- 29 Jul, 2005 40 commits
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Jean Delvare authored
The 24RF08 corruption prevention in the eeprom and max6875 drivers wasn't complete. For one thing, the additional quick write should happen as soon as possible and unconditionally, while both drivers had error paths before. For another, when a given chip is forced, the core does not emit a quick write, so a second quick write would cause the corruption rather than prevent it. I plan to move the corruption prevention in the core in the long run, so that individual drivers don't have to care anymore. But I need to merge i2c_probe and i2c_detect before I do (work in progress). Signed-off-by:
Jean Delvare <khali@linux-fr.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Jean Delvare authored
Two log messages lack their trailing new line in i2c-core. I'd swear I had fixed them already, but it seems not. Bonus: improved coding style. Signed-off-by:
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Jean Delvare authored
A few i2c drivers were not updated to use time_after() yet. Signed-off-by:
Marcelo Feitoza Parisi <marcelo@feitoza.com.br> Signed-off-by:
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Jean Delvare authored
A few split string in i2c (and now hwmon) drivers lack a joining space, causing them to display incorrectly. This trivial patch fixes that up. Please apply, thanks. Signed-off-by:
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Ladislav Michl authored
DS1339 manual, page 6, chapter Date and time operation: The DS1339 can be run in either 12-hour or 24-hour mode. Bit 6 of the hours register is defined as the 12-hour or 24-hour mode-select bit. When high, the 12-hour mode is selected. Patch below makes ds1337 driver work as documented in manual. Signed-off-by:
Ladislav Michl <ladis@linux-mips.org> Signed-off-by:
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Kumar Gala authored
I2C-MPC: Restore code removed A previous patch to remove support for the OCP device model was way to generious and moved some of the platform device model code, oops. Signed-off-by:
Kumar Gala <kumar.gala@freescale.com> Signed-off-by:
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Greg KH authored
This was the last agreed upon set of rules, it's probably time we actually add them to the kernel tree to make them "official". Signed-off-by:
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Adrian Bunk authored
CONFIG_DEBUG_FS=y and CONFIG_SYSFS=n results in the following compile error: <-- snip --> ... LD vmlinux fs/built-in.o: In function `debugfs_init': inode.c:(.init.text+0x31be): undefined reference to `kernel_subsys' make: *** [vmlinux] Error 1 <-- snip --> Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
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Maneesh Soni authored
o sysfs_dirent's s_mode field should also be updated in sysfs_setattr(), else there could be inconsistency in the two fields. s_mode is used while ->readdir so as not to bring in the inode to cache. Signed-off-by:
Maneesh Soni <maneesh@in.ibm.com> Signed-off-by:
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Maneesh Soni authored
o sysfs_chmod_file() must update the new iattr field in sysfs_dirent else the mode change will not be persistent in case of inode evacuation from cache. Signed-off-by:
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Daniel Walker authored
Signed-off-by:
Daniel Walker <dwalker@mvista.com> Signed-off-by:
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Eric W. Biederman authored
Use the standard hardware page table manipulation macros. This is possible now that linux works with all 4 levels of the page tables. Signed-off-by:
Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
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Eric W. Biederman authored
In an uncensored copy of code from i386 to x86_64 I wound up with inline assembly with the wrong constraints. Use input constraints instead of output constraints. So I know the assembler will do the right thing specify the size of the operand lidtq and lgdtq instead of just lidt and lgdt. Make load_segments use an input constraint, and delete the macro fun. Without having to reload %cs like I do on i386 this code is noticeably simpler. Signed-off-by:
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Eric W. Biederman authored
For some reason I was telling my inline assembly that the input argument was an output argument. Playing in the trampoline code I have seen a couple of instances where lgdt get the wrong size (because the trampolines run in 16bit mode) so use lgdtl and lidtl to be explicit. Additionally gcc-3.3 and gcc-3.4 want's an lvalue for a memory argument and it doesn't think an array of characters is an lvalue so use a packed structure instead. Signed-off-by:
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Eric W. Biederman authored
If device_suspend(PMSG_FREEZE) is not ready to be called in kernel_restart it is definitely not ready to be called in the even more fickle kernel_kexec. Signed-off-by:
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Linus Torvalds authored
Some edge problems with the original C rewrite. Thanks go to Cal Peake, who pinpointed the breakage to the rewrite, and tested this fixed version. Signed-off-by: -
Linus Torvalds authored
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Dave Jones authored
From: Mark Langsdorf <mark.langsdorf@amd.com> Signed-off-by:Dave Jones <davej@redhat.com>
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Linus Torvalds authored
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Linus Torvalds authored
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Linus Torvalds authored
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Russell King authored
Since the secondary CPUs will not be operating in symetric mode while they are held in the pen, we need to ensure that the write to pen_release is visible to them, by flushing the cache. Signed-off-by:Russell King <rmk+kernel@arm.linux.org.uk>
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Linus Torvalds authored
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Stephen Smalley authored
This patch fixes the address length checks in the selinux_socket_connect hook to be no more restrictive than the underlying ipv4 and ipv6 code; otherwise, this hook can reject valid connect calls. This patch is in response to a bug report where an application was calling connect on an INET6 socket with an address that didn't include the optional scope id and failing due to these checks. Signed-off-by:
Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by:
James Morris <jmorris@redhat.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Jon Smirl authored
Fix a buffer overflow vunerabilty in previous cmap patch Signed-off-by:
Jon Smirl <jonsmirl@gmail.com> Signed-off-by:
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Dave Hansen authored
Somewhere recently, the TSC got re-enabled for timekeeping on NUMAQ machines. However, the hardware makes these get unsynchronized quite badly. So badly, in fact, that the code to fix up the skew can just hang on boot. This patch re-disables them. It's nicely confined to the numaq.c file. It would be great if this could make it into 2.6.13, I think it counts as a bugfix. Tested on a 16-proc 4-node NUMAQ. Signed-off-by:
Dave Hansen <haveblue@us.ibm.com> Signed-off-by:
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George Anzinger authored
(We found this (after a customer complained) and it is in the kernel.org kernel. Seems that for CLOCK_MONOTONIC absolute timers and clock_nanosleep calls both the request time and wall_to_monotonic are subtracted prior to the normalize resulting in an overflow in the existing normalize test. This causes the result to be shifted ~4 seconds ahead instead of ~2 seconds back in time.) The normalize code in posix-timers.c fails when the tv_nsec member is ~1.2 seconds negative. This can happen on absolute timers (and clock_nanosleeps) requested on CLOCK_MONOTONIC (both the request time and wall_to_monotonic are subtracted resulting in the possibility of a number close to -2 seconds.) This fix uses the set_normalized_timespec() (which does not have an overflow problem) to fix the problem and as a side effect makes the code cleaner. Signed-off-by:
George Anzinger <george@mvista.com> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Actually implement the hostfs "sync" method. Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Christophe Lucas authored
printk() calls should include appropriate KERN_* constant. Signed-off-by:
Christophe Lucas <clucas@rotomalug.org> Signed-off-by:
Domen Puncer <domen@coderock.org> Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Bodo Stroesser authored
Fix a typo in wait_stub_done. Signed-off-by:
Bodo Stroesser <bstroesser@fujitsu-siemens.com> Signed-off-by:
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Jeff Dike authored
update_process_times was missing its irq_enter/irq_exit wrapper. This caused ksoftirqd to be scheduled on every clock tick. Signed-off-by:
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Jeff Dike authored
By this point, .is_user has already been set, so this assignment is useless. Signed-off-by:
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Bodo Stroesser authored
It's wrong to pop a fixed number of words from stack before calling sigreturn, as the number depends on what code is generated by the compiler for the start of stub_segv_handler(). What we need is esp containing the address of sigcontext. So we explicitly load that pointer into esp. Signed-off-by:
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Jeff Dike authored
We added an include of asm/vm86.h in include/asm-i386/ptrace.h. Since UML includes the underlying arch's ptrace.h, it needs an asm/vm86.h in order to build. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Just a Kbuild subtlety, not listing a target file inside targets causes it to be rebuilt each time, and as a consequence everything depending on it is rebuilt. Signed-off-by:
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Jeff Dike authored
With Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Revert the following patch, because of miscompilation problems in different environments leading to UML not working *at all* in TT mode; it was merged lately in 2.6 development cycle, a little after being written, and has caused problems to lots of people; I know it's a bit too long, but it shouldn't have been merged in first place, so I still apply for inclusion in the -stable tree. Anyone using this feature currently is either using some older kernel (some reports even used 2.6.12-rc4-mm2) or using this patch, as included in my -bs patchset. For now there's not yet a fix for this patch, so for now the best thing is to drop it (which was widely reported to give a working kernel, and as such was even merged in -stable tree). "Convert the boot-time host ptrace testing from clone to fork. They were essentially doing fork anyway. This cleans up the code a bit, and makes valgrind a bit happier about grinding it." URL: http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=98fdffccea6cc3fe9dba32c0fcc310bcb5d71529Signed-off-by:
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Alasdair G Kergon authored
This patch is an attempt to fix deadlocks discovered in the core dm. The problems boil down to md->lock having to be held in too many places, so I've split it into two: md->suspend_lock and md->io_lock. suspend_lock is now held throughout dm_suspended() as well as dm_resume() and dm_swap_table() so that these functions cannot run concurrently: there's no requirement for that and it added complexity. DMF_FS_LOCKED becomes redundant: DMF_SUSPENDED provides adequate protection. Signed-Off-By:
Alasdair G Kergon <agk@redhat.com> Signed-off-by:
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Alasdair G Kergon authored
Avoid another bdget_disk which can deadlock. Signed-Off-By:
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Alasdair G Kergon authored
Some code tidy-ups in preparation for the next patches. Change dm_table_pre/postsuspend_targets to accept NULL. Use dm_suspended() throughout. Signed-Off-By:
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Ravikiran G Thirumalai authored
While booting with SMT disabled in bios, when using acpi srat to setup cpu_to_node[], sparse apic_ids create problems. Without this patch, intel x86_64 boxes with hyperthreading disabled in the bios (and which rely on srat for numa setup) endup having incorrect values in cpu_to_node[] arrays, causing sched domains to be built incorrectly etc. Signed-off-by:
Ravikiran Thirumalai <kiran@scalex86.org> Signed-off-by:
Shai Fultheim <shai@scalex86.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by:
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