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 AD7E3C4321E for ; Mon, 5 Dec 2022 08:05:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231691AbiLEIFh (ORCPT ); Mon, 5 Dec 2022 03:05:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231969AbiLEIE6 (ORCPT ); Mon, 5 Dec 2022 03:04:58 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05FE115FD1 for ; Mon, 5 Dec 2022 00:04:49 -0800 (PST) Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id B8E091FE3B; Mon, 5 Dec 2022 08:04:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1670227487; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yMianIWALJeEq31IWXfqs8+ymd+X0ZqlQ5HivhuglU8=; b=O0TiN9vK31fNPKt8r4pZQ5mbZFzXECyGM25P8HGOrmC1GzxFUTz26b283hzdUJXe6TMtL1 p9MEznH483Zd26pK9SovhTX/vXVV4jZsh/PYocav+3+FiW/5NUrsXvqO6vxXK0JE2UszWN BZMPgguXzGB16djGyLpqfVMSt1Qer5U= Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap1.suse-dmz.suse.de (Postfix) with ESMTPS id 7A6751348F; Mon, 5 Dec 2022 08:04:47 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id px+rHB+mjWNTNAAAGKfGzw (envelope-from ); Mon, 05 Dec 2022 08:04:47 +0000 From: Juergen Gross To: linux-kernel@vger.kernel.org, x86@kernel.org Cc: kirill@shutemov.name, Juergen Gross , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" Subject: [PATCH 2/2] x86/mtrr: make message for disabled MTRRs more descriptive Date: Mon, 5 Dec 2022 09:04:33 +0100 Message-Id: <20221205080433.16643-3-jgross@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221205080433.16643-1-jgross@suse.com> References: <20221205080433.16643-1-jgross@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instead of just saying "Disabled" when MTRRs are disabled for any reason, tell what is disabled and why. Signed-off-by: Juergen Gross --- arch/x86/kernel/cpu/mtrr/mtrr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c index 6432abccbf56..94d5739758ba 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.c +++ b/arch/x86/kernel/cpu/mtrr/mtrr.c @@ -630,6 +630,7 @@ int __initdata changed_by_mtrr_cleanup; void __init mtrr_bp_init(void) { u32 phys_addr; + const char *why = "(not available)"; phys_addr = 32; @@ -705,12 +706,13 @@ void __init mtrr_bp_init(void) changed_by_mtrr_cleanup = mtrr_cleanup(phys_addr); } else { mtrr_if = NULL; + why = "by BIOS"; } } } if (!mtrr_enabled()) - pr_info("Disabled\n"); + pr_info("MTRRs disabled %s\n", why); } /** -- 2.35.3