- 29 Apr, 2008 40 commits
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Jan Engelhardt authored
A command that causes a line feed while a background color is active, such as perl -e 'print "x" x 60, "\e[44m", "x" x 40, "\e[0m\n"' and perl -e 'print "x" x 40, "\e[44m\n", "x" x 40, "\e[0m\n"' causes the line that was started as a result of the line feed to be completely filled with the currently active background color instead of the default color. When scrolling, part of the current screen is memcpy'd/memmove'd to the new region, and the new line(s) that will appear as a result are cleared using memset. However, the lines are cleared with vc->vc_video_erase_char, causing them to be colored with the currently active background color. This is different from X11 terminal emulators which always paint the new lines with the default background color (e.g. `xterm -bg black`). The clear operation (\e[1J and \e[2J) also use vc_video_erase_char, so a new vc->vc_scrl_erase_char is introduced with contains the erase character used for scrolling, which is built from vc->vc_def_color instead of vc->vc_color. Signed-off-by:
Jan Engelhardt <jengelh@computergmbh.de> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Thomas Petazzoni authored
Instead of using the malloc() and free() wrappers needed by the lib/inflate.c code for allocations, simply use kmalloc() and kfree() in the initramfs code. This is needed for a further lib/inflate.c-related cleanup patch that will remove the malloc() and free() functions. Take that opportunity to remove the useless kmalloc() return value cast. Based on work done by Matt Mackall. Signed-off-by:
Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by:
Matt Mackall <mpm@selenic.com> Cc: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by:
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Dave Young authored
Due to the rcupreempt.h WARN_ON trigged, I got 2G syslog file. For some serious complaining of kernel, we need repeat the warnings, so here I isolate the ratelimit part of printk.c to a standalone file. Signed-off-by:
Dave Young <hidave.darkstar@gmail.com> Acked-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Tested-by:
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OGAWA Hirofumi authored
We need to check ->s_dirt before calling write_super(). It became the cause of an unneeded write. This bug was noticed by Sudhanshu Saxena. Signed-off-by:
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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David Howells authored
Add missing consts to xattr function arguments. Signed-off-by:
David Howells <dhowells@redhat.com> Cc: Andreas Gruenbacher <agruen@suse.de> Signed-off-by:
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Jan Blunck authored
Remove lives_below_in_same_fs() since is_subdir() from fs/dcache.c is providing the same functionality. Signed-off-by:
Jan Blunck <jblunck@suse.de> Acked-by:
Miklos Szeredi <mszeredi@suse.cz> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
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Matthias Kaehlcke authored
fs/inode.c: use hlist_for_each_entry() in find_inode() and find_inode_fast() [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Matthias Kaehlcke <matthias@kaehlcke.net> Signed-off-by:
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Jan Kara authored
Many inodes have no pagecache, so we can avoid lots of lock-takings. Signed-off-by:
Jan Kara <jack@suse.cz> Cc: Fengguang Wu <wfg@mail.ustc.edu.cn> Signed-off-by:
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Jan Kara authored
Fix longstanding lock inversion in drop_pagecache_sb by dropping inode_lock before calling __invalidate_mapping_pages(). We just have to make sure inode won't go away from under us by keeping reference to it and putting the reference only after we have safely resumed the scan of the inode list. A bit tricky but not too bad... Signed-off-by:
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FUJITA Tomonori authored
iommu_is_span_boundary in lib/iommu-helper.c was exported for PARISC IOMMUs (commit 3715863a). SWIOTLB can use it instead of the homegrown function. Signed-off-by:
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by:
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Andrew Morton authored
There's a pointlessly braced block of code in there. Remove the braces and save a tabstop. Cc: Andi Kleen <ak@suse.de> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Jan Beulich <jbeulich@novell.com> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by:
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Ciaran McCreesh authored
Before requesting firmware, printk a message saying what we're requesting. This makes it easier to see what's going on, and provides an explanation for the huge silent delay that one would otherwise get after accidentally building ipw2200 as a non-module. Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Robert P. J. Day authored
Signed-off-by:
Robert P. J. Day <rpjday@crashcourse.ca> Acked-by:
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David Howells authored
Check that the size of the read returned by kernel_read() is what we asked for. If it isn't, then reject the binary as being a badly formatted. Signed-off-by:
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Ilpo Järvinen authored
Signed-off-by:
Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by:
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Andy Whitcroft authored
This version brings a few fixes for the extern checks, and a couple of new checks. Of note: - false is now recognised as a 0 assignment in static/external assignments, - printf format strings including %L are reported, - a number of fixes for the extern in .c file detector which had temporarily lost its ability to detect variables; undetected due to the loss of its test. Andy Whitcroft (8): Version: 0.18 false should trip 0 assignment checks tests: reinstate missing tests tests: allow specification of the file extension for a test fix extern checks for variables check for and report %Lu, %Ld, and %Li ensure we only start a statement on lines with some content extern spacing Signed-off-by:Andy Whitcroft <apw@shadowen.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Andy Whitcroft authored
This version brings improvements to external declaration detection, fixes to quote tracking, fixes to unary tracking, some clarification of wording, and the usual slew of fixes for false positives. Of note: - much better unary tracking across preprocessor directives - UTF8 checks highlight the character at fault - widening of mutex detection Andy Whitcroft (17): Version: 0.17 values: __attribute__ carries through the previous type quotes: should only follow "positive" lines clarify the indent tabs over spaces wording loosen NR_CPUS check for array range initialisers detect external function declarations without an extern prefix function declaration arguments should be with the identifier DEFINE_MUTEX should report in line with struct mutex NR_CPUS is valid in preprocessor statements comment detection should not start on the @@ line types: add support for #undef tighten mutex/completion reports to usage allow export of function pointers values: preprocessor #define is out of line maintain values values: #define does not always have parentheses unary '*' may be const utf8 checks should report location of the invalid character Wolfram Sang (1): make checkpatch.pl really skip <asm/irq.h> Signed-off-by: -
Joe Perches authored
The new version of indent supports positioning labels in column 1 using "-il0" http://www.nabble.com/Release-2.2.10-of-GNU-Indent-td15990700.html Add "-il0" if indent version >= 2.2.10 Signed-off-by:
Joe Perches <joe@perches.com> Acked-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Julia Lawall authored
The function thermal_cooling_device_register always returns either a valid pointer or a value made with ERR_PTR, so a test for non-zero on the result will always succeed. The problem was found using the following semantic match. (http://www.emn.fr/x-info/coccinelle/) //<smpl> @A@ expression E, E1; statement S,S1; position p; @@ E = thermal_cooling_device_register(...) ... when != E = E1 if@p (E) S else S1 @n@ position a.p; expression E,E1; statement S,S1; @@ E = NULL ... when != E = E1 if@p (E) S else S1 @depends on !n@ expression E; statement S,S1; position a.p; @@ * if@p (E) S else S1 //</smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Cc: Thomas Sujith <sujith.thomas@intel.com> Cc: Len Brown <len.brown@intel.com> Cc: Zhang Rui <rui.zhang@intel.com> Signed-off-by:
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Robert P. J. Day authored
Since neither the list_splice() nor __list_splice() routines modify their first argument, might as well declare them "const". [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Robert P. J. Day authored
Move files that don't check __KERNEL__ from unifdef-y to header-y. Signed-off-by:
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Robert P. J. Day authored
oom.h is already tagged for unifdef'ing, so its entry as a simple exportable header should be deleted. Signed-off-by:
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S.Caglar Onur authored
Use printk_ratelimit() instead of jiffies based arithmetic, suggested by Geert Uytterhoeven Signed-off-by:
S.Caglar Onur <caglar@pardus.org.tr> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Robert P. J. Day authored
There's nothing in percpu.h that requires an explicit inclusion of string.h. Signed-off-by:
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Robert P. J. Day authored
Following an experimental deletion of the unnecessary directive #include <linux/slab.h> from the header file <linux/percpu.h>, these files under kernel/ were exposed as needing to include one of <linux/slab.h> or <linux/gfp.h>, so explicit includes were added where necessary. Signed-off-by:
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Pavel Emelyanov authored
This can be triggered with root help only, but... Register the ":text:E::txt::/root/cat.txt:' rule in binfmt_misc (by root) and try launching the cat.txt file (by anyone) :) The result is - the endless recursion in the load_misc_binary -> open_exec -> load_misc_binary chain and stack overflow. There's a similar problem with binfmt_script, and there's a sh_bang memner on linux_binprm structure to handle this, but simply raising this in binfmt_misc may break some setups when the interpreter of some misc binaries is a script. So the proposal is to turn sh_bang into a bit, add a new one (the misc_bang) and raise it in load_misc_binary. After this, even if we set up the misc -> script -> misc loop for binfmts one of them will step on its own bang and exit. Signed-off-by:
Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
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Dmitry Adamushko authored
From the POV of synchronization, there should be no need to call wake_up_process() with the 'kthread_create_lock' being held. Signed-off-by:
Dmitry Adamushko <dmitry.adamushko@gmail.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Ingo Molnar <mingo@elte.hu> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
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Andrew Morton authored
powerpc: fs/coda/coda_linux.c: In function 'coda_iattr_to_vattr': fs/coda/coda_linux.c:137: warning: large integer implicitly truncated to unsigned type Cc: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by:
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Jon Schindler authored
Replace init_module and cleanup_module with static functions and module_init/module_exit. Signed-off-by:
Jon Schindler <jkschind@gmail.com> Signed-off-by:
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Rik van Riel authored
SysRQ-P is not always useful on SMP systems, since it usually ends up showing the backtrace of a CPU that is doing just fine, instead of the backtrace of the CPU that is having problems. This patch adds SysRQ show-all-cpus(L), which shows the backtrace of every active CPU in the system. It skips idle CPUs because some SMP systems are just too large and we already know what the backtrace of the idle task looks like. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Rik van Riel <riel@redhat.com> Randy Dunlap <randy.dunlap@oracle.com> Cc: <lwoodman@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Harvey Harrison authored
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
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Harvey Harrison authored
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by:
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Adrian Bunk authored
Add a proper extern for late_time_init in include/linux/init.h Signed-off-by:
Adrian Bunk <bunk@kernel.org> Acked-by:
Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by:
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Tetsuo Handa authored
I noticed that 2.6.24.2 calculates bprm->argv_len at do_execve(). But it doesn't update bprm->argv_len after "remove_arg_zero() + copy_strings_kernel()" at load_script() etc. audit_bprm() is called from search_binary_handler() and search_binary_handler() is called from load_script() etc. Thus, I think the condition check if (bprm->argv_len > (audit_argv_kb << 10)) return -E2BIG; in audit_bprm() might return wrong result when strlen(removed_arg) != strlen(spliced_args). Why not update bprm->argv_len at load_script() etc. ? By the way, 2.6.25-rc3 seems to not doing the condition check. Is the field bprm->argv_len no longer needed? Signed-off-by:Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Ollie Wild <aaw@google.com> Signed-off-by:
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WANG Cong authored
Remove the macro get_personality, use ->personality instead. Cc: Christoph Hellwig <hch@infradead.org Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: David Howells <dhowells@redhat.com> Cc: Bryan Wu <bryan.wu@analog.com> Signed-off-by:
WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by:
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jan sonnek authored
Make it consistent with the rest of the header. Signed-off-by:
jan sonnek <xsonnek@gmail.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Jiri Slaby authored
Return ERR even if there are pending data, but hw is not running. Do not decrement count in poll, do it in ioctl, where data are actually read. Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Jiri Slaby authored
Openhaptics uses pointers in _IOC() macros, implement compat for them. Also add _IOC alternatives which are not 32/64 bit dependent (structures passed through aren't yet) -- libphantom will use them. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Adrian Bunk authored
Add a proper prototype for __do_softirq() in include/linux/interrupt.h Signed-off-by:
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Julia Lawall authored
if (...) BUG(); should be replaced with BUG_ON(...) when the test has no side-effects to allow a definition of BUG_ON that drops the code completely. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @ disable unlikely @ expression E,f; @@ ( if (<... f(...) ...>) { BUG(); } | - if (unlikely(E)) { BUG(); } + BUG_ON(E); ) @@ expression E,f; @@ ( if (<... f(...) ...>) { BUG(); } | - if (E) { BUG(); } + BUG_ON(E); ) // </smpl> Signed-off-by:
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