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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 1D5F0C5ACC0 for ; Tue, 17 Mar 2020 13:29:14 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C9DB4205ED for ; Tue, 17 Mar 2020 13:29:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9DB4205ED Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48hYsy1W18zDqf0 for ; Wed, 18 Mar 2020 00:29:10 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48hYYD1VCyzDqdk for ; Wed, 18 Mar 2020 00:14:40 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 48hYYB6CJzz9sPF; Wed, 18 Mar 2020 00:14:38 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: aa4113340ae6c2811e046f08c2bc21011d20a072 In-Reply-To: <20200123111914.2565-1-laurentiu.tudor@nxp.com> To: Laurentiu Tudor , "oss@buserror.net" , "linuxppc-dev@lists.ozlabs.org" From: Michael Ellerman Subject: Re: [PATCH] powerpc/fsl_booke: avoid creating duplicate tlb1 entry Message-Id: <48hYYB6CJzz9sPF@ozlabs.org> Date: Wed, 18 Mar 2020 00:14:38 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Diana Madalina Craciun , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , Laurentiu Tudor Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, 2020-01-23 at 11:19:25 UTC, Laurentiu Tudor wrote: > In the current implementation, the call to loadcam_multi() is wrapped > between switch_to_as1() and restore_to_as0() calls so, when it tries > to create its own temporary AS=3D1 TLB1 entry, it ends up duplicating the > existing one created by switch_to_as1(). Add a check to skip creating > the temporary entry if already running in AS=3D1. > > Fixes: d9e1831a4202 ("powerpc/85xx: Load all early TLB entries at once") > Signed-off-by: Laurentiu Tudor > Cc: stable@vger.kernel.org Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/aa4113340ae6c2811e046f08c2bc21011d20a072 cheers