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-rw-r--r--Documentation/kernel-parameters.txt12
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b49fcee5e9cc..0f1544f67400 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -796,6 +796,8 @@ and is between 256 and 4096 characters. It is defined in the file
796 Defaults to the default architecture's huge page size 796 Defaults to the default architecture's huge page size
797 if not specified. 797 if not specified.
798 798
799 hlt [BUGS=ARM,SH]
800
799 i8042.debug [HW] Toggle i8042 debug mode 801 i8042.debug [HW] Toggle i8042 debug mode
800 i8042.direct [HW] Put keyboard port into non-translated mode 802 i8042.direct [HW] Put keyboard port into non-translated mode
801 i8042.dumbkbd [HW] Pretend that controller can only read data from 803 i8042.dumbkbd [HW] Pretend that controller can only read data from
@@ -1211,6 +1213,10 @@ and is between 256 and 4096 characters. It is defined in the file
1211 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel 1213 mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel
1212 memory. 1214 memory.
1213 1215
1216 memchunk=nn[KMG]
1217 [KNL,SH] Allow user to override the default size for
1218 per-device physically contiguous DMA buffers.
1219
1214 memmap=exactmap [KNL,X86-32,X86_64] Enable setting of an exact 1220 memmap=exactmap [KNL,X86-32,X86_64] Enable setting of an exact
1215 E820 memory map, as specified by the user. 1221 E820 memory map, as specified by the user.
1216 Such memmap=exactmap lines can be constructed based on 1222 Such memmap=exactmap lines can be constructed based on
@@ -1393,6 +1399,8 @@ and is between 256 and 4096 characters. It is defined in the file
1393 1399
1394 nodisconnect [HW,SCSI,M68K] Disables SCSI disconnects. 1400 nodisconnect [HW,SCSI,M68K] Disables SCSI disconnects.
1395 1401
1402 nodsp [SH] Disable hardware DSP at boot time.
1403
1396 noefi [X86-32,X86-64] Disable EFI runtime services support. 1404 noefi [X86-32,X86-64] Disable EFI runtime services support.
1397 1405
1398 noexec [IA-64] 1406 noexec [IA-64]
@@ -1409,13 +1417,15 @@ and is between 256 and 4096 characters. It is defined in the file
1409 noexec32=off: disable non-executable mappings 1417 noexec32=off: disable non-executable mappings
1410 read implies executable mappings 1418 read implies executable mappings
1411 1419
1420 nofpu [SH] Disable hardware FPU at boot time.
1421
1412 nofxsr [BUGS=X86-32] Disables x86 floating point extended 1422 nofxsr [BUGS=X86-32] Disables x86 floating point extended
1413 register save and restore. The kernel will only save 1423 register save and restore. The kernel will only save
1414 legacy floating-point registers on task switch. 1424 legacy floating-point registers on task switch.
1415 1425
1416 noclflush [BUGS=X86] Don't use the CLFLUSH instruction 1426 noclflush [BUGS=X86] Don't use the CLFLUSH instruction
1417 1427
1418 nohlt [BUGS=ARM] 1428 nohlt [BUGS=ARM,SH]
1419 1429
1420 no-hlt [BUGS=X86-32] Tells the kernel that the hlt 1430 no-hlt [BUGS=X86-32] Tells the kernel that the hlt
1421 instruction doesn't work correctly and not to 1431 instruction doesn't work correctly and not to