- 08 Nov, 2005 40 commits
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Jesper Juhl authored
From: Jesper Juhl <jesper.juhl@gmail.com> This is the net/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in net/. Signed-off-by:
Jesper Juhl <jesper.juhl@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br> Acked-by:
Marcel Holtmann <marcel@holtmann.org> Acked-by:
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by:
Andrew Morton <akpm@osdl.org>
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Andrew Morton authored
From: Andrew Morton <akpm@osdl.org> Two missing unlocks, as noted by Ted Unangst <tedu@coverity.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Matt Domsch authored
From: Matt Domsch <Matt_Domsch@dell.com> The patch below implements the Microsoft Point-to-Point Encryption method as a PPP compressor/decompressor. This is necessary for Linux clients and servers to interoperate with Microsoft Point-to-Point Tunneling Protocol (PPTP) servers (either Microsoft PPTP servers or the poptop project) which use MPPE to encrypt data when creating a VPN. This patch differs from the kernel_ppp_mppe DKMS pacakge at pptpclient.sourceforge.net by utilizing the kernel crypto routines rather than providing its own SHA1 and arcfour implementations. Minor changes to ppp_generic.c try to prevent a link from disabling compression (in our case, the encryption) after it has started using compression (encryption). Feedback to <pptpclient-devel@lists.sourceforge.net> please. Signed-off-by:
Matt Domsch <Matt_Domsch@dell.com> Cc: James Cameron <james.cameron@hp.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by:
Brice Goglin <Brice.Goglin@ens-lyon.org> Acked-by:
Paul Mackerras <paulus@samba.org> Signed-off-by:
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Philippe De Muyter authored
From: "Philippe De Muyter" <phdm@macqel.be> This patch avoids ppp-generated kernel crashes on machines where unaligned accesses are forbidden (ie: m68000), by fixing ppp alignment setting for reused skb's. Signed-off-by:
Philippe De Muyter <phdm@macqel.be> Cc: "David S. Miller" <davem@davemloft.net> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by:
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Julian Anastasov authored
There was a fix in 2.6.13 that changed the behaviour of ip_vs_conn_expire_now function not to put reference to connection, its callers should hold write lock or connection refcnt. But we forgot to convert one caller, when the real server for connection is unavailable caller should put the connection reference. It happens only when sysctl var expire_nodest_conn is set to 1 and such connections never expire. Thanks to Roberto Nibali who found the problem and tested a 2.4.32-rc2 patch, which is equal to this 2.6 version. Patch for 2.4 is already sent to Marcelo. Signed-off-by:
Julian Anastasov <ja@ssi.bg> Signed-off-by:
Roberto Nibali <ratz@drugphish.ch> Signed-off-by:
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Stephen Hemminger authored
There is no reason for sk_add_backlog to be a macro. It can just be an inline function and get type checking. Signed-off-by:
Stephen Hemminger <shemminger@osdl.org> Signed-off-by:
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Thomas Graf authored
Fixes an invalid memory reference when the basic classifier is used without any ematches but just actions. Signed-off-by:
Thomas Graf <tgraf@suug.ch> Signed-off-by:
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Carlo Comin authored
Patch from Carlo Comin <vl4d spine-group.org> Signed-off-by:
Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by:
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YOSHIFUJI Hideaki authored
Choose more appropriate source address; e.g. - outgoing interface - non-deprecated - scope - matching label Signed-off-by:
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YOSHIFUJI Hideaki authored
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YOSHIFUJI Hideaki authored
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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
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Al Viro authored
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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:
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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
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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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Mike Kravetz authored
On Tue, Nov 08, 2005 at 08:12:56AM +1100, Benjamin Herrenschmidt wrote: > Yes, the MAX_ORDER should be different indeed. But can Kconfig do that ? > That is have the default value be different based on a Kconfig option ? > I don't see that ... We may have to do things differently here... This seems to be done in other parts of the Kconfig file. Using those as an example, this should keep the MAX_ORDER block size at 16MB. Signed-off-by:
Mike Kravetz <kravetz@us.ibm.com> Signed-off-by:
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Anton Blanchard authored
Even though we can enable and disable xmon at runtime now, there are a few places in the merge tree that call xmon and xmon_printf directly. In the case below we call die() which will call xmon if it is enabled. Also remove an unnecessary include of xmon.h in smp.c. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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Anton Blanchard authored
Oprofile was hardwiring the MMCRA sample bit to 1 but on newer cpus (eg POWER5) we want to vary it based on the group being sampled. Add a temporary workaround until people update their oprofile userspace. Signed-off-by:
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