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[23.128.96.19]) by mx.google.com with ESMTPS id d16-20020a170902ced000b00151a604240csi9475596plg.369.2022.03.11.12.53.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Mar 2022 12:53:33 -0800 (PST) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=sVckvczz; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A47D21EE256; Fri, 11 Mar 2022 12:45:21 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348001AbiCKKmM (ORCPT + 99 others); Fri, 11 Mar 2022 05:42:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242183AbiCKKmJ (ORCPT ); Fri, 11 Mar 2022 05:42:09 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4E361C2D96; Fri, 11 Mar 2022 02:41:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=AkzjaffqsM7lApV4o+H65jHOpuOe6KV8yXwb2WF6dMU=; b=sVckvczzMIqkK8zNtlAixrVAvU XCJLBekqmH2a/SE7X2l1z/z/w2OfOGZsCFggKc6zcGOYvUl694puMBUueA+QLykPu2XhwIqaGq2bf dE9pVZvyd3vOTmw7KrDYQvOKYAyFb0d6MEIJztRARnNT6ENLjks4cqKOnLa4RM01FuGJ4DtNbqK7V 4I+xps9y2vaUDGPqay3CSdmiQM1Mlj/Tom3UJMcfMFa29I568+zZ1eaKFiBNLpRs7724pa1VMSp/I s3MWeBi7L1PajYfrkjqV0TqzPAgIXtcrSIV3UkkCFgOusdMdvgxWfsZh8j2fkcgeyZuRVNcFaioPY 8EfkYSOQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nSchC-001UGh-DO; Fri, 11 Mar 2022 10:40:30 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 25BD030027B; Fri, 11 Mar 2022 11:40:28 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 041AD201EE482; Fri, 11 Mar 2022 11:40:27 +0100 (CET) Date: Fri, 11 Mar 2022 11:40:27 +0100 From: Peter Zijlstra To: Alexei Starovoitov Cc: x86@kernel.org, joao@overdrivepizza.com, hjl.tools@gmail.com, jpoimboe@redhat.com, andrew.cooper3@citrix.com, linux-kernel@vger.kernel.org, ndesaulniers@google.com, keescook@chromium.org, samitolvanen@google.com, mark.rutland@arm.com, alyssa.milburn@intel.com, mbenes@suse.cz, rostedt@goodmis.org, mhiramat@kernel.org, daniel@iogearbox.net, andrii@kernel.org, bpf@vger.kernel.org Subject: Re: [PATCH v4 00/45] x86: Kernel IBT Message-ID: References: <20220308153011.021123062@infradead.org> <20220308200052.rpr4vkxppnxguirg@ast-mbp.dhcp.thefacebook.com> <20220309190917.w3tq72alughslanq@ast-mbp.dhcp.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no 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 On Thu, Mar 10, 2022 at 05:29:11PM +0100, Peter Zijlstra wrote: > This seems to cure most of the rest. I'm still seeing one failure: > > libbpf: prog 'connect_v4_prog': BPF program load failed: Invalid argument > libbpf: failed to load program 'connect_v4_prog' > libbpf: failed to load object './connect4_prog.o' > test_fexit_bpf2bpf_common:FAIL:tgt_prog_load unexpected error: -22 (errno 22) > #48/4 fexit_bpf2bpf/func_replace_verify:FAIL Hmm, with those two patches on I get: root@tigerlake:/usr/src/linux-2.6/tgl-build# ./test_progs -t fexit #46 fentry_fexit:OK #48 fexit_bpf2bpf:OK #49 fexit_sleep:OK #50 fexit_stress:OK #51 fexit_test:OK Summary: 5/9 PASSED, 0 SKIPPED, 0 FAILED On the tigerlake, I suppose I'm doing something wrong on the other machine because there it's even failing on the pre-ibt kernel image. I'll go write up changelogs and stick these on.