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 2C984C433F5 for ; Wed, 9 Mar 2022 01:14:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230418AbiCIBPE (ORCPT ); Tue, 8 Mar 2022 20:15:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231290AbiCIBNK (ORCPT ); Tue, 8 Mar 2022 20:13:10 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94760169387; Tue, 8 Mar 2022 17:02:55 -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=+/EchvKqxgDAiC0CiCuu0yIQfeE12gsf0GdAJi2W9UI=; b=jXhGdy313jO3pVD7GRnGQSmECg AV6Ef3Id/uA26FvlY05gO1nlFjqt2F0MEVNhh7d83Kh/I/F2cVKZBbFVYyqyWQ2L7DGHBBBQupNOp qr4dBLBId3aKMVXDn/igkF0YqS3+2J/7V9LhU97BKP5NNf5j0046VQyh7NE+6TcpuzVbJsds8A5Yd cMmiFB4XGE8UoY78oVc1ZMvCWL+BCEG7KzjEmfp+wkZT40fkLhRpiZOX+B0d9aJIWhESB8Yo13f9S i2Nk74TOO4+ssQJbuhBtshUOj3/fnlV2w/cBe963WPGcybKw/CN4OK6VgZL2/gFw6Jke8KeSXCv3p Pv03Jqcw==; 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 1nRkic-00GglB-NJ; Wed, 09 Mar 2022 01:02:23 +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) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 5E88430037F; Wed, 9 Mar 2022 02:02:20 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 1ADD42BCCB298; Wed, 9 Mar 2022 02:02:20 +0100 (CET) Date: Wed, 9 Mar 2022 02:02:20 +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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 08, 2022 at 11:32:37PM +0100, Peter Zijlstra wrote: > On Tue, Mar 08, 2022 at 11:01:04PM +0100, Peter Zijlstra wrote: > > On Tue, Mar 08, 2022 at 12:00:52PM -0800, Alexei Starovoitov wrote: > > > On Tue, Mar 08, 2022 at 04:30:11PM +0100, Peter Zijlstra wrote: > > > > Hopefully last posting... > > > > > > > > Since last time: > > > > > > > > - updated the ftrace_location() patch (naveen, rostedt) > > > > - added a few comments and clarifications (bpetkov) > > > > - disable jump-tables (joao) > > > > - verified clang-14-rc2 works > > > > - fixed a whole bunch of objtool unreachable insn issue > > > > - picked up a few more tags > > > > > > > > Patches go on top of tip/master + arm64/for-next/linkage. Also available here: > > > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt > > > > > > I've tried to test it. > > > > I could cleanly do: > > > > git checkout tip/master > > git merge bpf-next/master > > git merge queue/x86/wip.ibt > > > > You want me to push out that result somewhere? > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/ibt > > includes bpf-next/master. I just managed to run bpf selftests with that kernel on a tigerlake platform. Seems to still work.