diff options
Diffstat (limited to 'sys/arch/amd64/conf/GENERIC')
| -rw-r--r-- | sys/arch/amd64/conf/GENERIC | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sys/arch/amd64/conf/GENERIC b/sys/arch/amd64/conf/GENERIC index db3ce4c..7a28038 100644 --- a/sys/arch/amd64/conf/GENERIC +++ b/sys/arch/amd64/conf/GENERIC @@ -1,9 +1,16 @@ +// // Kernel options -option SPECTRE_IBRS no -option SERIAL_DEBUG yes +// +// XXX: Indirect branch restricted speculation (SPECTRE_IBRS) +// is disabled by default as it can lead to significant +// performance degradation. +// +option SPECTRE_IBRS no // Enable the IBRS CPU feature +option SERIAL_DEBUG yes // Enable kmsg serial logging +option USER_KMSG no // Show kmsg in user consoles // Kernel constants -setval SCHED_NQUEUE 4 +setval SCHED_NQUEUE 4 // Number of scheduler queues (for MLFQ) // Console attributes setval CONSOLE_BG 0x000000 |