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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 176F3C4708E for ; Wed, 7 Dec 2022 15:59:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229441AbiLGP7d (ORCPT ); Wed, 7 Dec 2022 10:59:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229619AbiLGP7a (ORCPT ); Wed, 7 Dec 2022 10:59:30 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6A1223BF1; Wed, 7 Dec 2022 07:59:29 -0800 (PST) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 601791FFCE; Wed, 7 Dec 2022 15:59:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1670428768; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=p0aSEvHISruuzZjqWWn22P3im5JpJKTcXGdCgqL9wuw=; b=1zKXe1Qo9B6atEkE/L5w5iyaXuwH0HhnMMco1Hr9Z8UYZEBsybMX8CjCb+DbYbZj6CoVjU 566QvxrpAiAOhLdTL+wY1wqPPQImPFHIojk26X9O5CdYa/CfgrGaLMdU3y8r/zvqyjWpS7 jiSBwFgwmQVhKE8l03YY+PBrbaN3YnQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1670428768; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=p0aSEvHISruuzZjqWWn22P3im5JpJKTcXGdCgqL9wuw=; b=dAtZVoold3ZIR/nXrY0RvEbRkjpvcMO0Y4cocApzlSsfeFG3v9Hu8HsXftHUjYcteYVYpU B3BbZCybHnBfv1Cg== Received: from kitsune.suse.cz (kitsune.suse.cz [10.100.12.127]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id 01A0F2C141; Wed, 7 Dec 2022 15:59:25 +0000 (UTC) Date: Wed, 7 Dec 2022 16:59:24 +0100 From: Michal =?iso-8859-1?Q?Such=E1nek?= To: Mathieu Desnoyers Cc: Michael Ellerman , Michael Jeanson , Christophe Leroy , Steven Rostedt , "stable@vger.kernel.org" , Masami Hiramatsu , Mark Rutland , Nicholas Piggin , "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] powerpc/ftrace: fix syscall tracing on PPC64_ELF_ABI_V1 Message-ID: <20221207155924.GG28810@kitsune.suse.cz> References: <20221201161442.2127231-1-mjeanson@efficios.com> <87pmcys9ae.fsf@mpe.ellerman.id.au> <219580de-7473-f142-5ef2-1ed40e41d13d@csgroup.eu> <323f83c7-38fe-8a12-d77a-0a7249aad316@efficios.com> <87mt81sbxb.fsf@mpe.ellerman.id.au> <484763aa-e77b-b599-4786-ef4cdf16d7bd@efficios.com> <87cz8wrmm6.fsf@mpe.ellerman.id.au> <6db50470-ac37-0328-37a2-760665668b5f@efficios.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6db50470-ac37-0328-37a2-760665668b5f@efficios.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Wed, Dec 07, 2022 at 10:18:13AM -0500, Mathieu Desnoyers wrote: > On 2022-12-06 21:09, Michael Ellerman wrote: > > Mathieu Desnoyers writes: > > > On 2022-12-05 17:50, Michael Ellerman wrote: > > > > Relatedly we have a patch in next to optionally use ABIv2 for 64-bit big > > endian builds. > > Interesting. Does it require a matching user-space ? (built with PPC64 ABIv2 No, the kernel and userspace ABI is separate. > ?) Does it handle legacy PPC32 executables ? Theoretically it should. No idea if anybody has tested it. Thanks Michal