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[79.179.71.128]) by smtp.gmail.com with ESMTPSA id e13sm4772905wre.60.2020.09.28.23.10.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Sep 2020 23:10:56 -0700 (PDT) Date: Tue, 29 Sep 2020 02:10:53 -0400 From: "Michael S. Tsirkin" To: Eli Cohen Cc: Leon Romanovsky , Randy Dunlap , virtualization@lists.linux-foundation.org, LKML , "netdev@vger.kernel.org" , Jason Wang , Saeed Mahameed Subject: Re: [PATCH v3 -next] vdpa: mlx5: change Kconfig depends to fix build errors Message-ID: <20200929021030-mutt-send-email-mst@kernel.org> References: <73f7e48b-8d16-6b20-07d3-41dee0e3d3bd@infradead.org> <20200918082245.GP869610@unreal> <20200924052932-mutt-send-email-mst@kernel.org> <20200924102413.GD170403@mtl-vdi-166.wap.labs.mlnx> <20200925061959-mutt-send-email-mst@kernel.org> <20200929060142.GA120395@mtl-vdi-166.wap.labs.mlnx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200929060142.GA120395@mtl-vdi-166.wap.labs.mlnx> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 29, 2020 at 09:01:42AM +0300, Eli Cohen wrote: > On Fri, Sep 25, 2020 at 06:20:45AM -0400, Michael S. Tsirkin wrote: > > > > > > > > Hmm other drivers select VHOST_IOTLB, why not do the same? > > > > > > I can't see another driver doing that. > > > > Well grep VHOST_IOTLB and you will see some examples. > > $ git grep -wn VHOST_IOTLB > drivers/vhost/Kconfig:2:config VHOST_IOTLB > drivers/vhost/Kconfig:11: select VHOST_IOTLB > drivers/vhost/Kconfig:18: select VHOST_IOTLB > > What am I missing here? Nothing, there's a select here as expected. > > > Perhaps I can set dependency on > > > VHOST which by itself depends on VHOST_IOTLB? > > > > VHOST is processing virtio in the kernel. You don't really need that > > for mlx, do you? > > > > > > > > > > > > > > > > help > > > > > > Support library for Mellanox VDPA drivers. Provides code that is > > > > > > > > > > > >