- 08 Nov, 2005 40 commits
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Russell King authored
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Nicolas Pitre authored
Patch from Nicolas Pitre Make it completely deterministic and leave nothing to chance (even if it had at worst 0.001% probability of failing). Signed-off-by:
Nicolas Pitre <nico@cam.org> Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk>
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Nicolas Pitre authored
Patch from Nicolas Pitre Noticed by Woody Suwalski <woodys@xandros.com>. Signed-off-by:
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Ben Dooks authored
Patch from Ben Dooks Force a watchdog reset if the system fails to decompress properly. Signed-off-by:
Ben Dooks <ben-linux@fluff.org> Signed-off-by:
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Dirk Opfer authored
Patch from Dirk Opfer This patch updates the tosa machine to use the new SharpSL PCMCIA layer introduced with Patch #3093/1 Depends on #3093/1 Signed-off-by:
Dirk Opfer <Dirk@Opfer-Online.de> Signed-off-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Richard Purdie authored
Patch from Richard Purdie The Sharp SL-Cxx00 models have a combined power control for the SD and CF slot 0. This patch adds hooks to the scoop driver to allow machines to provide a custom control function for this and such a function is added for spitz/akita/borzoi. It also moves the gpio init code into the machine files as this is machine dependent and differs between some models. A couple of warnings when compiling for collie are also fixed. Signed-off-by: Richard Purdie Signed-off-by: -
Ben Dooks authored
Patch from Ben Dooks Fix the map_desc entries to use the new .pfn initialiser for the Simtec BAST machine support. Signed-off-by:
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Ben Dooks authored
Patch from Ben Dooks Fix the initialisation of the map_desc fields in the Thorcom VR1000 machine support to use the new .pfn initialiser. Signed-off-by:
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Dirk Opfer authored
Patch from Dirk Opfer This patch adds MMC, IRDA and UDC support to the Sharp SL-6000x device. Also it adds a platform device for the keyboard driver. Signed-off-by: Dirk Opfer Signed-off-by:
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Russell King authored
Add infrastructure for supporting per-cpu local timers to update the profiling information and update system time accounting. Signed-off-by: -
Russell King authored
Signed-off-by: -
Russell King authored
arch/arm/kernel/irq.c:998:26: warning: Using plain integer as NULL pointer arch/arm/kernel/smp.c:145:25: warning: Using plain integer as NULL pointer arch/arm/kernel/smp.c:362:5: warning: symbol 'smp_call_function_on_cpu' was not declared. Should it be static? drivers/video/amba-clcd.c:521:12: warning: symbol 'amba_clcdfb_init' was not declared. Should it be static? Signed-off-by: -
Russell King authored
Signed-off-by: -
Russell King authored
Until we have local timer support, we need to broadcast the timer interrupt to the other CPUs. Also, add the missing smp_send_timer() prototype to asm/smp.h Signed-off-by: -
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Linus Torvalds authored
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Ram Pai authored
Signed-off-by:
Ram Pai <linuxram@us.ibm.com> Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Ram Pai authored
An unbindable mount does not forward or receive propagation. Also unbindable mount disallows bind mounts. The semantics is as follows. Bind semantics: It is invalid to bind mount an unbindable mount. Move semantics: It is invalid to move an unbindable mount under shared mount. Clone-namespace semantics: If a mount is unbindable in the parent namespace, the corresponding cloned mount in the child namespace becomes unbindable too. Note: there is subtle difference, unbindable mounts cannot be bind mounted but can be cloned during clone-namespace. Signed-off-by:
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Ram Pai authored
This makes bind, rbind, move, clone namespace and umount operations aware of the semantics of slave mount (see Documentation/sharedsubtree.txt in the last patch of the series for detailed description). Signed-off-by:
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Ram Pai authored
A slave mount always has a master mount from which it receives mount/umount events. Unlike shared mount the event propagation does not flow from the slave mount to the master. Signed-off-by:
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Ram Pai authored
An unmount of a mount creates a umount event on the parent. If the parent is a shared mount, it gets propagated to all mounts in the peer group. Signed-off-by:
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Ram Pai authored
Implement handling of mount --move in presense of shared mounts (see Documentation/sharedsubtree.txt in the end of patch series for detailed description). Signed-off-by:
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Ram Pai authored
Implement handling of MS_BIND in presense of shared mounts (see Documentation/sharedsubtree.txt in the end of patch series for detailed description). Signed-off-by:
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Ram Pai authored
This creates shared mounts. A shared mount when bind-mounted to some mountpoint, propagates mount/umount events to each other. All the shared mounts that propagate events to each other belong to the same peer-group. Signed-off-by:
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Ram Pai authored
A private mount does not forward or receive propagation. This patch provides user the ability to convert any mount to private. Signed-off-by:
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Ram Pai authored
This removes the per-namespace semaphore in favor of a global semaphore. This can have an effect on namespace scalability. Signed-off-by:
Miklos Szeredi <miklos@szeredi.hu> Signed-off-by:
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Ram Pai authored
- clean up the ugliness in may_umount_tree() - fix a bug in do_loopback(). after cloning a tree, do_loopback() unlinks only the topmost mount of the cloned tree, leaving behind the children mounts on their corresponding expiry list. Signed-off-by:
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Ram Pai authored
umount is done under the protection of the namespace semaphore. This can lead to intresting deadlocks when the last reference to a mount is released, if filesystem code is in sufficiently nasty state. This collects all the to-be-released-mounts and releases them after releasing the namespace semaphore. That both reduces the time we are holding namespace semaphore and gets the things more robust. Idea proposed by Al Viro. Signed-off-by:
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Ram Pai authored
Old semantics: graft_tree() grabs a reference on the vfsmount before returning success. New one: graft_tree() leaves that to caller. All the callers of graft_tree() immediately dropped that reference anyway. Changing the interface takes care of this unnecessary overhead. Idea proposed by Al Viro. Signed-off-by:
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Ram Pai authored
Signed-off-by:
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Al Viro authored
Signed-off-by:
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Al Viro authored
Allow caller of seq_open() to kmalloc() seq_file + whatever else they want and set ->private_data to it. seq_open() will then abstain from doing allocation itself. Signed-off-by:
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Al Viro authored
- check_mnt() on the source of binding should've been unconditional from the very beginning. My fault - as far I could've trace it, that's an old thinko made back in 2001. Kudos to Miklos for spotting it... Fixed. - code cleaned up. Signed-off-by:
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Al Viro authored
The way we currently deal with quota and process accounting that might keep vfsmount busy at umount time is inherently broken; we try to turn them off just in case (not quite correctly, at that) and a) pray umount doesn't fail (otherwise they'll stay turned off) b) pray nobody doesn anything funny just as we turn quota off Moreover, LSM provides hooks for doing the same sort of broken logics. The proper way to deal with that is to introduce the second kind of reference to vfsmount. Semantics: - when the last normal reference is dropped, all special ones are converted to normal ones and if there had been any, cleanup is done. - normal reference can be cloned into a special one - special reference can be converted to normal one; that's a no-op if we'd already passed the point of no return (i.e. mntput() had converted special references to normal and started cleanup). The way it works: e.g. starting process accounting converts the vfsmount reference pinned by the opened file into special one and turns it back to normal when it gets shut down; acct_auto_close() is done when no normal references are left. That way it does *not* obstruct umount(2) and it silently gets turned off when the last normal reference to vfsmount is gone. Which is exactly what we want... The same should be done by LSM module that holds some internal references to vfsmount and wants to shut them down on umount - it should make them special and security_sb_umount_close() will be called exactly when the last normal reference to vfsmount is gone. quota handling is even simpler - we don't use normal file IO anymore, so there's no need to hold vfsmounts at all. DQUOT_OFF() is done from deactivate_super(), where it really belongs. Signed-off-by:
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Benjamin Herrenschmidt authored
For some stupid reason I can't explain (brown paper bag is at hand), I removed the check pfn_valid() in the code that does the icache/dcache coherency on POWER4 and later. That causes us to eventually try to access non existing struct page when hashing in IO pages. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
Paul Mackerras <paulus@samba.org>
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Stephen Rothwell authored
This is very simple with it being almost all ppc32 with just a couple of common defines. Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
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Paul Mackerras authored
Signed-off-by: -
Paul Mackerras authored
This fixes a build error when building the pmac sound driver as a module for 64-bit powermacs. Signed-off-by: -
Paul Mackerras authored
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