From nobody Fri Dec 19 17:50:26 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 3E94CC433FE for ; Mon, 14 Nov 2022 11:45:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236711AbiKNLpK (ORCPT ); Mon, 14 Nov 2022 06:45:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41540 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236660AbiKNLoe (ORCPT ); Mon, 14 Nov 2022 06:44:34 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDDBA20BC5 for ; Mon, 14 Nov 2022 03:44:25 -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 905B0B80E6C for ; Mon, 14 Nov 2022 11:44:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 988CDC433C1; Mon, 14 Nov 2022 11:44:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668426263; bh=owzR+yZF1fBmG413bQU+FKodqiSnrZRm615nsyA2Qd8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iMdFCUcwcAU0BxJEunp20sguBCmcihaBHzTN2R0laCZjfHpV3wYTLqN8Vo2RZE7iE haT1PNIPMmf++W29BCMx6YNaaDQS8iK2T4P5eJJzru7mrUTlNkwpLyOvP/sVh3ZW7g jVUQmQuZqHtZAIEj4JTTWT7Fml+LW8NRfvsbzTjt4+Ejv/GYDgIi4+nyNlni1tgPdH qhdKHJQ1coiRZPhNytWT8z/3lra+iaMThcXGG5fwaGe7WwfIYSj0GxQSZungNuRLsC 8kdFYo1ocB+NsfrwYgJw3vwGvgr9pTj/vGO7sjkMOOniPt6Bd8ZEa++WhKOr3ySQUf Q0rqE88PdqL1w== From: "Jiri Slaby (SUSE)" To: linux-kernel@vger.kernel.org Cc: Andi Kleen , Juergen Gross , Alexey Makhalov , VMware PV-Drivers Reviewers , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , x86@kernel.org, Martin Liska , Jiri Slaby Subject: [PATCH 12/46] x86/paravirt, lto: Mark native_steal_clock() as __visible_on_lto Date: Mon, 14 Nov 2022 12:43:10 +0100 Message-Id: <20221114114344.18650-13-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 native_steal_clock() as __visible_on_lto. [js] use __visible_on_lto Cc: Juergen Gross Cc: "Srivatsa S. Bhat Cc: Alexey Makhalov Cc: VMware PV-Drivers Reviewers Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: "H. Peter Anvin" Cc: x86@kernel.org Signed-off-by: Andi Kleen Signed-off-by: Martin Liska Signed-off-by: Jiri Slaby --- arch/x86/kernel/paravirt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 7ca2d46c08cc..27a537cd4b0e 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -120,7 +120,7 @@ unsigned int paravirt_patch(u8 type, void *insn_buff, u= nsigned long addr, struct static_key paravirt_steal_enabled; struct static_key paravirt_steal_rq_enabled; =20 -static u64 native_steal_clock(int cpu) +__visible_on_lto u64 native_steal_clock(int cpu) { return 0; } --=20 2.38.1