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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 CC4C5C43382 for ; Fri, 28 Sep 2018 17:51:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7D4EC20685 for ; Fri, 28 Sep 2018 17:51:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OEl5BOVL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7D4EC20685 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727284AbeI2AQQ (ORCPT ); Fri, 28 Sep 2018 20:16:16 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:51600 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726130AbeI2AQP (ORCPT ); Fri, 28 Sep 2018 20:16:15 -0400 Received: by mail-wm1-f68.google.com with SMTP id y25-v6so3048127wmi.1 for ; Fri, 28 Sep 2018 10:51:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=42KdwwpMqYNTGm9woRS/rwgRdRRM69f8qZaQDJg0IhU=; b=OEl5BOVLqftw7k0Vz2OR9jFMCPKeatcmvhnXNuUdoKnYs8EwZ5aOaxx83R7l8Qk6hM SY3HvUf5BqjEMrs4pDkeW5ZdL0lEBou37NSLWIG7wOT1kloclyWtUojw9rO806UEMIsT U+8M+2fManJMyclKT+HMWPaxKytkcUNqEb4xqsNasaHBLBvtcqqLzY+BA5IuzkTS21jF yMTTBnFP7y91SxB64p3ME5uhdx0nZ00ijNdAIq2wo1Hh0i9NUt6FG6EwnDdGyWmsiAtX x4YvqnRNk5a5IQwaDAAsCsKMEO4Lu4arSFPCDEvl8e7n2Q43cIg4cWyM/JI+PJoweXn5 giqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=42KdwwpMqYNTGm9woRS/rwgRdRRM69f8qZaQDJg0IhU=; b=N/P7nHJAN+0sWsAS/nisfRdFKK0h85tyW2bzw8NXsKuq46Az/Zf40oo0jM6sZ0cyL5 RLTpZ3PYZrFE3uxXXgjvS5uSIpMYhwClcFgYmneaDP/685+ImGZUhXtpAFcSssvyWvjO m7zuksLaMtvf1s9WmJljbxXGrOaYFwbpGHVNZPzr1LPyid1aOu6RLhLOWVCfxUQ7dL/8 h5iJXilHR63aNN6zeOsL6fVKSYQ6M1SVwbH672rlY4Hze1TJNCNBUit97GHzUOYz/G+h VC5yGS7DAj8M0v9DZKU4Ix2o9fks0SLNkb3FA7ctbB4OC4JynSQ+Pq0bTN0S+7dYgMMF C0uA== X-Gm-Message-State: ABuFfogxOvod6eBCZ79LYfHrWKmjbSENUIqfoM/6jNfMAC0R+fJsCVk7 vKmiReblu192Qz2V3nMTlO72mMbd X-Google-Smtp-Source: ACcGV63mvz4eO8WJB5hXHj0DsqpBhqyBGLTZf82nrmZwid+7LZtneQPNoHJN2awgSUw02ebRRijg0A== X-Received: by 2002:a1c:cc0e:: with SMTP id h14-v6mr2318170wmb.2.1538157081462; Fri, 28 Sep 2018 10:51:21 -0700 (PDT) Received: from [10.67.50.87] ([192.19.223.250]) by smtp.googlemail.com with ESMTPSA id c8sm3611777wrx.92.2018.09.28.10.51.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 28 Sep 2018 10:51:20 -0700 (PDT) Subject: Re: [PATCH 0/3] ARM/PSCI: Fix THUMB2_KERNEL entry points To: Robin Murphy , linux-arm-kernel@lists.infradead.org Cc: Mark Rutland , Rob Herring , Lorenzo Pieralisi , Russell King , open list , "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" , Gregory Fong , Doug Berger , Brian Norris References: <20180927192711.26455-1-f.fainelli@gmail.com> From: Florian Fainelli Openpgp: preference=signencrypt Autocrypt: addr=f.fainelli@gmail.com; prefer-encrypt=mutual; keydata= xsDiBEjPuBIRBACW9MxSJU9fvEOCTnRNqG/13rAGsj+vJqontvoDSNxRgmafP8d3nesnqPyR xGlkaOSDuu09rxuW+69Y2f1TzjFuGpBk4ysWOR85O2Nx8AJ6fYGCoeTbovrNlGT1M9obSFGQ X3IzRnWoqlfudjTO5TKoqkbOgpYqIo5n1QbEjCCwCwCg3DOH/4ug2AUUlcIT9/l3pGvoRJ0E AICDzi3l7pmC5IWn2n1mvP5247urtHFs/uusE827DDj3K8Upn2vYiOFMBhGsxAk6YKV6IP0d ZdWX6fqkJJlu9cSDvWtO1hXeHIfQIE/xcqvlRH783KrihLcsmnBqOiS6rJDO2x1eAgC8meAX SAgsrBhcgGl2Rl5gh/jkeA5ykwbxA/9u1eEuL70Qzt5APJmqVXR+kWvrqdBVPoUNy/tQ8mYc nzJJ63ng3tHhnwHXZOu8hL4nqwlYHRa9eeglXYhBqja4ZvIvCEqSmEukfivk+DlIgVoOAJbh qIWgvr3SIEuR6ayY3f5j0f2ejUMYlYYnKdiHXFlF9uXm1ELrb0YX4GMHz80nRmxvcmlhbiBG YWluZWxsaSA8Zi5mYWluZWxsaUBnbWFpbC5jb20+wmYEExECACYCGyMGCwkIBwMCBBUCCAME FgIDAQIeAQIXgAUCVF/S8QUJHlwd3wAKCRBhV5kVtWN2DvCVAJ4u4/bPF4P3jxb4qEY8I2gS 6hG0gACffNWlqJ2T4wSSn+3o7CCZNd7SLSDOw00ESM+4EhAQAL/o09boR9D3Vk1Tt7+gpYr3 WQ6hgYVON905q2ndEoA2J0dQxJNRw3snabHDDzQBAcqOvdi7YidfBVdKi0wxHhSuRBfuOppu pdXkb7zxuPQuSveCLqqZWRQ+Cc2QgF7SBqgznbe6Ngout5qXY5Dcagk9LqFNGhJQzUGHAsIs hap1f0B1PoUyUNeEInV98D8Xd/edM3mhO9nRpUXRK9Bvt4iEZUXGuVtZLT52nK6Wv2EZ1TiT OiqZlf1P+vxYLBx9eKmabPdm3yjalhY8yr1S1vL0gSA/C6W1o/TowdieF1rWN/MYHlkpyj9c Rpc281gAO0AP3V1G00YzBEdYyi0gaJbCEQnq8Vz1vDXFxHzyhgGz7umBsVKmYwZgA8DrrB0M oaP35wuGR3RJcaG30AnJpEDkBYHznI2apxdcuTPOHZyEilIRrBGzDwGtAhldzlBoBwE3Z3MY 31TOpACu1ZpNOMysZ6xiE35pWkwc0KYm4hJA5GFfmWSN6DniimW3pmdDIiw4Ifcx8b3mFrRO BbDIW13E51j9RjbO/nAaK9ndZ5LRO1B/8Fwat7bLzmsCiEXOJY7NNpIEpkoNoEUfCcZwmLrU +eOTPzaF6drw6ayewEi5yzPg3TAT6FV3oBsNg3xlwU0gPK3v6gYPX5w9+ovPZ1/qqNfOrbsE FRuiSVsZQ5s3AAMFD/9XjlnnVDh9GX/r/6hjmr4U9tEsM+VQXaVXqZuHKaSmojOLUCP/YVQo 7IiYaNssCS4FCPe4yrL4FJJfJAsbeyDykMN7wAnBcOkbZ9BPJPNCbqU6dowLOiy8AuTYQ48m vIyQ4Ijnb6GTrtxIUDQeOBNuQC/gyyx3nbL/lVlHbxr4tb6YkhkO6shjXhQh7nQb33FjGO4P WU11Nr9i/qoV8QCo12MQEo244RRA6VMud06y/E449rWZFSTwGqb0FS0seTcYNvxt8PB2izX+ HZA8SL54j479ubxhfuoTu5nXdtFYFj5Lj5x34LKPx7MpgAmj0H7SDhpFWF2FzcC1bjiW9mjW HaKaX23Awt97AqQZXegbfkJwX2Y53ufq8Np3e1542lh3/mpiGSilCsaTahEGrHK+lIusl6mz Joil+u3k01ofvJMK0ZdzGUZ/aPMZ16LofjFA+MNxWrZFrkYmiGdv+LG45zSlZyIvzSiG2lKy kuVag+IijCIom78P9jRtB1q1Q5lwZp2TLAJlz92DmFwBg1hyFzwDADjZ2nrDxKUiybXIgZp9 aU2d++ptEGCVJOfEW4qpWCCLPbOT7XBr+g/4H3qWbs3j/cDDq7LuVYIe+wchy/iXEJaQVeTC y5arMQorqTFWlEOgRA8OP47L9knl9i4xuR0euV6DChDrguup2aJVU8JPBBgRAgAPAhsMBQJU X9LxBQkeXB3fAAoJEGFXmRW1Y3YOj4UAn3nrFLPZekMeqX5aD/aq/dsbXSfyAKC45Go0YyxV HGuUuzv+GKZ6nsysJw== Message-ID: <26239d41-0d58-43fd-89e9-1576c84f89f2@gmail.com> Date: Fri, 28 Sep 2018 10:51:16 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/28/2018 01:08 AM, Robin Murphy wrote: > On 2018-09-27 8:27 PM, Florian Fainelli wrote: >> Hi all, >> >> While playing with THUMB2_KERNEL on ARCH_BRCMSTB, several issues came up >> which are addressed by these 3 patches. > > Hmmm, PSCI looks to explicitly support Thumb entrypoints ("T32 support" > in section 6.4.3 of DEN0022D), so these changes smell a little of > papering over a more fundamental problem, which is presumably either > that Thumb symbols are not being resolved correctly, or that the > firmware you're using has a bug. Yes, I clearly missed that during the internal review of our implementation and missed it again prior to submitting those patches, shame on me. The last patch is valid because it addresses a problem on 32-bit only platforms which do not have a PSCI firmware at that point. Thanks! -- Florian