- 07 Nov, 2005 40 commits
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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:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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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:
Christoph Hellwig <hch@lst.de> Acked-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:
Adrian Bunk <bunk@stusta.de> 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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Heiko Carstens authored
Don't switch back to 24 bit addressing mode when waiting for an external interrupt and set the correct bit in wait PSW (external mask instead of I/O mask). Signed-off-by:
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Cornelia Huck authored
Fix typos and add a section about cpus in the driver-model documentation. Signed-off-by:
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Martin Schwidefsky authored
The calculation of the value return by next_timer_interrupt from jiffies to jiffies_64 is racy against xtime updates. We need to protect the calculation with read_seqbegin/read_seqretry. Signed-off-by:
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Heiko Carstens authored
Always create all signal frames for pending signals before returning to userspace, not just a single one. Signed-off-by:
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Arthur Othieno authored
No one may sleep on us until we've been down()'d. So on allocation, initialize `sleepers' to 0, just like everyone else does. Signed-off-by:
Arthur Othieno <a.othieno@bluewin.ch> Acked-by:
Christian Zankel <chris@zankel.net> Signed-off-by:
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Adrian Bunk authored
"extern inline" doesn't make much sense. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
This patch reverts back the changes to HOSTCFLAGS and HOSTLDFLAGS When we were building complete binaries to get constants (such as ptrace register layout on stack) from host userspace headers, we needed to make the arch for building HOST binaries match our one: i.e. on a 64bit system compiling 32bit binaries, we compile 32-bit hostprogs and need, say, 32-bit ncurses. Now we can revert that - that avoids problem with, say, menuconfig and ncurses, on a system which can't compile well 32-bit programs. Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Remove usage of hardcoded constants in paging_init(). By chance I spotted a bug in zones_setup involving a change to ZONE_* constants, due to the ZONE_DMA32 patch from Andi Kleen (which is in -mm). So, possibly, instead of zones_size[2] you will find zones_size[3] in the code, but that change is wrong and this patch is still correct. Signed-off-by:
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Jeff Dike authored
This makes some of the tt-specific options actually depend on CONFIG_MODE_TT. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Paolo Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Jeff Dike authored
A number of fixes to improve behavior when large physical memory sizes are specified: - libc files need -D_FILE_OFFSET_BITS=64 because there are unavoidable uses of non-64 interfaces in libc - some %d need to be %u Signed-off-by:
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Bodo Stroesser authored
Patch imlements full LDT handling in SKAS: * UML holds it's own LDT table, used to deliver data on modify_ldt(READ) * UML disables the default_ldt, inherited from the host (SKAS3) or resets LDT entries, set by host's clib and inherited in SKAS0 * A new global variable skas_needs_stub is inserted, that can be used to decide, whether stub-pages must be supported or not. * Uses the syscall-stub to replace missing PTRACE_LDT (therefore, write_ldt_entry needs to be modified) Signed-off-by:
Bodo Stroesser <bstroesser@fujitsu-siemens.com> Signed-off-by:
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