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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 942EAC07E9B for ; Wed, 7 Jul 2021 14:11:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 730AB61CC0 for ; Wed, 7 Jul 2021 14:11:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231784AbhGGONk (ORCPT ); Wed, 7 Jul 2021 10:13:40 -0400 Received: from verein.lst.de ([213.95.11.211]:37099 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230509AbhGGONj (ORCPT ); Wed, 7 Jul 2021 10:13:39 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 9B32B68BFE; Wed, 7 Jul 2021 16:10:54 +0200 (CEST) Date: Wed, 7 Jul 2021 16:10:54 +0200 From: Christoph Hellwig To: Nathan Chancellor Cc: Arnd Bergmann , Christoph Hellwig , Brian Cain , Sid Manning , linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Desaulniers , clang-built-linux@googlegroups.com Subject: Re: how can we test the hexagon port in mainline Message-ID: <20210707141054.GA24828@lst.de> References: <20210623141854.GA32155@lst.de> <08df01d7683d$8f5b7b70$ae127250$@codeaurora.org> <08e101d76842$94f78a60$bee69f20$@codeaurora.org> <20210623151746.GA4247@lst.de>

MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 23, 2021 at 09:06:41PM -0700, Nathan Chancellor wrote: > On Wed, Jun 23, 2021 at 05:35:38PM +0200, Arnd Bergmann wrote: > > On Wed, Jun 23, 2021 at 5:17 PM Christoph Hellwig wrote: > > > > > > It seem like it still isn't complete enought for a kernel build, though: > > > > > > $ export CROSS_COMPILE=/opt/clang+llvm-12.0.0-cross-hexagon-unknown-linux-musl/x86_64-linux-gnu/bin/hexagon-unknown-linux-musl- > > > $ make ARCH=hexagon LLVM=1 oldconfig > > > ... > > > scripts/Kconfig.include:40: linker 'ld.lld' not found > > > > I tried this using the prebuilt binaries from apt.llvm.org: > > > > $ make ARCH=hexagon LLVM=1 O=obj-hexagon CROSS_COMPILE=hexagon-linux- > > LLVM_IAS=1 CC=llvm-12 defconfig modules vmlinux > > :1515:2: warning: syscall clone3 not implemented [-W#warnings] > > #warning syscall clone3 not implemented > > ^ > > 1 warning generated. > > > > Doing the same thing with allmodconfig results in an internal error > > with clang-12 > > while compiling kernel/locking/lockdep.c. Same thing with clang-13. > > After turning > > off lock debugging, it seems fine. > > I've reported this upstream with you on CC: > > https://bugs.llvm.org/show_bug.cgi?id=50838 I've not actually got any mail from that Cc.. > Christoph, that toolchain should work (I had to install libtinfo5 and > libc++1-7 on Debian Buster): > > $ export PATH=$HOME/tmp/clang+llvm-12.0.0-cross-hexagon-unknown-linux-musl/x86_64-linux-gnu/bin:$PATH > > $ make -skj"$(nproc)" ARCH=hexagon CROSS_COMPILE=hexagon-unknown-linux-musl LLVM=1 LLVM_IAS=1 defconfig all hch@brick:~/work/linux$ make -j4 ARCH=hexagon CROSS_COMPILE=hexagon-unknown-linux-musl LLVM=1 LLVM_IAS=1 defconfig all HOSTCC scripts/basic/fixdep clang: error while loading shared libraries: libtinfo.so.5: cannot open shared object file: No such file or directory