- 17 Sep, 2005 39 commits
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Zach Brown authored
Add smp_mb__after_clear_bit() to unlock_kiocb() AIO's use of wait_on_bit_lock()/wake_up_bit() forgot to add a barrier between clearing its lock bit and calling wake_up_bit() so wake_up_bit()'s unlocked waitqueue_active() can race. This puts AIO's use in line with the others and the comment above wake_up_bit(). Signed-off-by:
Zach Brown <zach.brown@oracle.com> Acked-by:
Benjamin LaHaise <bcrl@linux.intel.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Jean Delvare authored
Kill an unused member of the i2c_adapter structure. This additionally fixes a potential bug, because <linux/i2c.h> doesn't include <linux/config.h>, so different files including <linux/i2c.h> could see a different definition of the i2c_adapter structure, depending on them including <linux/config.h> (or other header files themselves including <linux/config.h>) before <linux/i2c.h>, or not. Credits go to Jörn Engel for pointing me to the problem. Signed-off-by:
Jean Delvare <khali@linux-fr.org> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Robert Love authored
- Remove the relative input device - Add an absolute input device - Misc. cleanup and bug fixing The patch is sizable due to the cleanup from removing the relative input device (net -112 lines). Signed-off-by:
Robert Love <rml@novell.com> Cc: Dmitry Torokhov <dtor_core@ameritech.net> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Davide Libenzi authored
Al found a potential problem in epoll_create(), where the file->private_data member was set after fd_install(). This is obviously wrong since another thread might do a close() on that fd# before we set the file->private_data member. This goes over 2.6.13 and passes a few basic tests I've done here. (akpm: snuck in a kzalloc() cleanup too) Signed-off-by:
Davide Libenzi <davidel@xmailserver.org> Signed-off-by:
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Andrew Morton authored
Whitespace standardisation. Cc: Abhay Salunke <Abhay_Salunke@dell.com> Signed-off-by:
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Abhay Salunke authored
BUG fixes: The driver used to allocate memory with spinlock held which has been fixed in this patch. The driver was printing the entire buffer when it received a invalid entry in image_type. The fix is to only print a warning message and not the buffer. Usability enhancements: It is possible that due to user error the /sys/class/firmware/dell_rbu entries might be missing, this can happen if the user does the following echo 1 > /sys/class/firmware/dell_rbu/loading echo 0 > /sys/class/firmware/dell_rbu/loading This will make the entries in /sys/class/firmware/ to disappear and the only way get them back was bby unloading and loading the driver. This patch makes the user recreate these entries by echoing init in to image_type. This patch has been tested with Libsmbios and Dell OpenManage. Signed-off-by:
Abhay Salunke <Abhay_Salunke@dell.com> Signed-off-by:
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Jeff Dike authored
Using native cmpxchg offers a slight performance improvement in uml/i386. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Michael Kerrisk authored
2.6.13 incorporated Alan Cox's patch for /proc/sys/fs/suid_dumpable (one version of this patch can be found here http://marc.theaimsgroup.com/?l=linux-kernel&m=109647550421014&w=2 ). This patch also made corresponding changes in kernel/sys.c to change the prctl() PR_SET_DUMPABLE operation so that the permitted range of 'arg2' was modified from 0..1 to 0..2. However, a corresponding change was not made for PR_GET_DUMPABLE: if the dumpable flag is non-zero, then PR_GET_DUMPABLE always returns 1, so that the caller can't determine the true setting of this flag. Acked-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Marcelo Tosatti authored
Small typo in relayfs documentation. Signed-off-by:
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Vitaly Bordug authored
Added ppc_sys device and system definitions for PowerQUICC I devices. This will allow drivers for PQI to be proper platform device drivers. Currently sys section contains only MPC885 and MPC866. Identification should be done with identify_ppc_sys_by_name call, with board-specific "name" string passed, since PQI do not have any register that could identify the SOC. Signed-off-by:
Vitaly Bordug <vbordug@ru.mvista.com> Signed-off-by:
Kumar Gala <kumar.gala@freescale.com> Signed-off-by:
Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by:
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Thomas Maguin authored
Add WRITE_LONG_2 as write safe commands, which which allows normal users to make a c1-, c2- and cu-scan (so called cxscan) with readcd on cxscan-capable cd/dvd-writers Signed-off-by:
Jens Axboe <axboe@suse.de> Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by:
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Anton Blanchard authored
I forgot to include siginfo.h when I added data breakpoint support. We must include it in a round-a-bout way in mainline. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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Serge Hallyn authored
That should be -EINVAL for both. Signed-off-by:
Serge Hallyn <serue@us.ibm.com> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Andrew Morton authored
We don't put braces around single statements, thanks. Cc: Serge Hallyn <serue@us.ibm.com> Cc: James Morris <jmorris@namei.org> Cc: Chris Wright <chrisw@osdl.org> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Andrew Morton authored
include/asm/desc.h: In function `load_LDT': include/asm/desc.h:209: warning: implicit declaration of function `get_cpu' include/asm/desc.h:211: warning: implicit declaration of function `put_cpu' Cc: Andi Kleen <ak@muc.de> Signed-off-by:
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Dave Hansen authored
Signed-off-by:
Dave Hansen <haveblue@us.ibm.com> Signed-off-by:
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Andrew Morton authored
For EXPORT_SYMBOL. Cc: Andi Kleen <ak@muc.de> Signed-off-by:
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Richard Purdie authored
Fix up some pm_message_t types Signed-Off-By:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Jeff Dike authored
asm/elf.h is bad on x86_64, and i386 doesn't need it any more after Al's cleanup. Signed-off-by:
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Jeff Dike authored
do_aio used to return -1 on error instead of errno. Signed-off-by:
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Jeff Dike authored
The serial UML OS-abstraction layer patch (um/kernel dir). This joins mem_user.c and mem.c files. Signed-off-by:
Gennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by:
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Jeff Dike authored
The serial UML OS-abstraction layer patch (um/kernel dir). This moves all system calls from mem_user.c and tempfile.c files under os-Linux dir. Signed-off-by:
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Jeff Dike authored
The poster child for this patch is the third tuntap_user hunk. When an ioctl fails, it properly closes the opened file descriptor and returns. However, the close resets errno to 0, and the 'return errno' that follows returns 0 rather than the value that ioctl set. This caused the caller to believe that the device open succeeded and had opened file descriptor 0, which caused no end of interesting behavior. The rest of this patch is a pass through the UML sources looking for places where errno could be reset before being passed back out. A common culprit is printk, which could call write, being called before errno is returned. In some cases, where the code ends up being much smaller, I just deleted the printk. There was another case where a caller of run_helper looked at errno after a failure, rather than the return value of run_helper, which was the errno value that it wanted. Signed-off-by:
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Jeff Dike authored
These ugly double-casts are the result of gdb complaining about size Signed-off-by:
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Jeff Dike authored
linux/inet.h isn't needed, and on my system, is empty. Signed-off-by:
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Jeff Dike authored
This removes a file which is no longer used. Signed-off-by:
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Jeff Dike authored
This patch implements a stack trace for a thread, not unlike sysrq-t does. The advantage to this is that a break point can be placed on showreqs, so that upon showing the stack, you jump immediately into the debugger. While sysrq-t does the same thing, sysrq-t shows *all* threads stacks. It also doesn't work right now. In the future, I thought it might be acceptable to make this show all pids stacks, but perhaps leaving well enough alone and just using sysrq-t would be okay. For now, upon receiving the stack command, UML switches context to that thread, dumps its registers, and then switches context back to the original thread. Since UML compacts all threads into one of 4 host threads, this sort of mechanism could be expanded in the future to include other debugging helpers that sysrq does not cover. Note by jdike - The main benefit to this is that it brings an arbitrary thread back into context, where it can be examined by gdb. The fact that it dumps it stack is secondary. This provides the capability to examine a sleeping thread, which has existed in tt mode, but not in skas mode until now. Also, the other threads, that sysrq doesn't cover, can be gdb-ed directly anyway. Signed-off-by: Allan Graves<allan.graves@gmail.com> Signed-off-by:
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Jeff Dike authored
This patch moves code that is in both switch_to_tt and switch_to_skas to the top level _switch_to function, keeping us from duplicating code. It is required for the stack trace patch to work properly. Signed-off-by:
Allan Graves <allan.graves@gmail.com> Signed-off-by:
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Peter Oberparleiter authored
When an asynchronous interruption occurs during the execution of the 'critical section' within the generic interruption handling code (entry.S), a faulty check for a userspace PSW may result in a corrupted kernel stack pointer which subsequently triggers a stack overflow check. Signed-off-by:
Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Srivatsa Vaddagiri authored
Fix a problem wherein a new-born task is added to a dead CPU. Signed-off-by:
Srivatsa Vaddagiri <vatsa@in.ibm.com> Acked-by:
Nick Piggin <nickpiggin@yahoo.com.au> Acked-by:
Shaohua Li <shaohua.li@intel.com> Acked-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Domen Puncer authored
Remove nowhere referenced file (egrep "hw-bse\." didn't find anything). Signed-off-by:
Domen Puncer <domen@coderock.org> Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Acked-by:
Ian Molton <spyro@f2s.com> Signed-off-by:
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Volker Sameske authored
Add code to support the re-IPL method using diagnose 0x308. Signed-off-by:
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Heiko Carstens authored
Disable preemption in show_cpuinfo to avoid problems and the warning about smp_processor_id. Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
Got confused with the crypto update. The last patch added a call to destroy_workqueue() for a non-existent workqueue with the comment "Remove device workqueue on module unload". This is nonsense. Remove the offending hunk again. Signed-off-by:
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Heiko Carstens authored
Calculate correct size for bl_dev array. It should be 8KB instead of 512KB for 2^16 bits. Signed-off-by:
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Martin Schwidefsky authored
Update default configuration of s390. Signed-off-by:
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Richard Purdie authored
Add partition definitions for the new Sharp Zaurus models Spitz (SL-C3000), Akita (SL-C1000) and Borzoi (SL-C3100) Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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Richard Purdie authored
This hunk from the sharpsl/corgi backlight update appears to have got lost somewhere along the way. Its needed to match the other changes. Signed-Off-By:
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H. Peter Anvin authored
This patch fixes a signedness bug with RAID6 for Altivec, and makes the Altivec code testable in userspace. Signed-off-by:
H. Peter Anvin <hpa@zytor.com> Signed-off-by:
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- 16 Sep, 2005 1 commit
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Linus Torvalds authored
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