From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 BC91D2222D0; Sat, 19 Sep 2026 17:44:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789839853; cv=none; b=hPtEii4PHq5KQM8ondfxHDFM7JXEto0+Aa1kK4OCEonfjhcFuu8DZJuZALAA0gL5yCktnY3PBoSq3Co8/kNsdsfWV183vE6UtQQg8LBG9Vor9qMeBA3q9rhko3pYE1mQUi7xrMplkrCPg3szQ2h+Osb0XPYuNtzkxzmOsQLScvE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789839853; c=relaxed/simple; bh=v6VvYmFiXlar1IemoKJGxYAnY7TIsrPjnrZVgumjnuk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qo22SkpA8vgnspFLZugPpEQq+YAAIdPxDhcMGhX3CbAsSMTEKMbeS9XcTarnBcQ8zmUajT1I08uxPRmJIhTvfdY5WP6BV2VmnFldxzXO7nYiRZ/5Omb6R9ZeaQ596boyH6o2W25LbtVbgfiKWjoV1xSaJSnJNurzFSE+5YIkHfE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UyjIipdw; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UyjIipdw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A72A11F000FF; Sat, 19 Sep 2026 17:44:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789839852; bh=plN+c/BYldO0ndQ5BcS5qGCDo4Hxnvos4lynYvhEHTo=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=UyjIipdw0tt8GXYTTY85zRh5fU/oDzYyGbnpiDXd9mc0DxbAGXWMNiiFraMESgiUt I3SeGIMBcWTmorAmEhrShRdjbTRy2V9HjHkTI37D1HrVNj/9uHppjSHx0X9TD9jmqt a8Nlc8m16jqnatgXe4mxAcSNuRy9loWMrE41gywF2Pj12ABb4US7KQnBV5W74MhQME 7k46wJDeQnMlIoYaZYlgL40fc6u1R1aGw0yvB6NgLzDsGhVtrMrAN0ry8iTi+MhDnR EIA4u46W2q6JXXRJDK4wqs7opyUEVzX9nxLDiU4cQoABSxoZ7Uks175IbBpTLFZAIf t1gZFBEcSPIvQ== Date: Sat, 19 Sep 2026 18:43:58 +0100 From: "Lorenzo Stoakes (ARM)" To: Kees Cook Cc: Linus Torvalds , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , Masahiro Yamada , Alexey Gladkov , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Arnd Bergmann , Catalin Marinas , Will Deacon , Mark Rutland , Ard Biesheuvel , Ilias Apalodimas , Josh Poimboeuf , Peter Zijlstra , Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?B?QmrDtnJu?= Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , Onur =?utf-8?B?w5Z6a2Fu?= , Jonathan Corbet , Randy Dunlap , "Gustavo A. R. Silva" , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-riscv@lists.infradead.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-doc@vger.kernel.org, Jens Axboe , linux-hardening@vger.kernel.org Subject: Re: [PATCH v3 20/20] kbuild: compress the kernel with pigz if available Message-ID: References: <20260917-build-speedup-v3-0-9ecf4163ff36@kernel.org> <20260917-build-speedup-v3-20-9ecf4163ff36@kernel.org> <202609170955.C6EABD8C@keescook> 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: <202609170955.C6EABD8C@keescook> On Thu, Sep 17, 2026 at 09:58:04AM -0700, Kees Cook wrote: > On Thu, Sep 17, 2026 at 05:06:30PM +0100, Lorenzo Stoakes (ARM) wrote: > > Signed-off-by: Lorenzo Stoakes (ARM) > > --- > > Documentation/kbuild/kbuild.rst | 17 +++++++++++++++++ > > Documentation/process/changes.rst | 8 ++++++++ > > Makefile | 5 ++++- > > kernel/Makefile | 6 +++++- > > scripts/Makefile.lib | 4 ++-- > > scripts/jobserver-exec | 3 ++- > > tools/lib/python/jobserver.py | 13 +++++++++++++ > > 7 files changed, 51 insertions(+), 5 deletions(-) > > Awesome; I love it. (I may send a follow-up to improve the PARALLELISM Thanks! :) > token so things can define the fallback instead of the hard-coded "1", > but there is only one place I found where that might be useful, and it > will be totally separate from this.) Ack, seems like it's open season on improving this stuff now which is good I think! I also believe there is more performance to be got in future series ;) > > Reviewed-by: Kees Cook Thanks! :) > > -- > Kees Cook -- Cheers, Lorenzo