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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B40DEC432C3 for ; Thu, 14 Nov 2019 07:40:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 936CC206DB for ; Thu, 14 Nov 2019 07:40:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="V5dSsQTs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726549AbfKNHkF (ORCPT ); Thu, 14 Nov 2019 02:40:05 -0500 Received: from mail-oi1-f175.google.com ([209.85.167.175]:41967 "EHLO mail-oi1-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725852AbfKNHkF (ORCPT ); Thu, 14 Nov 2019 02:40:05 -0500 Received: by mail-oi1-f175.google.com with SMTP id e9so4404646oif.8 for ; Wed, 13 Nov 2019 23:40:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=date:from:to:cc:subject:in-reply-to:message-id:references :user-agent:mime-version; bh=YMn33D1fvbsOQjVLRYkAXXQ5Mr3LhRnG3fNN+0bZFqc=; b=V5dSsQTsDt8RrkZGi2u+8jj4+O7/AdchvYLEDWZDIOo1jiwBEUk2EHUk6GJPamFBX/ tWExz2iSLQmnLRTubNgcib2g+uFBMXKV1hEHa6B1IfSZOLE/78A6OqjnSQ29HNCCnZe2 tW8TTwxPNcHaAT88BCFrfQjGvlaTOlX8aOdtnIgUssLBZGT8jNu5wFyDkEILEjpHaFXz 3pnf0wpm0xbiKozJpO3b0XhQQi/CdRLoWJXu4EZ7RkpFejjgDD6Hm1Yru2qwY7RsBOfd fPzpuVIEuehujelxjW6Cg7zZ+Y3uhKVikM6ijBx0d0hyWqRQam1VgA8FnsyR9FwvIBr5 22WA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:in-reply-to:message-id :references:user-agent:mime-version; bh=YMn33D1fvbsOQjVLRYkAXXQ5Mr3LhRnG3fNN+0bZFqc=; b=jFikoyKXW9wu+z2u1GdhCs3AosLpVBRtxCkct+bur5ApxOiNqxuLVphsbC2aEi2/Pm eKbPSFmZwWvxYf4PnyKkCDcVRbRmtaDGws1+HDcckG39KufwIufXUgl84bFLYNLXxDXX lw5D7iqOTcyty+wjzw/+xJkxRIeiPUjMqtG3k5uDGXIYiax5Vm2jJmy4Wg/Euz+ttfk9 qquxypgCxbOmTK8RYxiYSk/N0eMbyMiY4tdZFVPRjhfBjDEZ21BnenGruGc7NqjOjqI0 8yCLumVUvjofXr/xhyG9EsH0PU280S7utBT4iwOO+0558QS8l1rMU2UluRXgMAzkjAlI aFGQ== X-Gm-Message-State: APjAAAVQIri/D+bgrrwl5VqY4wnjUVlsHru+wD56cQy9qrwDzRA6Ykre EeSSzmiN7BdGvvOIZzHUwrsIWKT2Dpk= X-Google-Smtp-Source: APXvYqwXkyMYI6Uj032rQa/wu9B9wzzpL5hREfSXGRjGQISEHzEQE1lpJRaydPGwDIIazZjbtphGmA== X-Received: by 2002:aca:6c1:: with SMTP id 184mr2296358oig.84.1573717202583; Wed, 13 Nov 2019 23:40:02 -0800 (PST) Received: from localhost (wsip-98-172-187-222.no.no.cox.net. [98.172.187.222]) by smtp.gmail.com with ESMTPSA id e19sm1564350otj.51.2019.11.13.23.40.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Nov 2019 23:40:02 -0800 (PST) Date: Wed, 13 Nov 2019 23:40:01 -0800 (PST) From: Paul Walmsley X-X-Sender: paulw@viisi.sifive.com To: Christoph Hellwig cc: Palmer Dabbelt , Damien Le Moal , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Damien Le Moal , Atish Patra Subject: Re: [PATCH 10/15] riscv: read the hart ID from mhartid on boot In-Reply-To: <20191017173743.5430-11-hch@lst.de> Message-ID: References: <20191017173743.5430-1-hch@lst.de> <20191017173743.5430-11-hch@lst.de> User-Agent: Alpine 2.21.9999 (DEB 301 2018-08-15) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 17 Oct 2019, Christoph Hellwig wrote: > From: Damien Le Moal > > When in M-Mode, we can use the mhartid CSR to get the ID of the running > HART. Doing so, direct M-Mode boot without firmware is possible. > > Signed-off-by: Damien Le Moal > Signed-off-by: Christoph Hellwig > Reviewed-by: Atish Patra Thanks, queued for v5.5-rc1. - Paul