Received: by 2002:a05:6a10:8a4d:0:0:0:0 with SMTP id dn13csp808711pxb; Fri, 13 Aug 2021 06:51:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzBecrzwmlxup3tMAat7RjaA8gRgQ1lGCAay3BOvcPwWmLj3tXmkJh/CQdnV+iUWTmwzK2u X-Received: by 2002:a05:6402:1b9c:: with SMTP id cc28mr3223963edb.297.1628862700698; Fri, 13 Aug 2021 06:51:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1628862700; cv=none; d=google.com; s=arc-20160816; b=wCv2gt0n7Fay9KolAyFIK/WiJNdt0otlMzWuIyi1HVY9D8sKQt5q/u27+12MTm/DlV 9aAJl8ItMbm3QCAGdzDGeEFj73eFCpUoFseAf8DTGPjpUrJJFFBZOa5XcpTJEfEm0PcU pwGYHx4h6xBZmhG7iiVHXCQTIeFOaPrWqFrrD9hIY60B3Pg+gMHj10YvAbJHRVPpSNqQ K7o04l3KSNFkkXaEIF5A/BBQ5jl2j+VTE6yMLoBw9UB2mHUE1wN4fN4WkatYrz1TM1C5 vlALbWQxewdnQL9mqJdApWaK7h5o0gUTZKKpAZrtzCH+8eWvauNE7obhc+fxdHAEnD0J 65Zg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version:date :message-id:subject:references:in-reply-to:cc:to:from; bh=ayTzaUihMDw9XQDiPdl2DfoccmQsxvgmd6k2T1lAcgo=; b=EMt722K8xNgZtjKWPeG7hMaHWjanVWBuvQtuX1RbUPdcYZcoCgDreZx5EC0w09bW6L H0W2P1xqiC2jJhnLDnExTa0nybO7B/i4YiMM8Mxocc5ERTwAjZDU2Cod/vr1JoG0vYYo 2iocwWUD69i6l8kjpgjSd8gZkGK73uXCr79N059U1TVxVhyLrvY2s2IvXINtBVtUvA9W GEzA3F+/gR3XwTYetr8TxlI74QJCgI/y6evPLaIQyHFyG/3lFlgUMomiD5ZqMpB9rC8h 55a8P22eXPcJUbOt1X+JTJJo6db5T8nltn9kji2WVhKBW9wTDTf8hV5FpVN5c/u4SXrl xwmg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id m17si1805609edv.35.2021.08.13.06.51.17; Fri, 13 Aug 2021 06:51:40 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238741AbhHML7a (ORCPT + 99 others); Fri, 13 Aug 2021 07:59:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239480AbhHML71 (ORCPT ); Fri, 13 Aug 2021 07:59:27 -0400 Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 448BEC061756 for ; Fri, 13 Aug 2021 04:59:00 -0700 (PDT) Received: by ozlabs.org (Postfix, from userid 1034) id 4GmMXd0tWSz9sWq; Fri, 13 Aug 2021 21:58:57 +1000 (AEST) From: Michael Ellerman To: Benjamin Herrenschmidt , Michael Ellerman , radu.rendec@gmail.com, Christophe Leroy , Paul Mackerras Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org In-Reply-To: <028d5483b4851b01ea4334d0751e7f260419092b.1625637264.git.christophe.leroy@csgroup.eu> References: <028d5483b4851b01ea4334d0751e7f260419092b.1625637264.git.christophe.leroy@csgroup.eu> Subject: Re: [PATCH] powerpc/32: Fix critical and debug interrupts on BOOKE Message-Id: <162885586697.2317031.18158265809824368370.b4-ty@ellerman.id.au> Date: Fri, 13 Aug 2021 21:57:46 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 7 Jul 2021 05:55:07 +0000 (UTC), Christophe Leroy wrote: > 32 bits BOOKE have special interrupts for debug and other > critical events. > > When handling those interrupts, dedicated registers are saved > in the stack frame in addition to the standard registers, leading > to a shift of the pt_regs struct. > > [...] Applied to powerpc/fixes. [1/1] powerpc/32: Fix critical and debug interrupts on BOOKE https://git.kernel.org/powerpc/c/b5cfc9cd7b0426e94ffd9e9ed79d1b00ace7780a cheers