From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752763AbcG2JGy (ORCPT ); Fri, 29 Jul 2016 05:06:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58514 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751095AbcG2JGw (ORCPT ); Fri, 29 Jul 2016 05:06:52 -0400 From: Vitaly Kuznetsov To: xen-devel@lists.xenproject.org Cc: linux-kernel@vger.kernel.org, Boris Ostrovsky , David Vrabel , Juergen Gross , Stefano Stabellini , Julien Grall Subject: [PATCH linux v2] xen: change the type of xen_vcpu_id to uint32_t Date: Fri, 29 Jul 2016 11:06:48 +0200 Message-Id: <1469783208-16841-1-git-send-email-vkuznets@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Fri, 29 Jul 2016 09:06:52 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We pass xen_vcpu_id mapping information to hypercalls which require uint32_t type so it would be cleaner to have it as uint32_t. The initializer to -1 can be dropped as we always do the mapping before using it and we never check the 'not set' value anyway. Signed-off-by: Vitaly Kuznetsov --- Changes since v2: - Change the return value type of xen_vcpu_nr to uint32_t [David Vrabel] --- arch/arm/xen/enlighten.c | 2 +- arch/x86/xen/enlighten.c | 2 +- include/xen/xen-ops.h | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 6d3a171..1752116 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -47,7 +47,7 @@ DEFINE_PER_CPU(struct vcpu_info *, xen_vcpu); static struct vcpu_info __percpu *xen_vcpu_info; /* Linux <-> Xen vCPU id mapping */ -DEFINE_PER_CPU(int, xen_vcpu_id) = -1; +DEFINE_PER_CPU(uint32_t, xen_vcpu_id); EXPORT_PER_CPU_SYMBOL(xen_vcpu_id); /* These are unused until we support booting "pre-ballooned" */ diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 54eef1a..78a14a0 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -120,7 +120,7 @@ DEFINE_PER_CPU(struct vcpu_info *, xen_vcpu); DEFINE_PER_CPU(struct vcpu_info, xen_vcpu_info); /* Linux <-> Xen vCPU id mapping */ -DEFINE_PER_CPU(int, xen_vcpu_id) = -1; +DEFINE_PER_CPU(uint32_t, xen_vcpu_id); EXPORT_PER_CPU_SYMBOL(xen_vcpu_id); enum xen_domain_type xen_domain_type = XEN_NATIVE; diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index a4926f1..aac1be8 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -9,8 +9,8 @@ DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu); -DECLARE_PER_CPU(int, xen_vcpu_id); -static inline int xen_vcpu_nr(int cpu) +DECLARE_PER_CPU(uint32_t, xen_vcpu_id); +static inline uint32_t xen_vcpu_nr(int cpu) { return per_cpu(xen_vcpu_id, cpu); } -- 2.7.4