[Xen-devel] [PATCH 2/3] xen/arm: do not handle VCPUOP_register_vcpu_info failures

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

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

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
---
 arch/arm/xen/enlighten.c |   11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 83d13b0..519acf9 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -165,13 +165,10 @@ 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;
-       }
+       if (err)
+               BUG();
+       per_cpu(xen_vcpu, cpu) = vcpup;
+
        return 0;
 }
 
-- 
1.7.2.5


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