People complain about the driver saying there's no valid RAPL domains
in a VM, and doing so at KERN_ERR severity.  Downgrade this to KERN_INFO
if running on a hypervisor, since it is basically stating the obvious.

Suggested-by: Peter Zijlstra <[email protected]>
Cc: Jacob Pan <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
---
 drivers/powercap/intel_rapl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index 482b22ddc7b2..a418076dc9c9 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -1320,7 +1320,9 @@ static int rapl_detect_domains(struct rapl_package *rp, 
int cpu)
        }
        rp->nr_domains = bitmap_weight(&rp->domain_map, RAPL_DOMAIN_MAX);
        if (!rp->nr_domains) {
-               pr_err("no valid rapl domains found in package %d\n", rp->id);
+               printk("%sNo valid RAPL domains found in package %d\n",
+                      boot_cpu_has(X86_FEATURE_HYPERVISOR) ? KERN_INFO : 
KERN_ERR,
+                      rp->id);
                ret = -ENODEV;
                goto done;
        }
-- 
1.8.3.1

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

Reply via email to