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2008-02-08CRIS v32: Change name for simulator config in asm-cris/arch-v32/page.hJesper Nilsson1-2/+2
Also, fix a typo.
2008-02-08CRIS v32: Remove juliette.h, it is not supported for CRIS v32.Jesper Nilsson1-326/+0
2008-02-08CRIS v32: Add support for ETRAX FS and ARTPEC-3 for arch-v32/hwregs/eth_defs.hJesper Nilsson1-104/+98
- A couple of fields have changed name: reg_eth_rw_ga_lo.table -> tbl reg_eth_rw_ga_hi.table -> tbl reg_eth_rw_gen_ctrl.flow_ctrl_dis -> flow_ctrl - Add some new register fields. reg_eth_rw_gen_ctrl.gtxclk_out reg_eth_rw_gen_ctrl.phyrst_n reg_eth_rw_tr_ctrl.carrier_ext - max_size in reg_eth_rw_rec_ctrl had the wrong size. - Registers reg_eth_rw_mgm_ctrl and reg_eth_r_stat was reworked completely.
2008-02-08CRIS v32: Rename variable used in macro for arch-v32/hwregs/dma.hJesper Nilsson1-7/+6
The old name "r" would quite often produce warnings when other variables with the same name was shadowed. Rename it __x to make it more unlikely to happen.
2008-02-08CRIS v32: Remove useless CVS id tag from arch-v32/hwregs/MakefileJesper Nilsson1-1/+0
2008-02-08CRIS v32: Add defines for udelay and ndelay in arch-v32/delay.hJesper Nilsson1-0/+10
Both of these are implemented using cris_delay10ns().
2008-02-08CRIS v32: Adjust arch-v32/atomic.h for new spinlock/rwlock infrastructureJesper Nilsson1-5/+5
2008-02-08CRIS v32: Add missing header to include/asm-cris/arch-v32/KbuildJesper Nilsson1-0/+1
2008-02-08CRIS: Break long comment line in include/asm-cris/arch-v10/page.hJesper Nilsson1-2/+2
2008-02-08CRIS: Rename LED macros to CRIS_LED to avoid name clash in io.hJesper Nilsson2-72/+77
This is done to avoid collision with linux/leds.h
2008-02-08CRIS: Add missing headers to include/asm-cris Kbuild files.Jesper Nilsson2-1/+7
2008-02-08CRIS: Add support for ETRAX FS and ARTPEC-3 to etraxgpio.hJesper Nilsson1-18/+94
The CRIS v32 architectures have more gpio ports and built in PWM.
2008-02-08CRIS: Fix bugs in return value of atomic_inc_return and atomic_dec_return.Jesper Nilsson1-2/+2
Increment and decrement before assigning to return value.
2008-02-08CRIS: Allow arch dependent delay to override common version.Jesper Nilsson1-0/+3
2008-02-08CRIS: Include arch dependent bug.h.Jesper Nilsson1-1/+1
2008-02-08CRIS: Correct pfn_pte to make it possible to ioremap uncached addresses.Jesper Nilsson1-1/+1
2008-02-08CRIS: Correct comment in io.h to describe reality of I/O space.Jesper Nilsson1-2/+2
The old comment stated that it was "junk needed for the arch-independent code but which we never use in the CRIS port", but this is no longer true.
2008-02-08CRIS: Update cpu_possible_map and raw_smp_processor_id in smp.h header.Jesper Nilsson1-2/+2
- Change name of __smp_processor_id to raw_smp_processor_id. - cpu_possible_map is no longer a define for phys_cpu_present_map, it is now a cpumask_t.
2008-02-08CRIS v10: Cleanup rtc.hJesper Nilsson1-20/+21
- Change RTC_VLOW_RD -> RTC_VL_READ, RTC_VLOW_SET -> RTC_VL_CLR - Whitespace and formatting.
2008-02-08CRIS: Add architecture dependent bug.h for CRIS v10 and CRIS v32Jesper Nilsson2-0/+99
2008-02-08CRIS v32: Minor fixes for io.hJesper Nilsson1-15/+55
- Shorten include paths for machine dependent header files. - Add volatile to hardeware register pointers. - Add spinlocks around critical region. - Expand macros for handling of leds.
2008-02-08CRIS v32: Include path fix for timex.hJesper Nilsson1-4/+4
- Shorten include path for machine dependent header files. - Correct some formatting issues.
2008-02-08CRIS: Remove define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORYJesper Nilsson1-11/+0
2008-02-08CRIS v32: Add headers for EtraxFS and Artpec-3 chips.Jesper Nilsson1-0/+3
2008-02-08CRIS v32: Add prototypes for cache flushingJesper Nilsson1-0/+11
We need these to work around some cache bugs in CRISv32 chips.
2008-02-08CRIS v32: Update asm-cris/arch-v32/irq.h for ETRAX FS and ARTPEC-3Jesper Nilsson1-5/+10
- Correct include to use <> - Rework calculation of number of IRQs and exceptions we have. - Remove useless "mask" argument to BUILD_IRQ macro
2008-02-08CRIS: Merge axisflashmap.h with Axis internal changes.Jesper Nilsson1-12/+27
- Add partition table struct to be used to parse partition table in flash. - Add JFFS2 as a type, and add readoly flag. - Improve some comments. - Lindent has been run, fixing whitespace and formatting issues.
2008-02-08CRIS v32: Add SECOND_WORD_SYNC, used in sync_serial.Jesper Nilsson1-0/+1
2008-02-08CRIS v32: Add hardware dependent include files and defconfigs for ETRAX FS ↵Jesper Nilsson63-0/+18462
and ARTPEC-3 chips. The header files describe the hardware registers available in both these chips, note that most of this documentation is automatically generated from the hardware implementation.
2008-02-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dmLinus Torvalds2-41/+11
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: (44 commits) dm raid1: report fault status dm raid1: handle read failures dm raid1: fix EIO after log failure dm raid1: handle recovery failures dm raid1: handle write failures dm snapshot: combine consecutive exceptions in memory dm: stripe enhanced status return dm: stripe trigger event on failure dm log: auto load modules dm: move deferred bio flushing to workqueue dm crypt: use async crypto dm crypt: prepare async callback fn dm crypt: add completion for async dm crypt: add async request mempool dm crypt: extract scatterlist processing dm crypt: tidy io ref counting dm crypt: introduce crypt_write_io_loop dm crypt: abstract crypt_write_done dm crypt: store sector mapping in dm_crypt_io dm crypt: move queue functions ...
2008-02-08Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6Linus Torvalds2-36/+3
* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6: (59 commits) hwmon: (lm80) Add individual alarm files hwmon: (lm80) De-macro the sysfs callbacks hwmon: (lm80) Various cleanups hwmon: (w83627hf) Refactor beep enable handling hwmon: (w83627hf) Add individual alarm and beep files hwmon: (w83627hf) Enable VBAT monitoring hwmon: (w83627ehf) The W83627DHG has 8 VID pins hwmon: (asb100) Add individual alarm files hwmon: (asb100) De-macro the sysfs callbacks hwmon: (asb100) Various cleanups hwmon: VRM is not written to registers hwmon: (dme1737) fix Super-IO device ID override hwmon: (dme1737) fix divide-by-0 hwmon: (abituguru3) Add AUX4 fan input for Abit IP35 Pro hwmon: Add support for Texas Instruments/Burr-Brown ADS7828 hwmon: (adm9240) Add individual alarm files hwmon: (lm77) Add individual alarm files hwmon: Discard useless I2C driver IDs hwmon: (lm85) Make the pwmN_enable files writable hwmon: (lm85) Return standard values in pwmN_enable ...
2008-02-08Merge branch 'slub-linus' of ↵Linus Torvalds2-1/+27
git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm * 'slub-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm: SLUB: fix checkpatch warnings Use non atomic unlock SLUB: Support for performance statistics SLUB: Alternate fast paths using cmpxchg_local SLUB: Use unique end pointer for each slab page. SLUB: Deal with annoying gcc warning on kfree()
2008-02-08dm: table remove unused variableVasily Averin1-9/+9
Save some bytes. Signed-off-by: Vasily Averin <vvs@sw.ru> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-02-08dm ioctl: move compat codeMilan Broz1-32/+2
Move compat_ioctl handling into dm-ioctl.c. Signed-off-by: Milan Broz <mbroz@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-02-08SLUB: Support for performance statisticsChristoph Lameter1-0/+23
The statistics provided here allow the monitoring of allocator behavior but at the cost of some (minimal) loss of performance. Counters are placed in SLUB's per cpu data structure. The per cpu structure may be extended by the statistics to grow larger than one cacheline which will increase the cache footprint of SLUB. There is a compile option to enable/disable the inclusion of the runtime statistics and its off by default. The slabinfo tool is enhanced to support these statistics via two options: -D Switches the line of information displayed for a slab from size mode to activity mode. -A Sorts the slabs displayed by activity. This allows the display of the slabs most important to the performance of a certain load. -r Report option will report detailed statistics on Example (tbench load): slabinfo -AD ->Shows the most active slabs Name Objects Alloc Free %Fast skbuff_fclone_cache 33 111953835 111953835 99 99 :0000192 2666 5283688 5281047 99 99 :0001024 849 5247230 5246389 83 83 vm_area_struct 1349 119642 118355 91 22 :0004096 15 66753 66751 98 98 :0000064 2067 25297 23383 98 78 dentry 10259 28635 18464 91 45 :0000080 11004 18950 8089 98 98 :0000096 1703 12358 10784 99 98 :0000128 762 10582 9875 94 18 :0000512 184 9807 9647 95 81 :0002048 479 9669 9195 83 65 anon_vma 777 9461 9002 99 71 kmalloc-8 6492 9981 5624 99 97 :0000768 258 7174 6931 58 15 So the skbuff_fclone_cache is of highest importance for the tbench load. Pretty high load on the 192 sized slab. Look for the aliases slabinfo -a | grep 000192 :0000192 <- xfs_btree_cur filp kmalloc-192 uid_cache tw_sock_TCP request_sock_TCPv6 tw_sock_TCPv6 skbuff_head_cache xfs_ili Likely skbuff_head_cache. Looking into the statistics of the skbuff_fclone_cache is possible through slabinfo skbuff_fclone_cache ->-r option implied if cache name is mentioned .... Usual output ... Slab Perf Counter Alloc Free %Al %Fr -------------------------------------------------- Fastpath 111953360 111946981 99 99 Slowpath 1044 7423 0 0 Page Alloc 272 264 0 0 Add partial 25 325 0 0 Remove partial 86 264 0 0 RemoteObj/SlabFrozen 350 4832 0 0 Total 111954404 111954404 Flushes 49 Refill 0 Deactivate Full=325(92%) Empty=0(0%) ToHead=24(6%) ToTail=1(0%) Looks good because the fastpath is overwhelmingly taken. skbuff_head_cache: Slab Perf Counter Alloc Free %Al %Fr -------------------------------------------------- Fastpath 5297262 5259882 99 99 Slowpath 4477 39586 0 0 Page Alloc 937 824 0 0 Add partial 0 2515 0 0 Remove partial 1691 824 0 0 RemoteObj/SlabFrozen 2621 9684 0 0 Total 5301739 5299468 Deactivate Full=2620(100%) Empty=0(0%) ToHead=0(0%) ToTail=0(0%) Descriptions of the output: Total: The total number of allocation and frees that occurred for a slab Fastpath: The number of allocations/frees that used the fastpath. Slowpath: Other allocations Page Alloc: Number of calls to the page allocator as a result of slowpath processing Add Partial: Number of slabs added to the partial list through free or alloc (occurs during cpuslab flushes) Remove Partial: Number of slabs removed from the partial list as a result of allocations retrieving a partial slab or by a free freeing the last object of a slab. RemoteObj/Froz: How many times were remotely freed object encountered when a slab was about to be deactivated. Frozen: How many times was free able to skip list processing because the slab was in use as the cpuslab of another processor. Flushes: Number of times the cpuslab was flushed on request (kmem_cache_shrink, may result from races in __slab_alloc) Refill: Number of times we were able to refill the cpuslab from remotely freed objects for the same slab. Deactivate: Statistics how slabs were deactivated. Shows how they were put onto the partial list. In general fastpath is very good. Slowpath without partial list processing is also desirable. Any touching of partial list uses node specific locks which may potentially cause list lock contention. Signed-off-by: Christoph Lameter <clameter@sgi.com>
2008-02-08SLUB: Use unique end pointer for each slab page.Christoph Lameter1-1/+4
We use a NULL pointer on freelists to signal that there are no more objects. However the NULL pointers of all slabs match in contrast to the pointers to the real objects which are in different ranges for different slab pages. Change the end pointer to be a pointer to the first object and set bit 0. Every slab will then have a different end pointer. This is necessary to ensure that end markers can be matched to the source slab during cmpxchg_local. Bring back the use of the mapping field by SLUB since we would otherwise have to call a relatively expensive function page_address() in __slab_alloc(). Use of the mapping field allows avoiding a call to page_address() in various other functions as well. There is no need to change the page_mapping() function since bit 0 is set on the mapping as also for anonymous pages. page_mapping(slab_page) will therefore still return NULL although the mapping field is overloaded. Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-02-08hwmon: Discard useless I2C driver IDsJean Delvare1-33/+0
Many I2C hwmon drivers define a driver ID but no other code references these, meaning that they are useless. Discard them, along with a few IDs which are defined but never used at all. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2008-02-08hwmon: (w83781d) Misc cleanupsJean Delvare1-1/+0
* Drop unused defines * Drop unused driver ID * Remove trailing whitespace Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2008-02-08hwmon: (gl520sm) Various cleanupsJean Delvare1-1/+0
* Drop trailing spaces * Drop unused driver ID * Drop stray backslashes in macros * Rename new_client to client * Drop redundant initializations to 0 Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2008-02-08hwmon: (gl518sm) Various cleanupsJean Delvare1-1/+0
* Drop history, it doesn't belong there * Drop unused struct member * Drop bogus struct member comment * Drop unused driver ID * Rename new_client to client * Drop redundant initializations to 0 * Drop useless cast * Drop trailing space * Fix comment * Drop duplicate comment Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2008-02-08dmi: Let drivers walk the DMI tableJean Delvare1-0/+3
Let drivers walk the DMI table for their own needs. Some drivers need data stored in OEM-specific DMI records for proper operation. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
2008-02-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds6-44/+220
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (48 commits) [SCSI] aacraid: do not set valid bit in sense information [SCSI] ses: add new Enclosure ULD [SCSI] enclosure: add support for enclosure services [SCSI] sr: fix test unit ready responses [SCSI] u14-34f: fix data direction bug [SCSI] aacraid: pci_set_dma_max_seg_size opened up for late model controllers [SCSI] fix BUG when sum(scatterlist) > bufflen [SCSI] arcmsr: updates (1.20.00.15) [SCSI] advansys: make 3 functions static [SCSI] Small cleanups for scsi_host.h [SCSI] dc395x: fix uninitialized var warning [SCSI] NCR53C9x: remove driver [SCSI] remove m68k NCR53C9x based drivers [SCSI] dec_esp: Remove driver [SCSI] kernel-doc: fix scsi docbook [SCSI] update my email address [SCSI] add protocol definitions [SCSI] sd: handle bad lba in sense information [SCSI] qla2xxx: Update version number to 8.02.00-k8. [SCSI] qla2xxx: Correct issue where incorrect init-fw mailbox command was used on non-NPIV capable ISPs. ...
2008-02-08[SCSI] enclosure: add support for enclosure servicesJames Bottomley1-0/+129
The enclosure misc device is really just a library providing sysfs support for physical enclosure devices and their components. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-08[SCSI] Small cleanups for scsi_host.hPavel Machek1-19/+25
Small cleanups in scsi_host.h. Few #defines make me wonder if their description is still up to date..? Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-08[SCSI] add protocol definitionsJames Bottomley1-0/+14
A lot of SCSI command replies have a protocol ID field. Add definitions for the interpretation of that from SPC-3. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-08[SCSI] libiscsi: fix session age rollover and remove cid encodingMike Christie2-4/+2
The session age mask is only 4 bits, but session->age is 32. When it gets larger then 15 and we try to or the bits some bits get dropped and the check for session age in iscsi_verify_itt is useless. The ISCSI_CID_MASK related bits are also useless since cid is always one. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-08[SCSI] iscsi: fix up iscsi printk prefixMike Christie2-0/+13
Some iscsi class messages have the dev_printk prefix and some libiscsi and iscsi_tcp messages have "iscsi" or the module name as a prefix which is normally pretty useless when trying to figure out which session or connection the message is attached to. This patch adds iscsi lib and class dev_printks so all messages have a common prefix that can be used to figure out which object printed it. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-08[SCSI] iscsi class: add async scan helperMike Christie1-1/+2
In qla4xxx's probe it will call the iscsi session setup functions for session that got setup on the initial start. This then makes it easy for the iscsi class to export a helper which indicates when those scans are done. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-08[SCSI] iscsi class: add session scanningMike Christie1-3/+4
This just adds iscsi session scanning which works like fc rport scanning. The future patches will hook the drivers into Mathew Wilcox's async scanning infrastructure, so userspace does not have to special case iscsi and so userspace does not have to make a extra special case for hardware iscsi root scanning. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-08[SCSI] iscsi class, libiscsi: add iscsi sysfs session state fileMike Christie2-15/+31
This adds a iscsi session state file which exports the session state for both software and hardware iscsi. It also hooks libiscsi in. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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