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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A0BDC71145 for ; Thu, 24 Aug 2023 04:43:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239012AbjHXEnT (ORCPT ); Thu, 24 Aug 2023 00:43:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239003AbjHXEnR (ORCPT ); Thu, 24 Aug 2023 00:43:17 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D47FB10E4 for ; Wed, 23 Aug 2023 21:43:15 -0700 (PDT) Received: from nazgul.tnic (unknown [78.130.214.203]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 7E7801EC04CD; Thu, 24 Aug 2023 06:43:13 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1692852193; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=B8NpXQxKGZgz1rZwZxC5RTfWq223qMj1uQPFU9SUTck=; b=Is1BNA0Eb7VfZzW9ERg+X/Ze0BxHgIF8z4/o7djBjT/dVIhYKEipttmp9kBVmApcc5DsuZ w6wltdafRLY2VovTRVJ0qEPlrjXiQsEAuEzyPYyEqQdBennSIFJRhyiAE3I/eKubzihxz9 2PSnfUKmxLs1mSK1kc987cD6SpKGe4E= Date: Thu, 24 Aug 2023 06:43:26 +0200 From: Borislav Petkov To: Josh Poimboeuf Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Babu Moger , Paolo Bonzini , Sean Christopherson , David.Kaplan@amd.com, Andrew Cooper , Nikolay Borisov , gregkh@linuxfoundation.org, Thomas Gleixner Subject: Re: [PATCH 08/22] x86/srso: Downgrade retbleed IBPB warning to informational message Message-ID: <20230824044326.GCZObf7lYYkx0XvICT@fat_crate.local> References: <49b321ad997bce6068c694a6cd0ecdcd5cd2a1e4.1692580085.git.jpoimboe@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <49b321ad997bce6068c694a6cd0ecdcd5cd2a1e4.1692580085.git.jpoimboe@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Aug 20, 2023 at 06:19:05PM -0700, Josh Poimboeuf wrote: > This warning is nothing to get excited over. Downgrade to pr_info(). > > Signed-off-by: Josh Poimboeuf > --- > arch/x86/kernel/cpu/bugs.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c > index cda4b5e6a362..e59e09babf8f 100644 > --- a/arch/x86/kernel/cpu/bugs.c > +++ b/arch/x86/kernel/cpu/bugs.c > @@ -2425,7 +2425,7 @@ static void __init srso_select_mitigation(void) > > if (retbleed_mitigation == RETBLEED_MITIGATION_IBPB) { > if (has_microcode) { > - pr_err("Retbleed IBPB mitigation enabled, using same for SRSO\n"); > + pr_info("Retbleed IBPB mitigation enabled, using same for SRSO\n"); > srso_mitigation = SRSO_MITIGATION_IBPB; > goto pred_cmd; > } > -- Reviewed-by: Borislav Petkov (AMD) -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette