Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp4629549ybi; Tue, 11 Jun 2019 09:42:55 -0700 (PDT) X-Google-Smtp-Source: APXvYqzQe/axZtgjNBoQ4I4tYzk3OFveZ48L1I4fmXck+kwo9Muxd5HJFGvnRoztL66HhJUZelXn X-Received: by 2002:a17:902:bb97:: with SMTP id m23mr12406243pls.141.1560271375831; Tue, 11 Jun 2019 09:42:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1560271375; cv=none; d=google.com; s=arc-20160816; b=akGlDGomolhkAeqft30bfPK4fvxrsfyChjcTKVBeb7sXlqsWyx3FnoA1gSVPzaSsDT NRIOPcs054jp+1P2szT6Lpswo8ueGe+LR2R8p1l/cOVePxvc3tUNa0nuM0T9qIkg+amx hM87z1cFkuN9QfaJq0PoqpGU1GYV/auuPed7cNOL9vxaYjrvX+yIs0G3PSkc51tPcyF3 xZYLMVrIUjpuN2cYmsDpdMaiDUjCtCK9WR3x84AdLCo2OE7ft2dCAKiLrT/TlbUrw0AU nhNwle2zRoAdqHtTC8SjbtKmG0KdX4RQqnz9Bb/qRrQiHSNz+dXSq0Pk5Qbi7SV83MsS 2nyw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:date:cc:to:subject:from:message-id :dkim-signature; bh=1fnYeG8GbpjnYF6TrsfmDTOmxu5dgndNejmbugqQbx8=; b=Xd00h3xh7j6tQGvlS8xPXMHeS3T6VdBVYMN00VDGA3RlDos9YeVNOsYTbD0xGSbF/X TPlgzoBkCwM4VXScxDsQ5emNEqKmriB7HJNiyZga/25mUGI4PXIPTeCZoeoyLtSh+jZI fjZnEtg19mGzxVp9G40KfaJR/dPm0/R/5qSCbJ6maV/ffOabt85uZ/hKQonmcCTU2iK9 OSFNB41voIQVIDAhIUaccIyoMKuPUmBL0QR7Aqwk6yIIKDo7ql5wFwB+PvXNmWorheTf U8o3TLSzyb+BuBRyHFQQM1WvizX2kjHXSm/VznkPR4K8oCqOvZk/f+IoNTpFtaPemrzK 7H+Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@c-s.fr header.s=mail header.b=bI7NTUW8; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r200si7596571pfc.281.2019.06.11.09.42.41; Tue, 11 Jun 2019 09:42:55 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@c-s.fr header.s=mail header.b=bI7NTUW8; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405404AbfFKPrX (ORCPT + 99 others); Tue, 11 Jun 2019 11:47:23 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:39280 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389302AbfFKPrX (ORCPT ); Tue, 11 Jun 2019 11:47:23 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 45NZBc2NN5z9v0FR; Tue, 11 Jun 2019 17:47:20 +0200 (CEST) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=bI7NTUW8; dkim-adsp=pass; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id B7h4bXuV-81Y; Tue, 11 Jun 2019 17:47:20 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 45NZBc0hwjz9v0FQ; Tue, 11 Jun 2019 17:47:20 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1560268040; bh=1fnYeG8GbpjnYF6TrsfmDTOmxu5dgndNejmbugqQbx8=; h=From:Subject:To:Cc:Date:From; b=bI7NTUW88Vx5QZFajwgZyStnlVOl6u4+b+RdZ95JenYNvgDN462Dclzmdg+Ob4seQ nR9EWjUxHij/lbqFk2OpzV6SRucW26gHJ4nhgaegJvU36t82qnh+8q3JE5NNSkS3JY JXpI+yxyVdLmrGD0cghtcOglJUQaFKID6V7MNUoA= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 587AA8B7F8; Tue, 11 Jun 2019 17:47:21 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id qgv5iWZpPYN7; Tue, 11 Jun 2019 17:47:21 +0200 (CEST) Received: from po16838vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id E5E578B7F7; Tue, 11 Jun 2019 17:47:20 +0200 (CEST) Received: by po16838vm.idsi0.si.c-s.fr (Postfix, from userid 0) id B4CAB68D05; Tue, 11 Jun 2019 15:47:20 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH] powerpc/32s: fix initial setup of segment registers on secondary CPU To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , erhard_f@mailbox.org Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Tue, 11 Jun 2019 15:47:20 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The patch referenced below moved the loading of segment registers out of load_up_mmu() in order to do it earlier in the boot sequence. However, the secondary CPU still needs it to be done when loading up the MMU. Reported-by: Erhard F. Fixes: 215b823707ce ("powerpc/32s: set up an early static hash table for KASAN") Signed-off-by: Christophe Leroy --- arch/powerpc/kernel/head_32.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index 1d5f1bd0dacd..f255e22184b4 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -752,6 +752,7 @@ __secondary_start: stw r0,0(r3) /* load up the MMU */ + bl load_segment_registers bl load_up_mmu /* ptr to phys current thread */ -- 2.13.3