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Iglesias" , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Bastian Blank Subject: [PATCH v2 1/2] hw/xen/interface: Remove pre-C99 checks Date: Mon, 15 Jun 2026 11:13:07 +0200 Message-ID: <20260615091308.4458-2-philmd@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260615091308.4458-1-philmd@oss.qualcomm.com> References: <20260615091308.4458-1-philmd@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE1MDA5NiBTYWx0ZWRfXyVpz9+2WwDd1 u1WSgZZgIfX15FQtbaODvDYtFVqxzN6QiYPeIz+0jfgPctR4uPFctb9m+JO6hT3sCxCVBpUsI3l +pTUJPnqPxaVI6ddsrH5DwiU/dTl3ldthpl8OWRmUd02Q3n8pRWydqQorommnpHego6CRz1UJhd h4Fb5obUUa1qAkXu8vqORbZ7R945d8Kl+6E8IENwfvAE4teiW9N8TMwKcZ2V+Hr+Ev+dPpfoBry HkOUmhLEGGtL7rOm/yfsAP6+Wzw+gO1UEcGZxgNjB366hwnT6TMvNN96Uxl6aO+A99FyO+VyI23 DUQOx7D0YfTblHZJvEDiB7TTzS132kwQ3X+6n/fQqCysnILH65C+hb2kj0K/OjTsCmmxwc3d91S 1/unUUJiAhfAlwSmQJMCrb8oyoN39dpSbBAaCR0DS26jLznu+Qrqwrh+JFHe0bkg6JxtrVUdAwp vFWIVppjk9dbgpSjFXg== X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE1MDA5NiBTYWx0ZWRfX1IX8Acq+qvhB 10rnhDGVy993bWtCNRhDpFoNiJxI1aPr0u96IemVmH2lhKaI6P8L341siTqMEy6/nF/Cw6aMri7 kTtXdGZT+4bh2slMCMY8gN60acvS6I0= X-Proofpoint-GUID: OimOLEOFxz0N9wmBqxeP4kno4pEKkmND X-Proofpoint-ORIG-GUID: OimOLEOFxz0N9wmBqxeP4kno4pEKkmND X-Authority-Analysis: v=2.4 cv=ULvt2ify c=1 sm=1 tr=0 ts=6a2fc22f cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==: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=eoimf2acIAo5FJnRuUoq:22 a=mDV3o1hIAAAA:8 a=EUspDBNiAAAA:8 a=vkG9KRslzty0At4LJNIA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 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=2026-06-15_02,2026-06-12_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 phishscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 malwarescore=0 adultscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606150096 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=205.220.168.131; envelope-from=philmd@oss.qualcomm.com; helo=mx0a-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: 1781514840318158500 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. [*] https://www.gnu.org/software/c-intro-and-ref/manual/html_node/Flexible-= Array-Fields.html Cc: Bastian Blank 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..ca2bcbfd159 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[]; }; 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..2f183c3efd4 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[]; /* 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__) ? __STDC_VERSION__ >=3D 199901L : defined(__= GNUC__) #define XEN_DEFINE_UUID(a, b, c, d, e1, e2, e3, e4, e5, e6) \ ((xen_uuid_t)XEN_DEFINE_UUID_(a, b, c, d, e1, e2, e3, e4, e5, e6)) -#else -#define XEN_DEFINE_UUID(a, b, c, d, e1, e2, e3, e4, e5, e6) \ - XEN_DEFINE_UUID_(a, b, c, d, e1, e2, e3, e4, e5, e6) -#endif /* __STDC_VERSION__ / __GNUC__ */ =20 #endif /* !__ASSEMBLY__ */ =20 --=20 2.53.0 From nobody Thu Jul 23 22:26:18 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=reject dis=none) header.from=oss.qualcomm.com ARC-Seal: i=1; a=rsa-sha256; t=1781514827; cv=none; d=zohomail.com; s=zohoarc; b=ZWGCRMZQAumsrTOXDBNsXfEM405gTqztGLRFzuvPfV72qMHQdoO7NB+BXvySOZnMRFwanJxnvMvIzkgUw0YXOagp01v4oiSfmiUqY1l/Fwpk/9Alwh70kGbMvsirCXTCVA8ff2oon4QarFL4+ej8hESO/TqypEzK0SGH3U+DXak= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1781514827; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=MF2aozQ8nBaPhoD/R1S5ChTpTVtPNvgch2k7hu45wMU=; b=hOP9YyP9ak/ByBu3lxIPeNvVZJ0AIUk4VBP6P4lj4UEOVAYtb3jwLR+G6GxyP8lf6t/XNS3Gs/gSWl5Er2Zj0h4ET0m4mNH2JSB1Q+LAz3vrqOMLZSX6/L07UTxwQxjaQFbwtrVBfvjBjCNWHGBaT4UxlKXSoBvex7S7npcyF2M= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1781514826992786.0818104750751; Mon, 15 Jun 2026 02:13:46 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1338070.1599098 (Exim 4.92) (envelope-from ) id 1wZ3Nq-0005IH-Sk; Mon, 15 Jun 2026 09:13:30 +0000 Received: by outflank-mailman (output) from mailman id 1338070.1599098; Mon, 15 Jun 2026 09:13:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1wZ3Nq-0005I8-Pg; Mon, 15 Jun 2026 09:13:30 +0000 Received: by outflank-mailman (input) for mailman id 1338070; Mon, 15 Jun 2026 09:13:29 +0000 Received: from mx.expurgate.net ([195.190.135.10]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1wZ3No-0005GT-S0 for xen-devel@lists.xenproject.org; Mon, 15 Jun 2026 09:13:28 +0000 Received: from mx.expurgate.net (helo=localhost) by mx.expurgate.net with esmtp id 1wZ3No-005TNK-8c for xen-devel@lists.xenproject.org; Mon, 15 Jun 2026 11:13:28 +0200 Received: from [10.42.69.8] (helo=localhost) by localhost with ESMTP (eXpurgate MTA 0.9.1) (envelope-from ) id 6a2fc235-2eae-0a2a0a5409dd-0a2a4508c45c-18 for ; Mon, 15 Jun 2026 11:13:28 +0200 Received: from [205.220.180.131] (helo=mx0b-0031df01.pphosted.com) by tlsNG-c1860d.mxtls.expurgate.net with ESMTPS (eXpurgate 4.56.1) (envelope-from ) id 6a2fc236-63b5-0a2a45080019-cddcb483c3c2-3 for ; Mon, 15 Jun 2026 11:13:28 +0200 Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 65F99Brk035442 for ; Mon, 15 Jun 2026 09:13:26 GMT Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4etegur0ma-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 15 Jun 2026 09:13:26 +0000 (GMT) Received: by mail-qk1-f199.google.com with SMTP id af79cd13be357-9181f3cc5ecso342214285a.1 for ; Mon, 15 Jun 2026 02:13:26 -0700 (PDT) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. 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Iglesias" , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Markus Armbruster Subject: [PATCH v2 2/2] qom/object: Remove pre-C11 check Date: Mon, 15 Jun 2026 11:13:08 +0200 Message-ID: <20260615091308.4458-3-philmd@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260615091308.4458-1-philmd@oss.qualcomm.com> References: <20260615091308.4458-1-philmd@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE1MDA5NiBTYWx0ZWRfXyOx5VSi6UrkB /xFQFQiZASvi1SwE8UkH/zQfhhV8tQNF3cPTSWHrZ/9dc5orweL+Po4wW8hsduCzRg3HK1aq+2J KWjygEPwBlT/ixO9qMZiy2njjbDTPe+kmhhmMP774Go8ILJQzrTMXJNjrlB/aGcXCTh/FVxUaC2 x9LHdhYyeO/tzlxxXhgb7rbmgwmhOV4jd09HzcrshgOWRkTJXbZjX64OJhvj2n4jyKxJYd3lnLI nHl6KOVcyQV6Y7t8w6eWevL8r68UNMzBvPnkcmU67Ilrz+fOPwSaK/7iqh12QhGOYySh5UXBe0j Gi0QW+8Qu55TTSCUjIq2Rr/Ys/B6E148UOOdgk6XQhEeX23DXo/PS+AWQvdas0g9HMOUG2ZbDMa RaMfmkLYVDCU75i30OENDVhimPigt9jFSp22HEHYTbMRpcLE22aE94vonBWCju4/NT5TgEPOczw msJzwBiLXjgPzm7+Y3A== X-Proofpoint-ORIG-GUID: G0HeaHXiKjZtYVECWpWEtRjdFWkuUjOb X-Authority-Analysis: v=2.4 cv=HMvz0Itv c=1 sm=1 tr=0 ts=6a2fc236 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=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=20KFwNOVAAAA:8 a=_WKHBmQO-qgaVRkQabEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE1MDA5NiBTYWx0ZWRfX1VJKcirxZJVn oVkzV7woQPtcB28SWfJLJfInqqfU/s2IkcCn4tkEN1aSR+Cbmt6RtFJnwANK++HS5quZyFDv9Yt Ys5k0X6lSMTyt3ndwbuYpqqjfwWPxKE= X-Proofpoint-GUID: G0HeaHXiKjZtYVECWpWEtRjdFWkuUjOb 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=2026-06-15_02,2026-06-12_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 clxscore=1015 spamscore=0 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606150096 X-purgate-ID: tlsNG-c1860d/1781514808-B7D7BDB1-7697760A/0/0 X-purgate-type: clean X-purgate-size: 1438 X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1781514828410158500 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. Note, C11 provides aligned_alloc(). Using it is left as a future cleanup step. 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