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[209.85.220.65]) by mx.google.com with SMTPS id c11sor238856vsm.92.2019.03.02.01.09.35 for (Google Transport Security); Sat, 02 Mar 2019 01:09:35 -0800 (PST) Received-SPF: pass (google.com: domain of oded.gabbay@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=UymSpHNb; spf=pass (google.com: domain of oded.gabbay@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=oded.gabbay@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=TdnqsYEwFkekuAoIbjErUBUwN3GEOZjaBaeYzmU0Ftk=; b=UymSpHNbGrJuu88ht9aICe2gEfCwOWaC66aoqeiDH2TNb5S56gZGDaB4Y+IEuWsp4b JmvRmd4SOc4QjfQiGad/XmvEVLeUebhmwuUwzX/x64UriHkF4e5u5Z+9wVQgiu11oXu3 IINQRWLZUQvgFYvZpA8NxLJalr78wys/vQO1xj0xwqDPlKZJW0SGDKXwzy5tTfYSZSP/ 0Dzxccj+8nr0z/WLZ7BO/Q979so8BiaaHiywXlL16oRopHxKMEGy/5thAwvPckaa4a3K s/azx2tI04BFZiuBfU0M0hd/kavLhwUR1+Kec5ToY5cxVgu3MbxmwdJLQE3IB85ukNAW zvJg== X-Google-Smtp-Source: APXvYqzMMptaRGIYU9ZdfjNXTWCjyxlc79Ck5jh7HvXYXiVAazOLibAn/X7JlLUnHboGTP9th2UyBFgah/hkFpFxK2U= X-Received: by 2002:a67:6849:: with SMTP id d70mr4937990vsc.61.1551517775106; Sat, 02 Mar 2019 01:09:35 -0800 (PST) MIME-Version: 1.0 References: <201903020948.mXKq6Z2s%fengguang.wu@intel.com> In-Reply-To: <201903020948.mXKq6Z2s%fengguang.wu@intel.com> From: Oded Gabbay Date: Sat, 2 Mar 2019 11:09:09 +0200 Message-ID: Subject: Re: [rgushchin:release_percpu 321/401] ERROR: "dma_fence_release" [drivers/misc/habanalabs/habanalabs.ko] undefined! To: Roman Gushchin , Andrew Morton Cc: Linux Memory Management List , Johannes Weiner Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, Mar 2, 2019 at 3:42 AM kbuild test robot wrote: > > Hi Andrew, > > First bad commit (maybe != root cause): > > tree: https://github.com/rgushchin/linux.git release_percpu > head: 8b287c57af99a4642cdf70b3b1a5ab1d90877bba > commit: 773ae09cc9c61b8f7dc983e9a1d4ce5abbd6339d [321/401] linux-next-rejects > config: x86_64-randconfig-m3-02280836 (attached as .config) > compiler: gcc-7 (Debian 7.4.0-5) 7.4.0 > reproduce: > git checkout 773ae09cc9c61b8f7dc983e9a1d4ce5abbd6339d > # save the attached .config to linux build tree > make ARCH=x86_64 > > All errors (new ones prefixed by >>): > > >> ERROR: "dma_fence_release" [drivers/misc/habanalabs/habanalabs.ko] undefined! > >> ERROR: "dma_fence_init" [drivers/misc/habanalabs/habanalabs.ko] undefined! > >> ERROR: "dma_fence_signal" [drivers/misc/habanalabs/habanalabs.ko] undefined! > >> ERROR: "dma_fence_default_wait" [drivers/misc/habanalabs/habanalabs.ko] undefined! > >> ERROR: "dma_fence_wait_timeout" [drivers/misc/habanalabs/habanalabs.ko] undefined! > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation Hi Roman and Andrew. That error comes from the original patch-set of the driver, where a there was missing "select DMA_SHARED_BUFFER" in Kconfig. So for certain configurations, the build would fail. This is already fixed in the current char-misc-next tree of gkh. Thanks, Oded