From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id A40C0F433D9 for ; Thu, 16 Apr 2026 03:06:38 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1FB924065C; Thu, 16 Apr 2026 05:06:24 +0200 (CEST) Received: from canpmsgout01.his.huawei.com (canpmsgout01.his.huawei.com [113.46.200.216]) by mails.dpdk.org (Postfix) with ESMTP id 2B43340297 for ; Thu, 16 Apr 2026 05:06:19 +0200 (CEST) dkim-signature: v=1; a=rsa-sha256; d=h-partners.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=XzjE9zKUzyPU63z1IR/TnWBye/P2XAzOmWs1kWW0bFw=; b=lCBCYuvv4/SyX9sNZdb+mhioms2jD9YVgvJHCAB4JourZfVvUYEOtCYftyaq778OYm07DOFCg jVJpeuH7Jxua4rpaPhUcBKT5csnBJHCYfLc8Ae5hRjITOkUtfO6/ZDbEPbBsYGA1LwUz9D8ACYV oEYXJejLqD7V7dDtBibJyGM= Received: from mail.maildlp.com (unknown [172.19.163.104]) by canpmsgout01.his.huawei.com (SkyGuard) with ESMTPS id 4fx2nD0yjcz1T4HC; Thu, 16 Apr 2026 11:00:16 +0800 (CST) Received: from dggemv712-chm.china.huawei.com (unknown [10.1.198.32]) by mail.maildlp.com (Postfix) with ESMTPS id CFA5C40570; Thu, 16 Apr 2026 11:06:17 +0800 (CST) Received: from kwepemn100009.china.huawei.com (7.202.194.112) by dggemv712-chm.china.huawei.com (10.1.198.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 16 Apr 2026 11:06:13 +0800 Received: from localhost.localdomain (10.50.163.32) by kwepemn100009.china.huawei.com (7.202.194.112) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Thu, 16 Apr 2026 11:06:13 +0800 From: Huisong Li To: , CC: , , , , , Subject: [PATCH v1 01/15] power/kvm_vm: enforce enabled lcore ID check Date: Thu, 16 Apr 2026 11:05:58 +0800 Message-ID: <20260416030612.2379407-2-lihuisong@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20260416030612.2379407-1-lihuisong@huawei.com> References: <20260416030612.2379407-1-lihuisong@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.50.163.32] X-ClientProxiedBy: kwepems100001.china.huawei.com (7.221.188.238) To kwepemn100009.china.huawei.com (7.202.194.112) X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org The locre ID in cpufreq power must be enabled core in application. Use rte_lcore_is_enabled to verify lcore_id. Fixes: 6f987b594fa6 ("power: refactor core power management") Cc: stable@dpdk.org Signed-off-by: Huisong Li --- drivers/power/kvm_vm/kvm_vm.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/power/kvm_vm/kvm_vm.c b/drivers/power/kvm_vm/kvm_vm.c index 5754a441cd..816863da7a 100644 --- a/drivers/power/kvm_vm/kvm_vm.c +++ b/drivers/power/kvm_vm/kvm_vm.c @@ -24,11 +24,11 @@ power_kvm_vm_check_supported(void) int power_kvm_vm_init(unsigned int lcore_id) { - if (lcore_id >= RTE_MAX_LCORE) { - POWER_LOG(ERR, "Core(%u) is out of range 0...%d", - lcore_id, RTE_MAX_LCORE-1); + if (!rte_lcore_is_enabled(lcore_id)) { + POWER_LOG(ERR, "lcore id %u is not enabled", lcore_id); return -1; } + pkt[lcore_id].command = RTE_POWER_CPU_POWER; pkt[lcore_id].resource_id = lcore_id; return guest_channel_host_connect(FD_PATH, lcore_id); @@ -73,11 +73,11 @@ send_msg(unsigned int lcore_id, uint32_t scale_direction) { int ret; - if (lcore_id >= RTE_MAX_LCORE) { - POWER_LOG(ERR, "Core(%u) is out of range 0...%d", - lcore_id, RTE_MAX_LCORE-1); + if (!rte_lcore_is_enabled(lcore_id)) { + POWER_LOG(ERR, "lcore id %u is not enabled", lcore_id); return -1; } + pkt[lcore_id].unit = scale_direction; ret = guest_channel_send_msg(&pkt[lcore_id], lcore_id); if (ret == 0) -- 2.33.0