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d="scan'208";a="2627246" From: Anthony PERARD To: Date: Thu, 4 Jul 2019 16:36:05 +0100 Message-ID: <20190704153605.4140-1-anthony.perard@citrix.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] xen: Fix ring.h header X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Anthony PERARD , xen-devel@lists.xenproject.org, Stefano Stabellini , Markus Armbruster , Paul Durrant Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" The xen_[rw]?mb() macros defined in ring.h can't be used and the fact that there are gated behind __XEN_INTERFACE_VERSION__ means that it needs to be defined somewhere. QEMU doesn't implement interfaces with the Xen hypervisor so defining __XEN_INTERFACE_VERSION__ is pointless. This leads to: include/hw/xen/io/ring.h:47:5: error: "__XEN_INTERFACE_VERSION__" is not defined, evaluates to 0 [-Werror=3Dundef] Cleanup ring.h. The xen_*mb() macros are already defined in xenctrl.h which is included in xen_common.h. Reported-by: Markus Armbruster Signed-off-by: Anthony PERARD Reviewed-by: Markus Armbruster --- Notes: A similar patch have been sent to the canonical version: https://lists.xenproject.org/archives/html/xen-devel/2019-07/msg00370.h= tml include/hw/xen/interface/io/ring.h | 6 ------ 1 file changed, 6 deletions(-) diff --git a/include/hw/xen/interface/io/ring.h b/include/hw/xen/interface/= io/ring.h index 1adacf09f9..704990a2c9 100644 --- a/include/hw/xen/interface/io/ring.h +++ b/include/hw/xen/interface/io/ring.h @@ -42,12 +42,6 @@ * and grant_table.h from the Xen public headers. */ =20 -#if __XEN_INTERFACE_VERSION__ < 0x00030208 -#define xen_mb() mb() -#define xen_rmb() rmb() -#define xen_wmb() wmb() -#endif - typedef unsigned int RING_IDX; =20 /* Round a 32-bit unsigned constant down to the nearest power of two. */ --=20 Anthony PERARD _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel