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GET /api/patches/2195835/?format=api
{ "id": 2195835, "url": "http://patchwork.ozlabs.org/api/patches/2195835/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260212062522.99565-13-anisinha@redhat.com/", "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": "<20260212062522.99565-13-anisinha@redhat.com>", "list_archive_url": null, "date": "2026-02-12T06:24:56", "name": "[v4,12/31] kvm/i386: reload firmware for confidential guest reset", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "202aa83f0fcb500f52f52bb2cae0797829341a58", "submitter": { "id": 86030, "url": "http://patchwork.ozlabs.org/api/people/86030/?format=api", "name": "Ani Sinha", "email": "anisinha@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260212062522.99565-13-anisinha@redhat.com/mbox/", "series": [ { "id": 491935, "url": "http://patchwork.ozlabs.org/api/series/491935/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491935", "date": "2026-02-12T06:24:45", "name": "Introduce support for confidential guest reset (x86)", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/491935/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195835/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195835/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 (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=bt75U2Cw;\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=V7n82+V4;\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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This is because, the memory into\nwhich the firmware was loaded before reset was encrypted and is thus lost\nupon reset. When IGVM is used, it is expected that the IGVM will contain the\nguest firmware and the execution of the IGVM directives will set up the guest\nfirmware memory.\n\nSigned-off-by: Ani Sinha <anisinha@redhat.com>\n---\n target/i386/kvm/kvm.c | 9 ++++++++-\n 1 file changed, 8 insertions(+), 1 deletion(-)", "diff": "diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c\nindex e82a6e9eda..eec2f27a0f 100644\n--- a/target/i386/kvm/kvm.c\n+++ b/target/i386/kvm/kvm.c\n@@ -3281,7 +3281,14 @@ int kvm_arch_on_vmfd_change(MachineState *ms, KVMState *s)\n \n if (object_dynamic_cast(OBJECT(ms), TYPE_X86_MACHINE)) {\n X86MachineState *x86ms = X86_MACHINE(ms);\n-\n+ /*\n+ * For confidential guests, reload bios ROM if IGVM is not specified.\n+ * If an IGVM file is specified then the firmware must be provided\n+ * in the IGVM file.\n+ */\n+ if (ms->cgs && !x86ms->igvm) {\n+ x86_bios_rom_reload(x86ms);\n+ }\n if (x86_machine_is_smm_enabled(x86ms)) {\n memory_listener_register(&smram_listener.listener,\n &smram_address_space);\n", "prefixes": [ "v4", "12/31" ] }