Those parameters lives in MIPS kernel since very start. Document them for convenience. Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> --- .../admin-guide/kernel-parameters.txt | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9c502d3aa0cd..67a0c3f7eca3 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -713,6 +713,8 @@ Sets the size of memory pool for coherent, atomic dma allocations, by default set to 256K. + coherentio [KNL,MIPS] Force enable hardware DMA cache coherency. + com20020= [HW,NET] ARCnet - COM20020 chipset Format: <io>[,<irq>[,<nodeID>[,<backplane>[,<ckp>[,<timeout>]]]]] @@ -3626,6 +3628,8 @@ nocache [ARM] + nocoherentio [KNL,MIPS] Force enable software DMA cache coherency. + no_console_suspend [HW] Never suspend the console Disable suspending of consoles during suspend and @@ -3645,6 +3649,7 @@ [KNL] Disable object debugging nodsp [SH] Disable hardware DSP at boot time. + [MIPS] Disable DSP ASE at boot time. noefi Disable EFI runtime services support. @@ -3667,6 +3672,8 @@ nofsgsbase [X86] Disables FSGSBASE instructions. + noftlb [MIPS] Disable Fixed TLB at boot time. + nofxsr [BUGS=X86-32] Disables x86 floating point extended register save and restore. The kernel will only save legacy floating-point registers on task switch. @@ -3678,6 +3685,8 @@ in certain environments such as networked servers or real-time systems. + nohtw [MIPS] Disable hardware page table walker at boot time. + no_hash_pointers Force pointers printed to the console or buffers to be unhashed. By default, when a pointer is printed via %p @@ -3758,6 +3767,8 @@ nolapic_timer [X86-32,APIC] Do not use the local APIC timer. + noulri [MIPS] Disable RDHWR ULR access for user space. + nomca [IA-64] Disable machine check abort handling nomce [X86-32] Disable Machine Check Exception @@ -3882,6 +3893,8 @@ [X86,PV_OPS] Disable paravirtualized VMware scheduler clock and use the default one. + nowait [MIPS] Disable the wait instruction for idle. + nowatchdog [KNL] Disable both lockup detectors, i.e. soft-lockup and NMI watchdog (hard-lockup). @@ -3893,6 +3906,8 @@ LEGACY_XAPIC_DISABLED bit set in the IA32_XAPIC_DISABLE_STATUS MSR. + noxpa [MIPS] Disable XPA (eXtended Physical Addressing) ASE. + noxsave [BUGS=X86] Disables x86 extended register state save and restore using xsave. The kernel will fallback to enabling legacy floating-point and sse state. @@ -3936,6 +3951,8 @@ nr_uarts= [SERIAL] maximum number of UARTs to be registered. + ntlb= [MIPS] Override max number of TLB entries. + numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only set up a single NUMA node spanning all memory. @@ -5273,6 +5290,18 @@ rcupdate.rcu_self_test= [KNL] Run the RCU early boot self tests + rd_size= [KNL,MIPS] + Specify size of initrd in memory. + Need to be used with rd_start. + + rd_start= [KNL,MIPS] + Specify a virtual address from which to load the initrd. + Must in KSEG0 or XKPHYS space. + Need to be used with rd_size. + + rdhwr_noopt [MIPS] Disable optimization of trap and emulation for + "RDHWR v1, $29" instruction. + rdinit= [KNL] Format: <full_path> Run specified binary instead of /init from the ramdisk, -- 2.39.2 (Apple Git-143)
