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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 59F9EEB7EAC for ; Wed, 4 Mar 2026 09:09:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 673696B0088; Wed, 4 Mar 2026 04:09:42 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 650DF6B0089; Wed, 4 Mar 2026 04:09:42 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 56FC36B008A; Wed, 4 Mar 2026 04:09:42 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 46A036B0088 for ; Wed, 4 Mar 2026 04:09:42 -0500 (EST) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id E13701604D9 for ; Wed, 4 Mar 2026 09:09:41 +0000 (UTC) X-FDA: 84507807762.16.AE24FBC Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf21.hostedemail.com (Postfix) with ESMTP id 4BD0F1C0002 for ; Wed, 4 Mar 2026 09:09:40 +0000 (UTC) Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=pMBbKSFW; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf21.hostedemail.com: domain of chleroy@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=chleroy@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1772615380; h=from:from:sender: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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=bf6Jrd2glLBARvo4qTlBn9dmpgmf3FbqfUEPkdBzr9o=; b=L3QERydO/Q/AjCTHroCyAi47VosLgGiJQiTH95N8LyhJ0teTzeoIO2rClHFNQE3cGxJ3py Gal1yrDGomwTpJPgvA4J9u/jtnFSH5ivpFev6+/LYMIDEk/iVU0dL5w+zsy/dK7gAJykhS KCNYiuXHjOq0pJF12J4zvdBrU2yE7us= ARC-Authentication-Results: i=1; imf21.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=pMBbKSFW; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf21.hostedemail.com: domain of chleroy@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=chleroy@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1772615380; a=rsa-sha256; cv=none; b=YEvajEmon1ON3dswvJxRUV3bYOKnjbv6iI9SD22oqVZcCTV+LJ8DOFJqZnAtpL8LpEN/Qh QODI24XGRvA+NEIvgCDmykfIIrKHBbTXNCshmNwgfXvnwi+96yBfjE3SRBo9HKcO++GUq5 H6zDhnRlblMoZExPfeq3bvGnB7M8JOE= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id B10396057A; Wed, 4 Mar 2026 09:09:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B05BBC19423; Wed, 4 Mar 2026 09:09:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772615379; bh=q+2F3WUwzo88U+l/P+mQvKhmPYhLgLIReOm9O+Rm82M=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pMBbKSFW05wRd/QFBHktyYjvbaZBPT+tThzOTDHri1FMprTjyuKoQ4jN6e65ntHiE dlQdKHsaXIjEjIPXReFptvmTVLkhmDNo5c0GRwZBERh348gGwuWJpOsIgkfVcL5jJ3 i/qmQrUuiKm5cpu+UffgiGFLD1MVFP9xlsHPb2+NquBL/LxqAyLSSBhG5f3xjkVtrG 1z5aDsEIoEaAGFpjx2DUMN/i1qOSXLAUcvoHO+XbMiWJbnVgoOrYFnR0y0YmxP1buZ /C1blNCzHuG4pe04XQ5lrZ/iEmNZ0DcHm8eCqlFw15eqv8UUZVc5j8105imFU9QcYg hkd43nIJzueyQ== Message-ID: <727cad61-9df9-473b-9a79-f70ad1cd4e3e@kernel.org> Date: Wed, 4 Mar 2026 10:09:36 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC v1 10/10] powerpc: Add MMU_FTRS_POSSIBLE & MMU_FTRS_ALWAYS To: "Ritesh Harjani (IBM)" , linuxppc-dev@lists.ozlabs.org Cc: linux-mm@kvack.org, Hugh Dickins , Andrew Morton , Madhavan Srinivasan , Nicholas Piggin , "Aneesh Kumar K . V" , Venkat Rao Bagalkote References: Content-Language: fr-FR From: "Christophe Leroy (CS GROUP)" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 4BD0F1C0002 X-Stat-Signature: ji5g6hen7wryonwxtt91z3k9itmxszie X-Rspam-User: X-HE-Tag: 1772615380-261837 X-HE-Meta: U2FsdGVkX1/9zr/ApMaLBYtrXbfl4OqX7C0nsAJa0eysLZqsN6MnnCktDjCNO1Jn3u48cZf08Cm28DnWnzmttaFGNWJT6NjVFA5SAj2DqV3SaOcrOOxjXFe/AEgDjQRFB1VaZTUJVGPAAsf82MMAu0mWUXBtoT7cGGIlfU598ghmjvYdUOdnDU4Y/lXwDgSTJ2RvDApDKhR/wkGkViqOcOuR52dKZ4TXsIydq+zXDWl1xN5+VZ/n0uCSj9WV/h2zXA1dhi2uuJ+XsNlTJJtldf2lfXYnF/NgZgFv1IH7OBIspCz/I4dPelhKhzd82eEarXKbiR2gAUWIUh60c9ODdpRnsM5WzWvfojBZn+sKe6FtQiWOhY7gbryOY6N1NPDIEIySK/Jnb0M+E+rAntzHnxc3xkabz4xLLjFBnWAs2+lZNCChLVQbYPmgHSaETmwFi2Yt24X/W6SRTzQ6+ytZU1aiLldtbCEtJwS4vWU6G9i8AODrshwFIWS/hiS69hl14/u87vTRrnWARX1jKkIprIwDV0TUOJSRvVtyWN6ZInXFROeC4PMCtE390pGBlZSi4s8PSsj5puya36+j9Ygp6bOKkUSIFC9i2rG3oVUs07ZfHO2Y/PQAIYnl899lihsEq3V/ogd9VLp+xjHk65h3wkTJzCwzZoVvivFjU84+BAcU96iA0xzylZ7i45/3SifzAyp7nCo6nAgwUNl47H+haZyS0nIKFP2V72luzzcw4cCFoc85iESoFpNHGnqUkgXcE7k42E9KoqstS88qV3fOfK/oH0UuhfKkMG/XfoSInTS/W+7V5U+nDssXc6BATUICAlf5lZdv2ZeUzC4i5I6gmH2xSi4ZzvzEPxdOAdQcVdZN9d/krRknu4Mlpf9M+XOWIhrf+6BBoEEuAfoHYWuhTIlPxB8+cQfaGYCo1aRciLYJFdVKZuIsINwdLhxk+usa25HqC4Hs3qdatNFbSZP j0Q79rce PCevkHW88VpT5DXvaNTb7nhHux4g87yqDaJDoaX0RRrvRS4z7QkmBHsLbCkHZS5OXk3J8GVBQtwVogZGZYk8RTP8kfz/Sb5MCmpsyJlFSaeRpStPbra/E1NPFvehAKlpKsAplktCWCPKW932zOeCjX28wb/a14j9je//lKBOk3BKMCoOpk+TJgDaBJRd6iaJV8GwTYNenzL8WJKQ/1zT6TL//31WnLMQ4uw7cByB0IhFZHlCIdwlcTQoNpGSFu6cYTr4eaKh1rGKObVkSLmLHikch1efzig6DSfZpa76kGev67QuUGvfGI8AO9keb4n+fl/npR1t0pR3RiYAv4S/uab//z9d1lX6ks1JuYffhKXY8Gvo4muzJDDamW3FCiZKJFCm7riyAqexnjcKeWH/OaqzDUhSPJ8Q4MKKxZHuyPDB4tkeml4hNnzlELrqzUysJIsJR Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Le 25/02/2026 à 12:04, Ritesh Harjani (IBM) a écrit : > Similar to CPU_FTRS_[POSSIBLE|ALWAYS], let's also print > MMU_FTRS_[ALWAYS|ALWAYS]. This has some useful data to capture during > bootup. The patch subject is misleading, should be something like: powerpc: Print MMU_FTRS_POSSIBLE & MMU_FTRS_ALWAYS at startup With that fixed, Reviewed-by: Christophe Leroy (CS GROUP) > > 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 >