RAS: Add a Corrected Errors Collector

[people/arne_f/kernel.git] / Documentation / admin-guide / kernel-parameters.txt

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 986e44387dad493e268ab93253120df73abc3045..927b8b8854cde18fb718441ca663fe503152571d 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -653,6 +653,9 @@
        cpuidle.off=1   [CPU_IDLE]
                        disable the cpuidle sub-system
 
+       cpufreq.off=1   [CPU_FREQ]
+                       disable the cpufreq sub-system
+
        cpu_init_udelay=N
                        [X86] Delay for N microsec between assert and de-assert
                        of APIC INIT to start processors.  This delay occurs
@@ -1183,6 +1186,12 @@
                        functions that can be changed at run time by the
                        set_graph_notrace file in the debugfs tracing directory.
 
+       ftrace_graph_max_depth=<uint>
+                       [FTRACE] Used with the function graph tracer. This is
+                       the max depth it will trace into a function. This value
+                       can be changed at run time by the max_graph_depth file
+                       in the tracefs tracing directory. default: 0 (no limit)
+
        gamecon.map[2|3]=
                        [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                        support via parallel port (up to 5 devices per port)
@@ -3163,6 +3172,12 @@
        ramdisk_size=   [RAM] Sizes of RAM disks in kilobytes
                        See Documentation/blockdev/ramdisk.txt.
 
+       ras=option[,option,...] [KNL] RAS-specific options
+
+               cec_disable     [X86]
+                               Disable the Correctable Errors Collector,
+                               see CONFIG_RAS_CEC help text.
+
        rcu_nocbs=      [KNL]
                        The argument is a cpu list, as described above.