From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Wed, 8 May 2013 13:02:38 +0000 (+0000)
Subject: xen/arm: do not handle VCPUOP_register_vcpu_info failures
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d7266d7894b111dee9b081c05944533bc8780eca;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

xen/arm: do not handle VCPUOP_register_vcpu_info failures

We expect VCPUOP_register_vcpu_info to succeed, do not try to handle
failures.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 83d13b0d5f74..3dfa2b5c787d 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -165,13 +165,9 @@ static int __init xen_secondary_init(unsigned int cpu)
 	info.offset = offset_in_page(vcpup);
 
 	err = HYPERVISOR_vcpu_op(VCPUOP_register_vcpu_info, cpu, &info);
-	if (err) {
-		pr_debug("register_vcpu_info failed: err=%d\n", err);
-	} else {
-		/* This cpu is using the registered vcpu info, even if
-		   later ones fail to. */
-		per_cpu(xen_vcpu, cpu) = vcpup;
-	}
+	BUG_ON(err);
+	per_cpu(xen_vcpu, cpu) = vcpup;
+
 	return 0;
 }