x86: apic: Use tsc deadline for oneshot when available

[mirror_ubuntu-artful-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 9776f068306b7f7ec6425ec4c02b17f5dac4788a..4aa9ca0de63c6653e263f3ab9d7172b272ae5494 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1304,6 +1304,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        lapic           [X86-32,APIC] Enable the local APIC even if BIOS
                        disabled it.
 
+       lapic=          [x86,APIC] "notscdeadline" Do not use TSC deadline
+                       value for LAPIC timer one-shot implementation. Default
+                       back to the programmable timer unit in the LAPIC.
+
        lapic_timer_c2_ok       [X86,APIC] trust the local apic timer
                        in C2 power state.