- 15 Jul, 2006 40 commits
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Kylene Jo Hall authored
Fix the start and len variables that should be using the new resource_size_t. 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>
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Kylene Jo Hall authored
Some machine manufacturers are not sticking to the TCG specifications and including an ACPI DSDT entry for the TPM which allows PNP discovery of the device. Signed-off-by:
Kylene Hall <kjhall@us.ibm.com> Signed-off-by:
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Kylene Jo Hall authored
Under stress testing I found that the interrupt is not always cleared. Signed-off-by:
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Al Viro authored
It's way past time to bump it to 8. Everyone had been warned - for months now. RH kernels have had this for more than a year. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Randy Dunlap authored
Add actual mailing list email addresses for the 4 that were only listing a web page. Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Randy Dunlap authored
kfree(devname) on the misc_register() failure path. Otherwise it is lost forever. Signed-off-by:
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Ingo Molnar authored
On platforms that have __ARCH_WANT_UNLOCKED_CTXSW set and want to implement lock validator support there's a bug in rq->lock handling: in this case we dont 'carry over' the runqueue lock into another task - but still we did a spinlock_release() of it. Fix this by making the spinlock_release() in context_switch() dependent on !__ARCH_WANT_UNLOCKED_CTXSW. (Reported by Ralf Baechle on MIPS, which has __ARCH_WANT_UNLOCKED_CTXSW. This fixes a lockdep-internal BUG message on such platforms.) Signed-off-by:
Ingo Molnar <mingo@elte.hu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by:
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Jim Cromie authored
- rename EXPORTed gpio vtables from {scx200,pc8736x}_access to _gpio_ops new name is much closer to the vtable-name struct nsc_gpio_ops, should be clearer. Also rename the _fops vtable var to _fileops to better disambiguate it from the gpio vtable. Signed-off-by:Jim Cromie <jim.cromie@gmail.com> Signed-off-by:
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Jim Cromie authored
- pure cosmetics: lose needless newlines. - rename EXPORTed gpio vtables from {scx200,pc8736x}_access to _gpio_ops new name is much closer to the vtable-name struct nsc_gpio_ops, should be clearer. Also rename the _fops vtable var to _fileops to better disambiguate it from the gpio vtable. Signed-off-by: -
Jim Cromie authored
drops gpio_set_high, gpio_set_low from the nsc_gpio_ops vtable. While we can't drop them from scx200_gpio (or can we?), we dont need them for new users of the exported vtable; gpio_set(1), gpio_set(0) work fine. Signed-off-by:
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Rolf Eike Beer authored
pci_dac_set_dma_mask() gives only a single match in the whole kernel tree and that's in this doc file. The best candidate for replacement is pci_dac_dma_supported(). Signed-off-by:
Rolf Eike Beer <eike-kernel@sf-tec.de> Cc: Greg KH <greg@kroah.com> Acked-by:
"David S. Miller" <davem@davemloft.net> Signed-off-by:
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Rolf Eike Beer authored
Documentation for register_chrdev() was missing completely. [akpm@osdl.org: kerneldocification] Signed-off-by:
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Roland Dreier authored
Currently, the code in lib/idr.c uses a bare spin_lock(&idp->lock) to do internal locking. This is a nasty trap for code that might call idr functions from different contexts; for example, it seems perfectly reasonable to call idr_get_new() from process context and idr_remove() from interrupt context -- but with the current locking this would lead to a potential deadlock. The simplest fix for this is to just convert the idr locking to use spin_lock_irqsave(). In particular, this fixes a very complicated locking issue detected by lockdep, involving the ib_ipoib driver's priv->lock and dev->_xmit_lock, which get involved with the ib_sa module's query_idr.lock. Cc: Arjan van de Ven <arjan@infradead.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Zach Brown <zach.brown@oracle.com>, Signed-off-by:
Roland Dreier <rolandd@cisco.com> Signed-off-by:
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Jeff Mahoney authored
On systems with block devices containing a slash (virtual dasd, cciss, etc), reiserfs will fail to initialize /proc/fs/reiserfs/<dev> due to it being interpreted as a subdirectory. The generic block device code changes the / to ! for use in the sysfs tree. This patch uses that convention. Tested by making dm devices use dm/<number> rather than dm-<number> [akpm@osdl.org: name variables consistently] Signed-off-by:
Jeff Mahoney <jeffm@suse.com> Signed-off-by:
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Chris Boot authored
Add the DRVNAME define to remove the two separate references of the driver name by string, and move the .driver.owner into the existing .driver sub-structure. Signed-off-by:
Chris Boot <bootc@bootc.net> Signed-off-by:
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OGAWA Hirofumi authored
IRQs must be disabled before taking ->siglock. Noticed by lockdep. Signed-off-by:
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Arjan van de Ven <arjan@infradead.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
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john stultz authored
Resolve problems seen w/ APM suspend. Due to resume initialization ordering, its possible we could get a timer interrupt before the timekeeping resume() function is called. This patch ensures we don't do any timekeeping accounting before we're fully resumed. (akpm: fixes the machine-freezes-on-APM-resume bug) Signed-off-by:
John Stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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Jim Cromie authored
Remove the scx200_gpio's cdev-array & ksalloc, replacing it with a single static struct cdev, which is sufficient for all the pins. cdev_put is commented out since kernel wont link properly with it, and its apparently not needed. With these patches, this driver continues to work with Chris Boot's leds_48xx driver. Signed-off-by Jim Cromie <jim.cromie@gmail.com> Signed-off-by:
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Jim Cromie authored
this patch is mostly cleanup of scx200_gpio : - drop #include <linux/config.h> - s/DEVNAME/DRVNAME/ apparently a convention - replace variable num_pins with #define MAX_PINS - s/dev/devid/ to clarify that its a dev_t, not a struct device dev. - move devid = MKDEV(major,0) into branch where its needed. 2 minor 'changes' : - reduced MAX_PINS from 64 to 32. Ive never tested other pins, and theyre all multiplexed with other functions, some of which may be in use on my soekris 4801, so I dont know what testing should yield. - +EXPORT_SYMBOL(scx200_access); This exposes the driver's vtable, which another driver can use along with #include <linux/nsc_gpio.h>, to manipulate a gpio-pin. Signed-off-by Jim Cromie <jim.cromie@gmail.com> Signed-off-by:
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Adrian Bunk authored
Christoph Hellwig: open_softirq just enables a softirq. The softirq array is statically allocated so to add a new one you would have to patch the kernel. So there's no point to keep this export at all as any user would have to patch the enum in include/linux/interrupt.h anyway. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Acked-by:
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Adrian Bunk authored
Signed-off-by:
Mike Miller <mike.miller@hp.com> Signed-off-by:
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Luca Tettamanti authored
When CONFIG_RT_MUTEX_TESTER is enabled kernel refuses to suspend the machine because it's unable to freeze the rt-test-* threads. Add try_to_freeze() after schedule() so that the threads will be freezed correctly; I've tested the patch and it lets the notebook suspends and resumes nicely. Signed-off-by:
Luca Tettamanti <kronos.it@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Acked-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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Arjan van de Ven authored
The delete partition IOCTL takes the bd_mutex for both the disk and the partition; these have an obvious hierarchical relationship and this patch annotates this relationship for lockdep. Signed-off-by:
Arjan van de Ven <arjan@linux.intel.com> Acked-by:
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Herbert Valerio Riedel authored
Add support for the I2C-attached Intersil ISL1208 RTC chip. [akpm@osdl.org: cleanups, fixlets] Signed-off-by:
Herbert Valerio Riedel <hvr@gnu.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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Nathan Scott authored
Make the ramdisk blocksize configurable at kernel compilation time rather than only at boot or module load time, like a couple of the other ramdisk options. I found this handy awhile back but thought little of it, until recently asked by a few of the testing folks here to be able to do the same thing for their automated test setups. The Kconfig comment is largely lifted from comments in rd.c, and hopefully this will increase the chances of making folks aware that the default value often isn't a great choice here (for increasing values of PAGE_SIZE, even moreso). Signed-off-by:
Nathan Scott <nathans@sgi.com> Signed-off-by:
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Nathan Scott authored
The default ramdisk blocksize is actually 1024, not 512 bytes. Also fixes up some trailing whitespace issues. Signed-off-by:
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Luke Yang authored
nommu.c needs to export two more symbols for drivers to use: remap_pfn_range and unmap_mapping_range. Signed-off-by:
Luke Yang <luke.adi@gmail.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by:
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David Woodhouse authored
There's no excuse for userspace abusing this kernel header -- the kernel's headers are not intended to provide a library of helper routines for userspace. Using <asm/io.h> from userspace is broken on most architectures anyway. Just say 'no'. Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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David Woodhouse authored
This isn't suitable for userspace to see -- the kernel headers are not a random library of stuff for userspace; they're only there to define the kernel<->user ABI for system libraries and tools. Anything which _was_ abusing asm/atomic.h from userspace was probably broken anyway -- as it often didn't even give atomic operation. Signed-off-by:
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David Woodhouse authored
Remove asm/irq.h from the exported headers -- there was never any good reason for it to have been listed. Signed-off-by:
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Andrew Morton authored
Relax the CPU in the del_timer_sync() busywait loop. Signed-off-by:
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Adrian Bunk authored
Remove the now-unneeded kthread_stop_sem(). Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Andreas Gruenbacher authored
Got a customer bug report (https://bugzilla.novell.com/190296) about kernel symbols longer than 127 characters which end up in a string buffer that is not NULL terminated, leading to garbage in /proc/kallsyms. Using strlcpy prevents this from happening, even though such symbols still won't come out right. A better fix would be to not use a fixed-size buffer, but it's probably not worth the trouble. (Modversion'ed symbols even have a length limit of 60.) [bunk@stusta.de: build fix] Signed-off-by:
Andreas Gruenbacher <agruen@suse.de> Signed-off-by:
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Jeff Dike authored
Clean up whitespace and return syntax in os.h. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Jeff Dike authored
On top of the previous biarch changes for UML, this makes the preprocessor changes a bit cleaner. Specify the 64-bit build in CPPFLAGS on the x86_64 SUBARCH, rather than #undef'ing i386. Compile-tested with i386 and x86_64 SUBARCHs. Signed-off-by:
Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by:
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Jeff Dike authored
The UML_SETJMP macro was requiring its users to pass in a argument which it could supply itself, since it wasn't used outside that invocation of the macro. Signed-off-by:
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Vadim Lobanov authored
On i386, the user space accessor functions copy_from/to_user() both invoke might_sleep(), do a quick sanity check, and then pass the work on to their __copy_from/to_user() counterparts, which again invoke might_sleep(). Given that no actual work happens between these two calls, it is best to eliminate one of the redundant might_sleep()s. Signed-off-by:
Vadim Lobanov <vlobanov@speakeasy.net> Signed-off-by:
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Eric W. Biederman authored
This patch removes the foolish assumption that SMP implied local apics. That assumption is not-true on the Voyager subarch. This makes that dependency explicit, and allows the code to build. What gets disabled is just an optimization to get better crash dumps so the support should work if there is a kernel that will initialization on the voyager subarch under those harsh conditions. Hopefully we can figure out how to initialize apics in init_IRQ and remove the need to disable io_apics and this dependency. Signed-off-by:
Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
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Catalin Marinas authored
Signed-off-by:
Catalin Marinas <catalin.marinas@gmail.com> Signed-off-by:
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Chuck Ebbert authored
handle_BUG() tries to print file and line number even when they're not available (CONFIG_DEBUG_BUGVERBOSE is not set.) Change this to print a message stating info is unavailable instead of printing a misleading message. Signed-off-by:
Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by:
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