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[156.34.48.30]) by smtp.gmail.com with ESMTPSA id t20sm5804267qke.79.2020.09.29.12.08.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2020 12:08:17 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kNKz2-003Exd-Hx; Tue, 29 Sep 2020 16:08:16 -0300 Date: Tue, 29 Sep 2020 16:08:16 -0300 From: Jason Gunthorpe To: John Hubbard Cc: Andrew Morton , Jonathan Corbet , =?utf-8?B?SsOpcsO0bWU=?= Glisse , Ralph Campbell , Shuah Khan , LKML , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org, linux-s390@vger.kernel.org Subject: Re: [PATCH 2/8] selftests/vm: use a common gup_test.h Message-ID: <20200929190816.GY9916@ziepe.ca> References: <20200928062159.923212-1-jhubbard@nvidia.com> <20200928062159.923212-3-jhubbard@nvidia.com> <20200928125739.GP9916@ziepe.ca> <6481e78f-c70d-133a-ff4a-325b5cd8fd5d@nvidia.com> <20200929163507.GV9916@ziepe.ca> <20200929175524.GX9916@ziepe.ca> <715c49ec-d2a8-45cb-8ace-c6b1b4b8f978@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <715c49ec-d2a8-45cb-8ace-c6b1b4b8f978@nvidia.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000014, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Sep 29, 2020 at 11:59:55AM -0700, John Hubbard wrote: > On 9/29/20 10:55 AM, Jason Gunthorpe wrote: > > On Tue, Sep 29, 2020 at 10:44:31AM -0700, John Hubbard wrote: > > > On 9/29/20 9:35 AM, Jason Gunthorpe wrote: > > > > On Mon, Sep 28, 2020 at 01:10:24PM -0700, John Hubbard wrote: > > > > > On 9/28/20 5:57 AM, Jason Gunthorpe wrote: > > > > > > On Sun, Sep 27, 2020 at 11:21:53PM -0700, John Hubbard wrote: > ... > > > I don't see any "gcc -m" type of dependency generation pass happening > > > in this relatively simple Make system. > > > > It happens with -MD, all the deps are stored in files like mm/.init-mm.o.cmd > > and sucked into the build. > > You are thinking of kbuild. This is not kbuild. There are no such artifacts > being generated. Oh. Really? That's horrible. Jason