From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030223AbbC0OD7 (ORCPT ); Fri, 27 Mar 2015 10:03:59 -0400 Received: from mail-pd0-f175.google.com ([209.85.192.175]:36423 "EHLO mail-pd0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030207AbbC0ODz (ORCPT ); Fri, 27 Mar 2015 10:03:55 -0400 From: Hanjun Guo To: "Rafael J. Wysocki" Cc: Will Deacon , Catalin Marinas , Boris Ostrovsky , Stefano Stabellini , Lorenzo Pieralisi , Sudeep Holla , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org, Hanjun Guo Subject: [PATCH 4/7] Xen / ACPI / processor: use invalid_logical_cpuid() Date: Fri, 27 Mar 2015 22:02:25 +0800 Message-Id: <1427464948-14564-5-git-send-email-hanjun.guo@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427464948-14564-1-git-send-email-hanjun.guo@linaro.org> References: <1427464948-14564-1-git-send-email-hanjun.guo@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use invalid_logical_cpuid(pr->id) instead of direct comparison of -1. Signed-off-by: Hanjun Guo CC: Boris Ostrovsky CC: Stefano Stabellini --- drivers/xen/xen-acpi-cpuhotplug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/xen/xen-acpi-cpuhotplug.c b/drivers/xen/xen-acpi-cpuhotplug.c index 3e62ee4..5a62aa0 100644 --- a/drivers/xen/xen-acpi-cpuhotplug.c +++ b/drivers/xen/xen-acpi-cpuhotplug.c @@ -77,7 +77,7 @@ static int xen_acpi_processor_enable(struct acpi_device *device) pr->id = xen_pcpu_id(pr->acpi_id); - if ((int)pr->id < 0) + if (invalid_logical_cpuid(pr->id)) /* This cpu is not presented at hypervisor, try to hotadd it */ if (ACPI_FAILURE(xen_acpi_cpu_hotadd(pr))) { pr_err(PREFIX "Hotadd CPU (acpi_id = %d) failed.\n", @@ -226,7 +226,7 @@ static acpi_status xen_acpi_cpu_hotadd(struct acpi_processor *pr) return AE_ERROR; pr->id = xen_hotadd_cpu(pr); - if ((int)pr->id < 0) + if (invalid_logical_cpuid(pr->id)) return AE_ERROR; /* -- 1.9.1