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 16A73C433EF for ; Mon, 28 Mar 2022 09:07:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239648AbiC1JJO (ORCPT ); Mon, 28 Mar 2022 05:09:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231705AbiC1JJN (ORCPT ); Mon, 28 Mar 2022 05:09:13 -0400 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DD31FD0D for ; Mon, 28 Mar 2022 02:07:32 -0700 (PDT) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4KRmzm2swPz4x7X; Mon, 28 Mar 2022 20:07:16 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1648458447; bh=v1UBLdFGsXMcX/h6bZC2s3eWJwQLx420VUoxxYmsYak=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=Jau2K2Wnvnvu6yY6wbeCl0JkYlOu6kb0Mff5EhPVKTjOwNgYWWBmrKmDRumZUWWww 6+cy1pvfShtmes6SwjGIJqEPr5CyjfYKjakgQMzhHObVgEf6uGSQgPM6GTqLAgo+IK mYmnvh5FEfjRqvHcRCkR3gAsdaiYtiaU5Ip1cSK8kJYMqc4LliYmj6EA+YW4SZ8VVH B2RhMISgR3A0V7mnWCinfXnfNxwwwkIHNc8NRSJGM1R1N08PKsJxzir1A1+C2y2GaS PvHyn8zwtwD7RY6I3bPVw3i1CLyj9lCTlFtbEGd6W84pNxjVyi9lZXEuhP3Ku9RPTl jJGXGfEuS6pZA== From: Michael Ellerman To: Linus Torvalds Cc: Julia Lawall , Alexey Kardashevskiy , Anders Roxell , "Aneesh Kumar K.V" , Arnd Bergmann , Athira Jajeev , bigunclemax@gmail.com, cgel.zte@gmail.com, chenjingwen6@huawei.com, Christophe JAILLET , Christophe Leroy , Corentin Labbe , danielhb413@gmail.com, Helge Deller , farosas@linux.ibm.com, ganeshgr@linux.ibm.com, Geoff Levand , guozhengkui@vivo.com, haren@linux.ibm.com, hbathini@linux.ibm.com, hbh25y@gmail.com, Jakob Koschel , jniethe5@gmail.com, Joe Lawrence , Kees Cook , kernel.noureddine@gmail.com, kjain@linux.ibm.com, ldufour@linux.ibm.com, Linux Kernel Mailing List , linuxppc-dev , maddy@linux.ibm.com, mamatha4@linux.vnet.ibm.com, Miroslav Benes , mikey@neuling.org, Michal Suchanek , nathanl@linux.ibm.com, "Naveen N. Rao" , Nick Piggin , oss@buserror.net, Paul Menzel , Petr Mladek , psampat@linux.ibm.com, Randy Dunlap , Ritesh Harjani , rmclure@linux.ibm.com, sachinp@linux.ibm.com, sourabhjain@linux.ibm.com, tobias@waldekranz.com, Thierry Reding , Bhaskar Chowdhury , Vaibhav Jain , wangborong@cdjrlc.com, Wedson Almeida Filho , YueHaibing Subject: Re: [GIT PULL] Please pull powerpc/linux.git powerpc-5.18-1 tag In-Reply-To: References: <87zglefhxd.fsf@mpe.ellerman.id.au> Date: Mon, 28 Mar 2022 20:07:13 +1100 Message-ID: <87wngefnsu.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus Torvalds writes: > On Fri, Mar 25, 2022 at 3:25 AM Michael Ellerman wrote: >> >> Livepatch support for 32-bit is probably the standout new feature, otherwise mostly just >> lots of bits and pieces all over the board. > > Heh. I would have expected 32-bit ppc to be entirely legacy by now, so > it's a bit surprising to see that being a standout feature. We still get the odd bug report from people running mainline, or recent stable kernels, on 32-bit. And obviously Christophe has been doing lots of work on the Linux side, so in that sense 32-bit is alive and well. Having said that I don't think we'll see any new 32-bit CPU designs, so the clock is slowly ticking. > That said: > >> There's a series of commits cleaning up function descriptor handling, > > For some reason I also thought that powerpc had actually moved away > from function descriptors, so I'm clearly not keeping up with the > times. No you're right, we have moved away from them, but not entirely. Functions descriptors are still used for 64-bit big endian, but they're not used for 64-bit little endian, or 32-bit. cheers