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Iglesias" , xen-devel@lists.xenproject.org, =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Anthony PERARD , Paolo Bonzini , Stefano Stabellini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 1/2] hw/xen/interface: Remove pre-C99 checks Date: Sat, 13 Jun 2026 19:51:50 +0200 Message-ID: <20260613175151.1357-2-philmd@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260613175151.1357-1-philmd@oss.qualcomm.com> References: <20260613175151.1357-1-philmd@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: TWquQK97HF8rLafqcJku5dNKUCJJcJZ2 X-Proofpoint-GUID: TWquQK97HF8rLafqcJku5dNKUCJJcJZ2 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjEzMDE4NiBTYWx0ZWRfXxebcKBUVZlLK fxMpEw+8Le/kiAMFSR0t/jLkYSnBKEHKzBxbzSwixs0G2jJwj4vGts4pzYoi0w0eTxr5E8VnAth r5F4D8PAUd4iHtujIOvblk+KsNgn598= X-Authority-Analysis: v=2.4 cv=IqAutr/g c=1 sm=1 tr=0 ts=6a2d98c1 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=vkG9KRslzty0At4LJNIA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjEzMDE4NiBTYWx0ZWRfX4Vo0koqq3njL BVN54OZJMnoBjjUQfiBb0zxB36UER6iOsGfbeawZP5vLy8shAp9CQ3xZfWSy7RU20KEZHKuLWMQ TrJQjgTIB9T078+BV3jEBvmDw1UkHV6XhN7YNIC9c9ZaKvExxpxR0dkO1PgfuhjIRNwquU/kkBl 8uTOX212rjMqY/5UQTtu2ySEcSAZCmGHTveKKhKe0zhkoF5CFRatCGuUjBZ3MxZj0SpGYKl9704 6sMrZnu40SCPYGlGTXgQg2SMm9PH6FqAv7eJYIYs5lN7bBQTEoqoja06gBH7UNscVV9d5lY2egX vvbFzjHqpU1fBzVg9/iKeYBYDPcJdonAdm8GHkMquKqhrqKjjLOlsajiWKLHYOxFJNoZZkWZs8Q PPT6vrp9f0ttXSZ1V3vF4Zts6rQS68T6qNY4mRvW9JalXX4oAbx5BC0Vn8ovXM1Qeypev4+P43F bYvBhUvSXNu2ksQTkFg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-13_03,2026-06-12_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 phishscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606130186 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=philmd@oss.qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1781373171478158500 We mandate a compiler supporting C99 since 2019-01-17 in commit 7be41675f7c ("configure: Force the C standard to gnu99"), thus supporting flexible array members. Remove what is now dead code. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/xen/interface/physdev.h | 2 +- include/hw/xen/interface/version.h | 5 ++--- include/hw/xen/interface/xen-compat.h | 2 -- include/hw/xen/interface/xen.h | 14 -------------- 4 files changed, 3 insertions(+), 20 deletions(-) diff --git a/include/hw/xen/interface/physdev.h b/include/hw/xen/interface/= physdev.h index f0c0d4727c0..8da03b685ad 100644 --- a/include/hw/xen/interface/physdev.h +++ b/include/hw/xen/interface/physdev.h @@ -283,7 +283,7 @@ struct physdev_pci_device_add { * First element ([0]) is PXM domain associated with the device (if * XEN_PCI_DEV_PXM is set) */ - uint32_t optarr[XEN_FLEX_ARRAY_DIM]; + uint32_t optarr[0]; }; typedef struct physdev_pci_device_add physdev_pci_device_add_t; DEFINE_XEN_GUEST_HANDLE(physdev_pci_device_add_t); diff --git a/include/hw/xen/interface/version.h b/include/hw/xen/interface/= version.h index 9c78b4f3b6a..41ff28c7ee5 100644 --- a/include/hw/xen/interface/version.h +++ b/include/hw/xen/interface/version.h @@ -77,9 +77,8 @@ typedef char xen_commandline_t[1024]; */ #define XENVER_build_id 10 struct xen_build_id { - uint32_t len; /* IN: size of buf[]. */ - unsigned char buf[XEN_FLEX_ARRAY_DIM]; - /* OUT: Variable length buffer with build_id.= */ + uint32_t len; /* IN: size of buf[]. */ + unsigned char buf[0]; /* OUT: Variable length buffer with build_= id. */ }; typedef struct xen_build_id xen_build_id_t; =20 diff --git a/include/hw/xen/interface/xen-compat.h b/include/hw/xen/interfa= ce/xen-compat.h index 97fe6984989..582c0182367 100644 --- a/include/hw/xen/interface/xen-compat.h +++ b/include/hw/xen/interface/xen-compat.h @@ -24,6 +24,4 @@ #error "These header files do not support the requested interface version." #endif =20 -#define COMPAT_FLEX_ARRAY_DIM XEN_FLEX_ARRAY_DIM - #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */ diff --git a/include/hw/xen/interface/xen.h b/include/hw/xen/interface/xen.h index 920567e0062..a6f4aa61993 100644 --- a/include/hw/xen/interface/xen.h +++ b/include/hw/xen/interface/xen.h @@ -36,15 +36,6 @@ DEFINE_XEN_GUEST_HANDLE(uint64_t); DEFINE_XEN_GUEST_HANDLE(xen_pfn_t); DEFINE_XEN_GUEST_HANDLE(xen_ulong_t); =20 -/* Define a variable length array (depends on compiler). */ -#if defined(__STDC_VERSION__) && __STDC_VERSION__ >=3D 199901L -#define XEN_FLEX_ARRAY_DIM -#elif defined(__GNUC__) -#define XEN_FLEX_ARRAY_DIM 0 -#else -#define XEN_FLEX_ARRAY_DIM 1 /* variable size */ -#endif - /* Turn a plain number into a C unsigned (long (long)) constant. */ #define __xen_mk_uint(x) x ## U #define __xen_mk_ulong(x) x ## UL @@ -986,13 +977,8 @@ typedef struct { ((d) >> 8) & 0xFF, ((d) >> 0) & 0xFF, \ e1, e2, e3, e4, e5, e6}} =20 -#if defined(__STDC_VERSION__) ? 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Iglesias" , xen-devel@lists.xenproject.org, =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Anthony PERARD , Paolo Bonzini , Stefano Stabellini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 2/2] qom/object: Remove pre-C11 check Date: Sat, 13 Jun 2026 19:51:51 +0200 Message-ID: <20260613175151.1357-3-philmd@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260613175151.1357-1-philmd@oss.qualcomm.com> References: <20260613175151.1357-1-philmd@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: M3h_Qs4LReN9kWIptDi485GPTwNHeniw X-Proofpoint-Spam-Info: AW1haW4tMjYwNjEzMDE4NiBTYWx0ZWRfX0XKPw/H9xNGX AQWzoJ/yD1oLlttQtbvf60eNONA2rIJBlld/gIl2GfzuTR52b7b0iRqLKZbxAYoomIeoc9UyGoO 3dyElQ7ofq7DMJ+H0zvA8lXJ6dQc6Ag= X-Proofpoint-GUID: M3h_Qs4LReN9kWIptDi485GPTwNHeniw X-Authority-Analysis: v=2.4 cv=EbP4hvmC c=1 sm=1 tr=0 ts=6a2d98c9 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=1Y-dVNoqs5V1GzGJ_nYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjEzMDE4NiBTYWx0ZWRfX7WhZV3+4vwnQ VC29MygCk7IDlLhEnN/o+UxAf4D5G2N8F/8ixib1iQ5XOitgkh4KuiSaT0XQQAyuZRmySDNwJxg o4eBFXGWGEgK6DevxyGw76IBCVCNPTic3bg7R9gmJwOsYv6jU0LW+gZiLG79+mhssTBZhtCHptS Tw3vYp//E0dztdynLUxwo7LKZQsttUdoEJbSeGD0uJMpAMUrnoI5t6J/tVo6ISIzZVqAaqStIo2 C6SA1xU1VFP9dWD309/6+YxqGwp577322Fkf/mfJRx7zg6O/jg0H1VJ+L6oyd5gwEVhxfw+f5kf iQBajI9F8YjJuDLUhleyR4zfIZJVSZT71uv0gIHqMVSvcvWxijWtVH277cukPyU2GgRjAstqk1B gllOSWOOuTWszIRVoYdLRMovRuF4QuYu4mez6yy+msh9pNssj/K0BJ6FcID0Cy1Ed3T8opMkCj9 VZEZLW+3LPv6g+/9Z0A== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-13_03,2026-06-12_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 malwarescore=0 suspectscore=0 spamscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606130186 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=philmd@oss.qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1781373171494158500 We mandate a compiler supporting C11 since 2021-06-15 in commit d22797ce36a ("configure: Use -std=3Dgnu11"), thus the max_align_t type definition exists. Remove what is now dead code. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Markus Armbruster --- qom/object.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/qom/object.c b/qom/object.c index 0ac201de4c1..f79b2cf3618 100644 --- a/qom/object.c +++ b/qom/object.c @@ -675,18 +675,6 @@ static void object_finalize(void *data) } } =20 -/* Find the minimum alignment guaranteed by the system malloc. */ -#if __STDC_VERSION__ >=3D 201112L -typedef max_align_t qemu_max_align_t; -#else -typedef union { - long l; - void *p; - double d; - long double ld; -} qemu_max_align_t; -#endif - static Object *object_new_with_type(Type type) { Object *obj; @@ -703,7 +691,7 @@ static Object *object_new_with_type(Type type) * Do not use qemu_memalign unless required. Depending on the * implementation, extra alignment implies extra overhead. */ - if (likely(align <=3D __alignof__(qemu_max_align_t))) { + if (likely(align <=3D __alignof__(max_align_t))) { obj =3D g_malloc(size); obj_free =3D g_free; } else { --=20 2.53.0