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GET /api/patches/2216017/?format=api
{ "id": 2216017, "url": "http://patchwork.ozlabs.org/api/patches/2216017/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260325164453.72127-11-pbonzini@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": "<20260325164453.72127-11-pbonzini@redhat.com>", "list_archive_url": null, "date": "2026-03-25T16:44:44", "name": "[PULL,10/19] whpx: i386: add implementation of new x86_emul_ops", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ecfbb7fd18f6962939b9a999bee2bf8d2b281a6d", "submitter": { "id": 2701, "url": "http://patchwork.ozlabs.org/api/people/2701/?format=api", "name": "Paolo Bonzini", "email": "pbonzini@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260325164453.72127-11-pbonzini@redhat.com/mbox/", "series": [ { "id": 497473, "url": "http://patchwork.ozlabs.org/api/series/497473/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497473", "date": "2026-03-25T16:44:34", "name": "[PULL,01/19] tests/functional: preserve PYTHONPATH entries", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497473/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216017/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216017/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) 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K80+CmKLJFxEbalMTa7IZxkHgHedstjdglOM3vHVKIO3z34nJYb/NLPTYVeQwLOih3sb2Nt7Aga\n 9DgMkvMojqQx5pboDasjNH256r5EXBcpXaTfA/gSCG9F3pfTL2NL3HbfsMpFm7c5+6isj5tBJVD\n CIPEHXqho5uYEN9TE18qv5UfNY", "X-Received": [ "by 2002:a05:600c:1f86:b0:485:46fd:7887 with SMTP id\n 5b1f17b1804b1-48715fef87fmr66013445e9.13.1774457112842;\n Wed, 25 Mar 2026 09:45:12 -0700 (PDT)", "by 2002:a05:600c:1f86:b0:485:46fd:7887 with SMTP id\n 5b1f17b1804b1-48715fef87fmr66012985e9.13.1774457112316;\n Wed, 25 Mar 2026 09:45:12 -0700 (PDT)" ], "From": "Paolo Bonzini <pbonzini@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "Mohamed Mediouni <mohamed@unpredictable.fr>", "Subject": "[PULL 10/19] whpx: i386: add implementation of new x86_emul_ops", "Date": "Wed, 25 Mar 2026 17:44:44 +0100", "Message-ID": "<20260325164453.72127-11-pbonzini@redhat.com>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260325164453.72127-1-pbonzini@redhat.com>", "References": "<20260325164453.72127-1-pbonzini@redhat.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=170.10.133.124;\n envelope-from=pbonzini@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=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, 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 <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": "From: Mohamed Mediouni <mohamed@unpredictable.fr>\n\ntarget/i386/emulate now has new ops for fetching whether the guest is in\nprotected mode, long mode or user mode without fetching control\nregisters.\n\nUse those for faster vmexits.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\nLink: https://lore.kernel.org/r/20260324151323.74473-8-mohamed@unpredictable.fr\nSigned-off-by: Paolo Bonzini <pbonzini@redhat.com>\n---\n target/i386/whpx/whpx-all.c | 24 +++++++++++++++++++++++-\n 1 file changed, 23 insertions(+), 1 deletion(-)", "diff": "diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex 69d141e7cce..b97dc9fd514 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -885,10 +885,32 @@ static void read_segment_descriptor(CPUState *cpu,\n }\n }\n \n+static bool is_protected_mode(CPUState *cpu)\n+{\n+ AccelCPUState *vcpu = cpu->accel;\n+\n+ return vcpu->exit_ctx.VpContext.ExecutionState.Cr0Pe == 1;\n+}\n+\n+static bool is_long_mode(CPUState *cpu)\n+{\n+ AccelCPUState *vcpu = cpu->accel;\n+\n+ return vcpu->exit_ctx.VpContext.ExecutionState.EferLma == 1;\n+}\n+\n+static bool is_user_mode(CPUState *cpu)\n+{\n+ AccelCPUState *vcpu = cpu->accel;\n+ return vcpu->exit_ctx.VpContext.ExecutionState.Cpl == 3;\n+}\n \n static const struct x86_emul_ops whpx_x86_emul_ops = {\n .read_segment_descriptor = read_segment_descriptor,\n- .handle_io = handle_io\n+ .handle_io = handle_io,\n+ .is_protected_mode = is_protected_mode,\n+ .is_long_mode = is_long_mode,\n+ .is_user_mode = is_user_mode\n };\n \n static void whpx_init_emu(void)\n", "prefixes": [ "PULL", "10/19" ] }