- 15 Jul, 2006 35 commits
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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:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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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:
Ingo Molnar <mingo@elte.hu> Signed-off-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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Anil Keshavamurthy authored
There is a race condition that showed up in a threaded JIT environment. The situation is that a process with a JIT code page forks, so the page is marked read-only, then some threads are created in the child. One of the threads attempts to add a new code block to the JIT page, so a copy-on-write fault is taken, and the kernel allocates a new page, copies the data, installs the new pte, and then calls lazy_mmu_prot_update() to flush caches to make sure that the icache and dcache are in sync. Unfortunately, the other thread runs right after the new pte is installed, but before the caches have been flushed. It tries to execute some old JIT code that was already in this page, but it sees some garbage in the i-cache from the previous users of the new physical page. Fix: we must make the caches consistent before installing the pte. This is an ia64 only fix because lazy_mmu_prot_update() is a no-op on all other architectures. Signed-off-by:
Anil Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by:
Tony Luck <tony.luck@intel.com> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Jan Kiszka authored
__vunmap must not rely on area->nr_pages when picking the release methode for area->pages. It may be too small when __vmalloc_area_node failed early due to lacking memory. Instead, use a flag in vmstruct to differentiate. Signed-off-by:
Jan Kiszka <jan.kiszka@web.de> Signed-off-by:
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Michael S. Tsirkin authored
Avoid bogus out of memory errors: fix sa_query to actually pass gfp_mask supplied by the user to idr_pre_get. Signed-off-by:
Michael S. Tsirkin <mst@mellanox.co.il> Acked-by:
"Sean Hefty" <mshefty@ichips.intel.com> Acked-by:
"Roland Dreier" <rdreier@cisco.com> Signed-off-by:
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Michael S. Tsirkin authored
ib_fmr_pool_map_phys gets the virtual address by pointer but never writes there, and users (e.g. srp) seem to assume this and ignore the value returned. This patch cleans up the API to get the VA by value, and updates all users. Signed-off-by:
Roland Dreier <rolandd@cisco.com> Signed-off-by:
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Ira Weiny authored
Set private data length for reject messages to the correct size. Fix from openib svn r8483. Signed-off-by:
Sean Hefty <sean.hefty@intel.com> Signed-off-by:
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Vu Pham authored
srp_unmap_data assumes req->fmr is NULL if the request is not mapped, so we must clean it out in case of an error. Signed-off-by:
Vu Pham <vu@mellanox.com> Signed-off-by:
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Michael S. Tsirkin authored
The device address contains unsigned character arrays, which contain raw GID addresses. The GIDs may not be naturally aligned, so do not cast them to structures or unions. Signed-off-by:
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Michael S. Tsirkin authored
If a user of the IB CM returns -ENOMEM from their connection callback, simply drop the incoming REQ - do not attempt to send a reject. This should allow the sender to retry the request. Signed-off-by:
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Michael S. Tsirkin authored
After recent changes, mthca_wq_init does not actually initialize the WQ as it used to - it simply resets all index fields to their initial values. So, let's rename it to mthca_wq_reset. Signed-off-by:
Zach Brown <zach.brown@oracle.com> Signed-off-by:
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Jack Morgenstein authored
mthca_ah_query returs the static rate of the address handle in internal mthc format. fix it to use rate encoding from enum ib_rate, which is what users expect. Signed-off-by:
Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by:
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Kirill Korotaev authored
2.6.16 leaks like hell. While testing, I found massive leakage (reproduced in openvz) in: *filp *size-4096 And 1 object leaks in *size-32 *size-64 *size-128 It is the fix for the first one. filp leaks in the bowels of namei.c. Seems, size-4096 is file table leaking in expand_fdtables. I have no idea what are the rest and why they show only accompanying another leaks. Some debugging structs? [akpm@osdl.org, Trond: remove the IS_ERR() check] Signed-off-by:
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: Kirill Korotaev <dev@openvz.org> Cc: <stable@kernel.org> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by:
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Linus Torvalds authored
Clearign all of i_mode was a bit draconian. We only really care about S_ISUID/ISGID, after all. Signed-off-by:
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- 14 Jul, 2006 1 commit
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Linus Torvalds authored
We have a bad interaction with both the kernel and user space being able to change some of the /proc file status. This fixes the most obvious part of it, but I expect we'll also make it harder for users to modify even their "own" files in /proc. Signed-off-by:
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- 13 Jul, 2006 4 commits
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git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (53 commits) [MIPS] sparsemem: fix crash in show_mem [MIPS] vr41xx: Update workpad setup function [MIPS] vr41xx: Update e55 setup function [MIPS] vr41xx: Removed old v2.4 VRC4173 driver [MIPS] vr41xx: Move IRQ numbers to asm-mips/vr41xx/irq.h [MIPS] MIPSsim: Build fix, rename sim_timer_setup -> plat_timer_setup. [MIPS] Remove unused code. [MIPS] IP22 Fix brown paper bag in RTC code. [MIPS] Atlas, Malta, SEAD: Don't disable interrupts in mips_time_init(). [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. [MIPS] Nuke redeclarations of board_time_init. [MIPS] Remove redeclarations of setup_irq(). [MIPS] Nuke redeclarations of board_timer_setup. [MIPS] Print out TLB handler assembly for debugging. [MIPS] SMTC: Reformat to Linux style. [MIPS] MIPSsim: Delete redeclaration of ll_local_timer_interrupt. [MIPS] IP27: Reformatting. [MIPS] IP27: Invoke setup_irq for timer interrupt so proc stats will be shown. [MIPS] IP27: irq_chip startup method returns unsigned int. [MIPS] IP27: struct irq_desc member handler was renamed to chip. ...
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] CIFS_DEBUG2 depends on CIFS
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-mmc: [MMC] Change SDHCI version error to a warning [MMC] Fix incorrect register access
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-serial: [SERIAL] 8250: sysrq deadlock fix [SERIAL] 8250: add tsi108 serial support [SERIAL] IP22: fix serial console hangs [SERIAL] dz: Fix compilation error
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