From patchwork Fri Nov 6 08:43:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhen Lei X-Patchwork-Id: 11886393 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7EA3D14B4 for ; Fri, 6 Nov 2020 08:44:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6558320A8B for ; Fri, 6 Nov 2020 08:44:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726507AbgKFIoG (ORCPT ); Fri, 6 Nov 2020 03:44:06 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:7061 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726338AbgKFIoF (ORCPT ); Fri, 6 Nov 2020 03:44:05 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4CSDSs325fzhhPm; Fri, 6 Nov 2020 16:43:57 +0800 (CST) Received: from thunder-town.china.huawei.com (10.174.178.230) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.487.0; Fri, 6 Nov 2020 16:43:51 +0800 From: Zhen Lei To: Tony Luck , Borislav Petkov , "Thomas Gleixner" , Ingo Molnar , x86 , "H . Peter Anvin" , linux-edac , linux-kernel CC: Zhen Lei Subject: [PATCH 1/1] x86/mce: remove unused WARN_ON() in mce_register_decode_chain() Date: Fri, 6 Nov 2020 16:43:40 +0800 Message-ID: <20201106084340.2009-1-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.178.230] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org enum mce_notifier_prios { MCE_PRIO_LOWEST, MCE_PRIO_MCELOG, MCE_PRIO_EDAC, After commit c9c6d216ed28 ("x86/mce: Rename "first" function as "early""), there is no other integer between MCE_PRIO_MCELOG and MCE_PRIO_EDAC. Therefore, the WARN_ON() will never be triggered, just delete it. Signed-off-by: Zhen Lei --- arch/x86/kernel/cpu/mce/core.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 4102b866e7c0..914f9f102995 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -162,9 +162,6 @@ EXPORT_SYMBOL_GPL(mce_log); void mce_register_decode_chain(struct notifier_block *nb) { - if (WARN_ON(nb->priority > MCE_PRIO_MCELOG && nb->priority < MCE_PRIO_EDAC)) - return; - blocking_notifier_chain_register(&x86_mce_decoder_chain, nb); } EXPORT_SYMBOL_GPL(mce_register_decode_chain);