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* [SKBUFF]: Add skb_morphHerbert Xu2007-10-151-0/+1
| | | | | | | | | | | | | This patch creates a new function skb_morph that's just like skb_clone except that it lets user provide the spare skb that will be overwritten by the one that's to be cloned. This will be used by IP fragment reassembly so that we get back the same skb that went in last (rather than the head skb that we get now which requires us to carry around double pointers all over the place). Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds2007-10-1513-78/+332
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.linux-nfs.org/pub/linux/nfs-2.6: (131 commits) NFSv4: Fix a typo in nfs_inode_reclaim_delegation NFS: Add a boot parameter to disable 64 bit inode numbers NFS: nfs_refresh_inode should clear cache_validity flags on success NFS: Fix a connectathon regression in NFSv3 and NFSv4 NFS: Use nfs_refresh_inode() in ops that aren't expected to change the inode SUNRPC: Don't call xprt_release in call refresh SUNRPC: Don't call xprt_release() if call_allocate fails SUNRPC: Fix buggy UDP transmission [23/37] Clean up duplicate includes in [2.6 patch] net/sunrpc/rpcb_clnt.c: make struct rpcb_program static SUNRPC: Use correct type in buffer length calculations SUNRPC: Fix default hostname created in rpc_create() nfs: add server port to rpc_pipe info file NFS: Get rid of some obsolete macros NFS: Simplify filehandle revalidation NFS: Ensure that nfs_link() returns a hashed dentry NFS: Be strict about dentry revalidation when doing exclusive create NFS: Don't zap the readdir caches upon error NFS: Remove the redundant nfs_reval_fsid() NFSv3: Always use directory post-op attributes in nfs3_proc_lookup ... Fix up trivial conflict due to sock_owned_by_user() cleanup manually in net/sunrpc/xprtsock.c
| * NFS: Add a boot parameter to disable 64 bit inode numbersTrond Myklebust2007-10-091-0/+1
| | | | | | | | | | | | | | | | This boot parameter will allow legacy 32-bit applications which call stat() to continue to function even if the NFSv3/v4 server uses 64-bit inode numbers. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * [23/37] Clean up duplicate includes inJesper Juhl2007-10-091-2/+0
| | | | | | | | | | | | | | | | | | | | Hi, This patch cleans up duplicate includes in include/linux/nfs_fs.h Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Get rid of some obsolete macrosTrond Myklebust2007-10-091-4/+0
| | | | | | | | | | | | | | - NFS_READTIME, NFS_CHANGE_ATTR are completely unused. - Inline the few remaining uses of NFS_ATTRTIMEO, and remove. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFSv4: Fix nfs_atomic_open() to set the verifier on negative dentries tooTrond Myklebust2007-10-091-0/+5
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Remove nfs_begin_data_update/nfs_end_data_updateTrond Myklebust2007-10-091-12/+0
| | | | | | | | | | | | | | The lower level routines in fs/nfs/proc.c, fs/nfs/nfs3proc.c and fs/nfs/nfs4proc.c should already be dealing with the revalidation issues. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Remove NFS_I(inode)->data_updatesTrond Myklebust2007-10-091-8/+6
| | | | | | | | | | | | We have no more users... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: NFS_CACHEINV() should not test for nfs_caches_unstable()Trond Myklebust2007-10-091-6/+0
| | | | | | | | | | | | | | | | | | | | The fact that we're in the process of modifying the inode does not mean that we should not invalidate the attribute and data caches. The defensive thing is to always invalidate when we're confronted with inode mtime/ctime or change_attribute updates that we do not immediately recognise. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: nfs_mark_for_revalidate don't update cache_change_attributeTrond Myklebust2007-10-091-3/+1
| | | | | | | | | | | | Just let the subsequent inode revalidation do the update... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Fix nfs_verify_change_attribute()Trond Myklebust2007-10-091-7/+7
| | | | | | | | | | | | | | | | | | We don't care about whether or not some other process on our client is changing the directory while we're in nfs_lookup_revalidate(), because the dcache will take care of ensuring local atomicity. We can therefore remove the test for nfs_caches_unstable(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Fix the sign of the return value of nfs_save_change_attribute()Trond Myklebust2007-10-091-3/+3
| | | | | | | | | | | | Also fix up the comments. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Fake up 'wcc' attributes to prevent cache invalidation after writeTrond Myklebust2007-10-092-1/+3
| | | | | | | | | | | | | | | | | | NFSv2 and v4 don't offer weak cache consistency attributes on WRITE calls. In NFSv3, returning wcc data is optional. In all cases, we want to prevent the client from invalidating our cached data whenever ->write_done() attempts to update the inode attributes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Fix atime revalidation in readdir()Trond Myklebust2007-10-091-0/+1
| | | | | | | | | | | | | | | | NFSv3 will correctly update atime on a readdir call, so there is no need to set the NFS_INO_INVALID_ATIME flag unless the call to nfs_refresh_inode() fails. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Don't force a dcache revalidation if nfs_wcc_update_inode succeedsTrond Myklebust2007-10-091-1/+3
| | | | | | | | | | | | | | | | The reason is that if the weak cache consistency update was successful, then we know that our client must be the only one that changed the directory, and we've already updated the dcache to reflect the change. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: fix nfs_verify_change_attributeTrond Myklebust2007-10-091-1/+1
| | | | | | | | | | | | | | | | | | We always want to check that the verifier and directory cache_change_attribute match. This also allows us to remove the 'wraparound hack' for the cache_change_attribute. If we're only checking for equality, then we don't care about wraparound issues. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFSv4: Make NFSv4 ACCESS calls return attributes too...Trond Myklebust2007-10-091-0/+3
| | | | | | | | | | | | | | It doesn't really make sense to cache an access call without also revalidating the attributes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFSv4: Simplify _nfs4_do_access()Trond Myklebust2007-10-091-3/+2
| | | | | | | | | | | | | | | | Currently, _nfs4_do_access() is just a copy of nfs_do_access() with added conversion of the open flags into an access mask. This patch merges the duplicate functionality. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Replace file->private_data with calls to nfs_file_open_context()Trond Myklebust2007-10-091-6/+2
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Add a helper to extract the nfs_open_context from a struct fileTrond Myklebust2007-10-091-0/+5
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * RPCRDMA: rpc rdma transport switch\"Talpey, Thomas\2007-10-091-0/+5
| | | | | | | | | | | | | | | | | | | | This implements the configuration and building of the core transport switch implementation of the rpcrdma transport. Stubs are provided for the rpcrdma protocol handling, and the infiniband/iwarp verbs interface. These are provided in following patches. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * RPCRDMA: Kconfig and header file with rpcrdma protocol definitions\"Talpey, Thomas\2007-10-092-0/+201
| | | | | | | | | | | | | | | | | | This file implements the configuration target, protocol template and constants for the rpcrdma transport framing, for use by the xprtrdma rpc transport implementation. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS/SUNRPC: support transport protocol naming\"Talpey, Thomas\2007-10-092-3/+13
| | | | | | | | | | | | | | | | To prepare for including non-sockets-based RPC transports, select RPC transports by an identifier (to be used in following patches). Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: rearrange RPC sockets definitions\"Talpey, Thomas\2007-10-092-22/+40
| | | | | | | | | | | | | | | | To prepare for including non-sockets-based RPC transports, move the sockets-dependent definitions into their own file. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: rename the rpc_xprtsock_create structure\"Talpey, Thomas\2007-10-091-5/+5
| | | | | | | | | | | | | | | | To prepare for including non-sockets-based RPC transports, change the overly suggestive name of the transport creation arguments struct. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Provide a new API for registering transport implementations\"Talpey, Thomas\2007-10-091-0/+11
| | | | | | | | | | | | | | | | | | | | | | To allow transport capabilities to be loaded dynamically, provide an API for registering and unregistering the transports with the RPC client. Eventually xprt_create_transport() will be changed to search the list of registered transports when initializing a fresh transport. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: mark bulk read/write data in xdrbuf\"Talpey, Thomas\2007-10-091-1/+4
| | | | | | | | | | | | | | | | | | | | Adds a flag word to the xdrbuf struct which indicates any bulk disposition of the data. This enables RPC transport providers to marshal it efficiently/appropriately, and may enable other optimizations. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: export per-transport rpcbind netid's\"Talpey, Thomas\2007-10-091-0/+1
| | | | | | | | | | | | | | | | The rpcbind (v3+) netid is provided by each RPC client transport. This fixes an omission in IPv6 rpcbind client support, and enables future extension. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: move per-transport rpcbind netid's\"Talpey, Thomas\2007-10-091-0/+13
| | | | | | | | | | | | | | Move the TCP/UDP rpcbind netid's from the rpcbind client to a global header. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: fix a signed v. unsigned comparison nit in rpc_bind_new_programChuck Lever2007-10-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | /home/cel/linux/net/sunrpc/clnt.c: In function ‘rpc_bind_new_program’: /home/cel/linux/net/sunrpc/clnt.c:445: warning: comparison between signed and unsigned RPC version numbers are u32, not int. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Add support for formatted universal addressesChuck Lever2007-10-091-0/+1
| | | | | | | | | | | | | | | | "Universal addresses" are a string representation of an IP address and port. They are described fully in RFC 3530, section 2.2. Add support for generating them in the RPC client's socket transport module. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
| * SUNRPC: Add hex-formatted address support to rpc_peeraddr2str()Chuck Lever2007-10-091-0/+2
| | | | | | | | | | | | | | | | | | | | | | Add support for the NFS client's need to export volume information with IP addresses formatted in hex instead of decimal. This isn't used yet, but subsequent patches (not in this series) will change the NFS client to use this functionality. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * Re: [NFS] [PATCH] Attribute timeout handling and wrapping u32 jiffiesFabio Olive Leite2007-10-091-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I would like to discuss the idea that the current checks for attribute timeout using time_after are inadequate for 32bit architectures, since time_after works correctly only when the two timestamps being compared are within 2^31 jiffies of each other. The signed overflow caused by comparing values more than 2^31 jiffies apart will flip the result, causing incorrect assumptions of validity. 2^31 jiffies is a fairly large period of time (~25 days) when compared to the lifetime of most kernel data structures, but for long lived NFS mounts that can sit idle for months (think that for some reason autofs cannot be used), it is easy to compare inode attribute timestamps with very disparate or even bogus values (as in when jiffies have wrapped many times, where the comparison doesn't even make sense). Currently the code tests for attribute timeout by simply adding the desired amount of jiffies to the stored timestamp and comparing that with the current timestamp of obtained attribute data with time_after. This is incorrect, as it returns true for the desired timeout period and another full 2^31 range of jiffies. In testing with artificial jumps (several small jumps, not one big crank) of the jiffies I was able to reproduce a problem found in a server with very long lived NFS mounts, where attributes would not be refreshed even after touching files and directories in the server: Initial uptime: 03:42:01 up 6 min, 0 users, load average: 0.01, 0.12, 0.07 NFS volume is mounted and time is advanced: 03:38:09 up 25 days, 2 min, 0 users, load average: 1.22, 1.05, 1.08 # ls -l /local/A/foo/bar /nfs/A/foo/bar -rw-r--r-- 1 root root 0 Dec 17 03:38 /local/A/foo/bar -rw-r--r-- 1 root root 0 Nov 22 00:36 /nfs/A/foo/bar # touch /local/A/foo/bar # ls -l /local/A/foo/bar /nfs/A/foo/bar -rw-r--r-- 1 root root 0 Dec 17 03:47 /local/A/foo/bar -rw-r--r-- 1 root root 0 Nov 22 00:36 /nfs/A/foo/bar We can see the local mtime is updated, but the NFS mount still shows the old value. The patch below makes it work: Initial setup... 07:11:02 up 25 days, 1 min, 0 users, load average: 0.15, 0.03, 0.04 # ls -l /local/A/foo/bar /nfs/A/foo/bar -rw-r--r-- 1 root root 0 Jan 11 07:11 /local/A/foo/bar -rw-r--r-- 1 root root 0 Jan 11 07:11 /nfs/A/foo/bar # touch /local/A/foo/bar # ls -l /local/A/foo/bar /nfs/A/foo/bar -rw-r--r-- 1 root root 0 Jan 11 07:14 /local/A/foo/bar -rw-r--r-- 1 root root 0 Jan 11 07:14 /nfs/A/foo/bar Signed-off-by: Fabio Olive Leite <fleite@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Fall back to synchronous writes when a background write errors...Trond Myklebust2007-10-091-0/+3
| | | | | | | | | | | | | | | | This helps prevent huge queues of background writes from building up whenever the server runs out of disk or quota space, or if someone changes the file access modes behind our backs. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Clean up NFS writeback flush codeTrond Myklebust2007-10-091-1/+1
| | | | | | | | | | | | | | | | The only user of nfs_sync_mapping_range() is nfs_getattr(), which uses it to flush out the entire inode without sending a commit. We therefore replace nfs_sync_mapping_range with a more appropriate helper. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * VFS: Remove writeback_control->fs_privateTrond Myklebust2007-10-091-2/+0
| | | | | | | | | | | | The only user of this field was NFS. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Clean up write code...Trond Myklebust2007-10-092-2/+0
| | | | | | | | | | | | | | The addition of nfs_page_mkwrite means that We should no longer need to create requests inside nfs_writepage() Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | Merge branch 'v2.6.24-lockdep' of ↵Linus Torvalds2007-10-157-3/+67
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep * 'v2.6.24-lockdep' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep: lockdep: annotate dir vs file i_mutex lockdep: per filesystem inode lock class lockdep: annotate kprobes irq fiddling lockdep: annotate rcu_read_{,un}lock{,_bh} lockdep: annotate journal_start() lockdep: s390: connect the sysexit hook lockdep: x86_64: connect the sysexit hook lockdep: i386: connect the sysexit hook lockdep: syscall exit check lockdep: fixup mutex annotations lockdep: fix mismatched lockdep_depth/curr_chain_hash lockdep: Avoid /proc/lockdep & lock_stat infinite output lockdep: maintainers
| * | lockdep: annotate dir vs file i_mutexPeter Zijlstra2007-10-141-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Mon, 2007-09-24 at 22:13 -0400, Steven Rostedt wrote: > The circular lock seems to be this: > > #1: > > sys_mmap2: down_write(&mm->mmap_sem); > nfs_revalidate_mapping: mutex_lock(&inode->i_mutex); > > > #0: > > vfs_readdir: mutex_lock(&inode->i_mutex); > - during the readdir (filldir64), we take a user fault (missing page?) > and call do_page_fault - > do_page_fault: down_read(&mm->mmap_sem); > > > So it does indeed look like a circular locking. Now the question is, "is > this a bug?". Looking like the inode of #1 must be a file or something > else that you can mmap and the inode of #0 seems it must be a directory. > I would say "no". > > Now if you can readdir on a file or mmap a directory, then this could be > an issue. > > Otherwise, I'd love to see someone teach lockdep about this issue! ;-) Make a distinction between file and dir usage of i_mutex. The inode should be complete and unused at unlock_new_inode(), re-init i_mutex depending on its type. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
| * | lockdep: per filesystem inode lock classPeter Zijlstra2007-10-151-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | Give each filesystem its own inode lock class. The various filesystems have different locking order wrt the inode locks; esp. the pseudo filesystems differ from the rest. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
| * | lockdep: annotate rcu_read_{,un}lock{,_bh}Peter Zijlstra2007-10-112-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | lockdep annotate rcu_read_{,un}lock{,_bh} in order to catch imbalanced usage. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
| * | lockdep: annotate journal_start()Peter Zijlstra2007-10-111-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Fri, 2007-07-13 at 02:05 -0700, Andrew Morton wrote: > Except lockdep doesn't know about journal_start(), which has ranking > requirements similar to a semaphore. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | lockdep: x86_64: connect the sysexit hookPeter Zijlstra2007-10-111-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | Run the lockdep_sys_exit hook after all other C code on the syscall return path. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | lockdep: i386: connect the sysexit hookPeter Zijlstra2007-10-111-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | Run the lockdep_sys_exit hook after all other C code on the syscall return path. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | lockdep: syscall exit checkPeter Zijlstra2007-10-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | Provide a check to validate that we do not hold any locks when switching back to user-space. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | lockdep: fixup mutex annotationsPeter Zijlstra2007-10-111-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The fancy mutex_lock fastpath has too many indirections to track the caller hence all contentions are perceived to come from mutex_lock(). Avoid this by explicitly not using the fastpath code (it was disabled already anyway). Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | Merge branch 'release' of ↵Linus Torvalds2007-10-152-6/+11
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] update sn2_defconfig [IA64] Fix kernel hangup in kdump on INIT [IA64] Fix kernel panic in kdump on INIT [IA64] Remove vector from ia64_machine_kexec() [IA64] Fix race when multiple cpus go through MCA [IA64] Remove needless delay in MCA rendezvous [IA64] add driver for ACPI methods to call native firmware [IA64] abstract SAL_CALL wrapper to allow other firmware entry points [IA64] perfmon: Remove exit_pfm_fs() [IA64] tree-wide: Misc __cpu{initdata, init, exit} annotations
| * | | [IA64] Fix kernel panic in kdump on INITKenji Kaneshige2007-10-131-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the problem that kdump on INIT causes a kernel panic if kdump kernel image is not configured. The cause of this problem is machine_kexec_on_init() is using printk in INIT context. It should use ia64_mca_printk() instead. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | | [IA64] abstract SAL_CALL wrapper to allow other firmware entry pointsBjorn Helgaas2007-10-131-6/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SAL_CALL() always calls through the ia64_sal function pointer. I am adding new functionality that needs the same conventions as SAL_CALL (FP regs saved/restored, sal_lock acquired, etc), but doesn't use the ia64_sal function pointer. This patch pulls the body of SAL_CALL out into a new "IA64_FW_CALL" that takes care of these calling conventions, but allows the caller to specify either ia64_sal or some other firmware entry point. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds2007-10-153-31/+74
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: (140 commits) sched: sync wakeups preempt too sched: affine sync wakeups sched: guest CPU accounting: maintain guest state in KVM sched: guest CPU accounting: maintain stats in account_system_time() sched: guest CPU accounting: add guest-CPU /proc/<pid>/stat fields sched: guest CPU accounting: add guest-CPU /proc/stat field sched: domain sysctl fixes: add terminator comment sched: domain sysctl fixes: do not crash on allocation failure sched: domain sysctl fixes: unregister the sysctl table before domains sched: domain sysctl fixes: use for_each_online_cpu() sched: domain sysctl fixes: use kcalloc() Make scheduler debug file operations const sched: enable wake-idle on CONFIG_SCHED_MC=y sched: reintroduce topology.h tunings sched: allow the immediate migration of cache-cold tasks sched: debug, improve migration statistics sched: debug: increase width of debug line sched: activate task_hot() only on fair-scheduled tasks sched: reintroduce cache-hot affinity sched: speed up context-switches a bit ...
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