From nobody Fri Dec 19 18:00:01 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3BF06C433FE for ; Mon, 14 Nov 2022 11:45:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236170AbiKNLpA (ORCPT ); Mon, 14 Nov 2022 06:45:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236634AbiKNLo3 (ORCPT ); Mon, 14 Nov 2022 06:44:29 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DB09F59C for ; Mon, 14 Nov 2022 03:44:17 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 5E980B80E6C for ; Mon, 14 Nov 2022 11:44:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A04BC433C1; Mon, 14 Nov 2022 11:44:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668426255; bh=b5Apr9ljbPWXptKX2Y7oDbgatIEtz07LMj4Vds3jeiU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pQCj9Bl/KCEzOwGmBs7/yB++JsW34aqew8j6gYUQ5Kt736lR1XZqCE8OHv/HBtIqm +Hylb+ZnLUG8vo+93hauKmemG/BIuRN9R8oG15YbQ6Y0tW7gQbwKVr4ch0Ps6rC+WS 6N6tqZBRzgDyQEZ+DQMlBam1XDYzFf0h2RrfputJVlpXjFsVsPau0r7kJL158UCmeE 2OJ0Iz0OWPYpfKqqnErjLr1tOfG5a9hlIcDGpwUpmN7YLxuwVYH1/X+oYuXda40NWF DK50WjQLbBBP3Wl9U5Sn1fNthDyc1ptIdhp79x2liWt9Tr5DCqZ501qDHuPRPDSi2G uNg9OxmKfTRtQ== From: "Jiri Slaby (SUSE)" To: linux-kernel@vger.kernel.org Cc: Andi Kleen , Peter Zijlstra , Josh Poimboeuf , Jason Baron , Steven Rostedt , Ard Biesheuvel , Martin Liska , Jiri Slaby Subject: [PATCH 09/46] static_call, lto: Mark static_call_return0() as __visible Date: Mon, 14 Nov 2022 12:43:07 +0100 Message-Id: <20221114114344.18650-10-jirislaby@kernel.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221114114344.18650-1-jirislaby@kernel.org> References: <20221114114344.18650-1-jirislaby@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Andi Kleen Symbols referenced from assembler (either directly or e.f. from DEFINE_STATIC_KEY()) need to be global and visible in gcc LTO because they could end up in a different object file than the assembler. This can lead to linker errors without this patch. So mark static_call_return0() as __visible. Cc: Peter Zijlstra Cc: Josh Poimboeuf Cc: Jason Baron Cc: Steven Rostedt Cc: Ard Biesheuvel Signed-off-by: Andi Kleen Signed-off-by: Martin Liska Signed-off-by: Jiri Slaby --- kernel/static_call.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/static_call.c b/kernel/static_call.c index e9c3e69f3837..9197fe86d8bd 100644 --- a/kernel/static_call.c +++ b/kernel/static_call.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include =20 -long __static_call_return0(void) +__visible long __static_call_return0(void) { return 0; } --=20 2.38.1