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GET /api/patches/2196589/?format=api
{ "id": 2196589, "url": "http://patchwork.ozlabs.org/api/patches/2196589/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260215112543.4817-2-mohamed@unpredictable.fr/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260215112543.4817-2-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-02-15T11:25:30", "name": "[v10,01/14] Revert \"target/arm/hvf: Sync CNTV_CTL_EL0 & CNTV_CVAL_EL0\"", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "450df15a83ae6e6fb773d1a72eafeae4c8733f7d", "submitter": { "id": 91318, "url": "http://patchwork.ozlabs.org/api/people/91318/?format=api", "name": "Mohamed Mediouni", "email": "mohamed@unpredictable.fr" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260215112543.4817-2-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 492211, "url": "http://patchwork.ozlabs.org/api/series/492211/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492211", "date": "2026-02-15T11:25:32", "name": "HVF: Add support for platform vGIC and nested virtualisation", "version": 10, "mbox": "http://patchwork.ozlabs.org/series/492211/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196589/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196589/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=unpredictable.fr header.i=@unpredictable.fr\n header.a=rsa-sha256 header.s=sig1 header.b=YaVb8fVn;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Sun, 15 Feb 2026 06:26:03 -0500", "from outbound.mr.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-west-2a-100-percent-0 (Postfix) with ESMTPS id\n CB77518002AA; Sun, 15 Feb 2026 11:25:50 +0000 (UTC)", "from localhost.localdomain (unknown [17.57.152.38])\n by p00-icloudmta-asmtp-us-west-2a-100-percent-0 (Postfix) with ESMTPSA id\n 4DDCD1800182; Sun, 15 Feb 2026 11:25:48 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1771154752; x=1773746752;\n bh=LNAPTfF7M/Fywq5jfntu3irQBz3B7IN3ccj1ShQyhHU=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=YaVb8fVn01LoZYI+JFLxM4sIbkKydYXzXW+DbZoCvXhHfWH6MlM8sVCXW5wme9IqrTwRtqxivizmxipfR46aCfAKD803i/fbSesFcc6dz/aco3DYOBLl0HZNmUAA/4jxld4cBEqwMWUy2vSk6jTDbfIXgOf/guLT5V2/ebUMTLhYDn/zOgNFLBvd6Enx++PvdyEJNsRH543o3htGM4vAqcL5u977GCpW7w+CbmrD3I7v58YHuZItArXFIt22HHadphbt3gtWop3/+tH6NirSM+c0CVaUtK2jv08pEPzHQz5qKt2joDeGo4LCXL9z6eGhDlDZSTNIQefG9RoGmrLw4w==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "qemu-arm@nongnu.org, Peter Maydell <peter.maydell@linaro.org>,\n Mads Ynddal <mads@ynddal.dk>, Roman Bolshakov <rbolshakov@ddn.com>,\n Phil Dennis-Jordan <phil@philjordan.eu>, Alexander Graf <agraf@csgraf.de>,\n Paolo Bonzini <pbonzini@redhat.com>, Cameron Esfahani <dirty@apple.com>,\n Mohamed Mediouni <mohamed@unpredictable.fr>", "Subject": "[PATCH v10 01/14] Revert \"target/arm/hvf: Sync CNTV_CTL_EL0 &\n CNTV_CVAL_EL0\"", "Date": "Sun, 15 Feb 2026 12:25:30 +0100", "Message-ID": "<20260215112543.4817-2-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260215112543.4817-1-mohamed@unpredictable.fr>", "References": "<20260215112543.4817-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-GUID": "8GTDjZoNPHYXUzvNmaSEmQBfNEMPaIks", "X-Authority-Info-Out": "v=2.4 cv=d/H4CBjE c=1 sm=1 tr=0 ts=6991ad3f\n cx=c_apl:c_apl_out:c_pps a=9OgfyREA4BUYbbCgc0Y0oA==:117\n a=9OgfyREA4BUYbbCgc0Y0oA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22\n a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=BQ3R4gsLSxvXhAEoYIEA:9", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMjE1MDA5MiBTYWx0ZWRfX4kv3HkZ8V3Cr\n raIZ49EVQdIQ8uhFWTOH8PlWg290ubH70/H6326JpEgn2AngxhX8bdtBojAmV05RO/Dql+vUYIy\n kpaZggBpyQs0Xflibi9r24z2Abtv03+PfaEdIJhwTEkqfWJ/9/gvzQxh06IIuUchCcNritoAgx4\n IW/btspuPLUlYrRyA+AViqRFM5mPXjNWi5RhSzc1gFEllQCLsqBCHyFu9TXsnBloOPYFZiWwdm8\n 6vP90ydhAtOCktgvgjBqzHBlgAv54cIEGS/Ke3HIeB2Ic+pIcrLS4XRCBsmZee4Ity8g/N6DQ+D\n h5lsKKGIBQVrV2pcxdeH6Q1FYCRyxQsCyysEqTfhhb3YeGVYf63oMzxutdE3nY=", "X-Proofpoint-ORIG-GUID": "8GTDjZoNPHYXUzvNmaSEmQBfNEMPaIks", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-02-15_04,2026-02-13_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0 adultscore=0\n suspectscore=0 mlxscore=0 phishscore=0 malwarescore=0 bulkscore=0\n clxscore=1030 spamscore=0 lowpriorityscore=0 mlxlogscore=416 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2602150092", "X-JNJ": "\n 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", "Received-SPF": "pass client-ip=57.103.68.23;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.mr.icloud.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001,\n SPF_PASS=-0.001 autolearn=unavailable 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "This reverts commit bfbea371ef2cabc47effac5a286e2644d727a8d6.\n\nThis commit breaks VM save/restore:\n\nAssertion failed: (b), function hvf_arch_get_registers, file hvf.c, line 667.\nzsh: abort ./qemu-system-aarch64 -m 8192 -M virt,accel=hvf -cdrom -device virtio-gpu\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/arm/hvf/hvf.c | 25 -------------------------\n 1 file changed, 25 deletions(-)", "diff": "diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c\nindex 1b19d9713e..d79469ca27 100644\n--- a/target/arm/hvf/hvf.c\n+++ b/target/arm/hvf/hvf.c\n@@ -200,9 +200,6 @@ void hvf_arm_init_debug(void)\n #define SYSREG_PMCEID0_EL0 SYSREG(3, 3, 9, 12, 6)\n #define SYSREG_PMCEID1_EL0 SYSREG(3, 3, 9, 12, 7)\n #define SYSREG_PMCCNTR_EL0 SYSREG(3, 3, 9, 13, 0)\n-\n-#define SYSREG_CNTV_CTL_EL0 SYSREG(3, 3, 14, 3, 1)\n-#define SYSREG_CNTV_CVAL_EL0 SYSREG(3, 3, 14, 3, 2)\n #define SYSREG_PMCCFILTR_EL0 SYSREG(3, 3, 14, 15, 7)\n \n #define SYSREG_ICC_AP0R0_EL1 SYSREG(3, 0, 12, 8, 4)\n@@ -505,7 +502,6 @@ int hvf_arch_get_registers(CPUState *cpu)\n uint64_t val;\n hv_simd_fp_uchar16_t fpval;\n int i, n;\n- bool b;\n \n for (i = 0; i < ARRAY_SIZE(hvf_reg_match); i++) {\n ret = hv_vcpu_get_reg(cpu->accel->fd, hvf_reg_match[i].reg, &val);\n@@ -635,16 +631,6 @@ int hvf_arch_get_registers(CPUState *cpu)\n \n aarch64_restore_sp(env, arm_current_el(env));\n \n- ret = hv_vcpu_get_sys_reg(cpu->accel->fd, HV_SYS_REG_CNTV_CVAL_EL0, &val);\n- assert_hvf_ok(ret);\n- b = hvf_sysreg_write_cp(cpu, \"VTimer\", SYSREG_CNTV_CVAL_EL0, val);\n- assert(b);\n-\n- ret = hv_vcpu_get_sys_reg(cpu->accel->fd, HV_SYS_REG_CNTV_CTL_EL0, &val);\n- assert_hvf_ok(ret);\n- b = hvf_sysreg_write_cp(cpu, \"VTimer\", SYSREG_CNTV_CTL_EL0, val);\n- assert(b);\n-\n return 0;\n }\n \n@@ -656,7 +642,6 @@ int hvf_arch_put_registers(CPUState *cpu)\n uint64_t val;\n hv_simd_fp_uchar16_t fpval;\n int i, n;\n- bool b;\n \n for (i = 0; i < ARRAY_SIZE(hvf_reg_match); i++) {\n val = *(uint64_t *)((void *)env + hvf_reg_match[i].offset);\n@@ -771,16 +756,6 @@ int hvf_arch_put_registers(CPUState *cpu)\n ret = hv_vcpu_set_vtimer_offset(cpu->accel->fd, hvf_state->vtimer_offset);\n assert_hvf_ok(ret);\n \n- b = hvf_sysreg_read_cp(cpu, \"VTimer\", SYSREG_CNTV_CVAL_EL0, &val);\n- assert(b);\n- ret = hv_vcpu_set_sys_reg(cpu->accel->fd, HV_SYS_REG_CNTV_CVAL_EL0, val);\n- assert_hvf_ok(ret);\n-\n- b = hvf_sysreg_read_cp(cpu, \"VTimer\", SYSREG_CNTV_CTL_EL0, &val);\n- assert(b);\n- ret = hv_vcpu_set_sys_reg(cpu->accel->fd, HV_SYS_REG_CNTV_CTL_EL0, val);\n- assert_hvf_ok(ret);\n-\n return 0;\n }\n \n", "prefixes": [ "v10", "01/14" ] }