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 0DB83EB7EB6 for ; Wed, 4 Mar 2026 09:09:44 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fQn1L475dz3c5c; Wed, 04 Mar 2026 20:09:42 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c04:e001:324:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772615382; cv=none; b=mK6/CsoWPJnFF75dDfMRBwX596Tr5hwBolR+6a3YId/Amc3W/xEP8/ASeb6RIw2hqUP264HiaiBCmrBCQUkGV15kV1gATGIeaeNaUsB62zTuLbVsj74JSpzxquDpyENcOMkZ9qxtoSwPD/lsCSC36b8PRvZMw6rSI+E8AMeGq3LZE85KHluvv0QO4p+8svITpJWDRTSNM87fz65p8XGoobjPFzq8/CvE7kjoxjAf+aAgZYN9ceyrUGb5GKNBACi6r1o10Z3RvdoldyIsnUsto3dXKsxziWwgnPjgWSGHlsn71KfbzJfUj8HuhEKnTPUlACZFo4aErfQhSoZ5YDRuaQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772615382; c=relaxed/relaxed; bh=bf6Jrd2glLBARvo4qTlBn9dmpgmf3FbqfUEPkdBzr9o=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cA7pX9bk5XcDITAXvtfUuC03ujrFDlmGBRXGWquwfXBUV03P55Caey0Bz019cfwJnYcwTT5j6eARjtO9vv+hX1GyJFsTglQKqkS5IrE7m2evmJGNw0ueNJChmXHIQom19j8EyXNcPRlg3osCToL+TaJD6De9rcQ5O4Jibwq3CWnG1mkGSwvBpas6Ygy4tAVOhX+VDextyhUVXTSHgkQ54PSauuhfbSz0PpDp511rPzcQRhbjgt/Xff8zeMyx5BL9Mx8P+gB/IZlJV5qqjfrdYwvzWh+AJgu6wF9xLJgoNsyFtpBlAkxV08HZFmj4vMrS3onKGAHYf8wolsTgRcHpdA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=pMBbKSFW; dkim-atps=neutral; spf=pass (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=chleroy@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=pMBbKSFW; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=chleroy@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [IPv6:2600:3c04:e001:324:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fQn1K6GnDz3c2k for ; Wed, 04 Mar 2026 20:09:41 +1100 (AEDT) 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 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 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 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 >