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[79.176.51.222]) by smtp.gmail.com with ESMTPSA id n1sm13731659wrw.52.2020.04.06.06.02.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2020 06:02:05 -0700 (PDT) Date: Mon, 6 Apr 2020 09:02:02 -0400 From: "Michael S. Tsirkin" To: Arnd Bergmann Subject: Re: [PATCH v2 2/2] vhost: disable for OABI Message-ID: <20200406085707-mutt-send-email-mst@kernel.org> References: <20200406121233.109889-1-mst@redhat.com> <20200406121233.109889-3-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200406_060213_571189_D48BA57D X-CRM114-Status: GOOD ( 12.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Earnshaw , "kbuild-all@lists.01.org" , kbuild test robot , kvm list , "christophe.lyon@st.com" , Greg Kroah-Hartman , Jason Wang , "richard.henderson@linaro.org" , "linux-kernel@vger.kernel.org" , Sudeep Dutt , Ashutosh Dixit , "daniel.santos@pobox.com" , Russell King , "David S. Miller" , Networking , virtualization@lists.linux-foundation.org, Ard Biesheuvel , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Apr 06, 2020 at 02:50:32PM +0200, Arnd Bergmann wrote: > On Mon, Apr 6, 2020 at 2:12 PM Michael S. Tsirkin wrote: > > > > > +config VHOST_DPN > > + bool "VHOST dependencies" > > + depends on !ARM || AEABI > > + default y > > + help > > + Anything selecting VHOST or VHOST_RING must depend on VHOST_DPN. > > + This excludes the deprecated ARM ABI since that forces a 4 byte > > + alignment on all structs - incompatible with virtio spec requirements. > > + > > This should not be a user-visible option, so just make this 'def_bool > !ARM || AEABI' > > Arnd I like keeping some kind of hint around for when one tries to understand why is a specific symbol visible. -- MST _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel