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authorJacob Pan <jacob.jun.pan@linux.intel.com>2016-05-23 16:45:43 (GMT)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-06-10 00:32:32 (GMT)
commite1a27e87a35cd6bb1087bd8f95a4be5a11e95f76 (patch)
tree60b121c2d4dd5b5e56af665d0db129cd2abd936a /drivers/powercap/intel_rapl.c
parent1a695a905c18548062509178b98bc91e67510864 (diff)
downloadlinux-e1a27e87a35cd6bb1087bd8f95a4be5a11e95f76.tar.xz
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>
Diffstat (limited to 'drivers/powercap/intel_rapl.c')
-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 b2766b8..91dfbe6 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;
}