- 07 Nov, 2005 40 commits
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Christoph Hellwig authored
No need to duplicate a generic readonly file ops table in befs. Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Tim Schmielau authored
Fix more include file problems that surfaced since I submitted the previous fix-missing-includes.patch. This should now allow not to include sched.h from module.h, which is done by a followup patch. Signed-off-by:
Tim Schmielau <tim@physik3.uni-rostock.de> Signed-off-by:
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Peter Staubach authored
There is a memory leak possible in dentry_open(). If get_empty_filp() fails, then the references to dentry and mnt need to be released. The attached patch adds the calls to dput() and mntput() to release these two references. Signed-off-by:
Peter Staubach <staubach@redhat.com> Signed-off-by:
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Muli Ben-Yehuda authored
Updates to Documentation/vm/hugetlbpage.txt: - there's no need to select HUGETLB_PAGE manually and it's no longer under the processor menu. Update the text accordingly. - fix typos and trim trailing whitespace. Signed-Off-By:
Muli Ben-Yehuda <mulix@mulix.org> Signed-off-by:
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Coywolf Qi Hunt authored
Get rid of the `int unused' parameter of __find_get_block_slow(). Signed-off-by:
Coywolf Qi Hunt <qiyong@fc-cn.com> Signed-off-by:
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Davi Arnaut authored
Data allocated with "__getname()" should always be free'd with "__putname()" because of the AUDITSYSCALL code. Signed-off-by:
Davi Arnaut <davi.arnaut@gmail.com> Cc: Urban Widmark <urban@teststation.com> Signed-off-by:
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Davi Arnaut authored
Data allocated with "__getname()" should always be free'd with "__putname()" because of the AUDITSYSCALL code. Signed-off-by:
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Adrian Bunk authored
- "extern inline" -> "static inline" - every file should #include the headers containing the prototypes for it's global functions Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Marcelo Tosatti authored
Mikael Pettersson <mikpe@csd.uu.se> noted that the current 2.6-git (and 2.4) patch to disallow KDSKBSENT for unpriviledged users should be less restrictive allowing reading of current function key string entry, but not writing. Signed-off-by:
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David Gibson authored
The code for FUTEX_WAKE_OP calls an arch callback, futex_atomic_op_inuser(). That callback can return an error code, but currently the caller assumes any error is EFAULT, and will try various things to resolve the fault before eventually giving up with EFAULT (regardless of the original error code). This is not a theoretical case - arch callbacks currently return -ENOSYS if the opcode they are given is bogus. This patch alters the code to detect non-EFAULT errors and return them directly to the user. Of course, whether -ENOSYS is the correct return value for the bogus opcode case, or whether EINVAL would be more appropriate is another question. Signed-off-by:
David Gibson <dwg@au1.ibm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jamie Lokier <jamie@shareable.org> Signed-off-by:
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Zach Brown authored
AIO was adding a new context's max requests to the global total before testing if that resulting total was over the global limit. This let innocent tasks get their new limit tested along with a racing guilty task that was crossing the limit. This serializes the _nr accounting with a spinlock It also switches to using unsigned long for the global totals. Individual contexts are still limited to an unsigned int's worth of requests by the syscall interface. The problem and fix were verified with a simple program that spun creating and destroying a context while holding on to another long lived context. Before the patch a task creating a tiny context could get a spurious EAGAIN if it raced with a task creating a very large context that overran the limit. Signed-off-by:
Zach Brown <zach.brown@oracle.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Signed-off-by:
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David Howells authored
The attached patch removes a couple of incorrect and obsolete '!' operators left over from the conversion of the key permission functions from true/false returns to zero/error returns. Signed-Off-By:
David Howells <dhowells@redhat.com> Signed-off-by:
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Ingo Molnar authored
cleanup: use for_each_cpu() instead of an open-coded NR_CPUS loop. Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Hans Reiser authored
Reiser4 uses radix trees to solve a trouble reiser4_readdir has serving nfs requests. Unfortunately, radix tree api lacks an operation suitable for modifying existing entry. This patch adds radix_tree_lookup_slot which returns pointer to found item within the tree. That location can be then updated. Both Nick and Christoph Lameter have patches which need this as well. Signed-off-by:
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Andrew Morton authored
Add a few comments surrounding the generic readahead API. Also convert some ulongs into pgoff_t: the identifier for PAGE_CACHE_SIZE offsets into pagecache. Signed-off-by:
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Badari Pulavarty authored
Add SHM_NORESERVE functionality similar to MAP_NORESERVE for shared memory segments. This is mainly to avoid abuse of OVERCOMMIT_ALWAYS and this flag is ignored for OVERCOMMIT_NEVER. Signed-off-by:
Badari Pulavarty <pbadari@us.ibm.com> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Christoph Hellwig authored
The -EROFS check has moved up to permission() in the VFS a while ago. Signed-off-by:
Miklos Szeredi <miklos@szeredi.hu> Signed-off-by:
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Abhay Salunke authored
This patch has the changes to support the memory floor fix done in Dell BIOS. The BIOS incase of packet update mechanism would not accept packet placed in memory below a cretain address. This address is by default 128K but can change. The driver now can accept the memory floor if the user chooses to make it will try to allocate contiguous physical memory above the memory floor by allocating a set of packets till a valid memory allocation is made. All the allocates then are freed. This repeats for everty packet. This patch was created by Michael E Brown and has been tested on 2.6.14-rc5 Signed-of-by:
Michael E Brown <Michael_E_Brown@Dell.com> Signed-off-by:
Abhay Salunke <abhay_salunke@dell.com> Signed-off-by:
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Kylene Jo Hall authored
driver_unregister is not being properly called when the init function returns an error case. Restructured the return logic such that this and the other cleanups all happen in one place. Preformed many of the cleanups that Andrew Morton's patch on Thursday made in tpm_atmel.c. Fixed Matthieu's concern about writing before discovery. (akpm: rmk said: This driver is buggy. You must not provide your own release function - it doesn't solve the problem which the warning (which you get when you don't provide one) is telling you about. You should convert your device driver over to the replacement dynamic platform support, once it is merged. IOW, something like: pdev = platform_device_alloc("mydev", id); if (pdev) { err = platform_device_add_resources(pdev, &resources, ARRAY_SIZE(resources)); if (err == 0) err = platform_device_add_data(pdev, &platform_data, sizeof(platform_data)); if (err == 0) err = platform_device_add(pdev); } else { err = -ENOMEM; } if (err) platform_device_put(pdev); ) Signed-off-by:Kylene Jo Hall <kjhall@us.ibm.com> Signed-off-by:
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Adrian Bunk authored
In a case documented as We should never be called with any of these states BUG() in a case that would later result in a NULL pointer dereference. Signed-off-by:
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Kirill Smelkov authored
There is a wrong BUG in mxser_close. The BUG is triggered when tty->driver_data == NULL, But in fact this is not a bug, because tty->driver->close is called even when tty->driver->open fails. LDD3 tells us to do nothing in such cases. Signed-off-by:
Kirill Smelkov <kirr@mns.spb.ru> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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Kirill Smelkov authored
Fix leak of struct tty_driver in mxser_init & mxser_module_exit Signed-off-by:
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Kirill Smelkov authored
Remove explicit tty_driver ops initialisation, because this is already done by tty_set_operations. Signed-off-by:
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Bob Picco authored
This patch identifies the HPET Maintainers. Clemens in taking over as primary maintainer for the HPET driver. Clemens has i386 hardware with HPET and is a better choice than me because of this. I've shared this patch with all cc: recipients and there is agreement on ownership. Hopefully this eliminates future confusion in terms of where HPET maintenance is owned. Signed-off-by:
Bob Picco <bob.picco@hp.com> Cc: <clemens@ladisch.de> Cc: <venkatesh.pallipadi@intel.com> Cc: <bob.picco@hp.com> Signed-off-by:
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Lennert Buytenhek authored
Reported by Eddy Petrisor <eddy.petrisor@gmail.com> fs/built-in.o(.text+0x35fdc): In function `hfs_mdb_put': : undefined reference to `unload_nls' fs/built-in.o(.text+0x35ff1): In function `hfs_mdb_put': : undefined reference to `unload_nls' fs/built-in.o(.text+0x367a5): In function `parse_options': super.c: undefined reference to `load_nls' fs/built-in.o(.text+0x367db):super.c: undefined reference to `load_nls' fs/built-in.o(.text+0x36938):super.c: undefined reference to `load_nls_default' Signed-off-by:
Lennert Buytenhek <buytenh@wantstofly.org> Acked-by:
Roman Zippel <zippel@linux-m68k.org> Signed-off-by:
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Paul E. McKenney authored
Remove the hlist_for_each_rcu() API, which is used only in one place, and is trivially converted to hlist_for_each_entry_rcu(), making the code shorter and more readable. Any out-of-tree uses may be similarly converted. Signed-off-by:
"Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by:
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Matt Helsley authored
This patch adds a connector that reports fork, exec, id change, and exit events for all processes to userspace. It replaces the fork_advisor patch that ELSA is currently using. Applications that may find these events useful include accounting/auditing (e.g. ELSA), system activity monitoring (e.g. top), security, and resource management (e.g. CKRM). Signed-off-by:
Matt Helsley <matthltc@us.ibm.com> Signed-off-by:
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Andrew Morton authored
If the backing_dev_info doesn't have BDI_CAP_NO_WRITEBACK we're not supposed to write back an inode's pages. But in this situation write_inode_now() refuses to write the inode itself as well. Fix. Signed-off-by:
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Prasanna S Panchamukhi authored
Andrew Morton suggested to move kprobes from kernel hacking menu, since kernel hacking menu is in-appropriate for the Kprobes. This patch moves Kprobes and Oprofile under instrumentation menu. (akpm: it's not a natural fit, but things like djprobes and the s390 guys' statistics library need a home) Signed-of-by:
Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Philippe Elie <phil.el@wanadoo.fr> Cc: John Levon <levon@movementarian.org> Signed-off-by:
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Andrew Morton authored
Large console spews from IRQ or local_irq_disable() sections can cause the NMI watchdog to go off. Signed-off-by:
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Heiko Carstens authored
Merge common parts of head.S and head64.S into head.S and move architecture specific parts to head31.S and head64.S respectively. Saves us ~500 lines of duplicated assembly code. Acked-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
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Christian Borntraeger authored
If vmcp is interrupted by a signal the vmcp command buffer is not freed. Found by Pete Zaitcev. Signed-off-by:
Christian Borntraeger <cborntra@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
Using __typeof__(*ptr) on a pointer to const makes the __x variable in __get_user const as well. The latest gcc will refuse to write to it. Signed-off-by:
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Ursula Braun-Krahl authored
Remove duplicate timeout in qdio_establish(). Signed-off-by:
Ursula Braun-Krahl <braunu@de.ibm.com> Signed-off-by:
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Peter Oberparleiter authored
Signed-off-by:
Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by:
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Peter Oberparleiter authored
Access to FBA disks via DIAG fails for block sizes > 512 byte. The device analysis code of the DIAG discipline does not properly initialize the DIAG250 device environment after completion of the analysis. This results in VM only serving 512 bytes per block I/O request whereas Linux expects larger block sizes. Add proper device environment setup to end of analysis code. Signed-off-by:
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Peter Oberparleiter authored
Future versions of gcc may remove initialization code for control blocks used by the diag250 inline assembly due to incompletely specified constraints. This may lead to erratic behavior. Fix the diag250 inline assembly constraints. Signed-off-by:
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Christian Borntraeger authored
The test_bit function returns a non-boolean value, it returns 0,1,2,4,... instead of only 0 or 1. This causes wrongs results in the mincore system call. Check against 0 to get a proper boolean value. Signed-off-by:
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Martin Schwidefsky authored
Remove pagex pseudo page fault code. It does not work together with the system call speedup that makes the complete system call path enabled for interrupts. To make pagex and the syscall speedup code work together we would have to add code to the program check handler to do a critical section cleanup like the asynchronous interrupt code. This would make program checks slower. Not what we want. Newer versions of z/VM have the improved pfault pseudo page fault interface. This replaces the old pagex interface and does not have the problem. So its better to just rip out the pagex code. Signed-off-by:
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Cornelia Huck authored
Make the interface for setting ccw group devices on-/offline consistent with that for ccw devices: Check if the device driver provided a set_{on,off}line function and just set the device on-/offline if not. Signed-off-by:Cornelia Huck <cohuck@de.ibm.com> Signed-off-by:
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