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Red Hat Bugzilla – Attachment 1241315 Details for
Bug 1178491
intel_rapl: no valid rapl domains found in package 0"
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[patch]
RHEL PATCH 1/1
0001-powercap-RAPL-reduce-message-loglevel.patch (text/plain), 1.85 KB, created by
Prarit Bhargava
on 2017-01-16 16:21:18 UTC
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Description:
RHEL PATCH 1/1
Filename:
MIME Type:
Creator:
Prarit Bhargava
Created:
2017-01-16 16:21:18 UTC
Size:
1.85 KB
patch
obsolete
>From e9546499f2538948fd731b0ace158063a0b038cc Mon Sep 17 00:00:00 2001 >From: Prarit Bhargava <prarit@redhat.com> >Date: Mon, 16 Jan 2017 11:00:18 -0500 >Subject: [1/1] powercap / RAPL: reduce message loglevel > >Bugzilla: http://bugzilla.redhat.com/1178491 > >Build info: >Date: Mon Jan 16 11:11:21 EST 2017 >Build OS: Red Hat Enterprise Linux Server release 7.4 Beta (Maipo) >System name: intel-brickland-07.khw.lab.eng.bos.redhat.com with -j96 >Built on: kernel-3.10.0-534.el7 >Arch built: ppc64 s390x x86_64 > >commit e1a27e87a35cd6bb1087bd8f95a4be5a11e95f76 >Author: Jacob Pan <jacob.jun.pan@linux.intel.com> >Date: Mon May 23 09:45:43 2016 -0700 > > 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> >--- > drivers/powercap/intel_rapl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c >index a03afe5d6726..cf634c4ed52a 100644 >--- a/drivers/powercap/intel_rapl.c >+++ b/drivers/powercap/intel_rapl.c >@@ -1338,7 +1338,7 @@ 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; > } >-- >1.7.9.3 >
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bug 1178491
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