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GET /api/1.2/patches/2226160/?format=api
{ "id": 2226160, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2226160/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422101043.1234229-29-alex.bennee@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260422101043.1234229-29-alex.bennee@linaro.org>", "list_archive_url": null, "date": "2026-04-22T10:10:39", "name": "[v2,28/31] target/arm: hoist event broadcast code into a helper", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5ae91093e57e4d6bf2d028ef21b4642367b828e5", "submitter": { "id": 39532, "url": "http://patchwork.ozlabs.org/api/1.2/people/39532/?format=api", "name": "Alex Bennée", "email": "alex.bennee@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422101043.1234229-29-alex.bennee@linaro.org/mbox/", "series": [ { "id": 500957, "url": "http://patchwork.ozlabs.org/api/1.2/series/500957/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500957", "date": "2026-04-22T10:10:11", "name": "target/arm: fully model WFxT instructions for A-profile", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500957/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226160/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226160/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=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=ren4nwMv;\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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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::335;\n envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x335.google.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, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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": "We will shortly call it from more places.\n\nSigned-off-by: Alex Bennée <alex.bennee@linaro.org>\n---\n target/arm/internals.h | 19 +++++++++++++++++++\n target/arm/tcg/op_helper.c | 9 +--------\n 2 files changed, 20 insertions(+), 8 deletions(-)", "diff": "diff --git a/target/arm/internals.h b/target/arm/internals.h\nindex dc593f1fec8..089f679ac0a 100644\n--- a/target/arm/internals.h\n+++ b/target/arm/internals.h\n@@ -682,6 +682,25 @@ bool arm_is_psci_call(ARMCPU *cpu, int excp_type);\n /* Actually handle a PSCI call */\n void arm_handle_psci_call(ARMCPU *cpu);\n \n+/**\n+ * arm_broadcast_event: set the event_register for all PEs\n+ *\n+ * This kicks all PEs which will up which are waiting on the event\n+ * register.\n+ */\n+static inline void arm_broadcast_event(void)\n+{\n+ CPUState *cs;\n+\n+ CPU_FOREACH(cs) {\n+ ARMCPU *target_cpu = ARM_CPU(cs);\n+ target_cpu->env.event_register = true;\n+ if (!qemu_cpu_is_self(cs)) {\n+ qemu_cpu_kick(cs);\n+ }\n+ }\n+}\n+\n /**\n * arm_clear_exclusive: clear the exclusive monitor\n * @env: CPU env\ndiff --git a/target/arm/tcg/op_helper.c b/target/arm/tcg/op_helper.c\nindex 655e3f96e78..6a2be85fcaa 100644\n--- a/target/arm/tcg/op_helper.c\n+++ b/target/arm/tcg/op_helper.c\n@@ -474,14 +474,7 @@ void HELPER(wfit)(CPUARMState *env, uint32_t rd)\n \n void HELPER(sev)(CPUARMState *env)\n {\n- CPUState *cs = env_cpu(env);\n- CPU_FOREACH(cs) {\n- ARMCPU *target_cpu = ARM_CPU(cs);\n- target_cpu->env.event_register = true;\n- if (!qemu_cpu_is_self(cs)) {\n- qemu_cpu_kick(cs);\n- }\n- }\n+ arm_broadcast_event();\n }\n \n void HELPER(wfe)(CPUARMState *env)\n", "prefixes": [ "v2", "28/31" ] }