d86aso3748351cf.1 for ; Wed, 11 Mar 2026 16:14:49 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCXyxTtf6fLEuJk2nzV0YqG738paiyXFlj7yV2IszqjiV9vjwywky59UuKCp0vjT0Bpo9mOLRFWXvvylqxk=@vger.kernel.org X-Gm-Message-State: AOJu0YyDez+gPOJPCry7aBKJ2YqFU7oFTmfxzlysEolOkt6hT1XWuXKG 9PvlwwVMReyr/lEnmEvAowaGdCvWn231EEFEuCSKXv6ui4PeZEXYffF24rL5q6ZlLhknbuTMMu+ ntH7bDygfnlOZjfEdJTZfFg6gE2czen8= X-Received: by 2002:a05:622a:9cd:10b0:509:3f5d:4fb3 with SMTP id d75a77b69052e-5093f5d6100mr34675641cf.13.1773270888609; Wed, 11 Mar 2026 16:14:48 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <4aaa59736860f593e18e5978ebd56e04e4deea9d.1772681234.git.jpoimboe@kernel.org> In-Reply-To: <4aaa59736860f593e18e5978ebd56e04e4deea9d.1772681234.git.jpoimboe@kernel.org> From: Song Liu Date: Wed, 11 Mar 2026 16:14:36 -0700 X-Gmail-Original-Message-ID: X-Gm-Features: AaiRm50QscE1g3DpmwkcVcm00gGImnuGoZRqYD-6Lqv8-ehUpmfzOfVXTOxYaiQ Message-ID: Subject: Re: [PATCH 10/14] objtool: Ignore jumps to the end of the function for non-CFG arches To: Josh Poimboeuf Cc: x86@kernel.org, linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Peter Zijlstra , Joe Lawrence , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Mark Rutland , Nathan Chancellor , Nicolas Schier , Herbert Xu Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, Mar 4, 2026 at 7:31=E2=80=AFPM Josh Poimboeuf = wrote: > > Sometimes Clang arm64 code jumps to the end of the function for UB. > No need to make that an error, arm64 doesn't reverse engineer the CFG > anyway. > > Signed-off-by: Josh Poimboeuf Acked-by: Song Liu