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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 833B7F4BB9E for ; Wed, 25 Feb 2026 11:05:55 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fLWwF0gDkz3fFm; Wed, 25 Feb 2026 22:05:33 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2607:f8b0:4864:20::533" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772017533; cv=none; b=RgNFBVdxsDDaQxlIbIAfEkINcIBDm4s1Cy18SCbqTQXApZIObUPrcWvc3GqqQ7rgqrH+acMoPJEWtm0yoOeGAmbmW2G5ftoiB/ta1tpeGNNwJD6xGEqus21EWZIHCfX469MdDIuuY2R4rNBmndTh+ZS45qh7WnMiO+ZB8pDhLE1Hl0ALD/sGvyI4WmNvAzXNEdS/dJDj6EVEasUvz/j5qWPkdCIe0COBpaHKzHIhsPzWvYBcRQusSnTSg/YHjaBgd/7AmrZDTEaMnx0nqHjKffkmGPVeKFVsIsqF8u6rGQJUCJPPy8UhPO1W7F5q1JrNn0bYzrN9XrVDbQzVlXQI8A== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772017533; c=relaxed/relaxed; bh=MmnNCbfSwbXJVlcc7ToRrddmEn5JYiYLNZaSrZR850Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Yj9LPCizD11M+GeZQH8Kn78+ejB/7VZ53Eh7vvt/kyER5nMrAQtg6pqJgZEZXkXKZmYl0nlxSchrbxJPjJYcE/uGZnoZASZytQlohulV3syVxuEo3gcQjJ2aiciKFG0tLDX+u/59kqsDcHLYSLTUgqtymuRxhPYJLAdq1fE4HCV1aG9poKzr/Yzs1rMx1dfmaXVqUCR9yoU6XDRFesY0Dombfzbv+HOJA0fBEwlYyZUgs475nglPnk29Vb4qT3+pq4sdcJ+VqjKXsI3DL5aUUJLVYpmL3uHbDlZFkextBszu7feQJyoXGj1h5Fg5gdvlm8t53Lltzrk45on+Lw+fLA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=OQAAKGXY; dkim-atps=neutral; spf=pass (client-ip=2607:f8b0:4864:20::533; helo=mail-pg1-x533.google.com; envelope-from=ritesh.list@gmail.com; receiver=lists.ozlabs.org) smtp.mailfrom=gmail.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=OQAAKGXY; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::533; helo=mail-pg1-x533.google.com; envelope-from=ritesh.list@gmail.com; receiver=lists.ozlabs.org) Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fLWwD30CJz3f1Z for ; Wed, 25 Feb 2026 22:05:32 +1100 (AEDT) Received: by mail-pg1-x533.google.com with SMTP id 41be03b00d2f7-c70bb8ffb24so1430003a12.1 for ; Wed, 25 Feb 2026 03:05:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772017530; x=1772622330; darn=lists.ozlabs.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=MmnNCbfSwbXJVlcc7ToRrddmEn5JYiYLNZaSrZR850Y=; b=OQAAKGXYtQtDF/U42DxhLBWNilU2ucqBTF29DorDBcqXcnPaj73lzmM6zOz4jlsd5e w+JAgMoURI1VXOZ0eOVkt1littPgLK29F07QP+1QJMLTFEccVhWcOehO2BJ19JUtDyXD qErjthmpYdF3YT4bE2nMD4eCIB6Q1+/JEHvcjFa0liL44skKHeesdc/SKPQdl9fLXrkN tAwGszdkbQmeuWhTrYSIKa9pO8sMXkI0JnkTHSNX3zrzE3v5iN1B+Z+jrdS3EdICGR5E /QFPwQVze+xYNa4L1eNw9I7Wm0cNfsVkdF4JP4Z61QEMLNAYQIj6XfZE+5TaSQH1BJ4w M4JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772017530; x=1772622330; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=MmnNCbfSwbXJVlcc7ToRrddmEn5JYiYLNZaSrZR850Y=; b=DAflb34KGUyrUpt3/Max+m5aa77sM53+Nx8OtnVOCliAgE6vAR0ZgJFqXB3VnOtMNR c8qhcJoORoncQOcwb7VeMxnbrooENhKcnc4hhl8WtZdnBrrRT3Zt8+3fsILHXBf8Mxl6 A2TMrwOiGo0x5G9xTPXczRWrKmevnIkLbOS0UR34JJsdxvLmnIrrABi56Z5ZdfKdCKd6 X5UENIfH3YgwEFPzCu1Pavu00QTHlhRU/GJQ9eUs5EiK7SGwci2845noyDivN/+ECfg/ KgxSNK6Um0ucqR0deHucsT1mHNg7Q8E7BtwSalpW8nvj8Cfa1r9Kcgj4oKfCj43hk3B2 Cr6w== X-Gm-Message-State: AOJu0Yyz1xbHgw2elfkm3W+IxtyyZ0ACMcTq+MfxHJbt3ZczEFYakSUW FnIxF1nLlgd2TQpjqhsBVFpBoFn9flW5uMBUrVzJwlXZgyl+KRmZmMD3fsHq/A== X-Gm-Gg: ATEYQzwe0YeyHaIYevZk2oMm7T53IXZHN9ihC67H+praW/a910IlgGaZ8ooxXNTpiR9 W8yHoSjjEjYuvdAS3ZTRVP3Gzcb0OrH4rjs/Lp800IQIGz1DOvn9fCQnciDs85LF4/IxV9owYaL Umf5J+tSWKjhwVWLAllC7EtJy/f02Igq+LV7827JaJRT4Gd7OphDWhrOxGetXI5EctEq+ZOK7an 9gUDG42wg+SUcSq2DZKmwZyZjMKjpyokWSB8sz5MCRLsiUVGMN+ChGzjft4CxcgTZt234SWX9eE WdGakJ+pGdI+IoH0/P/54WhuGD335XUo/Z7CM/Tw9oa2fqXYWM+Xwl2SxbeI0vqXXH1iK6UpD8q DfmKwWQirGlGJP3coM7sbuO1buKpr0/gZxAfH4FF3k7v1Mg/38fsB2VIOCCTBUtNwL5sHc2XEoU IQ6ZSgDjgP/vZik12b/+qFRaoqSg601Lg= X-Received: by 2002:a17:903:3c0c:b0:2a0:8e35:969d with SMTP id d9443c01a7336-2add13bda24mr20779715ad.39.1772017530108; Wed, 25 Feb 2026 03:05:30 -0800 (PST) Received: from dw-tp.ibmuc.com ([203.81.242.210]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad7503f9f5sm138365975ad.77.2026.02.25.03.05.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Feb 2026 03:05:29 -0800 (PST) From: "Ritesh Harjani (IBM)" To: linuxppc-dev@lists.ozlabs.org Cc: linux-mm@kvack.org, Hugh Dickins , Andrew Morton , Madhavan Srinivasan , Nicholas Piggin , "Aneesh Kumar K . V" , Christophe Leroy , Venkat Rao Bagalkote , "Ritesh Harjani (IBM)" Subject: [RFC v1 10/10] powerpc: Add MMU_FTRS_POSSIBLE & MMU_FTRS_ALWAYS Date: Wed, 25 Feb 2026 16:34:31 +0530 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: References: X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Similar to CPU_FTRS_[POSSIBLE|ALWAYS], let's also print MMU_FTRS_[ALWAYS|ALWAYS]. This has some useful data to capture during bootup. Signed-off-by: Ritesh Harjani (IBM) --- arch/powerpc/kernel/setup-common.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index cb5b73adc250..002b312eb7e9 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -866,6 +866,10 @@ static __init void print_system_info(void) cur_cpu_spec->cpu_user_features, cur_cpu_spec->cpu_user_features2); pr_info("mmu_features = 0x%08x\n", cur_cpu_spec->mmu_features); + pr_info(" possible = 0x%016lx\n", + (unsigned long)MMU_FTRS_POSSIBLE); + pr_info(" always = 0x%016lx\n", + (unsigned long)MMU_FTRS_ALWAYS); #ifdef CONFIG_PPC64 pr_info("firmware_features = 0x%016lx\n", powerpc_firmware_features); #ifdef CONFIG_PPC_BOOK3S -- 2.53.0