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[2620:137:e000::1:20]) by mx.google.com with ESMTP id i42-20020a0564020f2a00b00456eaa4fb1fsi6446298eda.223.2022.12.12.00.45.14; Mon, 12 Dec 2022 00:45:32 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b="SJ/+WWdz"; dkim=neutral (no key) header.i=@suse.cz header.s=susede2_ed25519 header.b=NWtmdhrl; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231472AbiLLIQC (ORCPT + 75 others); Mon, 12 Dec 2022 03:16:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229496AbiLLIQB (ORCPT ); Mon, 12 Dec 2022 03:16:01 -0500 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 357E7C745; Mon, 12 Dec 2022 00:15:59 -0800 (PST) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 9C10E337F2; Mon, 12 Dec 2022 08:15:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1670832958; 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=Fkpn+tZcJeudANWrekmNzhJ9sWWRStUcNOk75TUGVOA=; b=SJ/+WWdzMjwNVHUSzgOqB/oaFKfchvGfon2Thz64qkaYhD47mzXyBL4U+yxHRN4klzl0+B 1rUsmxeY/vPKxv9IZtKM/cmn+Yjl4+R9Krt9ssu3+AI9SnyImRzataysig3eXvO2zAJ9Yq 7ksf3UtdkMkA0dGmk40TEHXOdfTuvkQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1670832958; 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=Fkpn+tZcJeudANWrekmNzhJ9sWWRStUcNOk75TUGVOA=; b=NWtmdhrlM4aNQ/hGXkEvMQzIyNYUxlqdwMKG7pGo9kSYOvG0zhzfbTl9AxBXhMIbsvLxb0 q3pFWmUqQYmxcPCw== Received: from pobox.suse.cz (pobox.suse.cz [10.100.2.14]) (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 4CD622C141; Mon, 12 Dec 2022 08:15:58 +0000 (UTC) Date: Mon, 12 Dec 2022 09:16:01 +0100 (CET) From: Miroslav Benes To: Song Liu cc: live-patching@vger.kernel.org, linux-kernel@vger.kernel.org, jpoimboe@kernel.org, jikos@kernel.org, pmladek@suse.com, x86@kernel.org, joe.lawrence@redhat.com, linuxppc-dev@lists.ozlabs.org, Josh Poimboeuf Subject: Re: [PATCH v6] livepatch: Clear relocation targets on a module removal In-Reply-To: Message-ID: References: <20220901171252.2148348-1-song@kernel.org> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Status: No, score=-3.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_SOFTFAIL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > Petr has commented on the code aspects. I will just add that s390x was not > > dealt with at the time because there was no live patching support for > > s390x back then if I remember correctly and my notes do not lie. The same > > applies to powerpc32. I think that both should be fixed as well with this > > patch. It might also help to clean up the ifdeffery in the patch a bit. > > I don't have test environments for s390 and powerpc, so I really don't know > whether I am doing something sane for them. I would say that if you implement it, there are people here who would be able help with the testing and reviewing the changes if CCed. > Would you have time to finish these parts? (Or maybe the whole patch..) Unfortunately I cannot promise anything at the moment. I am really sorry about that. Miroslav