{"id":2196685,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2196685/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","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":"<20260216034432.23912-8-richard.henderson@linaro.org>","date":"2026-02-16T03:44:26","name":"[RFC,07/13] target/arm: Remove kvm test in arm_set_pmu","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"19da0d840239cdd44107accaa98ef5a0ec240b8c","submitter":{"id":72104,"url":"http://patchwork.ozlabs.org/api/1.0/people/72104/?format=json","name":"Richard Henderson","email":"richard.henderson@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260216034432.23912-8-richard.henderson@linaro.org/mbox/","series":[{"id":492243,"url":"http://patchwork.ozlabs.org/api/1.0/series/492243/?format=json","date":"2026-02-16T03:44:19","name":"target/arm: Support SME for KVM","version":1,"mbox":"http://patchwork.ozlabs.org/series/492243/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2196685/checks/","tags":{},"headers":{"Return-Path":"","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=Z8T1cD1h;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fDpZk3fd4z1xpl\n\tfor ; Mon, 16 Feb 2026 14:45:34 +1100 (AEDT)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1vrpXc-0002Yb-Pi; Sun, 15 Feb 2026 22:44:56 -0500","from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1vrpXb-0002Xz-DY\n for qemu-devel@nongnu.org; Sun, 15 Feb 2026 22:44:55 -0500","from mail-pl1-x62b.google.com ([2607:f8b0:4864:20::62b])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from )\n id 1vrpXa-0002Qx-2Q\n for qemu-devel@nongnu.org; Sun, 15 Feb 2026 22:44:55 -0500","by mail-pl1-x62b.google.com with SMTP id\n d9443c01a7336-2ab232cc803so12309515ad.3\n for ; Sun, 15 Feb 2026 19:44:53 -0800 (PST)","from stoup.. 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In arm_cpu_post_init we only register the\n\"pmu\" property if ARM_FEATURE_PMU. Therefore, if kvm is enabled,\nwe can only arrive in arm_set_pmu if kvm_arm_pmu_supported.\n\nSigned-off-by: Richard Henderson \n---\n target/arm/cpu.c | 4 ----\n 1 file changed, 4 deletions(-)","diff":"diff --git a/target/arm/cpu.c b/target/arm/cpu.c\nindex 7542444b18..16ce5f300d 100644\n--- a/target/arm/cpu.c\n+++ b/target/arm/cpu.c\n@@ -1218,10 +1218,6 @@ static void arm_set_pmu(Object *obj, bool value, Error **errp)\n ARMCPU *cpu = ARM_CPU(obj);\n \n if (value) {\n- if (kvm_enabled() && !kvm_arm_pmu_supported()) {\n- error_setg(errp, \"'pmu' feature not supported by KVM on this host\");\n- return;\n- }\n set_feature(&cpu->env, ARM_FEATURE_PMU);\n } else {\n unset_feature(&cpu->env, ARM_FEATURE_PMU);\n","prefixes":["RFC","07/13"]}