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,URIBL_BLOCKED,USER_AGENT_GIT 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 EC207C432C0 for ; Tue, 19 Nov 2019 05:35:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C29B720862 for ; Tue, 19 Nov 2019 05:35:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574141741; bh=A3cExw9CqJgzdtqRXjlxgfhaTlG665RQFAEildQhG8M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ioFyTbJADHsnBFwLichdDAL5saLsaLWUlKh3qaHk7XQc/A2S/VxmhYxJYqOv7xNcW a3rus7ZDAR27ehHCSkD7Y6SkqZvEfk7t9D89Ea2fuWeABud9h97xGmRn1eBT5UOpyv kaNrJazgyI/seoY3UIPO3/tb2nyuss/3LzPJjUfQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729372AbfKSFfk (ORCPT ); Tue, 19 Nov 2019 00:35:40 -0500 Received: from mail.kernel.org ([198.145.29.99]:56548 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728314AbfKSFfg (ORCPT ); Tue, 19 Nov 2019 00:35:36 -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 AF0B1206EC; Tue, 19 Nov 2019 05:35:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574141736; bh=A3cExw9CqJgzdtqRXjlxgfhaTlG665RQFAEildQhG8M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BjxQZTzoxb5/ppDO6CmUwlIPSqgElwDoEc38FooTRPsun3WN6fnFUMmFhOIUJvRcW KprHZL3HrWpHDgcXt+mxf9sQA44jPhiX8Q+Qsbj6YXD5F0t9QhM44aLlNhn2c31OWw hAzkBHA9afECCnGp7n1sruBsh1xWdv+6Nt28cNEQ= 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 4.19 262/422] powerpc/64s/hash: Fix stab_rr off by one initialization Date: Tue, 19 Nov 2019 06:17:39 +0100 Message-Id: <20191119051415.969681930@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191119051400.261610025@linuxfoundation.org> References: <20191119051400.261610025@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 9f574e59d1786..2f162c6e52d4f 100644 --- a/arch/powerpc/mm/slb.c +++ b/arch/powerpc/mm/slb.c @@ -355,7 +355,7 @@ 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