diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/feature-removal-schedule.txt | 12 | ||||
-rw-r--r-- | Documentation/filesystems/proc.txt | 9 | ||||
-rw-r--r-- | Documentation/kernel-parameters.txt | 44 | ||||
-rw-r--r-- | Documentation/nmi_watchdog.txt | 5 | ||||
-rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 2 | ||||
-rw-r--r-- | Documentation/x86/boot.txt | 6 | ||||
-rw-r--r-- | Documentation/x86/x86_64/boot-options.txt | 11 | ||||
-rw-r--r-- | Documentation/x86/x86_64/mm.txt | 2 |
8 files changed, 56 insertions, 35 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index c28a2ac88f9d..1a8af7354e79 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt | |||
@@ -244,18 +244,6 @@ Who: Michael Buesch <mb@bu3sch.de> | |||
244 | 244 | ||
245 | --------------------------- | 245 | --------------------------- |
246 | 246 | ||
247 | What: init_mm export | ||
248 | When: 2.6.26 | ||
249 | Why: Not used in-tree. The current out-of-tree users used it to | ||
250 | work around problems in the CPA code which should be resolved | ||
251 | by now. One usecase was described to provide verification code | ||
252 | of the CPA operation. That's a good idea in general, but such | ||
253 | code / infrastructure should be in the kernel and not in some | ||
254 | out-of-tree driver. | ||
255 | Who: Thomas Gleixner <tglx@linutronix.de> | ||
256 | |||
257 | ---------------------------- | ||
258 | |||
259 | What: usedac i386 kernel parameter | 247 | What: usedac i386 kernel parameter |
260 | When: 2.6.27 | 248 | When: 2.6.27 |
261 | Why: replaced by allowdac and no dac combination | 249 | Why: replaced by allowdac and no dac combination |
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index bb1b0dd3bfcb..71df353e367c 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt | |||
@@ -1339,10 +1339,13 @@ nmi_watchdog | |||
1339 | 1339 | ||
1340 | Enables/Disables the NMI watchdog on x86 systems. When the value is non-zero | 1340 | Enables/Disables the NMI watchdog on x86 systems. When the value is non-zero |
1341 | the NMI watchdog is enabled and will continuously test all online cpus to | 1341 | the NMI watchdog is enabled and will continuously test all online cpus to |
1342 | determine whether or not they are still functioning properly. | 1342 | determine whether or not they are still functioning properly. Currently, |
1343 | passing "nmi_watchdog=" parameter at boot time is required for this function | ||
1344 | to work. | ||
1343 | 1345 | ||
1344 | Because the NMI watchdog shares registers with oprofile, by disabling the NMI | 1346 | If LAPIC NMI watchdog method is in use (nmi_watchdog=2 kernel parameter), the |
1345 | watchdog, oprofile may have more registers to utilize. | 1347 | NMI watchdog shares registers with oprofile. By disabling the NMI watchdog, |
1348 | oprofile may have more registers to utilize. | ||
1346 | 1349 | ||
1347 | msgmni | 1350 | msgmni |
1348 | ------ | 1351 | ------ |
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e0f346d201ed..ee5a5f9358ec 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -220,14 +220,17 @@ and is between 256 and 4096 characters. It is defined in the file | |||
220 | Bits in debug_level correspond to a level in | 220 | Bits in debug_level correspond to a level in |
221 | ACPI_DEBUG_PRINT statements, e.g., | 221 | ACPI_DEBUG_PRINT statements, e.g., |
222 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, ... | 222 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, ... |
223 | See Documentation/acpi/debug.txt for more information | 223 | The debug_level mask defaults to "info". See |
224 | about debug layers and levels. | 224 | Documentation/acpi/debug.txt for more information about |
225 | debug layers and levels. | ||
225 | 226 | ||
227 | Enable processor driver info messages: | ||
228 | acpi.debug_layer=0x20000000 | ||
229 | Enable PCI/PCI interrupt routing info messages: | ||
230 | acpi.debug_layer=0x400000 | ||
226 | Enable AML "Debug" output, i.e., stores to the Debug | 231 | Enable AML "Debug" output, i.e., stores to the Debug |
227 | object while interpreting AML: | 232 | object while interpreting AML: |
228 | acpi.debug_layer=0xffffffff acpi.debug_level=0x2 | 233 | acpi.debug_layer=0xffffffff acpi.debug_level=0x2 |
229 | Enable PCI/PCI interrupt routing info messages: | ||
230 | acpi.debug_layer=0x400000 acpi.debug_level=0x4 | ||
231 | Enable all messages related to ACPI hardware: | 234 | Enable all messages related to ACPI hardware: |
232 | acpi.debug_layer=0x2 acpi.debug_level=0xffffffff | 235 | acpi.debug_layer=0x2 acpi.debug_level=0xffffffff |
233 | 236 | ||
@@ -1393,7 +1396,20 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1393 | when a NMI is triggered. | 1396 | when a NMI is triggered. |
1394 | Format: [state][,regs][,debounce][,die] | 1397 | Format: [state][,regs][,debounce][,die] |
1395 | 1398 | ||
1396 | nmi_watchdog= [KNL,BUGS=X86-32] Debugging features for SMP kernels | 1399 | nmi_watchdog= [KNL,BUGS=X86-32,X86-64] Debugging features for SMP kernels |
1400 | Format: [panic,][num] | ||
1401 | Valid num: 0,1,2 | ||
1402 | 0 - turn nmi_watchdog off | ||
1403 | 1 - use the IO-APIC timer for the NMI watchdog | ||
1404 | 2 - use the local APIC for the NMI watchdog using | ||
1405 | a performance counter. Note: This will use one performance | ||
1406 | counter and the local APIC's performance vector. | ||
1407 | When panic is specified panic when an NMI watchdog timeout occurs. | ||
1408 | This is useful when you use a panic=... timeout and need the box | ||
1409 | quickly up again. | ||
1410 | Instead of 1 and 2 it is possible to use the following | ||
1411 | symbolic names: lapic and ioapic | ||
1412 | Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic | ||
1397 | 1413 | ||
1398 | no387 [BUGS=X86-32] Tells the kernel to use the 387 maths | 1414 | no387 [BUGS=X86-32] Tells the kernel to use the 387 maths |
1399 | emulation library even if a 387 maths coprocessor | 1415 | emulation library even if a 387 maths coprocessor |
@@ -1626,6 +1642,17 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1626 | nomsi [MSI] If the PCI_MSI kernel config parameter is | 1642 | nomsi [MSI] If the PCI_MSI kernel config parameter is |
1627 | enabled, this kernel boot option can be used to | 1643 | enabled, this kernel boot option can be used to |
1628 | disable the use of MSI interrupts system-wide. | 1644 | disable the use of MSI interrupts system-wide. |
1645 | noioapicquirk [APIC] Disable all boot interrupt quirks. | ||
1646 | Safety option to keep boot IRQs enabled. This | ||
1647 | should never be necessary. | ||
1648 | ioapicreroute [APIC] Enable rerouting of boot IRQs to the | ||
1649 | primary IO-APIC for bridges that cannot disable | ||
1650 | boot IRQs. This fixes a source of spurious IRQs | ||
1651 | when the system masks IRQs. | ||
1652 | noioapicreroute [APIC] Disable workaround that uses the | ||
1653 | boot IRQ equivalent of an IRQ that connects to | ||
1654 | a chipset where boot IRQs cannot be disabled. | ||
1655 | The opposite of ioapicreroute. | ||
1629 | biosirq [X86-32] Use PCI BIOS calls to get the interrupt | 1656 | biosirq [X86-32] Use PCI BIOS calls to get the interrupt |
1630 | routing table. These calls are known to be buggy | 1657 | routing table. These calls are known to be buggy |
1631 | on several machines and they hang the machine | 1658 | on several machines and they hang the machine |
@@ -2255,6 +2282,13 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2255 | Format: | 2282 | Format: |
2256 | <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq> | 2283 | <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq> |
2257 | 2284 | ||
2285 | tsc= Disable clocksource-must-verify flag for TSC. | ||
2286 | Format: <string> | ||
2287 | [x86] reliable: mark tsc clocksource as reliable, this | ||
2288 | disables clocksource verification at runtime. | ||
2289 | Used to enable high-resolution timer mode on older | ||
2290 | hardware, and in virtualized environment. | ||
2291 | |||
2258 | turbografx.map[2|3]= [HW,JOY] | 2292 | turbografx.map[2|3]= [HW,JOY] |
2259 | TurboGraFX parallel port interface | 2293 | TurboGraFX parallel port interface |
2260 | Format: | 2294 | Format: |
diff --git a/Documentation/nmi_watchdog.txt b/Documentation/nmi_watchdog.txt index 90aa4531cb67..bf9f80a98282 100644 --- a/Documentation/nmi_watchdog.txt +++ b/Documentation/nmi_watchdog.txt | |||
@@ -69,6 +69,11 @@ to the overall system performance. | |||
69 | On x86 nmi_watchdog is disabled by default so you have to enable it with | 69 | On x86 nmi_watchdog is disabled by default so you have to enable it with |
70 | a boot time parameter. | 70 | a boot time parameter. |
71 | 71 | ||
72 | It's possible to disable the NMI watchdog in run-time by writing "0" to | ||
73 | /proc/sys/kernel/nmi_watchdog. Writing "1" to the same file will re-enable | ||
74 | the NMI watchdog. Notice that you still need to use "nmi_watchdog=" parameter | ||
75 | at boot time. | ||
76 | |||
72 | NOTE: In kernels prior to 2.4.2-ac18 the NMI-oopser is enabled unconditionally | 77 | NOTE: In kernels prior to 2.4.2-ac18 the NMI-oopser is enabled unconditionally |
73 | on x86 SMP boxes. | 78 | on x86 SMP boxes. |
74 | 79 | ||
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 3cd2ad958176..394d7d378dc7 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt | |||
@@ -1063,6 +1063,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1063 | 1063 | ||
1064 | STAC9227/9228/9229/927x | 1064 | STAC9227/9228/9229/927x |
1065 | ref Reference board | 1065 | ref Reference board |
1066 | ref-no-jd Reference board without HP/Mic jack detection | ||
1066 | 3stack D965 3stack | 1067 | 3stack D965 3stack |
1067 | 5stack D965 5stack + SPDIF | 1068 | 5stack D965 5stack + SPDIF |
1068 | dell-3stack Dell Dimension E520 | 1069 | dell-3stack Dell Dimension E520 |
@@ -1076,6 +1077,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1076 | 1077 | ||
1077 | STAC92HD73* | 1078 | STAC92HD73* |
1078 | ref Reference board | 1079 | ref Reference board |
1080 | no-jd BIOS setup but without jack-detection | ||
1079 | dell-m6-amic Dell desktops/laptops with analog mics | 1081 | dell-m6-amic Dell desktops/laptops with analog mics |
1080 | dell-m6-dmic Dell desktops/laptops with digital mics | 1082 | dell-m6-dmic Dell desktops/laptops with digital mics |
1081 | dell-m6 Dell desktops/laptops with both type of mics | 1083 | dell-m6 Dell desktops/laptops with both type of mics |
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index 83c0033ee9e0..fcdc62b3c3d8 100644 --- a/Documentation/x86/boot.txt +++ b/Documentation/x86/boot.txt | |||
@@ -349,7 +349,7 @@ Protocol: 2.00+ | |||
349 | 3 SYSLINUX | 349 | 3 SYSLINUX |
350 | 4 EtherBoot | 350 | 4 EtherBoot |
351 | 5 ELILO | 351 | 5 ELILO |
352 | 7 GRuB | 352 | 7 GRUB |
353 | 8 U-BOOT | 353 | 8 U-BOOT |
354 | 9 Xen | 354 | 9 Xen |
355 | A Gujin | 355 | A Gujin |
@@ -537,8 +537,8 @@ Type: read | |||
537 | Offset/size: 0x248/4 | 537 | Offset/size: 0x248/4 |
538 | Protocol: 2.08+ | 538 | Protocol: 2.08+ |
539 | 539 | ||
540 | If non-zero then this field contains the offset from the end of the | 540 | If non-zero then this field contains the offset from the beginning |
541 | real-mode code to the payload. | 541 | of the protected-mode code to the payload. |
542 | 542 | ||
543 | The payload may be compressed. The format of both the compressed and | 543 | The payload may be compressed. The format of both the compressed and |
544 | uncompressed data should be determined using the standard magic | 544 | uncompressed data should be determined using the standard magic |
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt index f6d561a1a9b2..34c13040a718 100644 --- a/Documentation/x86/x86_64/boot-options.txt +++ b/Documentation/x86/x86_64/boot-options.txt | |||
@@ -79,17 +79,6 @@ Timing | |||
79 | Report when timer interrupts are lost because some code turned off | 79 | Report when timer interrupts are lost because some code turned off |
80 | interrupts for too long. | 80 | interrupts for too long. |
81 | 81 | ||
82 | nmi_watchdog=NUMBER[,panic] | ||
83 | NUMBER can be: | ||
84 | 0 don't use an NMI watchdog | ||
85 | 1 use the IO-APIC timer for the NMI watchdog | ||
86 | 2 use the local APIC for the NMI watchdog using a performance counter. Note | ||
87 | This will use one performance counter and the local APIC's performance | ||
88 | vector. | ||
89 | When panic is specified panic when an NMI watchdog timeout occurs. | ||
90 | This is useful when you use a panic=... timeout and need the box | ||
91 | quickly up again. | ||
92 | |||
93 | nohpet | 82 | nohpet |
94 | Don't use the HPET timer. | 83 | Don't use the HPET timer. |
95 | 84 | ||
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt index efce75097369..29b52b14d0b4 100644 --- a/Documentation/x86/x86_64/mm.txt +++ b/Documentation/x86/x86_64/mm.txt | |||
@@ -6,7 +6,7 @@ Virtual memory map with 4 level page tables: | |||
6 | 0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm | 6 | 0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm |
7 | hole caused by [48:63] sign extension | 7 | hole caused by [48:63] sign extension |
8 | ffff800000000000 - ffff80ffffffffff (=40 bits) guard hole | 8 | ffff800000000000 - ffff80ffffffffff (=40 bits) guard hole |
9 | ffff810000000000 - ffffc0ffffffffff (=46 bits) direct mapping of all phys. memory | 9 | ffff880000000000 - ffffc0ffffffffff (=57 TB) direct mapping of all phys. memory |
10 | ffffc10000000000 - ffffc1ffffffffff (=40 bits) hole | 10 | ffffc10000000000 - ffffc1ffffffffff (=40 bits) hole |
11 | ffffc20000000000 - ffffe1ffffffffff (=45 bits) vmalloc/ioremap space | 11 | ffffc20000000000 - ffffe1ffffffffff (=45 bits) vmalloc/ioremap space |
12 | ffffe20000000000 - ffffe2ffffffffff (=40 bits) virtual memory map (1TB) | 12 | ffffe20000000000 - ffffe2ffffffffff (=40 bits) virtual memory map (1TB) |