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authorDave Airlie <airlied@redhat.com>2011-03-14 00:15:13 -0400
committerDave Airlie <airlied@redhat.com>2011-03-14 00:15:13 -0400
commit34db18abd376b2075c760c38f0b861aed379415d (patch)
treec4174e39a2f445f17c25ab206d45c66217bbbf85 /Documentation/kernel-parameters.txt
parente73f88af66fcc50083fae4b7e1c39b469179a97a (diff)
parent47ae63e0c2e5fdb582d471dc906eb29be94c732f (diff)
Merge remote branch 'intel/drm-intel-next' of ../drm-next into drm-core-next
* 'intel/drm-intel-next' of ../drm-next: (755 commits) drm/i915: Only wait on a pending flip if we intend to write to the buffer drm/i915/dp: Sanity check eDP existence drm/i915: Rebind the buffer if its alignment constraints changes with tiling drm/i915: Disable GPU semaphores by default drm/i915: Do not overflow the MMADDR write FIFO Revert "drm/i915: fix corruptions on i8xx due to relaxed fencing" drm/i915: Don't save/restore hardware status page address register drm/i915: don't store the reg value for HWS_PGA drm/i915: fix memory corruption with GM965 and >4GB RAM Linux 2.6.38-rc7 Revert "TPM: Long default timeout fix" drm/i915: Re-enable GPU semaphores for SandyBridge mobile drm/i915: Replace vblank PM QoS with "Interrupt-Based AGPBUSY#" Revert "drm/i915: Use PM QoS to prevent C-State starvation of gen3 GPU" drm/i915: Allow relocation deltas outside of target bo drm/i915: Silence an innocuous compiler warning for an unused variable fs/block_dev.c: fix new kernel-doc warning ACPI: Fix build for CONFIG_NET unset mm: <asm-generic/pgtable.h> must include <linux/mm_types.h> x86: Use u32 instead of long to set reset vector back to 0 ... Conflicts: drivers/gpu/drm/i915/i915_gem.c
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt24
1 files changed, 16 insertions, 8 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 89835a4766a6..f4a04c0c7edc 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -144,6 +144,11 @@ a fixed number of characters. This limit depends on the architecture
144and is between 256 and 4096 characters. It is defined in the file 144and is between 256 and 4096 characters. It is defined in the file
145./include/asm/setup.h as COMMAND_LINE_SIZE. 145./include/asm/setup.h as COMMAND_LINE_SIZE.
146 146
147Finally, the [KMG] suffix is commonly described after a number of kernel
148parameter values. These 'K', 'M', and 'G' letters represent the _binary_
149multipliers 'Kilo', 'Mega', and 'Giga', equalling 2^10, 2^20, and 2^30
150bytes respectively. Such letter suffixes can also be entirely omitted.
151
147 152
148 acpi= [HW,ACPI,X86] 153 acpi= [HW,ACPI,X86]
149 Advanced Configuration and Power Interface 154 Advanced Configuration and Power Interface
@@ -545,16 +550,20 @@ and is between 256 and 4096 characters. It is defined in the file
545 Format: 550 Format:
546 <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] 551 <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>]
547 552
548 crashkernel=nn[KMG]@ss[KMG] 553 crashkernel=size[KMG][@offset[KMG]]
549 [KNL] Reserve a chunk of physical memory to 554 [KNL] Using kexec, Linux can switch to a 'crash kernel'
550 hold a kernel to switch to with kexec on panic. 555 upon panic. This parameter reserves the physical
556 memory region [offset, offset + size] for that kernel
557 image. If '@offset' is omitted, then a suitable offset
558 is selected automatically. Check
559 Documentation/kdump/kdump.txt for further details.
551 560
552 crashkernel=range1:size1[,range2:size2,...][@offset] 561 crashkernel=range1:size1[,range2:size2,...][@offset]
553 [KNL] Same as above, but depends on the memory 562 [KNL] Same as above, but depends on the memory
554 in the running system. The syntax of range is 563 in the running system. The syntax of range is
555 start-[end] where start and end are both 564 start-[end] where start and end are both
556 a memory unit (amount[KMG]). See also 565 a memory unit (amount[KMG]). See also
557 Documentation/kdump/kdump.txt for a example. 566 Documentation/kdump/kdump.txt for an example.
558 567
559 cs89x0_dma= [HW,NET] 568 cs89x0_dma= [HW,NET]
560 Format: <dma> 569 Format: <dma>
@@ -1262,10 +1271,9 @@ and is between 256 and 4096 characters. It is defined in the file
1262 6 (KERN_INFO) informational 1271 6 (KERN_INFO) informational
1263 7 (KERN_DEBUG) debug-level messages 1272 7 (KERN_DEBUG) debug-level messages
1264 1273
1265 log_buf_len=n Sets the size of the printk ring buffer, in bytes. 1274 log_buf_len=n[KMG] Sets the size of the printk ring buffer,
1266 Format: { n | nk | nM } 1275 in bytes. n must be a power of two. The default
1267 n must be a power of two. The default size 1276 size is set in the kernel config file.
1268 is set in the kernel config file.
1269 1277
1270 logo.nologo [FB] Disables display of the built-in Linux logo. 1278 logo.nologo [FB] Disables display of the built-in Linux logo.
1271 This may be used to provide more screen space for 1279 This may be used to provide more screen space for