From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C86B34EB45 for ; Wed, 7 Aug 2024 14:18:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723040286; cv=none; b=uZvXO87mRk53PRLbC9jC99e+5ec5xJqWYsxqLDElI52V+4wnV2CxTIeQH52yBNuxjMbU1ha8PW4sXmuv9ASe4tkwQYWoCnBJVVtXuhPjHw5ew8I4v25H0uQPI+EhSF8swZ5K7bE7Ksw6Yo8beuvA9peEI8pwR9ygVHdncaaSqlQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723040286; c=relaxed/simple; bh=6OLHSMpgGyPMhK6o+Xp+JrNQ5JAEc8sF6mB+N2XNOKI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MYL9K8zFbKKsfYumNNzZunlYVU1+6tZFZ7rdSwZpK5UXeno5RH0D0/mqz1i01PXiyzQsKwu7ZP0aP+LAmKe4sPoqJmebg2bAKoVEXXY21WnXMA6dFpSbycrEYwb1c4LbwPAwyQ7nV8t+AcZp9lbBG6iUcWR1sCZh4PQPYLxgl0Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=OmfU7dYI; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="OmfU7dYI" 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=ZAqHRLErDkYBIO/iExxKn9TkNBODCU99rDyYm28Tn80=; b=OmfU7dYISjxJ3i73JVJB+JUzvp qR1D0CHJkf1WeY2ecsyZih6dtYU0G2Mn79bfdagz0qN8Nh2w5ZPmDt56WOgEpydN882reSW7tjooQ GwTA9yM2qyyEqvq4GVye11plvyNZ/haogn8xb1HJ3R9ikfi38bxPAGjgS7Tt1wLyxk3u4p5E2KL9G X6ZNssg2nrZniIW5ROf3+gfY3H/Uxp06sqIin5TM0mxFDS9uUNuC0+vvX9E+kjiZYZevVBRAXdm5B 09q6g3KTeWSnZh6F+Az7SboTrASXeYAlcStffcLh2bkfUwKrDtR0SAErmIqk1XwcTeiK4s8eCMN2G U8Xf7jcw==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbhUI-00000007Sc2-1qQS; Wed, 07 Aug 2024 14:18:02 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 3729430033D; Wed, 7 Aug 2024 16:18:01 +0200 (CEST) Date: Wed, 7 Aug 2024 16:18:01 +0200 From: Peter Zijlstra To: Arnd Bergmann Cc: Josh Poimboeuf , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: new objtool warnings with gcc-14 Message-ID: <20240807141801.GB31338@noisy.programming.kicks-ass.net> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Aug 07, 2024 at 03:56:45PM +0200, Arnd Bergmann wrote: > I see some objtool warnings with gcc-14.2.0 that I don't show > up on gcc-14.1 or older: > > vmlinux.o: warning: objtool: adis16260_write_raw() falls through to next function adxrs290_read_avail() > vmlinux.o: warning: objtool: adis16400_write_raw() falls through to next function adis16400_show_flash_count() > vmlinux.o: warning: objtool: x86_init_dev_msi_info+0x61: relocation to !ENDBR: irq_chip_retrigger_hierarchy+0x0 > vmlinux.o: warning: objtool: rza1_irqc_probe+0x257: relocation to !ENDBR: irq_chip_retrigger_hierarchy+0x0 > vmlinux.o: warning: objtool: .export_symbol+0x5908: data relocation to !ENDBR: irq_chip_retrigger_hierarchy+0x0 > vmlinux.o: warning: objtool: .export_symbol+0x35b18: data relocation to !ENDBR: stpcpy+0x0 https://gcc.gnu.org/PR116174 As such, I've been blissfully ignoring all GCC-14 issues.