aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKonstantin Belousov <kib@FreeBSD.org>2021-04-28 15:50:16 +0000
committerKonstantin Belousov <kib@FreeBSD.org>2021-04-30 14:43:45 +0000
commit72a42ec63b4a98f812f5f6164415eeb9a55e1933 (patch)
treee108ff3bd9c9ff6d2db372bf6efb08478a7445ba
parent21fc6a2a10cf6fbd294decbb0001473693ec1618 (diff)
downloadsrc-72a42ec63b4a98f812f5f6164415eeb9a55e1933.tar.gz
src-72a42ec63b4a98f812f5f6164415eeb9a55e1933.zip
amd64: disable LA57 by default for now
A testing on the real hardware uncovered an issue, and since I do not have access to the machine, disable until the bug can be fixed. Reported by: "Pieper, Jeffrey E" <jeffrey.e.pieper@intel.com> Sponsored by: The FreeBSD Foundation MFC after: 3 days
-rw-r--r--sys/amd64/amd64/pmap.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index 5a6a1cee8b8c..a4046cc1f687 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -2080,8 +2080,7 @@ pmap_bootstrap_la57(void *arg __unused)
if ((cpu_stdext_feature2 & CPUID_STDEXT2_LA57) == 0)
return;
- if (!TUNABLE_INT_FETCH("vm.pmap.la57", &la57))
- la57 = 1;
+ TUNABLE_INT_FETCH("vm.pmap.la57", &la57);
if (!la57)
return;