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 97806C433F5 for ; Mon, 21 Mar 2022 12:56:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238985AbiCUM51 (ORCPT ); Mon, 21 Mar 2022 08:57:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347625AbiCUM51 (ORCPT ); Mon, 21 Mar 2022 08:57:27 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4812BEDF3A; Mon, 21 Mar 2022 05:56:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=YFlhHXWTNkKh8CB15QpQ7sYR5pmzwsAj6etOr2SZi1A=; b=JlvVlVELnIp48NMJI+ARrQuFjv Zi1AvQ4ZxQxzjdm7/LVcyoxoYY+I0Vtf1W/ysTpTfqiKLHoOeL72srIfSZkrIyc2in+1oP5ati8sY 2hGzP3UMMn5ewty3VJB65a0R0jXJYD0rhTBAXl352vEUMVVQFWARKl7/LJUkKQix21vtHY6ao0m0X 2y4ykvY7mUZetTCaQzNcv199ONxsl3v8Wh1xH3s/JncQRsjN707up3lbJO+k/aZ9lr74FH2KVsxxD TLNsmTYU+BX+s1Kc3sZ+B+jjDyyfWV6YZ/fClDC4w2fxvOQPOhb8d8jCNN00xmyfzjHMClPg0MeDb +MRqQATQ==; 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 1nWHZd-00AZWq-VL; Mon, 21 Mar 2022 12:55:50 +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 7116E3001CD; Mon, 21 Mar 2022 13:55:49 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 30D192025BC86; Mon, 21 Mar 2022 13:55:49 +0100 (CET) Date: Mon, 21 Mar 2022 13:55:49 +0100 From: Peter Zijlstra To: Stephen Rothwell Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build warnings after merge of the tip tree Message-ID: References: <20220321140327.777f9554@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20220321140327.777f9554@canb.auug.org.au> Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On Mon, Mar 21, 2022 at 02:03:27PM +1100, Stephen Rothwell wrote: > Hi all, >=20 > After merging the tip tree, today's linux-next build (x864 allmodconfig) > produced these new warnings: >=20 > vmlinux.o: warning: objtool: arch_rethook_prepare()+0x55: relocation to != ENDBR: arch_rethook_trampoline+0x0 > vmlinux.o: warning: objtool: arch_rethook_trampoline_callback()+0x3e: rel= ocation to !ENDBR: arch_rethook_trampoline+0x0 > vmlinux.o: warning: objtool: unwind_next_frame()+0x93e: relocation to !EN= DBR: arch_rethook_trampoline+0x0 > vmlinux.o: warning: objtool: unwind_next_frame()+0x5f2: relocation to !EN= DBR: arch_rethook_trampoline+0x0 > vmlinux.o: warning: objtool: unwind_next_frame()+0x4a7: relocation to !EN= DBR: arch_rethook_trampoline+0x0 > vmlinux.o: warning: objtool: __rethook_find_ret_addr()+0x81: relocation t= o !ENDBR: arch_rethook_trampoline+0x0 > vmlinux.o: warning: objtool: __rethook_find_ret_addr()+0x90: relocation t= o !ENDBR: arch_rethook_trampoline+0x0 > vmlinux.o: warning: objtool: rethook_trampoline_handler()+0x8c: relocatio= n to !ENDBR: arch_rethook_trampoline+0x0 > vmlinux.o: warning: objtool: rethook_trampoline_handler()+0x9b: relocatio= n to !ENDBR: arch_rethook_trampoline+0x0 Hurmph, lemme go figure out where that code comes from, I've not seen those. > [ Note I was already getting these: > arch/x86/crypto/chacha-x86_64.o: warning: objtool: chacha_2block_xor_avx5= 12vl() falls through to next function chacha_8block_xor_avx512vl() > arch/x86/crypto/chacha-x86_64.o: warning: objtool: chacha_4block_xor_avx5= 12vl() falls through to next function chacha_8block_xor_avx512vl() > arch/x86/crypto/poly1305-x86_64.o: warning: objtool: poly1305_blocks_avx(= ) falls through to next function poly1305_blocks_x86_64() > arch/x86/crypto/poly1305-x86_64.o: warning: objtool: poly1305_emit_avx() = falls through to next function poly1305_emit_x86_64() > arch/x86/crypto/poly1305-x86_64.o: warning: objtool: poly1305_blocks_avx2= () falls through to next function poly1305_blocks_x86_64() Yes, those are somewhere on the todo list, lemme bump them.