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authorJacob Pan <jacob.jun.pan@linux.intel.com>2016-05-23 09:45:43 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-06-10 02:32:32 +0200
commite1a27e87a35cd6bb1087bd8f95a4be5a11e95f76 (patch)
tree60b121c2d4dd5b5e56af665d0db129cd2abd936a
parent1a695a905c18548062509178b98bc91e67510864 (diff)
powercap / RAPL: reduce message loglevel
Since the RAPL interface is not architectual, its enumeration depends on poking MSRs instead of using the CPUID method. In KVM guests, the RAPL driver probe will fail and emit the following message for every CPU: "no valid rapl domains found in package" This patch converts the warning to a debug message only (still return -ENODEV so that RAPL does not run in KVM guests). Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> [ rjw: Subject & changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/powercap/intel_rapl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index b2766b867b0e..91dfbe6433d6 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -1392,7 +1392,7 @@ 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);
+ pr_debug("no valid rapl domains found in package %d\n", rp->id);
ret = -ENODEV;
goto done;
}