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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'ro-bind.b6' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (24 commits)
[PATCH] r/o bind mounts: debugging for missed calls
[PATCH] r/o bind mounts: honor mount writer counts at remount
[PATCH] r/o bind mounts: track numbers of writers to mounts
[PATCH] r/o bind mounts: check mnt instead of superblock directly
[PATCH] r/o bind mounts: elevate count for xfs timestamp updates
[PATCH] r/o bind mounts: make access() use new r/o helper
[PATCH] r/o bind mounts: write counts for truncate()
[PATCH] r/o bind mounts: elevate write count for chmod/chown callers
[PATCH] r/o bind mounts: elevate write count for open()s
[PATCH] r/o bind mounts: elevate write count for ioctls()
[PATCH] r/o bind mounts: write count for file_update_time()
[PATCH] r/o bind mounts: elevate write count for do_utimes()
[PATCH] r/o bind mounts: write counts for touch_atime()
[PATCH] r/o bind mounts: elevate write count for ncp_ioctl()
[PATCH] r/o bind mounts: elevate write count for xattr_permission() callers
[PATCH] r/o bind mounts: get write access for vfs_rename() callers
[PATCH] r/o bind mounts: write counts for link/symlink
[PATCH] r/o bind mounts: get callers of vfs_mknod/create/mkdir()
[PATCH] r/o bind mounts: elevate write count for rmdir and unlink.
[PATCH] r/o bind mounts: drop write during emergency remount
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (27 commits)
sh: Fix up L2 cache probe.
sh: Fix up SH-4A part probe.
sh: Add support for SH7723 CPU subtype.
sh: Fix up SH7763 build.
sh: Add migor_ts support to MigoR
sh: Add rs5c732b RTC support to MigoR
sh: Add I2C support to MigoR
sh: Add I2C platform data to sh7722
sh: MigoR NAND flash support using gen_flash
sh: MigoR NOR flash support using physmap-flash
sh: Fix up mach-types formatting from merge damage.
sh: r7780rp: Hook up the I2C and SMBus platform devices.
sh: Use phyical addresses for MigoR smc91x resources
sh: Use physical addresses for sh7722 USBF resources
sh: Add MigoR header file
Fix sh_keysc double free
sh: Fix up __access_ok() check for nommu.
sh: Allow optimized clear/copy page routines to be used on SH-2.
sh: Hook up the rest of the SH7770 serial ports.
sh: Add support for Solution Engine SH7721 board
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The RCU iterators used 'rcu_dereference()' on an already-fetched RCU
pointer value, which defeats the whole point of the exercise.
When we dereference a pointer protected by RCU, we need to make sure
that we only fetch the value _once_, because if the compiler ends up
re-loading it due to register pressure, the newly reloaded value could
be different from the previously fetched one, and you get inconsistent
results.
Cleaned-up, fixed, and the pointless list_for_each_safe_rcu #define
deleted by Paul Kenney.
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There have been a few oopses caused by 'struct file's with NULL f_vfsmnts.
There was also a set of potentially missed mnt_want_write()s from
dentry_open() calls.
This patch provides a very simple debugging framework to catch these kinds of
bugs. It will WARN_ON() them, but should stop us from having any oopses or
mnt_writer count imbalances.
I'm quite convinced that this is a good thing because it found bugs in the
stuff I was working on as soon as I wrote it.
[hch: made it conditional on a debug option.
But it's still a little bit too ugly]
[hch: merged forced remount r/o fix from Dave and akpm's fix for the fix]
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Originally from: Herbert Poetzl <herbert@13thfloor.at>
This is the core of the read-only bind mount patch set.
Note that this does _not_ add a "ro" option directly to the bind mount
operation. If you require such a mount, you must first do the bind, then
follow it up with a 'mount -o remount,ro' operation:
If you wish to have a r/o bind mount of /foo on bar:
mount --bind /foo /bar
mount -o remount,ro /bar
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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This is the real meat of the entire series. It actually
implements the tracking of the number of writers to a mount.
However, it causes scalability problems because there can be
hundreds of cpus doing open()/close() on files on the same mnt at
the same time. Even an atomic_t in the mnt has massive scalaing
problems because the cacheline gets so terribly contended.
This uses a statically-allocated percpu variable. All want/drop
operations are local to a cpu as long that cpu operates on the same
mount, and there are no writer count imbalances. Writer count
imbalances happen when a write is taken on one cpu, and released
on another, like when an open/close pair is performed on two
Upon a remount,ro request, all of the data from the percpu
variables is collected (expensive, but very rare) and we determine
if there are any outstanding writers to the mount.
I've written a little benchmark to sit in a loop for a couple of
seconds in several cpus in parallel doing open/write/close loops.
http://sr71.net/~dave/linux/openbench.c
The code in here is a a worst-possible case for this patch. It
does opens on a _pair_ of files in two different mounts in parallel.
This should cause my code to lose its "operate on the same mount"
optimization completely. This worst-case scenario causes a 3%
degredation in the benchmark.
I could probably get rid of even this 3%, but it would be more
complex than what I have here, and I think this is getting into
acceptable territory. In practice, I expect writing more than 3
bytes to a file, as well as disk I/O to mask any effects that this
has.
(To get rid of that 3%, we could have an #defined number of mounts
in the percpu variable. So, instead of a CPU getting operate only
on percpu data when it accesses only one mount, it could stay on
percpu data when it only accesses N or fewer mounts.)
[AV] merged fix for __clear_mnt_mount() stepping on freed vfsmount
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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If someone decides to demote a file from r/w to just
r/o, they can use this same code as __fput().
NFS does just that, and will use this in the next
patch.
AV: drop write access in __fput() only after we evict from file list.
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Cc: Erez Zadok <ezk@cs.sunysb.edu>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J Bruce Fields" <bfields@fieldses.org>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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This patch adds two function mnt_want_write() and mnt_drop_write(). These are
used like a lock pair around and fs operations that might cause a write to the
filesystem.
Before these can become useful, we must first cover each place in the VFS
where writes are performed with a want/drop pair. When that is complete, we
can actually introduce code that will safely check the counts before allowing
r/w<->r/o transitions to occur.
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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open_namei() will, in the future, need to take mount write counts
over its creation and truncation (via may_open()) operations. It
needs to keep these write counts until any potential filp that is
created gets __fput()'d.
This gets complicated in the error handling and becomes very murky
as to how far open_namei() actually got, and whether or not that
mount write count was taken. That makes it a bad interface.
All that the current do_filp_open() really does is allocate the
nameidata on the stack, then call open_namei().
So, this merges those two functions and moves filp_open() over
to namei.c so it can be close to its buddy: do_filp_open(). It
also gets a kerneldoc comment in the process.
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
security: fix up documentation for security_module_enable
Security: Introduce security= boot parameter
Audit: Final renamings and cleanup
SELinux: use new audit hooks, remove redundant exports
Audit: internally use the new LSM audit hooks
LSM/Audit: Introduce generic Audit LSM hooks
SELinux: remove redundant exports
Netlink: Use generic LSM hook
Audit: use new LSM hooks instead of SELinux exports
SELinux: setup new inode/ipc getsecid hooks
LSM: Introduce inode_getsecid and ipc_getsecid hooks
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits)
[NET]: Fix and allocate less memory for ->priv'less netdevices
[IPV6]: Fix dangling references on error in fib6_add().
[NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found
[PKT_SCHED]: Fix datalen check in tcf_simp_init().
[INET]: Uninline the __inet_inherit_port call.
[INET]: Drop the inet_inherit_port() call.
SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.
[netdrvr] forcedeth: internal simplifications; changelog removal
phylib: factor out get_phy_id from within get_phy_device
PHY: add BCM5464 support to broadcom PHY driver
cxgb3: Fix __must_check warning with dev_dbg.
tc35815: Statistics cleanup
natsemi: fix MMIO for PPC 44x platforms
[TIPC]: Cleanup of TIPC reference table code
[TIPC]: Optimized initialization of TIPC reference table
[TIPC]: Remove inlining of reference table locking routines
e1000: convert uint16_t style integers to u16
ixgb: convert uint16_t style integers to u16
sb1000.c: make const arrays static
sb1000.c: stop inlining largish static functions
...
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Add the security= boot parameter. This is done to avoid LSM
registration clashes in case of more than one bult-in module.
User can choose a security module to enable at boot. If no
security= boot parameter is specified, only the first LSM
asking for registration will be loaded. An invalid security
module name will be treated as if no module has been chosen.
LSM modules must check now if they are allowed to register
by calling security_module_enable(ops) first. Modify SELinux
and SMACK to do so.
Do not let SMACK register smackfs if it was not chosen on
boot. Smackfs assumes that smack hooks are registered and
the initial task security setup (swapper->security) is done.
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
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Rename the se_str and se_rule audit fields elements to
lsm_str and lsm_rule to avoid confusion.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
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Setup the new Audit LSM hooks for SELinux.
Remove the now redundant exported SELinux Audit interface.
Audit: Export 'audit_krule' and 'audit_field' to the public
since their internals are needed by the implementation of the
new LSM hook 'audit_rule_known'.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
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Introduce a generic Audit interface for security modules
by adding the following new LSM hooks:
audit_rule_init(field, op, rulestr, lsmrule)
audit_rule_known(krule)
audit_rule_match(secid, field, op, rule, actx)
audit_rule_free(rule)
Those hooks are only available if CONFIG_AUDIT is enabled.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
Reviewed-by: Paul Moore <paul.moore@hp.com>
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Remove the following exported SELinux interfaces:
selinux_get_inode_sid(inode, sid)
selinux_get_ipc_sid(ipcp, sid)
selinux_get_task_sid(tsk, sid)
selinux_sid_to_string(sid, ctx, len)
They can be substitued with the following generic equivalents
respectively:
new LSM hook, inode_getsecid(inode, secid)
new LSM hook, ipc_getsecid*(ipcp, secid)
LSM hook, task_getsecid(tsk, secid)
LSM hook, sid_to_secctx(sid, ctx, len)
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
Reviewed-by: Paul Moore <paul.moore@hp.com>
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Introduce inode_getsecid(inode, secid) and ipc_getsecid(ipcp, secid)
LSM hooks. These hooks will be used instead of similar exported
SELinux interfaces.
Let {inode,ipc,task}_getsecid hooks set the secid to 0 by default
if CONFIG_SECURITY is not defined or if the hook is set to
NULL (dummy). This is done to notify the caller that no valid
secid exists.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
Reviewed-by: Paul Moore <paul.moore@hp.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (137 commits)
[SCSI] iscsi: bidi support for iscsi_tcp
[SCSI] iscsi: bidi support at the generic libiscsi level
[SCSI] iscsi: extended cdb support
[SCSI] zfcp: Fix error handling for blocked unit for send FCP command
[SCSI] zfcp: Remove zfcp_erp_wait from slave destory handler to fix deadlock
[SCSI] zfcp: fix 31 bit compile warnings
[SCSI] bsg: no need to set BSG_F_BLOCK bit in bsg_complete_all_commands
[SCSI] bsg: remove minor in struct bsg_device
[SCSI] bsg: use better helper list functions
[SCSI] bsg: replace kobject_get with blk_get_queue
[SCSI] bsg: takes a ref to struct device in fops->open
[SCSI] qla1280: remove version check
[SCSI] libsas: fix endianness bug in sas_ata
[SCSI] zfcp: fix compiler warning caused by poking inside new semaphore (linux-next)
[SCSI] aacraid: Do not describe check_reset parameter with its value
[SCSI] aacraid: Fix down_interruptible() to check the return value
[SCSI] sun3_scsi_vme: add MODULE_LICENSE
[SCSI] st: rename flush_write_buffer()
[SCSI] tgt: use KMEM_CACHE macro
[SCSI] initio: fix big endian problems for auto request sense
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (49 commits)
[GFS2] fix assertion in log_refund()
[GFS2] fix GFP_KERNEL misuses
[GFS2] test for IS_ERR rather than 0
[GFS2] Invalidate cache at correct point
[GFS2] fs/gfs2/recovery.c: suppress warnings
[GFS2] Faster gfs2_bitfit algorithm
[GFS2] Streamline quota lock/check for no-quota case
[GFS2] Remove drop of module ref where not needed
[GFS2] gfs2_adjust_quota has broken unstuffing code
[GFS2] possible null pointer dereference fixup
[GFS2] Need to ensure that sector_t is 64bits for GFS2
[GFS2] re-support special inode
[GFS2] remove gfs2_dev_iops
[GFS2] fix file_system_type leak on gfs2meta mount
[GFS2] Allow bmap to allocate extents
[GFS2] Fix a page lock / glock deadlock
[GFS2] proper extern for gfs2/locking/dlm/mount.c:gdlm_ops
[GFS2] gfs2/ops_file.c should #include "ops_inode.h"
[GFS2] be*_add_cpu conversion
[GFS2] Fix bug where we called drop_bh incorrectly
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Support for extended CDBs in iscsi.
All we need is to check if command spills over 16 bytes then allocate
an iscsi-extended-header for the leftovers.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Reviewed-by: Pete Wyckoff <pw@osc.edu>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This adds basic support for the SH7723 MobileR2 CPU.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch adds a MigoR specific header file. We may want to use a cpu
specific header file instead, but this will do for now.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Presently this only checks to see if an address is an RAM, but this
doesn't work with XIP, so just always return 1. Follows m68knommu.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add support for Solution Engine SH7721 board(MS7721RP01).
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Masayuki Hosokawa <hosokawa@ace-jp.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add KEYSC platform data for the Solution Engine 7722 board.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add a platform driver for the SuperH KEYSC block. The driver expects to get
mode, timing information and keypad layout from the board code as platform
data. The board code is resonsible for pin configuration.
Both sh7343 and sh7722 should be supported, but only the sh7722 processor has
been tested so far. SH_KEYSC_MODE_3 is yet to be tested.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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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: (27 commits)
[IA64] kdump: Add crash_save_vmcoreinfo for INIT
[IA64] Fix NUMA configuration issue
[IA64] Itanium Spec updates
[IA64] Untangle sync_icache_dcache() page size determination
[IA64] arch/ia64/kernel/: use time_* macros
[IA64] remove redundant display of free swap space in show_mem()
[IA64] make IOMMU respect the segment boundary limits
[IA64] kprobes: kprobe-booster for ia64
[IA64] fix getpid and set_tid_address fast system calls for pid namespaces
[IA64] Replace explicit jiffies tests with time_* macros.
[IA64] use goto to jump out do/while_each_thread
[IA64] Fix unlock ordering in smp_callin
[IA64] pgd_offset() constfication.
[IA64] kdump: crash.c coding style fix
[IA64] kdump: add kdump_on_fatal_mca
[IA64] Minimize per_cpu reservations.
[IA64] Correct pernodesize calculation.
[IA64] Kernel parameter for max number of concurrent global TLB purges
[IA64] Multiple outstanding ptc.g instruction support
[IA64] Implement smp_call_function_mask for ia64
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (58 commits)
ide: remove ide_init_default_irq() macro
ide: move default IDE ports setup to ide_generic host driver
ide: remove obsoleted "idex=noprobe" kernel parameter (take 2)
ide: remove needless hwif->irq check from ide_hwif_configure()
ide: init hwif->{io_ports,irq} explicitly in legacy VLB host drivers
ide: limit legacy VLB host drivers to alpha, x86 and mips
cmd640: init hwif->{io_ports,irq} explicitly
cmd640: cleanup setup_device_ptrs()
ide: add ide-4drives host driver (take 3)
ide: remove ppc ifdef from init_ide_data()
ide: remove ide_default_io_ctl() macro
ide: remove CONFIG_IDE_ARCH_OBSOLETE_INIT
ide: add CONFIG_IDE_ARCH_OBSOLETE_DEFAULTS (take 2)
ppc/pmac: remove no longer needed IDE quirk
ppc: don't include <linux/ide.h>
ppc: remove ppc_ide_md
ppc/pplus: remove ppc_ide_md.ide_init_hwif hook
ppc/sandpoint: remove ppc_ide_md hooks
ppc/lopec: remove ppc_ide_md hooks
ppc/mpc8xx: remove ppc_ide_md hooks
...
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
dmaengine: ack to flags: make use of the unused bits in the 'ack' field
iop-adma: remove the workaround for missed interrupts on iop3xx
async_tx: kill ->device_dependency_added
async_tx: fix multiple dependency submission
fsldma: Split the MPC83xx event from MPC85xx and refine irq codes.
fsldma: Remove CONFIG_FSL_DMA_SELFTEST, keep fsl_dma_self_test() running always.
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (79 commits)
ata-acpi: don't call _GTF for disabled drive
sata_mv add temporary 3 second init delay for SiliconImage PMs
sata_mv remove redundant edma init code
sata_mv add basic port multiplier support
sata_mv fix SOC flags, enable NCQ on SOC
sata_mv disable hotplug for now
sata_mv cosmetics
sata_mv hardreset rework
[libata] improve Kconfig help text for new PMP, SFF options
libata: make EH fail gracefully if no reset method is available
libata: Be a bit more slack about early devices
libata: cable logic
libata: move link onlineness check out of softreset methods
libata: kill dead code paths in reset path
pata_scc: fix build breakage
libata: make PMP support optional
libata: implement PMP helpers
libata: separate PMP support code from core code
libata: make SFF support optional
libata: don't use ap->ioaddr in non-SFF drivers
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt:
clocksource: make clocksource watchdog cycle through online CPUs
Documentation: move timer related documentation to a single place
clockevents: optimise tick_nohz_stop_sched_tick() a bit
locking: remove unused double_spin_lock()
hrtimers: simplify lockdep handling
timers: simplify lockdep handling
posix-timers: fix shadowed variables
timer_list: add annotations to workqueue.c
hrtimer: use nanosleep specific restart_block fields
hrtimer: add nanosleep specific restart_block member
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* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-kgdb:
kgdb: always use icache flush for sw breakpoints
kgdb: fix SMP NMI kgdb_handle_exception exit race
kgdb: documentation fixes
kgdb: allow static kgdbts boot configuration
kgdb: add documentation
kgdb: Kconfig fix
kgdb: add kgdb internal test suite
kgdb: fix several kgdb regressions
kgdb: kgdboc pl011 I/O module
kgdb: fix optional arch functions and probe_kernel_*
kgdb: add x86 HW breakpoints
kgdb: print breakpoint removed on exception
kgdb: clocksource watchdog
kgdb: fix NMI hangs
kgdb: fix kgdboc dynamic module configuration
kgdb: document parameters
x86: kgdb support
consoles: polling support, kgdboc
kgdb: core
uaccess: add probe_kernel_write()
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (613 commits)
x86: standalone trampoline code
x86: move suspend wakeup code to C
x86: coding style fixes to arch/x86/kernel/acpi/sleep.c
x86: setup_trampoline() - fix section mismatch warning
x86: section mismatch fixes, #1
x86: fix paranoia about using BIOS quickboot mechanism.
x86: print out buggy mptable
x86: use cpu_online()
x86: use cpumask_of_cpu()
x86: remove unnecessary tmp local variable
x86: remove unnecessary memset()
x86: use ioapic_read_entry() and ioapic_write_entry()
x86: avoid redundant loop in io_apic_level_ack_pending()
x86: remove superfluous initialisation in boot code.
x86: merge mpparse_{32,64}.c
x86: unify mp_register_gsi
x86: unify mp_config_acpi_legacy_irqs
x86: unify mp_register_ioapic
x86: unify uniq_io_apic_id
x86: unify smp_scan_config
...
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git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc
* 'semaphore' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc:
Remove DEBUG_SEMAPHORE from Kconfig
Improve semaphore documentation
Simplify semaphore implementation
Add down_timeout and change ACPI to use it
Introduce down_killable()
Generic semaphore implementation
Add semaphore.h to kernel_lock.c
Fix quota.h includes
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (104 commits)
IB/iser: Don't change itt endianness
IB/mlx4: Update module version and release date
IPoIB: Handle case when P_Key is deleted and re-added at same index
IB/iser: Release connection resources on RDMA_CM_EVENT_DEVICE_REMOVAL event
IB/mlx4: Fix incorrect comment
IB/mlx4: Fix race when detaching a QP from a multicast group
IB/ehca: Support all ibv_devinfo values in query_device() and query_port()
RDMA/nes: Free IRQ before killing tasklet
IB/mthca: Update module version and release date
IB/mlx4: Update QP state if query QP succeeds
IB/mthca: Update QP state if query QP succeeds
RDMA/amso1100: Add check for NULL reply_msg in c2_intr()
IB/mlx4: Add support for resizing CQs
IB/mlx4: Add support for modifying CQ moderation parameters
IPoIB: Support modifying IPoIB CQ event moderation
IB/core: Add support for modify CQ
IPoIB: Add basic ethtool support
mlx4_core: Increase max number of QPs to 128K
RDMA/amso1100: Add support for "send with invalidate" work requests
IB/core: Add support for "send with invalidate" work requests
...
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (36 commits)
[S390] Remove code duplication from monreader / dcssblk.
[S390] kernel: show last breaking-event-address on oops
[S390] lowcore: Change type of lowcores softirq_pending to __u32.
[S390] zcrypt: Comments and kernel-doc cleanup
[S390] uaccess: Always access the correct address space.
[S390] Fix a lot of sparse warnings.
[S390] Convert s390 to GENERIC_CLOCKEVENTS.
[S390] genirq/clockevents: move irq affinity prototypes/inlines to interrupt.h
[S390] Convert monitor calls to function calls.
[S390] qdio (new feature): enhancing info-retrieval from QDIO-adapters
[S390] replace remaining __FUNCTION__ occurrences
[S390] remove redundant display of free swap space in show_mem()
[S390] qdio: remove outdated developerworks link.
[S390] Add debug_register_mode() function to debug feature API
[S390] crypto: use more descriptive function names for init/exit routines.
[S390] switch sched_clock to store-clock-extended.
[S390] zcrypt: add support for large random numbers
[S390] hw_random: allow rng_dev_read() to return hardware errors.
[S390] Vertical cpu management.
[S390] cpu topology support for s390.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
slub: No need for per node slab counters if !SLUB_DEBUG
slub: Move map/flag clearing to __free_slab
slub: Fixes to per cpu stat output in sysfs
slub: Deal with config variable dependencies
slub: Reduce #ifdef ZONE_DMA by moving kmalloc_caches_dma near dma logic
slub: Initialize per-cpu stats
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master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
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This deblats ~200 bytes when ipv6 and dccp are 'y'.
Besides, this will ease compilation issues for patches
I'm working on to make inet hash tables more scalable
wrt net namespaces.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As I can see from the code, two places (tcp_v6_syn_recv_sock and
dccp_v6_request_recv_sock) that call this one already run with
BHs disabled, so it's safe to call __inet_inherit_port there.
Besides (in case I missed smth with code review) the calltrace
tcp_v6_syn_recv_sock
`- tcp_v4_syn_recv_sock
`- __inet_inherit_port
and the similar for DCCP are valid, but assumes BHs to be disabled.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* Use ide_default_irq() instead of ide_init_default_irq() in
ide_generic host driver (so the correct IRQ is always set
regardless of CONFIG_PCI / CONFIG_BLK_DEV_IDEPCI).
* Remove no longer needed ide_init_default_irq() macro.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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It is always == '((base) + 0x206)' if CONFIG_IDE_ARCH_OBSOLETE_DEFAULTS=y
and it is not needed otherwise (arm, blackfin, parisc, ppc64, sh, sparc[64]).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add CONFIG_IDE_ARCH_OBSOLETE_DEFAULTS to drivers/ide/Kconfig and use
it instead of defining IDE_ARCH_OBSOLETE_DEFAULTS in <arch/ide.h>.
v2:
* Define ide_default_irq() in ide-probe.c/ns87415.c if not already defined
and drop defining ide_default_irq() for CONFIG_IDE_ARCH_OBSOLETE_DEFAULTS=n.
[ Thanks to Stephen Rothwell and David Miller for noticing the problem. ]
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add special cases for pplus and prep to ide_default_{irq,io_base}()
(+ FIXMEs about the need to use IDE platform host driver instead).
* Remove no longer needed ppc_ide_md and struct ide_machdep_calls.
* Then remove <linux/ide.h> include from:
- arch/powerpc/kernel/setup_32.c
- arch/ppc/kernel/ppc_ksyms.c
- arch/ppc/kernel/setup.c
- arch/ppc/platforms/pplus.c
- arch/ppc/platforms/prep_setup.c
There should be no functional changes caused by this patch.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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This new struct unifies ide{-floppy,-tape,-scsi}'s view of a packet command. For now,
it represents the common denominator between the three drivers while adding driver-
specific members at the end of the struct which will be merged/simplified into the
generic ATAPI handling code in later steps, or removed completely.
Bart:
- move struct ide_atapi_pc outside of #ifdef/#endif CONFIG_IDE_PROC_FS
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add IDE_{ALTSTATUS,IREASON,BCOUNTL,BCOUNTH}_OFFSET defines.
* Remove IDE_*_REG macros - this results in more readable
and slightly smaller code.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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