It is much easier to just look in the hypervisor output and figure
out what went wrong. For that use, cpufreq=verbose on Xen command line.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
drivers/xen/processor-passthru.c | 25 ++++++++-----------------
1 files changed, 8 insertions(+), 17 deletions(-)
diff --git a/drivers/xen/processor-passthru.c b/drivers/xen/processor-passthru.c
index 9ca2965..d731f55 100644
--- a/drivers/xen/processor-passthru.c
+++ b/drivers/xen/processor-passthru.c
@@ -119,14 +119,10 @@ static int xen_push_cxx_to_hypervisor(struct acpi_processor *_pr)
if (!no_hypercall && xen_initial_domain())
ret = HYPERVISOR_dom0_op(&op);
- if (ret) {
- pr_err(DRV_NAME ": Failed to send to hypervisor (rc:%d)\n", ret);
- print_hex_dump_bytes("OP: ", DUMP_PREFIX_NONE, &op,
- sizeof(struct xen_platform_op));
- print_hex_dump_bytes("Cx: ", DUMP_PREFIX_NONE, xen_cx_states,
- _pr->power.count *
- sizeof(struct xen_processor_cx));
- }
+ if (ret)
+ pr_err(DRV_NAME "(CX): Hypervisor returned (%d) for ACPI ID: %d\n",
+ ret, _pr->acpi_id);
+
kfree(xen_cx_states);
return ret;
@@ -229,15 +225,10 @@ static int xen_push_pxx_to_hypervisor(struct acpi_processor *_pr)
if (!no_hypercall && xen_initial_domain())
ret = HYPERVISOR_dom0_op(&op);
- if (ret) {
- pr_err(DRV_NAME ": Failed to send to hypervisor (rc:%d)\n", ret);
- print_hex_dump_bytes("OP: ", DUMP_PREFIX_NONE, &op,
- sizeof(struct xen_platform_op));
- if (!IS_ERR_OR_NULL(xen_states))
- print_hex_dump_bytes("Pxx:", DUMP_PREFIX_NONE, xen_states,
- _pr->performance->state_count *
- sizeof(struct xen_processor_px));
- }
+ if (ret)
+ pr_err(DRV_NAME "(_PXX): Hypervisor returned (%d) for ACPI ID %d\n",
+ ret, _pr->acpi_id);
+
if (!IS_ERR_OR_NULL(xen_states))
kfree(xen_states);
--
1.7.7.5
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