From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3rP9L3178czDq5y for ; Tue, 7 Jun 2016 22:07:23 +1000 (AEST) Message-ID: <1465301235.16285.4.camel@ellerman.id.au> Subject: Re: [PATCH] powerpc/mm/hash: Fix the reference bit update when handling hash fault From: Michael Ellerman To: Hugh Dickins , "Aneesh Kumar K.V" Cc: Benjamin Herrenschmidt , paulus@samba.org, linuxppc-dev@lists.ozlabs.org Date: Tue, 07 Jun 2016 22:07:15 +1000 In-Reply-To: References: <201605270629.u4R6OCLx014831@mx0a-001b2d01.pphosted.com> <1464647262.3078.219.camel@kernel.crashing.org> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2016-06-02 at 08:12 -0700, Hugh Dickins wrote: > On Tue, 31 May 2016, Hugh Dickins wrote: > > > > But all my evidence so far is that it is now right: I'll continue > > testing v4.6+fix on a couple of loads until this evening: all is > > well so far. And then switch to testing v4.5+fix on those loads > > for another day and a half. > > I'm glad to confirm: your patch to htab_convert_pte_flags() fixes all > the elusive sigsegv issues I was seeing under load on v4.5 and v4.6. > Thank you! Thanks for all the testing Hugh, and sorry for the bug. cheers