linux-2.6
19 years ago[PATCH] I2O: second code cleanup of sparse warnings and unneeded syncronization
Markus Lidel [Fri, 24 Jun 2005 05:02:21 +0000 (22:02 -0700)] 
[PATCH] I2O: second code cleanup of sparse warnings and unneeded syncronization

Changes:
 - Added header "core.h" for i2o_core.ko internal definitions
 - More sparse fixes
 - Changed display of TID's in sysfs attributes from XXX to 0xXXX
 - Use the right functions for accessing I/O and normal memory
 - Removed error handling of SCSI device errors and let the SCSI layer
   take care of it
 - Added new device / removed device handling to SCSI-OSM
 - Make status access volatile
 - Cleaned up activation of I2O controller
 - Removed unnecessary wmb() and rmb() calls
 - Use own struct i2o_io for I/O memory instead of struct i2o_dma

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] I2O: Adaptec specific SG_IO access, firmware access through sysfs and 2400A...
Markus Lidel [Fri, 24 Jun 2005 05:02:19 +0000 (22:02 -0700)] 
[PATCH] I2O: Adaptec specific SG_IO access, firmware access through sysfs and 2400A workaround

Changes:
 - Provide SG_IO access to BLOCK and EXECUTIVE class on Adaptec
   controllers
 - Use PRIVATE messages in SCSI-OSM because on some controllers normal
   SCSI class commands like READ or READ CAPACITY cause errors
 - Use new DMA and SG list creation function
 - Added workaround to limit sectors per request for Adaptec 2400A
   controllers

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] I2O: new sysfs attributes and Adaptec specific block device access and 64...
Markus Lidel [Fri, 24 Jun 2005 05:02:16 +0000 (22:02 -0700)] 
[PATCH] I2O: new sysfs attributes and Adaptec specific block device access and 64-bit DMA support

Changes:
 - Added Bus-OSM which could be used by user space programs to reset a
   channel on the controller
 - Make ioctl's in Config-OSM obsolete in prefer for sysfs attributes and
   move those to its own file
 - Added sysfs attribute for firmware read and write access for I2O
   controllers
 - Added special handling of firmware read and write access for Adaptec
   controllers
 - Added vendor id and product id as sysfs-attribute to Executive classes
 - Added automatic notification of LCT change handling to Exec-OSM
 - Added flushing function to Block-OSM for later barrier implementation
 - Use PRIVATE messages for Block access on Adaptec controllers, which are
   faster then BLOCK class access
 - Cleaned up support for Promise controller
 - New messages are now detected using the IRQ status register as
   suggested by the I2O spec
 - Added i2o_dma_high() and i2o_dma_low() functions
 - Added facility for SG tablesize calculation when using 32-bit and
   64-bit DMA addresses
 - Added i2o_dma_map_single() and i2o_dma_map_sg() which could build the
   SG list for 32-bit as well as 64-bit DMA addresses

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] I2O: first code cleanup of spare warnings and unused functions
Markus Lidel [Fri, 24 Jun 2005 05:02:14 +0000 (22:02 -0700)] 
[PATCH] I2O: first code cleanup of spare warnings and unused functions

Changes:

 - Removed unnecessary checking of NULL before calling kfree()
 - Make some functions static
 - Changed pr_debug() into osm_debug()
 - Use i2o_msg_in_to_virt() for getting a pointer to the message frame
 - Cleaned up some comments
 - Changed some le32_to_cpu() into readl() where necessary
 - Make error messages of OSM's look the same
 - Cleaned up error handling in i2o_block_end_request()
 - Removed unused error handling of failed messages in Block-OSM, which
   are not allowed by the I2O spec
 - Corrected the blocksize detection in i2o_block
 - Added hrt and lct sysfs-attribute to controller
 - Call done() function in SCSI-OSM after freeing DMA buffers
 - Removed unneeded variable for message size calculation in
   i2o_scsi_queuecommand()
 - Make some changes to remove sparse warnings
 - Reordered some functions
 - Cleaned up controller initialization
 - Replaced some magic numbers by defines
 - Removed unnecessary dma_sync_single_for_cpu() call on coherent DMA
 - Removed some unused fields in i2o_controller and removed some unused
   functions

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] I2O: bugfixes and compability enhancements
Markus Lidel [Fri, 24 Jun 2005 05:02:11 +0000 (22:02 -0700)] 
[PATCH] I2O: bugfixes and compability enhancements

Changes:

 - Fixed sysfs bug where user and parent links where added to the I2O
   device itself
 - Fixed bug when calculating TID for the event handler and cleaned up the
   workflow of i2o_driver_dispatch()
 - Fixed oops when no I2O device could be found for an event delivered to
   Exec-OSM
 - Fixed initialization of spinlock in Exec-OSM
 - Fixed memory leak in i2o_cfg_passthru() and i2o_cfg_passthru()
 - Removed MTRR support
 - Added PCI ID of Promise SX6000 with firmware >= 1.20.x.x
 - Turn of caching for ioremapped memory of in_queue
 - Added initialization sequence for Promise controllers
 - Moved definition of u8 / u16 / u32 for raidutils before first use

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: improve output in sysfs files when the TPM fails
Kylene Jo Hall [Fri, 24 Jun 2005 05:02:10 +0000 (22:02 -0700)] 
[PATCH] tpm: improve output in sysfs files when the TPM fails

Since after reconsideration this is more debug output than an error (the
TPM is operating correctly given the current state) I have changed the
statements to dbg rather than err.

Also this patch corrects a memory leak if the error path is taken in the
tpm_show_pubek function.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: add debugging output
Kylene Hall [Fri, 24 Jun 2005 05:02:08 +0000 (22:02 -0700)] 
[PATCH] tpm: add debugging output

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: replace odd LPC init function
Kylene Hall [Fri, 24 Jun 2005 05:02:06 +0000 (22:02 -0700)] 
[PATCH] tpm: replace odd LPC init function

Realized the tpm_lpc_init function isn't really necessary.  Replaced it
with vendor specific logic to find out the address the BIOS mapped the TPM
to.  This patch removes the tpm_lpc_init function, enums associated with it
and calls to it.  The patch also implements the replacement functionality.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: TPMs on additional LPC bus
Kylene Hall [Fri, 24 Jun 2005 05:02:04 +0000 (22:02 -0700)] 
[PATCH] tpm: TPMs on additional LPC bus

Add support for TPMs on additional LPC buses.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: locking fixes
Kylene Hall [Fri, 24 Jun 2005 05:02:03 +0000 (22:02 -0700)] 
[PATCH] tpm: locking fixes

Add a missing lock in the register hardware and fix a misplaced lock release
release.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: add cancel function
Kylene Hall [Fri, 24 Jun 2005 05:02:02 +0000 (22:02 -0700)] 
[PATCH] tpm: add cancel function

This patch provides the logic to check if an operation has been canceled while
waiting for the response to arrive.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: sysfs owernship changes
Kylene Hall [Fri, 24 Jun 2005 05:02:00 +0000 (22:02 -0700)] 
[PATCH] tpm: sysfs owernship changes

In the current driver all sysfs files end up owned by the base driver module
rather than the module that actually owns the device this is a problem if the
module is unloaded and the file is open.  This patch fixes all that and lumps
the files into an attribute_group.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Yani Ioannou <yani.ioannou@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: remove unnecessary __force
Kylene Hall [Fri, 24 Jun 2005 05:01:59 +0000 (22:01 -0700)] 
[PATCH] tpm: remove unnecessary __force

Remove the unnecessary use of __force.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: use to_pci_dev
Kylene Hall [Fri, 24 Jun 2005 05:01:57 +0000 (22:01 -0700)] 
[PATCH] tpm: use to_pci_dev

Changes the container_of calls to 'to_pci_dev' as suggested previously.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: fix timer initialization
Kylene Hall [Fri, 24 Jun 2005 05:01:56 +0000 (22:01 -0700)] 
[PATCH] tpm: fix timer initialization

Fix the timer to be inited and modified properly.  This work depends on the
fixing of the msleep stuff which in patch 1 of this set.

Signed-of-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: large stack objects
Kylene Hall [Fri, 24 Jun 2005 05:01:54 +0000 (22:01 -0700)] 
[PATCH] tpm: large stack objects

Remove some large objects be declared on the the stack.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: read return code issue
Kylene Hall [Fri, 24 Jun 2005 05:01:53 +0000 (22:01 -0700)] 
[PATCH] tpm: read return code issue

Replace an erroneous return code for the read function when no data is
available.

Signed-of-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: remove unnecessary module stuff
Kylene Hall [Fri, 24 Jun 2005 05:01:51 +0000 (22:01 -0700)] 
[PATCH] tpm: remove unnecessary module stuff

Description: Remove unnecessary (empty) module definitions.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: address missing const defs
Kylene Hall [Fri, 24 Jun 2005 05:01:50 +0000 (22:01 -0700)] 
[PATCH] tpm: address missing const defs

Add "const" to several static arrays that were missing it in their
definitions.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] tpm: Fix concerns with TPM driver -- use enums
Kylene Hall [Fri, 24 Jun 2005 05:01:48 +0000 (22:01 -0700)] 
[PATCH] tpm: Fix concerns with TPM driver -- use enums

Convert #defines to named enums where that preference has been indicated by
other kernel developers.

Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] char/tpm: use msleep(), clean-up timers,
Nishanth Aravamudan [Fri, 24 Jun 2005 05:01:47 +0000 (22:01 -0700)] 
[PATCH] char/tpm: use msleep(), clean-up timers,

The TPM driver unnecessarily uses timers when it simply needs to maintain a
maximum delay via time_before().  msleep() is used instead of
schedule_timeout() to guarantee the task delays as expected.  While
compile-testing, I found a typo in the driver, using tpm_chp instead of
tpm_chip.  Remove the now unused timer callback function and change
TPM_TIMEOUT's units to milliseconds.  Patch is compile-tested.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Acked-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] ipmi: add 32-bit ioctl translations for 64-bit platforms
Andrew Morton [Fri, 24 Jun 2005 05:01:45 +0000 (22:01 -0700)] 
[PATCH] ipmi: add 32-bit ioctl translations for 64-bit platforms

\r)

From: Corey Minyard <minyard@acm.org>

This contains the patch for supporting 32-bit compatible ioctls on x86_64
systems.  The current x86_64 driver will not work with 32-bit applications.

Signed-off-by: Jordan Hargave <jordan_hargrave@dell.com>
Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] ipmi: use completions, not semaphores, in powerdown code
Corey Minyard [Fri, 24 Jun 2005 05:01:44 +0000 (22:01 -0700)] 
[PATCH] ipmi: use completions, not semaphores, in powerdown code

Don't use semaphores for IPC in the poweroff code, use completions instead.

Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] ipmi: add power cycle capability
Corey Minyard [Fri, 24 Jun 2005 05:01:42 +0000 (22:01 -0700)] 
[PATCH] ipmi: add power cycle capability

This patch to adds "power cycle" functionality to the IPMI power off module
ipmi_poweroff.  It also contains changes to support procfs control of the
feature.

The power cycle action is considered an optional chassis control in the IPMI
specification.  However, it is definitely useful when the hardware supports
it.  A power cycle is usually required in order to reset a firmware in a bad
state.  This action is critical to allow remote management of servers.

The implementation adds power cycle as optional to the ipmi_poweroff module.
It can be modified dynamically through the proc entry mentioned above.  During
a power down and enabled, the power cycle command is sent to the BMC firmware.
 If it fails either due to non-support or some error, it will retry to send
the command as power off.

Signed-off-by: Christopher A. Poblete <Chris_Poblete@dell.com>
Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] ipmi: timer shutdown cleanup
Corey Minyard [Fri, 24 Jun 2005 05:01:40 +0000 (22:01 -0700)] 
[PATCH] ipmi: timer shutdown cleanup

Clean up the timer shutdown handling in the IPMI driver.

Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] ipmi: doc updates
Corey Minyard [Fri, 24 Jun 2005 05:01:39 +0000 (22:01 -0700)] 
[PATCH] ipmi: doc updates

This cleans up the IPMI documentation to fix some problems and make it more
accurate for the current drivers.

Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Make reiserfs BUG on too big transaction
Jan Kara [Fri, 24 Jun 2005 05:01:37 +0000 (22:01 -0700)] 
[PATCH] Make reiserfs BUG on too big transaction

Make reiserfs BUG() when somebody tries to start a larger transaction than
it's allowed (currently the code just silently deadlocks).

Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 8
Chris Zankel [Fri, 24 Jun 2005 05:01:33 +0000 (22:01 -0700)] 
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 8

The attached patches provides part 8 of an architecture implementation
for the Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 7
Chris Zankel [Fri, 24 Jun 2005 05:01:30 +0000 (22:01 -0700)] 
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 7

The attached patches provides part 7 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 6
Chris Zankel [Fri, 24 Jun 2005 05:01:26 +0000 (22:01 -0700)] 
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 6

The attached patches provides part 6 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 5
Chris Zankel [Fri, 24 Jun 2005 05:01:24 +0000 (22:01 -0700)] 
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 5

The attached patches provides part 5 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 4
Chris Zankel [Fri, 24 Jun 2005 05:01:20 +0000 (22:01 -0700)] 
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 4

The attached patches provides part 4 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 3
Chris Zankel [Fri, 24 Jun 2005 05:01:16 +0000 (22:01 -0700)] 
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 3

The attached patches provides part 3 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 2
Chris Zankel [Fri, 24 Jun 2005 05:01:12 +0000 (22:01 -0700)] 
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 2

The attached patches provides part 2 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 1
Chris Zankel [Fri, 24 Jun 2005 05:01:10 +0000 (22:01 -0700)] 
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 1

The attached patches provides part 1 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] xtensa: Tensilica Xtensa CPU arch maintainer record
Chris Zankel [Fri, 24 Jun 2005 05:01:07 +0000 (22:01 -0700)] 
[PATCH] xtensa: Tensilica Xtensa CPU arch maintainer record

Start of a patch series which adds support for the xtensa architecture to
Linux.

The Xtensa architecture is highly configurable and usually buried inside an
SOC device.  So, if you buy a new printer, digital camera, or cell phone,
there is a chance that there is an Xtensa inside even though you don't know it
(sometimes as a small audio-engine or as a control CPU).  Linux hasn't been
adopted widely with Xtensa yet, but with Linux growing in the embedded space,
I am sure it will become much more important.

The attached patch supplies the maintainer record for an architecture
implementation for the Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] quota: reiserfs: improve quota credit estimates
Jan Kara [Fri, 24 Jun 2005 05:01:06 +0000 (22:01 -0700)] 
[PATCH] quota: reiserfs: improve quota credit estimates

Use improved credits estimates for quota operations.  Also reserve space
for a quota operation in a transaction only if filesystem was mounted with
some quota option.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] quota: ext3: Improve quota credit estimates
Jan Kara [Fri, 24 Jun 2005 05:01:04 +0000 (22:01 -0700)] 
[PATCH] quota: ext3: Improve quota credit estimates

Use improved credits estimates for quota operations.  Also reserve a space
for a quota operation in a transaction only if filesystem was mounted with
some quota options.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] quota: improve credits estimates
Jan Kara [Fri, 24 Jun 2005 05:01:03 +0000 (22:01 -0700)] 
[PATCH] quota: improve credits estimates

Improve estimates on the number of needed credits for quota transaction.
Now we distinguish blocks that might need to be allocated and blocks that
only need to be rewritten.  Also we distinguish deleting of a quota
structure and creating of a new one.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] reiserfs: add checking of journal_begin() return value
Jan Kara [Fri, 24 Jun 2005 05:01:01 +0000 (22:01 -0700)] 
[PATCH] reiserfs: add checking of journal_begin() return value

Check return values of journal_begin() and journal_end() in the quota code
for reiserfs.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] pass iocb to dio_iodone_t
Christoph Hellwig [Fri, 24 Jun 2005 05:00:59 +0000 (22:00 -0700)] 
[PATCH] pass iocb to dio_iodone_t

XFS will have to look at iocb->private to fix aio+dio.  No other filesystem
is using the blockdev_direct_IO* end_io callback.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] eCryptfs: export user key type
Michael Halcrow [Fri, 24 Jun 2005 05:00:58 +0000 (22:00 -0700)] 
[PATCH] eCryptfs: export user key type

Export this symbol to GPL modules for eCryptfs: an out-of-tree GPL'ed
filesystem.

Signed off by: Michael Halcrow <mhalcrow@us.ibm.com>

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Keys: Make request-key create an authorisation key
David Howells [Fri, 24 Jun 2005 05:00:56 +0000 (22:00 -0700)] 
[PATCH] Keys: Make request-key create an authorisation key

The attached patch makes the following changes:

 (1) There's a new special key type called ".request_key_auth".

     This is an authorisation key for when one process requests a key and
     another process is started to construct it. This type of key cannot be
     created by the user; nor can it be requested by kernel services.

     Authorisation keys hold two references:

     (a) Each refers to a key being constructed. When the key being
       constructed is instantiated the authorisation key is revoked,
       rendering it of no further use.

     (b) The "authorising process". This is either:

       (i) the process that called request_key(), or:

       (ii) if the process that called request_key() itself had an
            authorisation key in its session keyring, then the authorising
            process referred to by that authorisation key will also be
            referred to by the new authorisation key.

 This means that the process that initiated a chain of key requests
 will authorise the lot of them, and will, by default, wind up with
 the keys obtained from them in its keyrings.

 (2) request_key() creates an authorisation key which is then passed to
     /sbin/request-key in as part of a new session keyring.

 (3) When request_key() is searching for a key to hand back to the caller, if
     it comes across an authorisation key in the session keyring of the
     calling process, it will also search the keyrings of the process
     specified therein and it will use the specified process's credentials
     (fsuid, fsgid, groups) to do that rather than the calling process's
     credentials.

     This allows a process started by /sbin/request-key to find keys belonging
     to the authorising process.

 (4) A key can be read, even if the process executing KEYCTL_READ doesn't have
     direct read or search permission if that key is contained within the
     keyrings of a process specified by an authorisation key found within the
     calling process's session keyring, and is searchable using the
     credentials of the authorising process.

     This allows a process started by /sbin/request-key to read keys belonging
     to the authorising process.

 (5) The magic KEY_SPEC_*_KEYRING key IDs when passed to KEYCTL_INSTANTIATE or
     KEYCTL_NEGATE will specify a keyring of the authorising process, rather
     than the process doing the instantiation.

 (6) One of the process keyrings can be nominated as the default to which
     request_key() should attach new keys if not otherwise specified. This is
     done with KEYCTL_SET_REQKEY_KEYRING and one of the KEY_REQKEY_DEFL_*
     constants. The current setting can also be read using this call.

 (7) request_key() is partially interruptible. If it is waiting for another
     process to finish constructing a key, it can be interrupted. This permits
     a request-key cycle to be broken without recourse to rebooting.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-Off-By: Benoit Boissinot <benoit.boissinot@ens-lyon.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Keys: Use RCU to manage session keyring pointer
David Howells [Fri, 24 Jun 2005 05:00:53 +0000 (22:00 -0700)] 
[PATCH] Keys: Use RCU to manage session keyring pointer

The attached patch uses RCU to manage the session keyring pointer in struct
signal_struct.  This means that searching need not disable interrupts and get
a the sighand spinlock to access this pointer.  Furthermore, by judicious use
of rcu_read_(un)lock(), this patch also avoids the need to take and put
refcounts on the session keyring itself, thus saving on even more atomic ops.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Keys: Pass session keyring to call_usermodehelper()
David Howells [Fri, 24 Jun 2005 05:00:51 +0000 (22:00 -0700)] 
[PATCH] Keys: Pass session keyring to call_usermodehelper()

The attached patch makes it possible to pass a session keyring through to the
process spawned by call_usermodehelper().  This allows patch 3/3 to pass an
authorisation key through to /sbin/request-key, thus permitting better access
controls when doing just-in-time key creation.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] keys: Discard key spinlock and use RCU for key payload
David Howells [Fri, 24 Jun 2005 05:00:49 +0000 (22:00 -0700)] 
[PATCH] keys: Discard key spinlock and use RCU for key payload

The attached patch changes the key implementation in a number of ways:

 (1) It removes the spinlock from the key structure.

 (2) The key flags are now accessed using atomic bitops instead of
     write-locking the key spinlock and using C bitwise operators.

     The three instantiation flags are dealt with with the construction
     semaphore held during the request_key/instantiate/negate sequence, thus
     rendering the spinlock superfluous.

     The key flags are also now bit numbers not bit masks.

 (3) The key payload is now accessed using RCU. This permits the recursive
     keyring search algorithm to be simplified greatly since no locks need be
     taken other than the usual RCU preemption disablement. Searching now does
     not require any locks or semaphores to be held; merely that the starting
     keyring be pinned.

 (4) The keyring payload now includes an RCU head so that it can be disposed
     of by call_rcu(). This requires that the payload be copied on unlink to
     prevent introducing races in copy-down vs search-up.

 (5) The user key payload is now a structure with the data following it. It
     includes an RCU head like the keyring payload and for the same reason. It
     also contains a data length because the data length in the key may be
     changed on another CPU whilst an RCU protected read is in progress on the
     payload. This would then see the supposed RCU payload and the on-key data
     length getting out of sync.

     I'm tempted to drop the key's datalen entirely, except that it's used in
     conjunction with quota management and so is a little tricky to get rid
     of.

 (6) Update the keys documentation.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] ppc64: fix seccomp with 32-bit userland
Andrea Arcangeli [Fri, 24 Jun 2005 05:00:45 +0000 (22:00 -0700)] 
[PATCH] ppc64: fix seccomp with 32-bit userland

The seccomp check has to happen when entering the syscall and not when
exiting it or regs->gpr[0] contains garabge during signal handling in
ppc64_rt_sigreturn (this actually might be a bug too, but an orthogonal
one, since we really have to run the check before invoking the syscall and
not after it).

Signed-off-by: Andrea Arcangeli <andrea@cpushare.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years agoMerge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
Linus Torvalds [Fri, 24 Jun 2005 00:27:24 +0000 (17:27 -0700)] 
Merge /pub/scm/linux/kernel/git/aegl/linux-2.6

19 years agoMerge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Fri, 24 Jun 2005 00:26:31 +0000 (17:26 -0700)] 
Merge /pub/scm/linux/kernel/git/davem/net-2.6

19 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Fri, 24 Jun 2005 00:19:56 +0000 (17:19 -0700)] 
Merge master.kernel.org:/home/rmk/linux-2.6-arm

19 years agoMerge master.kernel.org:/home/rmk/linux-2.6-serial
Linus Torvalds [Thu, 23 Jun 2005 23:58:55 +0000 (16:58 -0700)] 
Merge master.kernel.org:/home/rmk/linux-2.6-serial

19 years ago[IA64] Fix pfn_to_nid() so the kernel compiles again for !CONFIG_DISCONTIGMEM.
David Mosberger-Tang [Thu, 23 Jun 2005 05:24:00 +0000 (22:24 -0700)] 
[IA64] Fix pfn_to_nid() so the kernel compiles again for !CONFIG_DISCONTIGMEM.

Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
19 years ago[PATCH] Serial: Bugs are not capabilities
Russell King [Thu, 23 Jun 2005 21:26:43 +0000 (22:26 +0100)] 
[PATCH] Serial: Bugs are not capabilities

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
19 years ago[PATCH] ARM: 2730/1: S3C2410 default configuration update
Ben Dooks [Thu, 23 Jun 2005 20:56:48 +0000 (21:56 +0100)] 
[PATCH] ARM: 2730/1: S3C2410 default configuration update

Patch from Ben Dooks

Add support for the DM9000 and bring default configuration
up-to-date with the latest 2.6.12 kernel release

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
19 years ago[PATCH] ARM: 2729/1: DM9000 platform support for S3C2410 machines (BAST, VR1000)
Ben Dooks [Thu, 23 Jun 2005 20:56:47 +0000 (21:56 +0100)] 
[PATCH] ARM: 2729/1: DM9000 platform support for S3C2410 machines (BAST, VR1000)

Patch from Ben Dooks

Add platform_device information for DM9000 chip(s) on the
Simtec BAST and the VR1000 board.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
19 years ago[PATCH] ARM: 2728/1: S3C2410 - fix constant warning on serial device name
Ben Dooks [Thu, 23 Jun 2005 20:56:46 +0000 (21:56 +0100)] 
[PATCH] ARM: 2728/1: S3C2410 - fix constant warning on serial device name

Patch from Ben Dooks

Remove warning of casting `const char *` to a `char *` type.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
19 years ago[PATCH] ARM: 2722/1: remove reliance on udivdi3 for nwfpe
Nicolas Pitre [Thu, 23 Jun 2005 20:56:46 +0000 (21:56 +0100)] 
[PATCH] ARM: 2722/1: remove reliance on udivdi3 for nwfpe

Patch from Nicolas Pitre

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
19 years ago[PATCH] ARM: 2721/1: remove reliance on udivdi3 for pxafb driver
Nicolas Pitre [Thu, 23 Jun 2005 20:56:45 +0000 (21:56 +0100)] 
[PATCH] ARM: 2721/1: remove reliance on udivdi3 for pxafb driver

Patch from Nicolas Pitre

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
19 years ago[TCP]: Add Scalable TCP congestion control module.
John Heffner [Thu, 23 Jun 2005 19:29:07 +0000 (12:29 -0700)] 
[TCP]: Add Scalable TCP congestion control module.

This patch implements Tom Kelly's Scalable TCP congestion control algorithm
for the modular framework.

The algorithm has some nice scaling properties, and has been used a fair bit
in research, though is known to have significant fairness issues, so it's not
really suitable for general purpose use.

Signed-off-by: John Heffner <jheffner@psc.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Add H-TCP congestion control module.
Baruch Even [Thu, 23 Jun 2005 19:28:11 +0000 (12:28 -0700)] 
[TCP]: Add H-TCP congestion control module.

H-TCP is a congestion control algorithm developed at the Hamilton Institute, by
Douglas Leith and Robert Shorten. It is extending the standard Reno algorithm
with mode switching is thus a relatively simple modification.

H-TCP is defined in a layered manner as it is still a research platform. The
basic form includes the modification of beta according to the ratio of maxRTT
to min RTT and the alpha=2*factor*(1-beta) relation, where factor is dependant
on the time since last congestion.

The other layers improve convergence by adding appropriate factors to alpha.

The following patch implements the H-TCP algorithm in it's basic form.

Signed-Off-By: Baruch Even <baruch@ev-en.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Add TCP Vegas congestion control module.
Stephen Hemminger [Thu, 23 Jun 2005 19:27:19 +0000 (12:27 -0700)] 
[TCP]: Add TCP Vegas congestion control module.

TCP Vegas code modified for the new TCP infrastructure.
Vegas now uses microsecond resolution timestamps for
better estimation of performance over higher speed links.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Add TCP Hybla congestion control module.
Daniele Lacamera [Thu, 23 Jun 2005 19:26:34 +0000 (12:26 -0700)] 
[TCP]: Add TCP Hybla congestion control module.

TCP Hybla congestion avoidance.

- "In heterogeneous networks, TCP connections that incorporate a
terrestrial or satellite radio link are greatly disadvantaged with
respect to entirely wired connections, because of their longer round
trip times (RTTs). To cope with this problem, a new TCP proposal, the
TCP Hybla, is presented and discussed in the paper[1]. It stems from an
analytical evaluation of the congestion window dynamics in the TCP
standard versions (Tahoe, Reno, NewReno), which suggests the necessary
modifications to remove the performance dependence on RTT.[...]"[1]

[1]: Carlo Caini, Rosario Firrincieli, "TCP Hybla: a TCP enhancement for
heterogeneous networks",
International Journal of Satellite Communications and Networking
Volume 22, Issue 5 , Pages 547 - 566. September 2004.

Signed-off-by: Daniele Lacamera (root at danielinux.net)net
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Add High Speed TCP congestion control module.
John Heffner [Thu, 23 Jun 2005 19:24:58 +0000 (12:24 -0700)] 
[TCP]: Add High Speed TCP congestion control module.

Sally Floyd's high speed TCP congestion control.
This is useful for comparison and research.

Signed-off-by: John Heffner <jheffner@psc.edu>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Add TCP Westwood congestion control module.
Stephen Hemminger [Thu, 23 Jun 2005 19:24:09 +0000 (12:24 -0700)] 
[TCP]: Add TCP Westwood congestion control module.

This is the existing 2.6.12 Westwood code moved from tcp_input
to the new congestion framework. A lot of the inline functions
have been eliminated to try and make it clearer.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Add TCP BIC congestion control module.
Stephen Hemminger [Thu, 23 Jun 2005 19:23:25 +0000 (12:23 -0700)] 
[TCP]: Add TCP BIC congestion control module.

TCP BIC congestion control reworked to use the new congestion control
infrastructure. This version is more up to date than the BIC
code in 2.6.12; it incorporates enhancements from BICTCP 1.1,
to handle low latency links.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Update sysctl and congestion control documentation.
Stephen Hemminger [Thu, 23 Jun 2005 19:22:36 +0000 (12:22 -0700)] 
[TCP]: Update sysctl and congestion control documentation.

Update the documentation to remove the old sysctl values and
include the new congestion control infrastructure. Includes
changes to tcp.txt by Ian McDonald.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Report congestion control algorithm in tcp_diag.
Stephen Hemminger [Thu, 23 Jun 2005 19:21:28 +0000 (12:21 -0700)] 
[TCP]: Report congestion control algorithm in tcp_diag.

Enhancement to the tcp_diag interface used by the iproute2 ss command
to report the tcp congestion control being used by a socket.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Change tcp_diag to use the existing __RTA_PUT() macro.
Stephen Hemminger [Thu, 23 Jun 2005 19:20:36 +0000 (12:20 -0700)] 
[TCP]: Change tcp_diag to use the existing __RTA_PUT() macro.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[TCP]: Add pluggable congestion control algorithm infrastructure.
Stephen Hemminger [Thu, 23 Jun 2005 19:19:55 +0000 (12:19 -0700)] 
[TCP]: Add pluggable congestion control algorithm infrastructure.

Allow TCP to have multiple pluggable congestion control algorithms.
Algorithms are defined by a set of operations and can be built in
or modules.  The legacy "new RENO" algorithm is used as a starting
point and fallback.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
19 years ago[PATCH] Add removal schedule of register_serial/unregister_serial to appropriate...
Russell King [Thu, 23 Jun 2005 13:23:35 +0000 (14:23 +0100)] 
[PATCH] Add removal schedule of register_serial/unregister_serial to appropriate file

19 years ago[PATCH] better USB_MON dependencies
Adrian Bunk [Thu, 23 Jun 2005 09:36:56 +0000 (11:36 +0200)] 
[PATCH] better USB_MON dependencies

This makes the USB_MON less confusing.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years agoMerge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/paulus/ppc64-2.6
Linus Torvalds [Thu, 23 Jun 2005 16:49:55 +0000 (09:49 -0700)] 
Merge /pub/scm/linux/kernel/git/paulus/ppc64-2.6

19 years ago[PATCH] sys_open() cleanup
Telemaque Ndizihiwe [Thu, 23 Jun 2005 07:10:33 +0000 (00:10 -0700)] 
[PATCH] sys_open() cleanup

Clean up tortured logic in sys_open().

Signed-off-by: Telemaque Ndizihiwe <telendiz@eircom.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Convert users to tty_unregister_ldisc()
Alexey Dobriyan [Thu, 23 Jun 2005 07:10:33 +0000 (00:10 -0700)] 
[PATCH] Convert users to tty_unregister_ldisc()

tty_register_ldisc(N_FOO, NULL) => tty_unregister_ldisc(N_FOO)

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Introduce tty_unregister_ldisc()
Alexey Dobriyan [Thu, 23 Jun 2005 07:10:32 +0000 (00:10 -0700)] 
[PATCH] Introduce tty_unregister_ldisc()

It's a bit strange to see tty_register_ldisc call in modules' exit
functions.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] pwc-uncompress warning fix
Andrew Morton [Thu, 23 Jun 2005 07:10:31 +0000 (00:10 -0700)] 
[PATCH] pwc-uncompress warning fix

drivers/usb/media/pwc/pwc-uncompress.c: In function `pwc_decompress':
drivers/usb/media/pwc/pwc-uncompress.c:140: warning: unreachable code at beginning of switch statement

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] IDE CD reports current speed
Eric Piel [Thu, 23 Jun 2005 07:10:29 +0000 (00:10 -0700)] 
[PATCH] IDE CD reports current speed

The current ide-cd driver reports the CDROM speed (as found in
/proc/sys/dev/cdrom/info) as the current speed when loading the driver.
Changing the speed of the cdrom drive (by "eject -x" for instance) doesn't
update the speed reported by the kernel.  Updating the info could be
valuable for the user as it's the only way to know if the drive accepted
the request or discarded it.  It could even be used to list all the
available speeds of the drive.

The attached patch modifies the ide-cd driver so that after every speed
change request the new speed is updated.  Please note that the actual
modification is very little but I had to touch quite a few lines in order
to avoid to pre-declare the sub-functions.

Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] add note about verify_area removal to feature-removal-schedule.txt
Jesper Juhl [Thu, 23 Jun 2005 07:10:28 +0000 (00:10 -0700)] 
[PATCH] add note about verify_area removal to feature-removal-schedule.txt

Add note about the soon-to-come removal of verify_area() to
Documentation/feature-removal-schedule.txt.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] aio: make wait_queue ->task ->private
Benjamin LaHaise [Thu, 23 Jun 2005 07:10:27 +0000 (00:10 -0700)] 
[PATCH] aio: make wait_queue ->task ->private

In the upcoming aio_down patch, it is useful to store a private data
pointer in the kiocb's wait_queue.  Since we provide our own wake up
function and do not require the task_struct pointer, it makes sense to
convert the task pointer into a generic private pointer.

Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] aio: fix do_sync_(read|write) to properly handle aio retries
Benjamin LaHaise [Thu, 23 Jun 2005 07:10:27 +0000 (00:10 -0700)] 
[PATCH] aio: fix do_sync_(read|write) to properly handle aio retries

When do_sync_(read|write) encounters an aio method that makes use of the
retry mechanism, they fail to correctly retry the operation.  This fixes
that by adding the appropriate sleep and retry mechanism.

Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] dpt_i2o: fix waitqueue abuse
Andrew Morton [Thu, 23 Jun 2005 07:10:26 +0000 (00:10 -0700)] 
[PATCH] dpt_i2o: fix waitqueue abuse

The driver plays with waitqueue internals and fails to compile after Ben's
"aio: make wait_queue ->task ->private" patch.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Bug in error recovery in fs/buffer.c::__block_prepare_write()
Anton Altaparmakov [Thu, 23 Jun 2005 07:10:21 +0000 (00:10 -0700)] 
[PATCH] Bug in error recovery in fs/buffer.c::__block_prepare_write()

fs/buffer.c::__block_prepare_write() has broken error recovery.  It calls
the get_block() callback with "create = 1" and if that succeeds it
immediately clears buffer_new on the just allocated buffer (which has
buffer_new set).

The bug is that if an error occurs and get_block() returns != 0, we break
from this loop and go into recovery code.  This code has this comment:

/* Error case: */
/*
 * Zero out any newly allocated blocks to avoid exposing stale
 * data.  If BH_New is set, we know that the block was newly
 * allocated in the above loop.
 */

So the intent is obviously good in that it wants to clear just allocated
and hence not zeroed buffers.  However the code recognises allocated
buffers by checking for buffer_new being set.

Unfortunately __block_prepare_write() as discussed above already cleared
buffer_new on all allocated buffers thus no buffers will be cleared during
error recovery and old data will be leaked.

The simplest way I can see to fix this is to make the current recovery code
work by _not_ clearing buffer_new after calling get_block() in
__block_prepare_write().

We cannot safely allow buffer_new buffers to "leak out" of
__block_prepare_write(), thus we simply do a quick loop over the buffers
clearing buffer_new on each of them if it is set just before returning
"success" from __block_prepare_write().

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] remove <linux/xattr_acl.h>
Christoph Hellwig [Thu, 23 Jun 2005 07:10:19 +0000 (00:10 -0700)] 
[PATCH] remove <linux/xattr_acl.h>

This file duplicates <linux/posix_acl_xattr.h>, using slightly different
names.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] acl endianess annotations
Christoph Hellwig [Thu, 23 Jun 2005 07:10:19 +0000 (00:10 -0700)] 
[PATCH] acl endianess annotations

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] use drivers/Kconfig for sparc32
William Lee Irwin III [Thu, 23 Jun 2005 07:10:18 +0000 (00:10 -0700)] 
[PATCH] use drivers/Kconfig for sparc32

Kconfig is spitting out massive numbers of errors and so on.  This patch
switches arch/sparc/Kconfig to use drivers/Kconfig so those stop.

Signed-off-by: William Irwin <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Remove f_error field from struct file
Christoph Lameter [Thu, 23 Jun 2005 07:10:17 +0000 (00:10 -0700)] 
[PATCH] Remove f_error field from struct file

The following patch removes the f_error field and all checks of f_error.

Trond said:

  f_error was introduced for NFS, and made sense when we were guaranteed
  always to have a file pointer around when write errors occurred.  Since
  then, we have (for various reasons) had to introduce the nfs_open_context in
  order to track the file read/write state, and it made sense to move our
  f_error tracking there too.

Signed-off-by: Christoph Lameter <christoph@lameter.com>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] PCDP: handle tables that don't supply baud rate
Bjorn Helgaas [Thu, 23 Jun 2005 07:10:16 +0000 (00:10 -0700)] 
[PATCH] PCDP: handle tables that don't supply baud rate

The HCDP specs (i.e., PCDP revision < 3) allow zero as a default value for
baud rate and data bits.  So if firmware doesn't supply them, let
early_serial_console_init() probe for them rather than telling it the baud
rate is zero.

Also, update the URL for the PCDP spec.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] block: add unlocked_ioctl support for block devices
Arnd Bergmann [Thu, 23 Jun 2005 07:10:15 +0000 (00:10 -0700)] 
[PATCH] block: add unlocked_ioctl support for block devices

This patch allows block device drivers to convert their ioctl functions to
unlocked_ioctl() like character devices and other subsystems.  All
functions that were called with the BKL held before are still used that
way, but I would not be surprised if it could be removed from the ioctl
functions in drivers/block/ioctl.c themselves.

As a side note, I found that compat_blkdev_ioctl() acquires the BKL as
well, which looks like a bug.  I have checked that every user of
disk->fops->compat_ioctl() in the current git tree gets the BKL itself, so
it could easily be removed from compat_blkdev_ioctl().

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] compat: introduce compat_time_t
Stephen Rothwell [Thu, 23 Jun 2005 07:10:14 +0000 (00:10 -0700)] 
[PATCH] compat: introduce compat_time_t

This patch is based on work by Carlos O'Donell and Matthew Wilcox.  It
introduces/updates the compat_time_t type and uses it for compat siginfo
structures.  I have built this on ppc64 and x86_64.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] yenta TI: turn off interrupts during card power-on #2
Daniel Ritz [Thu, 23 Jun 2005 07:10:12 +0000 (00:10 -0700)] 
[PATCH] yenta TI: turn off interrupts during card power-on #2

- make boot-up card recognition more reliable (ie.  redo interrogation
  always if there is no valid 'card inserted' state) (and yes, i saw it
  happening on an o2micro controller that both CB_CBARD and CB_16BITCARD
  bits were set at the same time)

- also redo interrogation before probing the ISA interrupts.  it's safer
  to do the probing with the socket in a clean state.

- make card insert detect more reliable.  yenta_get_status() now returns
  SS_PENDING as long as the card is not completley inserted and one of the
  voltage bits is set.  also !CB_CBARD doesn't mean CB_16BITCARD.  there is
  CB_NOTACARD as well, so make an explicit check for CB_16BITCARD.

- for TI bridges: disable IRQs during power-on.  in all-serial and tied
  interrupt mode the interrupts are always disabled for single-slot
  controllers.  for two-slot contollers the disabling is only done when the
  other slot is empty.  to force disabling there is a new module parameter
  now: pwr_irqs_off=Y (which is a regression for working setups.  that's
  why it's an option, only use when required)

- modparm to disable ISA interrupt probing (isa_probe, defaults to on)

- remove unneeded code/cleanups (ie.  merge yenta_events() into
  yenta_interrupts())

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Add offset.h to dontdiff
Michal Schmidt [Thu, 23 Jun 2005 07:10:09 +0000 (00:10 -0700)] 
[PATCH] Add offset.h to dontdiff

include/asm/offset.h is a generated file on x86_64 and mips.  Let's add it
to Documentation/dontdiff.

Signed-off-by: Michal Schmidt <xschmi00@stud.feec.vutbr.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Potential null pointer dereference in amiga serial driver
TINNES Julien RD-MAPS-ISS [Thu, 23 Jun 2005 07:10:08 +0000 (00:10 -0700)] 
[PATCH] Potential null pointer dereference in amiga serial driver

A pointer is dereferenced before it is null-checked.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] gconfig: only show scrollbars if needed
Thierry Vignaud [Thu, 23 Jun 2005 07:10:07 +0000 (00:10 -0700)] 
[PATCH] gconfig: only show scrollbars if needed

gconfig: only show scrollbars if needed (which is more user friendly):

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] ipcsem: remove superflous decrease variable from sys_semtimedop
Manfred Spraul [Thu, 23 Jun 2005 07:10:06 +0000 (00:10 -0700)] 
[PATCH] ipcsem: remove superflous decrease variable from sys_semtimedop

Patrick noticed that the initial scan of the semaphore operations logs
decrease and increase operations seperately, but then both cases are or'ed
together and decrease is never used.  The attached patch removes the
decrease parameter - it shrinks sys_semtimedop() by 56 bytes.

Signed-Of-By: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Turn off sibling call optimization w/ frame pointers
Matthias Urlichs [Thu, 23 Jun 2005 07:10:05 +0000 (00:10 -0700)] 
[PATCH] Turn off sibling call optimization w/ frame pointers

Frame pointers are supposed to enable debuggers to reliably tell where a
call comes from.  That is defeated by GCC's sibling call optimization (aka
tail recursion elimination).

This patch turns this optimization off when compiling with frame pointers.

Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Optimize sys_times for a single thread process
Christoph Lameter [Thu, 23 Jun 2005 07:10:05 +0000 (00:10 -0700)] 
[PATCH] Optimize sys_times for a single thread process

Avoid taking the tasklist_lock in sys_times if the process is single
threaded.  In a NUMA system taking the tasklist_lock may cause a bouncing
cacheline if multiple independent processes continually call sys_times to
measure their performance.

Signed-off-by: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Remove eventpoll macro obfuscation
Pekka Enberg [Thu, 23 Jun 2005 07:10:03 +0000 (00:10 -0700)] 
[PATCH] Remove eventpoll macro obfuscation

This patch gets rid of some macro obfuscation from fs/eventpoll.c by
removing slab allocator wrappers and converting macros to static inline
functions.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] Improve CD/DVD packet driver write performance
Peter Osterlund [Thu, 23 Jun 2005 07:10:02 +0000 (00:10 -0700)] 
[PATCH] Improve CD/DVD packet driver write performance

This patch improves write performance for the CD/DVD packet writing driver.
 The logic for switching between reading and writing has been changed so
that streaming writes are no longer interrupted by read requests.

Signed-off-by: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] factor out common code in sys_fsync/sys_fdatasync
Oleg Nesterov [Thu, 23 Jun 2005 07:10:02 +0000 (00:10 -0700)] 
[PATCH] factor out common code in sys_fsync/sys_fdatasync

This patch consolidates sys_fsync and sys_fdatasync.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
19 years ago[PATCH] mempool - only init waitqueue in slow path
Benjamin LaHaise [Thu, 23 Jun 2005 07:10:01 +0000 (00:10 -0700)] 
[PATCH] mempool - only init waitqueue in slow path

Here's a small patch to improve the performance of mempool_alloc by only
initializing the wait queue when we're about to wait.

Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>