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

From: Stefano Stabellini
Date: Wed May 08 2013 - 08:11:59 EST


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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/