Clean up some of admin-guide/kernel-parameters.txt: a. "smt" should be "smt=" (S390) b. (dropped) c. Sparc supports the vdso= boot option d. make the tp_printk options (2) formatting similar to other options by adding spacing e. add "trace_clock=" with a reference to Documentation/trace/ftrace.rst f. use [IA-64] as documented instead of [ia64] g. fix formatting and text for test_suspend= h. fix formatting for swapaccount= i. fix formatting and grammar for video.brightness_switch_enabled= Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Heiko Carstens <hca@xxxxxxxxxxxxx> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx> Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx> Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx> Cc: Sven Schnelle <svens@xxxxxxxxxxxxx> Cc: linux-s390@xxxxxxxxxxxxxxx Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: sparclinux@xxxxxxxxxxxxxxx Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: linux-ia64@xxxxxxxxxxxxxxx Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx> Cc: Pavel Machek <pavel@xxxxxx> Cc: Len Brown <lenb@xxxxxxxxxx> Cc: linux-pm@xxxxxxxxxxxxxxx Cc: linux-acpi@xxxxxxxxxxxxxxx Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: linux-doc@xxxxxxxxxxxxxxx --- v2: drop "smt-enabled" for arch/powerpc/ (Michael) Documentation/admin-guide/kernel-parameters.txt | 27 ++++++++------ 1 file changed, 16 insertions(+), 11 deletions(-) --- linux-next-20220331.orig/Documentation/admin-guide/kernel-parameters.txt +++ linux-next-20220331/Documentation/admin-guide/kernel-parameters.txt @@ -2814,7 +2814,7 @@ different yeeloong laptops. Example: machtype=lemote-yeeloong-2f-7inch - max_addr=nn[KMG] [KNL,BOOT,ia64] All physical memory greater + max_addr=nn[KMG] [KNL,BOOT,IA-64] All physical memory greater than or equal to this physical address is ignored. maxcpus= [SMP] Maximum number of processors that an SMP kernel @@ -3057,7 +3057,7 @@ mga= [HW,DRM] - min_addr=nn[KMG] [KNL,BOOT,ia64] All physical memory below this + min_addr=nn[KMG] [KNL,BOOT,IA-64] All physical memory below this physical address is ignored. mini2440= [ARM,HW,KNL] @@ -5388,7 +5388,7 @@ 1: Fast pin select (default) 2: ATC IRMode - smt [KNL,S390] Set the maximum number of threads (logical + smt= [KNL,S390] Set the maximum number of threads (logical CPUs) to use per physical CPU on systems capable of symmetric multithreading (SMT). Will be capped to the actual hardware limit. @@ -5774,8 +5774,9 @@ This parameter controls use of the Protected Execution Facility on pSeries. - swapaccount=[0|1] - [KNL] Enable accounting of swap in memory resource + swapaccount= [KNL] + Format: [0|1] + Enable accounting of swap in memory resource controller if no parameter or 1 is given or disable it if 0 is given (See Documentation/admin-guide/cgroup-v1/memory.rst) @@ -5821,7 +5822,8 @@ tdfx= [HW,DRM] - test_suspend= [SUSPEND][,N] + test_suspend= [SUSPEND] + Format: { "mem" | "standby" | "freeze" }[,N] Specify "mem" (for Suspend-to-RAM) or "standby" (for standby suspend) or "freeze" (for suspend type freeze) as the system sleep state during system startup with @@ -5908,6 +5910,8 @@ trace_buf_size=nn[KMG] [FTRACE] will set tracing buffer size on each cpu. + trace_clock= [FTRACE] See Documentation/trace/ftrace.rst + trace_event=[event-list] [FTRACE] Set and start specified trace events in order to facilitate early boot debugging. The event-list is a @@ -5930,7 +5934,7 @@ See also Documentation/trace/ftrace.rst "trace options" section. - tp_printk[FTRACE] + tp_printk [FTRACE] Have the tracepoints sent to printk as well as the tracing ring buffer. This is useful for early boot up where the system hangs or reboots and does not give the @@ -5952,7 +5956,7 @@ frequency tracepoints such as irq or sched, can cause the system to live lock. - tp_printk_stop_on_boot[FTRACE] + tp_printk_stop_on_boot [FTRACE] When tp_printk (above) is set, it can cause a lot of noise on the console. It may be useful to only include the printing of events during boot up, as user space may @@ -6301,7 +6305,7 @@ HIGHMEM regardless of setting of CONFIG_HIGHPTE. - vdso= [X86,SH] + vdso= [X86,SH,SPARC] On X86_32, this is an alias for vdso32=. Otherwise: vdso=1: enable VDSO (the default) @@ -6327,11 +6331,12 @@ video= [FB] Frame buffer configuration See Documentation/fb/modedb.rst. - video.brightness_switch_enabled= [0,1] + video.brightness_switch_enabled= [ACPI] + Format: [0|1] If set to 1, on receiving an ACPI notify event generated by hotkey, video driver will adjust brightness level and then send out the event to user space through - the allocated input device; If set to 0, video driver + the allocated input device. If set to 0, video driver will only send out the event without touching backlight brightness level. default: 1