- 17 Oct, 2007 40 commits
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Randy Dunlap authored
You are not allowed to post to this mailing list, and your message has been automatically rejected. If you think that your messages are being rejected in error, contact the mailing list owner at linux-omap-open-source-owner@linux.omap.com. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Ralf Baechle authored
dma_cache_(wback|inv|wback_inv) were the earliest attempt on a generalized cache managment API for I/O purposes. Originally it was basically the raw MIPS low level cache API exported to the entire world. The API has suffered from a lack of documentation, was not very widely used unlike it's more modern brothers and can easily be replaced by dma_cache_sync. So remove it rsp. turn the surviving bits back into an arch private API, as discussed on linux-arch. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Acked-by:
Paul Mundt <lethal@linux-sh.org> Acked-by:
Paul Mackerras <paulus@samba.org> Acked-by:
David S. Miller <davem@davemloft.net> Acked-by:
Kyle McMartin <kyle@parisc-linux.org> Acked-by:
Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by:
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J. Bruce Fields authored
As it stands this comment is confusing, and not quite grammatical. Signed-off-by:
J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by:
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Matti Linnanvuori authored
Acked-by:
Arjan van de Ven <arjan@linux.intel.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Ralf Baechle authored
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Cedric Le Goater authored
Finish the work : kill all #ifdef CONFIG_IPC_NS. Thanks Robert ! Signed-off-by:
Cedric Le Goater <clg@fr.ibm.com> Cc: Eric Biederman <ebiederm@xmision.com> Cc: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by:
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Satyam Sharma authored
drivers/message/i2o/exec-osm.c:539: warning: `i2o_exec_lct_notify' defined but not used comes when CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=n, because its only callsite is #ifdef'ed as such. So let's #ifdef the function definition also. Also move the definition to before the callsite, to get rid of forward prototype. [akpm@linux-foundation.org: fix warnings] Signed-off-by:
Satyam Sharma <satyam@infradead.org> Signed-off-by:
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Andy Whitcroft authored
This version brings a number of new checks, and a number of bug fixes. Of note: - better categorisation and space checks for dual use unary/binary operators - warn on deprecated use of {SPIN,RW}_LOCK_UNLOCKED - check if/for/while with trailing ';' for hanging statements - detect DOS line endings - detect redundant casts for kalloc() Andy Whitcroft (18): Version: 0.10 asmlinkage is also a storage type pull out inline specifiers allow only some operators before a unary operator parenthesised values may span line ends add additional attribute matching handle sparse annotations within pointer type space checks support alternative function definition syntax for typedefs check if/for/while with trailing ';' for hanging statements fix output format for case checks deprecate SPIN_LOCK_UNLOCKED and RW_LOCK_UNLOCKED allow complex macros with bracketing braces detect and report DOS line endings fastcall is a valid function attribute bracket spacing is ok for 'for' categorise operators into unary/binary/definitions add heuristic to pick up on unannotated types remove spurious warnings from cat_vet Dave Jones (1): Make checkpatch warn about pointless casting of kalloc returns. Signed-off-by:Andy Whitcroft <apw@shadowen.org> Signed-off-by:
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Bill Nottingham authored
As of now, the kernel defaults to non-unicode and XLATE for the keyboard. We've been changing this in Fedora, but that requires patching the defaults in the kernel. The attached introduces CONFIG_VT_UNICODE, which sets the console in unicode mode by default on boot, including both the virtual terminal and the keyboard driver. Signed-off-by:
Bill Nottingham <notting@redhat.com> Cc: Samuel Thibault <samuel.thibault@ens-lyon.org> Cc: Dmitry Torokhov <dtor@mail.ru> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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Peter Lund authored
Negative shifts are not allowed in C (the result is undefined). Same thing with full-width shifts. It works on most platforms but not on the VAX with gcc 4.0.1 (it results in an "operand reserved" fault). Shifting by more than the width of the value on the left is also not allowed. I think the extra '>> 1' tacked on at the end in the original code was an attempt to work around that. Getting rid of that is an extra feature of this patch. Here's the chapter and verse, taken from the final draft of the C99 standard ("6.5.7 Bitwise shift operators", paragraph 3): "The integer promotions are performed on each of the operands. The type of the result is that of the promoted left operand. If the value of the right operand is negative or is greater than or equal to the width of the promoted left operand, the behavior is undefined." Thank you to Jan-Benedict Glaw, Christoph Hellwig, Maciej Rozycki, Pekka Enberg, Andreas Schwab, and Christoph Lameter for review. Special thanks to Andreas for spotting that my fix only removed half the undefined behaviour. Signed-off-by:Peter Lund <firefly@vax64.dk> Christoph Lameter <clameter@sgi.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: "Maciej W. Rozycki" <macro@linux-mips.org> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Andreas Schwab <schwab@suse.de> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: WU Fengguang <wfg@mail.ustc.edu.cn> Signed-off-by:
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Jan Beulich authored
.. in an effort to make read-only whatever can be made, so that CONFIG_DEBUG_RODATA can catch as many issues as possible. Signed-off-by:
Jan Beulich <jbeulich@novell.com> Signed-off-by:
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Jan Beulich authored
__setup_str_* are referenced only during boot, hence there's no need to waste image space for aligning these strings (with the aim of improving performance). Signed-off-by:
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Jan Beulich authored
Various architectures may call bust_spinlocks() recursively; the function itself, however, doesn't appear to be meant to be called in this manner. Nevertheless, this doesn't appear to be a problem as long as bust_spinlocks(0) doesn't get called twice in a row (otherwise, unblank_screen() may enter the scheduler). However, at least on i386 die() has been capable of returning (and on other architectures this should really be that way, too) when notify_die() returns NOTIFY_STOP. Short of getting a reply to a respective query, this patch makes bust_spinlocks() increment/decrement oops_in_progress, and wake klogd only when the count drops back to zero. Signed-off-by:
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Robert P. J. Day authored
To go along with the existing "roundup_pow_of_two" routine, add one for rounding down since that operation appears to crop up on a regular basis in the source tree. [m.kozlowski@tuxland.pl: fix unbalanced parentheses] Signed-off-by:
Robert P. J. Day <rpjday@mindspring.com> Signed-off-by:
Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by:
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Arjan van de Ven authored
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Jan Kara authored
Implement sending of quota messages via netlink interface. The advantage is that in userspace we can better decide what to do with the message - for example display a dialogue in your X session or just write the message to the console. As a bonus, we can get rid of problems with console locking deep inside filesystem code once we remove the old printing mechanism. Signed-off-by:
Jan Kara <jack@suse.cz> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Robert P. J. Day authored
Since the "ramdisk" kernel parameter has been officially deprecated since at least 2.6.18, might as well finally get rid of it. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Randy Dunlap authored
initrd/initramfs/ramdisk docs: - fix typos/spellos/grammar - clarify RAM disk config location - correct cpio option Acked-by:
Bryan O'Sullivan <bos@serpentine.com> Acked-by:
Rob Landley <rob@landley.net> Cc: Werner Almesberger <werner@almesberger.net> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by:
Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by:
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Mathieu Desnoyers authored
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Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Grant Grundler <grundler@parisc-linux.org> Signed-off-by:
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Grant Grundler authored
local_t is a variant of atomic_t and has related ops to match. Add reference for local_t documentation to atomic_ops.txt. Signed-off-by:
Grant Grundler <grundler@parisc-linux.org> Signed-off-by:
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Mathieu Desnoyers authored
Grant Grundler was asking for more detail about correct usage of local atomic operations and suggested adding the resulting summary to local_ops.txt. "Please add a bit more detail. If DaveM is correct (he normally is), then there must be limits on how the local_t can be used in the kernel process and interrupt contexts. I'd like those rules spelled out very clearly since it's easy to get wrong and tracking down such a bug is quite painful." Signed-off-by:
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Robert P. J. Day authored
Since CONFIG_RAMFS is currently hard-selected to "y", and since Documentation/filesystems/ramfs-rootfs-initramfs.txt reads as follows: "The amount of code required to implement ramfs is tiny, because all the work is done by the existing Linux caching infrastructure. Basically, you're mounting the disk cache as a filesystem. Because of this, ramfs is not an optional component removable via menuconfig, since there would be negligible space savings." It seems pointless to leave this as a Kconfig entry. Signed-off-by:
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Adrian Bunk authored
The Coverity checker spotted that we have already oops'ed if "disk" was NULL. Since "disk" being NULL seems impossible at this point this patch removes the NULL check. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Acked-by:
Mike Miller <mike.miller@hp.com> Signed-off-by:
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Adrian Bunk authored
{,un}register_timer_hook() is the API that should be used. Signed-off-by:Adrian Bunk <bunk@kernel.org> Signed-off-by:
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Adrian Bunk authored
kernel/sys_ni.c can't #include <linux/syscalls.h> due to cond_syscall(), but let's tell gcc to not warn with -Wmissing-prototypes. Signed-off-by:
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Adrian Bunk authored
The Coverity checker spotted that we'd have already oops'ed if "tty" was NULL. Since "tty" can't be NULL when we reach this line of code this patch removes the NULL check. Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Adrian Bunk authored
All asm/ipc.h files do only #include <asm-generic/ipc.h>. This patch therefore removes all include/asm-*/ipc.h files and moves the contents of include/asm-generic/ipc.h to include/linux/ipc.h. Signed-off-by:
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Alexey Dobriyan authored
mm.h doesn't use directly anything from mutex.h and backing-dev.h, so remove them and add them back to files which need them. Cross-compile tested on many configs and archs. Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Steve Cameron authored
This fixes a problem with the way cciss was filling out the "errors" field of the request structure upon completion of requests. Previously, it just put a 1 or a 0 in there and used the negation of this as the uptodate parameter to one of the functions in the block layer, being a block device. For the SG_IO ioctl, this was not sufficient, and we noticed that, for example, sg_turs from sg3_utils did not correctly detect problems due to cciss having set rq->errors incorrectly. Signed-off-by:
Stephen M. Cameron <steve.cameron@hp.com> Acked-by:
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Paul Clements authored
Allow NBD I/O to be cancelled when a network outage occurs. Previously, I/O would just hang, and if enough I/O was hung in nbd, the system (at least user-level) would completely hang until a TCP timeout (default, 15 minutes) occurred. The patch introduces a new ioctl NBD_SET_TIMEOUT that allows a transmit timeout value (in seconds) to be specified. Any network send that exceeds the timeout will be cancelled and the nbd connection will be shut down. I've tested with various timeout values and 6 seconds seems to be a good choice for the timeout. If the NBD_SET_TIMEOUT ioctl is not called, you get the old (I/O hang) behavior. Signed-off-by:
Paul Clements <paul.clements@steeleye.com> Signed-off-by:
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Paul Clements authored
This fixes errors with utilities (such as LVM's vgscan) that try to scan all devices. Previously this would generate read errors when uninitialized nbd devices were scanned: # vgscan Reading all physical volumes. This may take a while... /dev/nbd0: read failed after 0 of 1024 at 0: Input/output error /dev/nbd0: read failed after 0 of 1024 at 509804544: Input/output error /dev/nbd0: read failed after 0 of 2048 at 0: Input/output error /dev/nbd1: read failed after 0 of 1024 at 509804544: Input/output error /dev/nbd1: read failed after 0 of 2048 at 0: Input/output error From now on, uninitialized nbd devices will have size zero, which prevents these errors. Signed-off-by:
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Alan Cox authored
I would suggest this change to make CodingStyle properly reflect the style used by the kernel, rather than the current wording which is wishful thinking and misleading, and comes from the same school of thought that gets off on prescriptive grammar, latin and comp.std.c Signed-off-by:
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Jan Beulich authored
AUTO_DMA and FLOPPY_MOTOR_MASK in include/asm-*/floppy.h are dead symbols - remove them. Signed-off-by:
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Jan Beulich authored
The floppy driver is already written to be able to operate in virtual DMA mode. Thus it can easily be adjusted to tolerate failure from fd_request_dma() as long as virtual DMA mode is not disallowed. Signed-off-by:
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Avi Kivity authored
Kconfig.preempt is not included on some archs (for example, m68k). On those archs, the Kconfig machinery complains that KVM selects an undefined symbol PREEMPT_NOTIFIERS (which lives in Kconfig.preempt). So move the offending symbol into a Kconfig file which is included by everyone. Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
Avi Kivity <avi@qumranet.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Alan Cox authored
No longer used. TTY_FLIPBUF_SIZE will also go soon but needs a couple of other cleanups first Signed-off-by:
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Alexey Dobriyan authored
robust_list, compat_robust_list, pi_state_list, pi_state_cache are really used if futexes are on. Signed-off-by:
Alexey Dobriyan <adobriyan@sw.ru> Acked-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Ken'ichi Ohmichi authored
Add a prefix "VMCOREINFO_" to the vmcoreinfo macros. Old vmcoreinfo macros were defined as generic names SYMBOL/SIZE/OFFSET /LENGTH/CONFIG, and it is impossible to grep for them. So these names should be changed. This discussion is the following: http://www.ussg.iu.edu/hypermail/linux/kernel/0709.1/0415.htmlSigned-off-by:
Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Signed-off-by:
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Ken'ichi Ohmichi authored
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Ken'ichi Ohmichi authored
[2/3] Add nodemask_t's size and NR_FREE_PAGES's value to vmcoreinfo_data. The dump filetering command 'makedumpfile'(v1.1.6 or before) had assumed the above values, and it was not good from the reliability viewpoint. So makedumpfile v1.2.0 came to need these values and I created the patch to let the kernel output them. makedumpfile site: https://sourceforge.net/projects/makedumpfile/Signed-off-by:
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