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* docbook: librs typo fixesRandy Dunlap2007-05-08
| | | | | | | | librs docbook typo fixes. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* hide spinlock in linux/quota.h behind __KERNEL__Mike Frysinger2007-05-08
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Jan Kara <jack@ucw.cz> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Add taskstats.h to kbuildDavid Woodhouse2007-05-08
| | | | | | | | | | | | Add taskstats.h to include/linux/Kbuild, make headers_install would then pickup taskstats.h. This needs to be done as taskstats.h is a user interface header. Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Cc: Don Zickus <dzickus@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* synclink_gt use dynamic tty device registrationPaul Fulghum2007-05-08
| | | | | | | | Change synclink_gt driver to use dynamic tty device registration. Signed-off-by: Paul Fulghum <paulkf@microgate.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Misc: add sensable phantom driverJiri Slaby2007-05-08
| | | | | | | | Add sensable phantom driver Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* cpusets: allow empty {cpus,mems}_allowed to be set for unpopulated cpusetDavid Rientjes2007-05-08
| | | | | | | | | | | | | You currently cannot remove all cpus or mems from cpus_allowed or mems_allowed of a cpuset. We now allow both if there are no attached tasks. Acked-by: Paul Jackson <pj@sgi.com> Cc: Christoph Lameter <clameter@engr.sgi.com> Signed-off-by: Paul Menage <menage@google.com> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* procfs: use simple_read_from_buffer()Akinobu Mita2007-05-08
| | | | | | | | Cleanup using simple_read_from_buffer() in procfs. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Update the list information for kexec and kdumpSimon Horman2007-05-08
| | | | | | | | | There is a new list for kexec/kdump discussion. Signed-off-by: Simon Horman <horms@verge.net.au> Acked-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* old buffer overflow in moxa driverdann frazier2007-05-08
| | | | | | | | | | | | | | | | | I noticed that the moxa input checking security bug described by CVE-2005-0504 appears to remain unfixed upstream. The issue is described here: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0504 Debian has been shipping the following patch from Andres Salomon. (akpm: it's a privileged operation) Signed-off-by: dann frazier <dannf@hp.com> Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Fix error handling in HDIO_GETGEO compat wrapperAndreas Schwab2007-05-08
| | | | | | | | Don't clobber error from sys_ioctl in HDIO_GETGEO compat wrapper. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* laptop-mode URL updateZach Carter2007-05-08
| | | | | | | Signed-off-by: Zach Carter <linux@zachcarter.com> Cc: Bart Samwel <bart@samwel.tk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* doc: fix oops-tracing duplicateMichal Piotrowski2007-05-08
| | | | | | | | | Remove duplicate 'U' entry -- fix mis-merge. Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* udf: decrement correct link count in udf_rmdirStephen Mollett2007-05-08
| | | | | | | | | | | | | | | | | | | | It appears that a minor thinko occurred in udf_rmdir and the (already-cleared) link count on the directory that is being removed was being decremented instead of the link count on its parent directory. This gives rise to lots of kernel messages similar to: UDF-fs warning (device loop1): udf_rmdir: empty directory has nlink != 2 (8) when removing directory trees. No other ill effects have been observed but I guess it could theoretically result in the link count overflowing on a very long-lived, much modified directory. Signed-off-by: Stephen Mollett <molletts@yahoo.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Jan Kara <jack@ucw.cz> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fat: fix VFAT compat ioctls on 64-bit systemsOGAWA Hirofumi2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If you compile and run the below test case in an msdos or vfat directory on an x86-64 system with -m32 you'll get garbage in the kernel_dirent struct followed by a SIGSEGV. The patch fixes this. Reported and initial fix by Bart Oldeman #include <sys/types.h> #include <sys/ioctl.h> #include <dirent.h> #include <stdio.h> #include <unistd.h> #include <fcntl.h> struct kernel_dirent { long d_ino; long d_off; unsigned short d_reclen; char d_name[256]; /* We must not include limits.h! */ }; #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct kernel_dirent [2]) #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct kernel_dirent [2]) int main(void) { int fd = open(".", O_RDONLY); struct kernel_dirent de[2]; while (1) { int i = ioctl(fd, VFAT_IOCTL_READDIR_BOTH, (long)de); if (i == -1) break; if (de[0].d_reclen == 0) break; printf("SFN: reclen=%2d off=%d ino=%d, %-12s", de[0].d_reclen, de[0].d_off, de[0].d_ino, de[0].d_name); if (de[1].d_reclen) printf("\tLFN: reclen=%2d off=%d ino=%d, %s", de[1].d_reclen, de[1].d_off, de[1].d_ino, de[1].d_name); printf("\n"); } return 0; } Signed-off-by: Bart Oldeman <bartoldeman@users.sourceforge.net> Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* dma_declare_coherent_memory wrong allocationGuennadi Liakhovetski2007-05-08
| | | | | | | | | | | | | dma_declare_coherent_memory() allocates a bitmap 1 bit per page, it calculates the bitmap size based on size of long, but allocates bytes... Thanks to James Bottomley for clarifications and corrections. Signed-off-by: G. Liakhovetski <g.liakhovetski@gmx.de> Acked-by: James Bottomley <James.Bottomley@SteelEye.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Driver for the Maxim DS1WM, a 1-wire bus master ASIC coreakpm@linux-foundation.org2007-05-08
| | | | | | | | | | Cc: Matt Reimer <mreimer@vpop.net> [akpm@linux-foundation.org: kconfig update] Signed-off-by: Matt Reimer <mreimer@vpop.net> Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* w1: allow bus master to have reset and byte opsEvgeniy Polyakov2007-05-08
| | | | | | | Signed-off-by: Matt Reimer <mreimer@vpop.net> Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* W1 printk format warning fixEvgeniy Polyakov2007-05-08
| | | | | Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Move LOG_BUF_SHIFT to a more sensible placeAlistair John Strachan2007-05-08
| | | | | | | | | | | | | | | | | Several people have observed that perhaps LOG_BUF_SHIFT should be in a more obvious place than under DEBUG_KERNEL. Under some circumstances (such as the PARISC architecture), DEBUG_KERNEL can increase kernel size, which is an undesirable trade off for something as trivial as increasing the kernel log buffer size. Instead, move LOG_BUF_SHIFT into "General Setup", so that people are more likely to be able to change it such a circumstance that the default buffer size is insufficient. Signed-off-by: Alistair John Strachan <s0348365@sms.ed.ac.uk> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* x86_64: kill 19000+ sparse warningsRandy Dunlap2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Eliminate 19439 (!!) sparse warnings like: include/linux/mm.h:321:22: warning: constant 0xffff810000000000 is so big it is unsigned long Eliminate 56 sparse warnings like: arch/x86_64/kernel/setup.c:248:16: warning: constant 0xffffffff80000000 is so big it is unsigned long Eliminate 5 sparse warnings like: arch/x86_64/kernel/module.c:49:13: warning: constant 0xfffffffffff00000 is so big it is unsigned long Eliminate 23 sparse warnings like: arch/x86_64/mm/init.c:551:37: warning: constant 0xffffc20000000000 is so big it is unsigned long Eliminate 6 sparse warnings like: arch/x86_64/kernel/module.c:49:13: warning: constant 0xffffffff88000000 is so big it is unsigned long Eliminate 23 sparse warnings like: arch/x86_64/mm/init.c:552:6: warning: constant 0xffffe1ffffffffff is so big it is unsigned long Eliminate 3 sparse warnings like: arch/x86_64/kernel/e820.c:186:17: warning: constant 0x3fffffffffff is so big it is long Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* consolidate asm/const.h to linux/const.hRandy Dunlap2007-05-08
| | | | | | | | | | | | | | | Make a global linux/const.h header file instead of having multiple, per-arch files, and convert current users of asm/const.h to use linux/const.h. Built on x86_64 and sparc64. [akpm@linux-foundation.org: fix include/asm-x86_64/Kbuild] Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* tpm: fix sleep-in-spinlockParag Warudkar2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | flush_scheduled_work() can sleep, and we're calling it under spinlock. AFAICS, moving flush_scheduled_work before spin_lock() should not cause any problems. Reason being - The only thing that can race against tpm_release is tpm_open (tpm_release is called when last reference to the file is closed and only thing that can happen after that is tpm_open??) and tpm_open acquires driver_lock and more over it bails out with EBUSY if chip->num_opens is greater than 0. I also moved chip->num_pending-- to after deleting timer and setting data pending as it looks more correct for the paranoid although it probably doesn't matter as it is guarded by driver_lock. None the less this change should not cause problems. While I was at it I noticed a missing NULL check in tpm_register_hardware which is fixed with this patch as well. Signed-off-by: Parag Warudkar <parag.warudkar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Fix chapter reference in CodingStyleJesper Juhl2007-05-08
| | | | | | | | | | | commit 226a6b84aaaf1fac7a5d41cf4e7387fd9ba895d5 renumbered Chapter 11 in Documentation/CodingStyle to Chapter 12, but it didn't update the reference to that chapter further down in the file. This patch corrects the chapter reference. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ext3: copy i_flags to inode flags on writeJan Kara2007-05-08
| | | | | | | | | | Propagate flags such as S_APPEND, S_IMMUTABLE, etc. from i_flags into ext2-specific i_flags. Hence, when someone sets these flags via a different interface than ioctl, they are stored correctly. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* fat: don't use free_clusters for fat32OGAWA Hirofumi2007-05-08
| | | | | | | | | | | | | | It seems that the recent Windows changed specification, and it's undocumented. Windows doesn't update ->free_clusters correctly. This patch doesn't use ->free_clusters by default. (instead, add "usefree" for forcing to use it) Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Juergen Beisert <juergen127@kreuzholzen.de> Cc: Andreas Schwab <schwab@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* lockdep: removed unused ip argument in mark_lock & mark_held_locksJarek Poplawski2007-05-08
| | | | | | | | | It looks like a remainder from designing... Signed-off-by: Jarek Poplawski <jarkao@o2.pl> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Clean up mostly unused IOSPACE macrosDavid Gibson2007-05-08
| | | | | | | | | | | | | | | Most architectures defined three macros, MK_IOSPACE_PFN(), GET_IOSPACE() and GET_PFN() in pgtable.h. However, the only callers of any of these macros are in Sparc specific code, either in arch/sparc, arch/sparc64 or drivers/sbus. This patch removes the redundant macros from all architectures except sparc and sparc64. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kill warnings when building mandocsBorislav Petkov2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch shuts warnings of the sort: make -C /mnt/samsung_200/sam/kernel/trees/21-rc6/build \ KBUILD_SRC=/mnt/samsung_200/sam/kernel/trees/21-rc6 \ KBUILD_EXTMOD="" -f /mnt/samsung_200/sam/kernel/trees/21-rc6/Makefile mandocs make -f /mnt/samsung_200/sam/kernel/trees/21-rc6/scripts/Makefile.build obj=scripts/basic make -f /mnt/samsung_200/sam/kernel/trees/21-rc6/scripts/Makefile.build obj=Documentation/DocBook mandocs SRCTREE=/mnt/samsung_200/sam/kernel/trees/21-rc6/ /mnt/samsung_200/sam/kernel/trees/21-rc6/build/scripts/basic/docproc doc /mnt/samsung_200/sam/kernel/trees/21-rc6/Documentation/DocBook/wanbook.tmpl >Documentation/DocBook/wanbook.xml if grep -q refentry Documentation/DocBook/wanbook.xml; then xmlto man -m /mnt/samsung_200/sam/kernel/trees/21-rc6/Documentation/DocBook/stylesheet.xsl -o Documentation/DocBook/man Documentation/DocBook/wanbook.xml ; gzip -f Documentation/DocBook/man/*.9; fi Note: meta version: No productnumber or alternative sppp_close Note: meta version: No refmiscinfo@class=version sppp_close Note: Writing sppp_close.9 Note: meta version: No productnumber or alternative sppp_open Note: meta version: No refmiscinfo@class=version sppp_open by adding a RefMiscInfo xml tag in the form of the current kernel version to the function, struct and enum definitions in files included by kernel-doc when building 'mandocs'. However, the version string appears truncated on the manpage due to some constraints in the xml DTD for the man header, I believe, for the troff output is truncated too. Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* drivers/char: use __set_current_state()Milind Arun Choudhary2007-05-08
| | | | | | | | | use __set_current_state(TASK_*) instead of current->state = TASK_*, Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* reiserfs: use __set_current_state()Milind Arun Choudhary2007-05-08
| | | | | | | | | | use __set_current_state(TASK_*) instead of current->state = TASK_*, in fs/reiserfs Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Cc: <reiserfs-dev@namesys.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* The scheduled -EINVAL for invalid timevals in setitimerAdrian Bunk2007-05-08
| | | | | | | | | | As scheduled, do_setitimer() now returns -EINVAL for invalid timeval. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Clean up mutex_trylock noiseJean Delvare2007-05-08
| | | | | | | | | | | | Ingo Molnar's semaphore to mutex conversions left some noise on a few trylock calls. Clean it up. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* jbd: check for error returned by kthread_create on creating journal threadPavel Emelianov2007-05-08
| | | | | | | | | | | | | | | | | If the thread failed to create the subsequent wait_event will hang forever. This is likely to happen if kernel hits max_threads limit. Will be critical for virtualization systems that limit the number of tasks and kernel memory usage within the container. (akpm: JBD should be converted fully to the kthread API: kthread_should_stop() and kthread_stop()). Cc: <linux-ext4@vger.kernel.org> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* check privileges before setting mount propagationMiklos Szeredi2007-05-08
| | | | | | | | | | There's a missing check for CAP_SYS_ADMIN in do_change_type(). Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* console UTF-8 fixesEgmont Koblinger2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The UTF-8 part of the vt driver suffers from the following issues which are addressed in my patch: 1) If there's no glyph found for a particular valid UTF-8 character, we try to display U+FFFD. However if this one is not found either, here's what the current kernel does: - First, if the Unicode value is less than the number of glyphs, use the glyph directly from that position of the glyph table. While it may be a good idea in the 8-bit world, it has absolutely no sense with Unicode in mind. For example, if a Latin-2 font is loaded and an application prints U+00FB ("u with circumflex", not present in Latin-2) then as a fallback solution the glyph from the 0xFB position of the Latin-2 fontset (which is an "u with double accent" - a different character) is displayed. - Second, if this fallback fails too, a simple ASCII question mark is printed, which is visually undistinguishable from a real question mark. I changed the code to skip the first step (except if in non-UTF-8 mode), and changed the second step to print the question mark with inverse color attributes, so it is visually clear that it's not a real question mark, and resembles more to the common glyph of U+FFFD. 2) The UTF-8 decoder is buggy in many ways: - Lone continuation bytes (section 3.1 of Markus Kuhn's UTF-8 stress test) are not caught, they are displayed as some "random" (taken directly form the font table, see above) glyphs instead the replacement character. - Incomplete sequences (sections 3.2 and 3.3 of the stress test) emit no replacement character, but rather cause the subsequent valid character to be displayed more times(!). - The decoder is not safe: overlong sequences are not caught currently, they are displayed as if these were valid representations. This may even have security impacts. - The decoder does not handle D800..DFFF and FFFE..FFFF specially, it just emits these code points and lets it be looked up in the glyph table. Since these are invalid code points, I replace them by U+FFFD and hence give no chance for them to be looked up in the glyph table. (Assuming no font ships glyphs for these code points, this change is not visible to the users since the glyph shown will be the same.) With my fixes to the decoder it now behaves exactly as Markus Kuhn's stress test recommends. 3) It has no concept of double-width (CJK) characters. It's way beyond the scope of my patch to try to display them, but at least I think it's important for the cursor to jump two positions when printing such characters, since this is what applications (such as text editors) expect. Currently the cursor only jumps one position, and hence applications suffer from displaying and refreshing problems, and editing some English letters that are preceded by some CJK characters in the same line is a nightmare. With my patch an additional space is inserted after the CJK character has been printed (which usually means a replacement symbol of course). (If U+FFFD isn't availble and hence an inverse question mark is displayed in the first cell, I keep the inverted state for the space in the 2nd column so it's quite easy to see that they are tied together.) 4) There is a small built-in table of zero-width spaces that are not to be printed but silently skipped. U+200A is included there, but it's not a zero-width character, so I remove it from there. Signed-off-by: Egmont Koblinger <egmont@uhulinux.hu> Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* CodingStyle: start flamewar about use of bracesOliver Neukum2007-05-08
| | | | | | | Signed-off-by: Oliver Neukum <oneukum@suse.de> Cc: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ext3: copy i_flags to inode flags on writeJan Kara2007-05-08
| | | | | | | | | | | | | | | | | | | | A patch that stores inode flags such as S_IMMUTABLE, S_APPEND, etc. from i_flags to EXT3_I(inode)->i_flags when inode is written to disk. The same thing is done on GETFLAGS ioctl. Quota code changes these flags on quota files (to make it harder for sysadmin to screw himself) and these changes were not correctly propagated into the filesystem (especially, lsattr did not show them and users were wondering...). Propagate flags such as S_APPEND, S_IMMUTABLE, etc. from i_flags into ext3-specific i_flags. Hence, when someone sets these flags via a different interface than ioctl, they are stored correctly. Signed-off-by: Jan Kara <jack@suse.cz> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* CPU time limit patch / setrlimit(RLIMIT_CPU, 0) cheat fixTom Alsberg2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As discovered here today, the change in Kernel 2.6.17 intended to inhibit users from setting RLIMIT_CPU to 0 (as that is equivalent to unlimited) by "cheating" and setting it to 1 in such a case, does not make a difference, as the check is done in the wrong place (too late), and only applies to the profiling code. On all systems I checked running kernels above 2.6.17, no matter what the hard and soft CPU time limits were before, a user could escape them by issuing in the shell (sh/bash/zsh) "ulimit -t 0", and then the user's process was not ever killed. Attached is a trivial patch to fix that. Simply moving the check to a slightly earlier location (specifically, before the line that actually assigns the limit - *old_rlim = new_rlim), does the trick. Do note that at least the zsh (but not ash, dash, or bash) shell has the problem of "caching" the limits set by the ulimit command, so when running zsh the fix will not immediately be evident - after entering "ulimit -t 0", "ulimit -a" will show "-t: cpu time (seconds) 0", even though the actual limit as returned by getrlimit(...) will be 1. It can be verified by opening a subshell (which will not have the values of the parent shell in cache) and checking in it, or just by running a CPU intensive command like "echo '65536^1048576' | bc" and verifying that it dumps core after one second. Regardless of whether that is a misfeature in the shell, perhaps it would be better to return -EINVAL from setrlimit in such a case instead of cheating and setting to 1, as that does not really reflect the actual state of the process anymore. I do not however know what the ground for that decision was in the original 2.6.17 change, and whether there would be any "backward" compatibility issues, so I preferred not to touch that right now. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* serial_txx9: zap changelog from source codeAtsushi Nemoto2007-05-08
| | | | | | | Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* serial_txx9: Use assigned device numbersAtsushi Nemoto2007-05-08
| | | | | | | | | | | | | The serial_txx9 driver have abused device numbers (major 4, minor 128) if CONFIG_SERIAL_TXX9_STDSERIAL was not set. This patch makes the driver use proper device numbers assigned for it (major 204, minor 196-203). I suppose a typical user of this driver set CONFIG_SERIAL_TXX9_STDSERIAL to Y (i.e. use "ttyS0"), so this patch would not cause big compatibility issue. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* getdelays.c: fix overrunScott Wiersdorf2007-05-08
| | | | | | | | A patch for getdelays.c that fixes a buffer overrun when you set -w. Cc: <matt@bluehost.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Document SPIN_LOCK_UNLOCKED/RW_LOCK_UNLOCKED deprecationMichael Ellerman2007-05-08
| | | | | | | | | | | | | | Apparently it's not cool anymore to use SPIN/RW_LOCK_UNLOCKED. There's some mention of this in Documentation/spinlocks.txt, but that only talks about dynamic initialisation. A comment in the code mentioning the preferred usage would be good IMHO. [akpm@linux-foundation.org: add reason for deprecation] Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Introduce a handy list_first_entry macroPavel Emelianov2007-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are many places in the kernel where the construction like foo = list_entry(head->next, struct foo_struct, list); are used. The code might look more descriptive and neat if using the macro list_first_entry(head, type, member) \ list_entry((head)->next, type, member) Here is the macro itself and the examples of its usage in the generic code. If it will turn out to be useful, I can prepare the set of patches to inject in into arch-specific code, drivers, networking, etc. Signed-off-by: Pavel Emelianov <xemul@openvz.org> Signed-off-by: Kirill Korotaev <dev@openvz.org> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Zach Brown <zach.brown@oracle.com> Cc: Davide Libenzi <davidel@xmailserver.org> Cc: John McCutchan <ttb@tentacle.dhs.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Cc: Ram Pai <linuxram@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* pnpbios: convert to use the kthread APIEric W. Biederman2007-05-08
| | | | | | | | | | | | This patches modifies the pnpbios kernel thread to start with ktrhead_run not kernel_thread and deamonize. Doing this makes the code a little simpler and easier to maintain. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* smbfs: remove unnecessary allow_signalEric W. Biederman2007-05-08
| | | | | | Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Taskstats: fix getdelays usage informationRandy Dunlap2007-05-08
| | | | | | | | | | Add usage to getdelays.c. This patch was originally posted by Randy Dunlap http://lkml.org/lkml/2007/3/19/168 Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Balbir Singh <balbir@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* lockdep: lookup_chain_cache comment errataJarek Poplawski2007-05-08
| | | | | | | Signed-off-by: Jarek Poplawski <jarkao2@o2.pl> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* SPIN_LOCK_UNLOCKED cleanup in drivers/serialMilind Arun Choudhary2007-05-08
| | | | | | | | SPIN_LOCK_UNLOCKED cleanup,use __SPIN_LOCK_UNLOCKED instead Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* SPIN_LOCK_UNLOCKED cleanup in drivers/char/keyboardMilind Arun Choudhary2007-05-08
| | | | | | | | | SPIN_LOCK_UNLOCKED cleanup,use __SPIN_LOCK_UNLOCKED instead Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* SPIN_LOCK_UNLOCKED cleanup in init_task.hMilind Arun Choudhary2007-05-08
| | | | | | | | SPIN_LOCK_UNLOCKED cleanup,use __SPIN_LOCK_UNLOCKED instead Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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