From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: xen-devel@lists.xenproject.org
Cc: linux-kernel@vger.kernel.org,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
David Vrabel <david.vrabel@citrix.com>,
Juergen Gross <jgross@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Julien Grall <julien.grall@arm.com>
Subject: [PATCH linux] xen: change the type of xen_vcpu_id to uint32_t
Date: Thu, 28 Jul 2016 18:24:46 +0200 [thread overview]
Message-ID: <1469723086-22387-1-git-send-email-vkuznets@redhat.com> (raw)
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 <vkuznets@redhat.com>
---
arch/arm/xen/enlighten.c | 2 +-
arch/x86/xen/enlighten.c | 2 +-
include/xen/xen-ops.h | 2 +-
3 files changed, 3 insertions(+), 3 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..648ce814 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -9,7 +9,7 @@
DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu);
-DECLARE_PER_CPU(int, xen_vcpu_id);
+DECLARE_PER_CPU(uint32_t, xen_vcpu_id);
static inline int xen_vcpu_nr(int cpu)
{
return per_cpu(xen_vcpu_id, cpu);
--
2.7.4
next reply other threads:[~2016-07-28 16:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-28 16:24 Vitaly Kuznetsov [this message]
2016-07-28 17:18 ` [Xen-devel] [PATCH linux] xen: change the type of xen_vcpu_id to uint32_t David Vrabel
2016-07-29 8:50 ` Vitaly Kuznetsov
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