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authornwhitehorn <nwhitehorn@FreeBSD.org>2014-05-04 16:38:21 +0000
committernwhitehorn <nwhitehorn@FreeBSD.org>2014-05-04 16:38:21 +0000
commit34465d9bbec46eb9a8e3bbea36d40d9afdd3beec (patch)
treea8584206d19e6c7b11a9168e7e3b6dff5d244430
parentf4c8cf8cb63c28d2f22986b4aa244808f9a8a04d (diff)
downloadFreeBSD-src-34465d9bbec46eb9a8e3bbea36d40d9afdd3beec.zip
FreeBSD-src-34465d9bbec46eb9a8e3bbea36d40d9afdd3beec.tar.gz
Disable ACPI and P4TCC throttling by default, following discussion on
freebsd-current. These CPU speed control techniques are usually unhelpful at best. For now, continue building the relevant code into GENERIC so that it can trivially be re-enabled at runtime if anyone wants it. MFC after: 1 month
-rw-r--r--sys/amd64/conf/GENERIC.hints2
-rw-r--r--sys/i386/conf/GENERIC.hints2
2 files changed, 4 insertions, 0 deletions
diff --git a/sys/amd64/conf/GENERIC.hints b/sys/amd64/conf/GENERIC.hints
index eacbbe8..39beae1 100644
--- a/sys/amd64/conf/GENERIC.hints
+++ b/sys/amd64/conf/GENERIC.hints
@@ -31,3 +31,5 @@ hint.attimer.0.at="isa"
hint.attimer.0.port="0x40"
hint.attimer.0.irq="0"
hint.wbwd.0.at="isa"
+hint.acpi_throttle.0.disabled="1"
+hint.p4tcc.0.disabled="1"
diff --git a/sys/i386/conf/GENERIC.hints b/sys/i386/conf/GENERIC.hints
index 98c906d..fb30240 100644
--- a/sys/i386/conf/GENERIC.hints
+++ b/sys/i386/conf/GENERIC.hints
@@ -39,3 +39,5 @@ hint.attimer.0.at="isa"
hint.attimer.0.port="0x40"
hint.attimer.0.irq="0"
hint.wbwd.0.at="isa"
+hint.acpi_throttle.0.disabled="1"
+hint.p4tcc.0.disabled="1"
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