- 01 May, 2005 40 commits
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Edward Shishkin authored
This fixes segmentation fault when specifying bad journal device via a mount option. Don't pass a zero pointer to bdevname() if filp_open() returns error. Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Nicolas Boichat authored
Add missing button codes for the Leadtek Winfast remote controls. Signed-off-by:
Nicolas Boichat <nicolas@boichat.ch> Signed-off-by:
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Vinay K Nallamothu authored
The variable attributes "packed" and "align" when used with struct, should have the following order: struct ... {...} __attribute__((packed)) var; This patch fixes few instances where the variable and attributes are placed the other way around and had no effect. Signed-off-by: -
Jesper Juhl authored
There were still a few comments left refering to verify_area, and two functions, verify_area_skas & verify_area_tt that just wrap corresponding access_ok_skas & access_ok_tt functions, just like verify_area does for access_ok - deprecate those. There was also a few places that still used verify_area in commented-out code, fix those up to use access_ok. After applying this one there should not be anything left but finally removing verify_area completely, which will happen after a kernel release or two. Signed-off-by:
Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by:
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Stephen Rothwell authored
Discussing with Matthew Wilcox some of his outstanding patches lead me to this patch (among others). The preamble in struct sigevent can be expressed independently of the architecture. Also use __ARCH_SI_PREAMBLE_SIZE on ia64. Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
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Joel Becker authored
I recently realized that the in-kernel copy of hangcheck-timer was quite stale. Here's the latest. It adds support for s390, ppc64, and ia64 too. Signed-off-by:
Joel Becker <joel.becker@oracle.com> Signed-off-by:
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Bill Nottingham authored
When allocating a new VC with vgacon_init(), the font is shared across all the VGA consoles. However, the font mask was always set to the default value of zero in visual_init(), even if we were using 512 character fonts at the time. Moreover, code in vgacon.c:vga_do_font_op() didn't reset the mask if the console driver thinks it's already in 512 character mode. This means that to *fix* it, you'd actually have to take the console out of 512 character mode and then set it back. The attached sets vc_hi_font_mask in vgacon_init() for any new consoles opened if the vgacon driver is already in 512 character mode, solving this. This bug goes back to 2.4.18 at least, probably earlier. Signed-off-by:
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Jan Kara authored
Allow rewriting of a file and extending a file upto the end of the allocated block on a full filesystem. From: Chris Mason <mason@suse.com> Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Lars Marowsky-Bree authored
This patches adds the "nbds_max" parameter to the nbd kernel module, which limits the number of nbds allocated. Previously, always all 128 entries were allocated unconditionally, which used to waste resources and needlessly flood the hotplug system with events. (Defaults to 16 now.) Signed-off-by:
Lars Marowsky-Bree <lmb@suse.de> Signed-off-by:
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Joe Korty authored
Add EOWNERDEAD and ENOTRECOVERABLE to all architectures. This is to support the upcoming patches for robust mutexes. We normally don't reserve parts of the name/number space for external patches, but robust mutexes are sufficiently popular and important to justify it in this case. Signed-off-by:
Joe Korty <joe.korty@ccur.com> Signed-off-by:
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Jens Axboe authored
Profiling hit rates on merging shows that the last merge hint works extremely well for most work loads. So lets kill the linear merge scan in noop-iosched, so it provides O(1) run time for any operation. Testing credits go to Ken Chen from Intel. Signed-off-by:
Jens Axboe <axboe@suse.de> Signed-off-by:
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Yoshinori Sato authored
kallsyms does not consider SYMBOL_PREFIX of C. Consequently it does not work on architectures using that prefix character (h8300, v850). Signed-off-by:
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Peter Missel authored
This is take two of a patch that should have appeared two days ago, before yesterday's "remote control" patch for the same card. This patch sets unconnected GPIO to Output to keep them from floating (just good driver writing practice, being nice to the chip), and uses GPIO16 to switch TV vs. FM - this pin switches inputs onto the tuner, as well as the audio output from the tuner into the 7135 SIF input. Consequently, FM radio support is being un-commented because it's now working (sort of, see below). These two patches get the card almost fully operational; there appears to be a bug in tda8290.c remaining that puts an offset onto the tuned frequency in FM radio mode. We're investigating. Signed-off-by:
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Peter Missel authored
Subject says it ... this card's IR microcontroller design and attachment are compatible to the company's previous designs, so the patch was as simple as it gets. DESC LifeView FlyTV Platinum FM: GPIO usage EDESC From: Peter Missel <peter.missel@onlinehome.de> This is take two of a patch that should have appeared two days ago, before yesterday's "remote control" patch for the same card. This patch sets unconnected GPIO to Output to keep them from floating (just good driver writing practice, being nice to the chip), and uses GPIO16 to switch TV vs. FM - this pin switches inputs onto the tuner, as well as the audio output from the tuner into the 7135 SIF input. Consequently, FM radio support is being un-commented because it's now working (sort of, see below). These two patches get the card almost fully operational; there appears to be a bug in tda8290.c remaining that puts an offset onto the tuned frequency in FM radio mode. We're investigating. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
It's trivial for the resize option to auto-get the underlying device size, while it's harder for the user. I've copied the code from jfs. Since of the different reiserfs option parser (which does not use the superior match_token used by almost every other filesystem), I've had to use the "resize=auto" and not "resize" option to specify this behaviour. Changing the option parser to the kernel one wouldn't be bad but I've no time to do this cleanup in this moment. Btw, the mount(8) man page should be updated to include this option. Cc the relevant people, please (I hope I cc'ed the right people). Cc: <reiserfs-dev@namesys.com> Cc: <reiserfs-list@namesys.com> Cc: <mtk-manpages@gmx.net> Cc: Alex Zarochentsev <zam@namesys.com> Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Paul E. McKenney authored
Update the RCU documentation to allow for the new synchronize_rcu() and synchronize_sched() primitives. Fix a few other nits as well. Signed-off-by:
Paul E. McKenney <paulmck@us.ibm.com> Signed-off-by:
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Paul E. McKenney authored
This patch changes calls to synchronize_kernel(), deprecated in the earlier "Deprecate synchronize_kernel, GPL replacement" patch to instead call the new synchronize_rcu() and synchronize_sched() APIs. Signed-off-by:
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Paul E. McKenney authored
The synchronize_kernel() primitive is used for quite a few different purposes: waiting for RCU readers, waiting for NMIs, waiting for interrupts, and so on. This makes RCU code harder to read, since synchronize_kernel() might or might not have matching rcu_read_lock()s. This patch creates a new synchronize_rcu() that is to be used for RCU readers and a new synchronize_sched() that is used for the rest. These two new primitives currently have the same implementation, but this is might well change with additional real-time support. Both new primitives are GPL-only, the old primitive is deprecated. Signed-off-by:
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Paul E. McKenney authored
Add a deprecated_for_modules macro that allows symbols to be deprecated only when used by modules, as suggested by Andrew Morton some months back. Signed-off-by:
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Paul E. McKenney authored
The gpl exports need to be put back. Moving them to GPL -- but in a measured manner, as I proposed on this list some months ago -- is fine. Changing these particular exports precipitously is most definitely -not- fine. Here is my earlier proposal: http://marc.theaimsgroup.com/?l=linux-kernel&m=110520930301813&w=2 See below for a patch that puts the exports back, along with an updated version of my earlier patch that starts the process of moving them to GPL. I will also be following this message with RFC patches that introduce two (EXPORT_SYMBOL_GPL) interfaces to replace synchronize_kernel(), which then becomes deprecated. Signed-off-by: <paulmck@us.ibm.com> Signed-off-by:
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Daniel Drake authored
The current logic assumes that a /proc/<PID>/task directory should have a hardlink count of 3, probably counting ".", "..", and a directory for a single child task. It's fairly obvious that this doesn't work out correctly when a PID has more than one child task, which is quite often the case. Signed-off-by:
Daniel Drake <dsd@gentoo.org> Signed-off-by:
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Daniel Drake authored
The pid directories in /proc/ currently return the wrong hardlink count - 3, when there are actually 4 : ".", "..", "fd", and "task". This is easy to notice using find(1): cd /proc/<pid> find In the output, you'll see a message similar to: find: WARNING: Hard link count is wrong for .: this may be a bug in your filesystem driver. Automatically turning on find's -noleaf option. Earlier results may have failed to include directories that should have been searched. http://bugs.gentoo.org/show_bug.cgi?id=86031 I also noticed that CONFIG_SECURITY can add a 5th: attr, and performed a similar fix on the task directories too. Signed-off-by:
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Stas Sergeev authored
The attached patch moves the IRQ-related SA_xxx flags (namely, SA_PROBE, SA_SAMPLE_RANDOM and SA_SHIRQ) from all the arch-specific headers to linux/signal.h. This looks like a left-over after the irq-handling code was consolidated. The code was moved to kernel/irq/*, but the flags are still left per-arch. Right now, adding a new IRQ flag to the arch-specific header, like this patch does: http://cvs.sourceforge.net/viewcvs.py/*checkout*/alsa/alsa-driver/utils/patches/pcsp-kernel-2.6.10-03.diff?rev=1.1 no longer works, it breaks the compilation for all other arches, unless you add that flag to all the other arch-specific headers too. So I think such a clean-up makes sense. Signed-off-by:
Stas Sergeev <stsp@aknet.ru> Signed-off-by:
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Matt Mackall authored
Arrange for all kernel printks to be no-ops. Only available if CONFIG_EMBEDDED. This patch saves about 375k on my laptop config and nearly 100k on minimal configs. Signed-off-by:
Matt Mackall <mpm@selenic.com> Signed-off-by:
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Matt Mackall authored
Remove PAGE_BUG - repalce it with BUG and BUG_ON. Signed-off-by:
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Matt Mackall authored
This patch eliminates all kernel BUGs, trims about 35k off the typical kernel, and makes the system slightly faster. Signed-off-by:
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Matt Mackall authored
Add a pair of rlimits for allowing non-root tasks to raise nice and rt priorities. Defaults to traditional behavior. Originally written by Chris Wright. The patch implements a simple rlimit ceiling for the RT (and nice) priorities a task can set. The rlimit defaults to 0, meaning no change in behavior by default. A value of 50 means RT priority levels 1-50 are allowed. A value of 100 means all 99 privilege levels from 1 to 99 are allowed. CAP_SYS_NICE is blanket permission. (akpm: see http://www.uwsg.iu.edu/hypermail/linux/kernel/0503.1/1921.html for tips on integrating this with PAM). Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Cornelia Huck authored
Synchronize documentation with current interface. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Cornelia Huck authored
The ioctl32_conversion routines will be deprecated: Remove them from the crypto driver. Signed-off-by:
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Cornelia Huck authored
The ioctl32_conversion routines will be deprecated: Remove them from dasd_cmb and handle the three cmb ioctls like all other dasd ioctls. Signed-off-by:
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Horst Hummel authored
The first blocks on a cdl formatted dasd device are smaller than the blocksize of the device. Read requests are padded with a 'e5' pattern. Write requests should not pad the (user) buffer with 'e5' because a write request is not allowed to modify the buffer. Signed-off-by:
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Stefan Weinhuber authored
The DASD device driver never reorders the I/O requests and relies on the hardware to write all data to nonvolatile storage before signaling a successful write. Hence, the only thing we have to do to support write barriers is to set the queue ordered flag. Signed-off-by:
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Horst Hummel authored
The independent read-only flags in devmap, dasd_device and gendisk are not kept in sync. Use one bit per feature in the dasd driver and keep that bit in sync with the gendisk bit. Signed-off-by:
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Michael Holzheu authored
The current limitation of 16 characters of the debug feature names turned out to be insufficient. Increase it to 64 characters. Signed-off-by:
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Martin Schwidefsky authored
An arbitrary guest must not be allowed to trigger cmm actions. Only one specific guest namely the one that serves as the resource monitor may send cmm messages. Add a parameter that allows to specify the guest that may send messages. z/VMs resource manager has the name 'VMRMSVM' which is the default. Signed-off-by:
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Peter Oberparleiter authored
Provide an easy way to define a non-zero storage key at compile time. This is useful for debugging purposes. Signed-off-by:
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Heiko Carstens authored
The memory setup didn't take care of memory holes and this makes the memory management think there would be more memory available than there is in reality. That causes the OOM killer to kill processes even if there is enough memory left that can be written to the swap space. The patch fixes this by using free_area_init_node with an array of memory holes instead of free_area_init. Further the patch cleans up the code in setup.c by splitting setup_arch into smaller pieces. Signed-off-by:
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Martin Schwidefsky authored
Fix overflow in calculation of the new tod value in stop_hz_timer and fix wrong virtual timer list idle time in case the virtual timer is already expired in stop_cpu_timer. Signed-off-by:
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Martin Schwidefsky authored
Regenerate the default configuration for s390. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Use the set_disk_ro() API when the backing file is read-only, to mark the disk read-only, during the ->open(). The current hack does not work when doing a mount -o remount. Also, mark explicitly the code paths which should no more be triggerable (I've removed the WARN_ON(1) things). They should actually become BUG()s probably but I'll avoid that since I'm not so sure the change works so well. I gave it only some limited testing. Signed-off-by:
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