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GET /api/1.0/patches/2197706/?format=api
{ "id": 2197706, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2197706/?format=api", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.0/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": "" }, "msgid": "<20260218114233.266178-16-anisinha@redhat.com>", "date": "2026-02-18T11:42:08", "name": "[v5,15/34] i386/tdx: refactor TDX firmware memory initialization code into a new function", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "217a6e0c47d57a55f17e811feb40c99844a5b313", "submitter": { "id": 86030, "url": "http://patchwork.ozlabs.org/api/1.0/people/86030/?format=api", "name": "Ani Sinha", "email": "anisinha@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260218114233.266178-16-anisinha@redhat.com/mbox/", "series": [ { "id": 492541, "url": "http://patchwork.ozlabs.org/api/1.0/series/492541/?format=api", "date": "2026-02-18T11:41:56", "name": "Introduce support for confidential guest reset (x86)", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/492541/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197706/checks/", "tags": {}, "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 (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=jBqEkMFf;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=google header.b=rDKSbxf4;\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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No functional change.\n\nSigned-off-by: Ani Sinha <anisinha@redhat.com>\n---\n target/i386/kvm/tdx.c | 73 ++++++++++++++++++++++++-------------------\n 1 file changed, 40 insertions(+), 33 deletions(-)", "diff": "diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c\nindex a3e81e1c0c..fd8e3de969 100644\n--- a/target/i386/kvm/tdx.c\n+++ b/target/i386/kvm/tdx.c\n@@ -295,14 +295,51 @@ static void tdx_post_init_vcpus(void)\n }\n }\n \n-static void tdx_finalize_vm(Notifier *notifier, void *unused)\n+static void tdx_init_fw_mem_region(void)\n {\n TdxFirmware *tdvf = &tdx_guest->tdvf;\n TdxFirmwareEntry *entry;\n- RAMBlock *ram_block;\n Error *local_err = NULL;\n int r;\n \n+ for_each_tdx_fw_entry(tdvf, entry) {\n+ struct kvm_tdx_init_mem_region region;\n+ uint32_t flags;\n+\n+ region = (struct kvm_tdx_init_mem_region) {\n+ .source_addr = (uintptr_t)entry->mem_ptr,\n+ .gpa = entry->address,\n+ .nr_pages = entry->size >> 12,\n+ };\n+\n+ flags = entry->attributes & TDVF_SECTION_ATTRIBUTES_MR_EXTEND ?\n+ KVM_TDX_MEASURE_MEMORY_REGION : 0;\n+\n+ do {\n+ error_free(local_err);\n+ local_err = NULL;\n+ r = tdx_vcpu_ioctl(first_cpu, KVM_TDX_INIT_MEM_REGION, flags,\n+ ®ion, &local_err);\n+ } while (r == -EAGAIN || r == -EINTR);\n+ if (r < 0) {\n+ error_report_err(local_err);\n+ exit(1);\n+ }\n+\n+ if (entry->type == TDVF_SECTION_TYPE_TD_HOB ||\n+ entry->type == TDVF_SECTION_TYPE_TEMP_MEM) {\n+ qemu_ram_munmap(-1, entry->mem_ptr, entry->size);\n+ entry->mem_ptr = NULL;\n+ }\n+ }\n+}\n+\n+static void tdx_finalize_vm(Notifier *notifier, void *unused)\n+{\n+ TdxFirmware *tdvf = &tdx_guest->tdvf;\n+ TdxFirmwareEntry *entry;\n+ RAMBlock *ram_block;\n+\n tdx_init_ram_entries();\n \n for_each_tdx_fw_entry(tdvf, entry) {\n@@ -339,37 +376,7 @@ static void tdx_finalize_vm(Notifier *notifier, void *unused)\n tdvf_hob_create(tdx_guest, tdx_get_hob_entry(tdx_guest));\n \n tdx_post_init_vcpus();\n-\n- for_each_tdx_fw_entry(tdvf, entry) {\n- struct kvm_tdx_init_mem_region region;\n- uint32_t flags;\n-\n- region = (struct kvm_tdx_init_mem_region) {\n- .source_addr = (uintptr_t)entry->mem_ptr,\n- .gpa = entry->address,\n- .nr_pages = entry->size >> 12,\n- };\n-\n- flags = entry->attributes & TDVF_SECTION_ATTRIBUTES_MR_EXTEND ?\n- KVM_TDX_MEASURE_MEMORY_REGION : 0;\n-\n- do {\n- error_free(local_err);\n- local_err = NULL;\n- r = tdx_vcpu_ioctl(first_cpu, KVM_TDX_INIT_MEM_REGION, flags,\n- ®ion, &local_err);\n- } while (r == -EAGAIN || r == -EINTR);\n- if (r < 0) {\n- error_report_err(local_err);\n- exit(1);\n- }\n-\n- if (entry->type == TDVF_SECTION_TYPE_TD_HOB ||\n- entry->type == TDVF_SECTION_TYPE_TEMP_MEM) {\n- qemu_ram_munmap(-1, entry->mem_ptr, entry->size);\n- entry->mem_ptr = NULL;\n- }\n- }\n+ tdx_init_fw_mem_region();\n \n /*\n * TDVF image has been copied into private region above via\n", "prefixes": [ "v5", "15/34" ] }