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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C7577C52D6F for ; Sat, 24 Aug 2024 05:52:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uhLrHlwAafPUW4yl9PduC8DmmZgWbH45Ths+b+jorf4=; b=L4MGTmRgmP3NcumHmyrz3BGucm KCPLvwTl/oYYSFcSGxAeW6hgI/0EG8ksohFOctqJ+UOlNcotC44oumL6fMJH86ZImblVSIwR5dgb1 l4hvKvXgFD2tsUVbEQ2dTUybOypJmQ9Kdii3brEsLW3x6N38LSxFGLFLz0onJwLdhO+OLZWna3jp/ 0VEWgwsdgdtTJM6kTLGPV8fdNisM/1h4c89kOzBU1smfcgCA94DkjFEc+wNYIxZEYqK64YdoOkvUh wRJ9HAAkTR+dLUINZgb29ZAxVopOTHgpg5T6UA35FiSc9fOhJjyEyKpActRMPZ1RteUH+ntAZrdii gyZI94lw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1shjhE-00000001ajZ-1vyD; Sat, 24 Aug 2024 05:52:20 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1shjgS-00000001aXZ-0jUj for linux-arm-kernel@lists.infradead.org; Sat, 24 Aug 2024 05:51:33 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 4ABE360C5E; Sat, 24 Aug 2024 05:51:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B92EC32781; Sat, 24 Aug 2024 05:51:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1724478691; bh=kisJaeF07B2iNDo4UN5LUpiQ8jfnmvdcW7qK5PAWhAo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=1oi78JfTt43Ynvw9yzOMZgpFOjEYrk7CZBHNV7YAvIjd5IMgFsikvJousUTS5g1QP PNdVTPoR+oe1WlwHVcK2n9RXsSJklWIrqW1a4gn1YRFmG/bZbue4aA2XeqbsYMBY69 4h6VnKLMnqwgWWdhS0o/fYjczuB6kDYIE4x8+u2w= Date: Sat, 24 Aug 2024 07:51:27 +0200 From: Greg Kroah-Hartman To: Daniel Gomez Cc: Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Lucas De Marchi , Thomas =?iso-8859-1?Q?Hellstr=F6m?= , Rodrigo Vivi , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , William Hubbs , Chris Brannon , Kirk Reiser , Samuel Thibault , Paul Moore , Stephen Smalley , Ondrej Mosnacek , Catalin Marinas , Will Deacon , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Jiri Slaby , Nick Desaulniers , Bill Wendling , Justin Stitt , "linux-kernel@vger.kernel.org" , "linux-kbuild@vger.kernel.org" , "intel-xe@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "speakup@linux-speakup.org" , "selinux@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.linux.dev" , "linux-serial@vger.kernel.org" , "llvm@lists.linux.dev" , Finn Behrens , "Daniel Gomez (Samsung)" , "gost.dev@samsung.com" , Nick Desaulniers Subject: Re: [PATCH 00/12] Enable build system on macOS hosts Message-ID: <2024082413-florist-perpetual-526b@gregkh> References: <20240807-macos-build-support-v1-0-4cd1ded85694@samsung.com> <2024080753-debug-roulette-8cb1@gregkh> <3jnp6tnkjpvnisefomxagazu2u3uzzt7rcon3r5jssraxzwegb@gsxc7c5sfh7v> <2024080758-dedicator-smoky-44be@gregkh> <20240823223736.mosqrdcwqanvdpmd@AALNPWDAGOMEZ1.aal.scsc.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240823223736.mosqrdcwqanvdpmd@AALNPWDAGOMEZ1.aal.scsc.local> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240823_225132_318093_948F769A X-CRM114-Status: GOOD ( 26.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Aug 24, 2024 at 12:37:36AM +0200, Daniel Gomez wrote: > On Wed, Aug 07, 2024 at 04:19:42PM +0200, Greg Kroah-Hartman wrote: > > On Wed, Aug 07, 2024 at 01:56:38PM +0000, Daniel Gomez wrote: > > > On Wed, Aug 07, 2024 at 01:01:08PM GMT, Greg Kroah-Hartman wrote: > > > > On Wed, Aug 07, 2024 at 01:09:14AM +0200, Daniel Gomez via B4 Relay wrote: > > > > > This patch set allows for building the Linux kernel for arm64 in macOS with > > > > > LLVM. > > > > > > > > Is this a requirement somewhere that this must work? It seems like an > > > > odd request, what workflows require cross-operating-system builds like > > > > this? > > > > > > This isn't a requirement, but it would, for example, support workflows for QEMU > > > users and developers on macOS. They could build/compile the kernel natively and > > > use it to launch QEMU instances, simplifying their process. > > > > But that's not a real workload of anyone? How often does this ever come > > up? Who is going to maintain this cross-build functionality over time? > > The delta is becoming very small thanks to the latest patches from Masahiro. > Earlier this week (next-20240820) [1] I rebased the work with all the feedback > and the patch series has been reduced to 7. > > For the maintenance part, I suggest keeping a CI to build and boot the lastest > linux-next tag available. I can set this up here [2] and take the responsability > for maintaining that. But I would be convenient to add documentation for it in > the LLVM section and mark this as 'experimental'. If that's okay, I will prepare > a v2 with this. Let's see what v2 looks like and go from there. thanks, greg k-h