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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 2E3AEC432C0 for ; Tue, 19 Nov 2019 05:58:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F231E2084D for ; Tue, 19 Nov 2019 05:58:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574143089; bh=hf6SbgIk+yIW9m2bRDW1mfmrsZhGzyXJnxMnuBSim6o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MKHQ9+Rg+aI0d1/BR1Xun9u2ElvZ1GOtCFk2x/cf/ySODk6tDq29rQufbfBHSekDA d8MukzKYRTH1xc2j/IrjvaEzEjtn09U6+j/fQKzQNpdGEQaA4FiNzpB4jLvqVTwY73 hlg6hN5jMHPgV1cZzNVC+kZzKj0RVAtJibkxKJck= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731311AbfKSFuK (ORCPT ); Tue, 19 Nov 2019 00:50:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:47132 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729351AbfKSFuJ (ORCPT ); Tue, 19 Nov 2019 00:50:09 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4CC42218BA; Tue, 19 Nov 2019 05:50:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574142608; bh=hf6SbgIk+yIW9m2bRDW1mfmrsZhGzyXJnxMnuBSim6o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Caw5RddBeowK8ozBAPzHn1h3HtrVj33T76ELqLbsIMOsOZeFE7to+RT0e0Ctmzq4F 20KX0MZuszRlqzAIrLyU0wBy6KgMats00H2Z+RE4++US4o0OSLiAEvYGmb8EdQpx9b dsdjFkx5RrH0QrzSKxSmY4InMDwnYlHNyYOrqeoc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nicholas Piggin , Michael Ellerman , Sasha Levin Subject: [PATCH 4.14 140/239] powerpc/64s/hash: Fix stab_rr off by one initialization Date: Tue, 19 Nov 2019 06:19:00 +0100 Message-Id: <20191119051331.614202410@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191119051255.850204959@linuxfoundation.org> References: <20191119051255.850204959@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Nicholas Piggin [ Upstream commit 09b4438db13fa83b6219aee5993711a2aa2a0c64 ] This causes SLB alloation to start 1 beyond the start of the SLB. There is no real problem because after it wraps it stats behaving properly, it's just surprisig to see when looking at SLB traces. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Signed-off-by: Sasha Levin --- arch/powerpc/mm/slb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c index 6d9bf014b3e78..2502fe3bfb54a 100644 --- a/arch/powerpc/mm/slb.c +++ b/arch/powerpc/mm/slb.c @@ -315,7 +315,7 @@ void slb_initialize(void) #endif } - get_paca()->stab_rr = SLB_NUM_BOLTED; + get_paca()->stab_rr = SLB_NUM_BOLTED - 1; lflags = SLB_VSID_KERNEL | linear_llp; vflags = SLB_VSID_KERNEL | vmalloc_llp; -- 2.20.1