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=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 99B71C55178 for ; Fri, 23 Oct 2020 11:25:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EFEA2225F for ; Fri, 23 Oct 2020 11:25:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603452322; bh=80IGgVr3jLT0tbKyUqY9AiiK9kcb+f4SmS4LteQxqm8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=KxxWDKREYj9cEZhxa/WMF0ui/8z5nTq9x5kpeEzJnmt0hRUJY9lfpUU7j7oSB7nGc RB56EIlzB0Mg9L05/5ie9S79koTmCeZV0cNVLLeYcUp8yDRlq13noAPgt95wEa7QfI r5CzqOdY9iIATL50Ht2NsNnHsFhA+676iKLYIfh4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S462940AbgJWLZV (ORCPT ); Fri, 23 Oct 2020 07:25:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:40590 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S462887AbgJWLZV (ORCPT ); Fri, 23 Oct 2020 07:25:21 -0400 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 7521F20874; Fri, 23 Oct 2020 11:25:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603452320; bh=80IGgVr3jLT0tbKyUqY9AiiK9kcb+f4SmS4LteQxqm8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hUUB8LRrYirMa7dtXS99Rfw/OcLZjncqFjJU853emGSXkp21c3O94EkA3aY/IDq4T oQcoVwm2lzKE2+mou3F94TBpdoMDQFhh2aJfUdKjnesllLLdWgmKfx40YI66uhZr6+ K6Ge3tlkjn7ZZS9Nhkv+CJC1yQjQ3nR7lndklDCk= Date: Fri, 23 Oct 2020 12:25:15 +0100 From: Will Deacon To: Christophe Leroy Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , nathanl@linux.ibm.com, linux-arch , Arnd Bergmann , open list , Andy Lutomirski , Thomas Gleixner , Vincenzo Frascino , linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH v8 2/8] powerpc/vdso: Remove __kernel_datapage_offset and simplify __get_datapage() Message-ID: <20201023112514.GE20933@willie-the-truck> References: <87wo34tbas.fsf@mpe.ellerman.id.au> <2f9b7d02-9e2f-4724-2608-c5573f6507a2@csgroup.eu> <6862421a-5a14-2e38-b825-e39e6ad3d51d@csgroup.eu> <87imd5h5kb.fsf@mpe.ellerman.id.au> <87a6yf34aj.fsf@mpe.ellerman.id.au> <20200921112638.GC2139@willie-the-truck> <542145eb-7d90-0444-867e-c9cbb6bdd8e3@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Fri, Oct 23, 2020 at 01:22:04PM +0200, Christophe Leroy wrote: > Hi Dmitry, > > Le 28/09/2020 à 17:08, Dmitry Safonov a écrit : > > On 9/27/20 8:43 AM, Christophe Leroy wrote: > > > > > > > > > Le 21/09/2020 à 13:26, Will Deacon a écrit : > > > > On Fri, Aug 28, 2020 at 12:14:28PM +1000, Michael Ellerman wrote: > > > > > Dmitry Safonov <0x7f454c46@gmail.com> writes: > > [..] > > > > > > I'll cook a patch for vm_special_mapping if you don't mind :-) > > > > > > > > > > That would be great, thanks! > > > > > > > > I lost track of this one. Is there a patch kicking around to resolve > > > > this, > > > > or is the segfault expected behaviour? > > > > > > > > > > IIUC dmitry said he will cook a patch. I have not seen any patch yet. > > > > Yes, sorry about the delay - I was a bit busy with xfrm patches. > > > > I'll send patches for .close() this week, working on them now. > > I haven't seen the patches, did you sent them out finally ? I think it's this series: https://lore.kernel.org/r/20201013013416.390574-1-dima@arista.com but they look really invasive to me, so I may cook a small hack for arm64 in the meantine / for stable. Will