From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86FB8C17449 for ; Wed, 13 Nov 2019 02:00:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 55270222CF for ; Wed, 13 Nov 2019 02:00:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573610440; bh=Odq0AFSMrFz8mb2BtUQkzhgEYqONjnc9v8r91dR/gXE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XzKBBg62Da+HXda91osObQdCQ2/PlbaBzHCQJcMaqN3semS+2HrkKHtre7uOgSbBG yn8UKTZqllpHOkeQDFx+GOvft1NvSIZZdorNW57sDIncS9Xkx1QfSmR/E/57jgDvbG j6CsBQCK+4JkXzPofruR556RtCQZ9m6Hgvu78O+w= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730540AbfKMCAj (ORCPT ); Tue, 12 Nov 2019 21:00:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:55634 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730482AbfKMCAZ (ORCPT ); Tue, 12 Nov 2019 21:00:25 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 46789222CF; Wed, 13 Nov 2019 02:00:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573610425; bh=Odq0AFSMrFz8mb2BtUQkzhgEYqONjnc9v8r91dR/gXE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zwQWS83bXOmBSN6VF4XlvG3A1OtxZlYuQE7s+yaWNfPOPE3PML/FveBoUzAKE7ygb Q1zlX7qER24V8zop8JO7pVdLkYz8D4LN+xs8+c7uZlLkm0f4/eoWEKzwfPdhXNpSXu 5wsjXpCX2m/bANAplwKSTh5f0OAgRdd7T/bEVZJs= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Borislav Petkov , Linus Torvalds , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Sasha Levin Subject: [PATCH AUTOSEL 4.9 32/68] cpu/SMT: State SMT is disabled even with nosmt and without "=force" Date: Tue, 12 Nov 2019 20:58:56 -0500 Message-Id: <20191113015932.12655-32-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191113015932.12655-1-sashal@kernel.org> References: <20191113015932.12655-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov [ Upstream commit d0e7d14455d41163126afecd0fcce935463cc512 ] When booting with "nosmt=force" a message is issued into dmesg to confirm that SMT has been force-disabled but such a message is not issued when only "nosmt" is on the kernel command line. Fix that. Signed-off-by: Borislav Petkov Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/20181004172227.10094-1-bp@alien8.de Signed-off-by: Ingo Molnar Signed-off-by: Sasha Levin --- kernel/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/cpu.c b/kernel/cpu.c index c947bb35b89ff..a24566eb1c1c1 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -379,6 +379,7 @@ void __init cpu_smt_disable(bool force) pr_info("SMT: Force disabled\n"); cpu_smt_control = CPU_SMT_FORCE_DISABLED; } else { + pr_info("SMT: disabled\n"); cpu_smt_control = CPU_SMT_DISABLED; } } -- 2.20.1