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This moves <linux/usb_ch9.h> to <linux/usb/ch9.h> to reduce some of the
clutter of usb header files.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes a warning introduced by the big endian MMIO EHCI
support patch on platforms that don't have readl_be/writel_be variants
(though mostly harmless as those are called in an if (0) statement,
but gcc still warns).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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This patch fixes a warning introduces by the split endian OHCI support
patch on platforms that don't have readl_be/writel_be variants (though
mostly harmless as those are called in an if (0) statement, but gcc
still warns).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch implements supports for EHCI controllers whose MMIO
registers are big endian and enables that functionality for
the Toshiba SCC chip. It does _not_ add support for big endian
in-memory data structures as this is not needed for that chip
and I hope it will never be.
The guts of the patch are to convert readl(...) to
ehci_readl(ehci, ...) and similarly for register writes.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch separates support for big endian MMIO register access
and big endian descriptors in order to support the Toshiba SCC
implementation which has big endian registers but little endian
in-memory descriptors.
It simplifies the access functions a bit in ohci.h while at it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch applies David Brownell's suggestion for reworking the
OHCI quirk mechanism via a table of PCI IDs. It adapts the existing
quirks to use that mechanism.
This also moves the quirks to reset() as suggested by the comment
in there. This is necessary as we need to have the endian properly
set before we try to init the controller.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This moves the usb class devices that control the usbfs nodes to show up
in the proper place in the larger device tree.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds EPiC support to the io_edgeport driver which adds
support for a number of NCR printers:
- NCR (Axiohm) 7401-K580 printer
- NCR (TEC) 7401-K590 printer, 7402-K592
- NCR (TEC) 7167, 7168 printers
- NCR (TEC) 7197, 7198, F306, F307, F309 printers
- NCR (Axiohm) 7194 printer
- NCR (Axiohm) 7158 printer
and a few more.
It is based on the 2.6.19 kernel.
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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This patch increases the range for 0x054c:0x002c devices to make
the following Sony USB floppy to work:
T: Bus=02 Lev=01 Prnt=01 Port=02 Cnt=02 Dev#= 6 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=054c ProdID=002c Rev=20.00
S: Manufacturer=SONY
S: Product=USB Floppy
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=08(stor.) Sub=04 Prot=00 Driver=usb-storage
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 2 Ivl=127ms
Signed-off-by: Marcelo Ricardo Leitner <mrl@mandriva.com>
Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (140 commits)
ACPICA: reduce table header messages to fit within 80 columns
asus-laptop: merge with ACPICA table update
ACPI: bay: Convert ACPI Bay driver to be compatible with sysfs update.
ACPI: bay: new driver is EXPERIMENTAL
ACPI: bay: make drive_bays static
ACPI: bay: make bay a platform driver
ACPI: bay: remove prototype procfs code
ACPI: bay: delete unused variable
ACPI: bay: new driver adding removable drive bay support
ACPI: dock: check if parent is on dock
ACPICA: fix gcc build warnings
Altix: Add ACPI SSDT PCI device support (hotplug)
Altix: ACPI SSDT PCI device support
ACPICA: reduce conflicts with Altix patch series
ACPI_NUMA: fix HP IA64 simulator issue with extended memory domain
ACPI: fix HP RX2600 IA64 boot
ACPI: build fix for IBM x440 - CONFIG_X86_SUMMIT
ACPICA: Update version to 20070126
ACPICA: Fix for incorrect parameter passed to AcpiTbDeleteTable during table load.
ACPICA: Update copyright to 2007.
...
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Do not use whitespace in arguments of functions in makefiles, as they
propagate further without notice. Thus we get
+ echo ' y'
instead of
+ echo y
Fix misleading comments.
Signed-off-by: Oleg Verych <olecom@flower.upol.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Attributes in configfs are text files. As such, most handlers expect to be
able to call functions like simple_strtoul() without checking the bounds
of the buffer. Change the call to zero terminate the buffer before calling
the client's ->store() method. This does reduce the attribute size from
PAGE_SIZE to PAGE_SIZE-1.
Also, change get_zeroed_page() to alloc_page(), as we are handling the
termination.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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As was already pointed out Mathieu Avila on Thu, 07 Sep 2006 03:15:25 -0700
that OCFS2 is expecting bio_add_page() to add pages to BIOs in an easily
predictable manner.
That is not true, especially for devices with own merge_bvec_fn().
Therefore OCFS2's heartbeat code is very likely to fail on such devices.
Move the bio_put() call into the bio's bi_end_io() function. This makes the
whole idea of trying to predict the behaviour of bio_add_page() unnecessary.
Removed compute_max_sectors() and o2hb_compute_request_limits().
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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When there is a lot of multithreaded I/O usage, two threads can collide
while sending out a message to the other nodes. This is due to the lack of
locking between threads while sending out the messages.
When a connected TCP send(), sendto(), or sendmsg() arrives in the Linux
kernel, it eventually comes through tcp_sendmsg(). tcp_sendmsg() protects
itself by acquiring a lock at invocation by calling lock_sock().
tcp_sendmsg() then loops over the buffers in the iovec, allocating
associated sk_buff's and cache pages for use in the actual send. As it does
so, it pushes the data out to tcp for actual transmission. However, if one
of those allocation fails (because a large number of large sends is being
processed, for example), it must wait for memory to become available. It
does so by jumping to wait_for_sndbuf or wait_for_memory, both of which
eventually cause a call to sk_stream_wait_memory(). sk_stream_wait_memory()
contains a code path that calls sk_wait_event(). Finally, sk_wait_event()
contains the call to release_sock().
The following patch adds a lock to the socket container in order to
properly serialize outbound requests.
From: Zhen Wei <zwei@novell.com>
Acked-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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OCFS2: drop 'depends on INET' since local mounts are now allowed.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Currently the ocfs2 dlm has no timeout during dlm join domain. While this is
not a problem in normal operation, this does become an issue if, say, the
other node is refusing to let the node join the domain because of a stuck
recovery. This patch adds a 90 sec timeout.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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These messages can easily be activated using the mlog infrastructure
and don't need to be enabled by default.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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There is a small window where a joining node may not see the node(s) that
just died but are still part of the domain. To fix this, we must disallow
join requests if the joining node has a different node map.
A new field node_map is added to dlm_query_join_request to send the current
nodes nodemap along with join request. On the receiving end the nodes that
are part of the cluster verifies if this new node sees all the nodes that
are still part of the cluster. They disallow the join if the maps mismatch.
Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Eventhough the set refmap bit message is sent before the clear refmap
message, currently there is no guarentee that the set message will be
handled before the clear. This patch prevents the clear refmap to be
processed while the node is sending assert master messages to other
nodes. (The set refmap message is sent as a response to the assert
master request).
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This patch binds the o2net listener to the configured ip address
instead of INADDR_ANY for security. Fixes oss.oracle.com bugzilla#814.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This patch prevents the dlm from sending the clear refmap message
before the set refmap. We use the newly created post function handler
routine to accomplish the task.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Currently o2net allows one handler function per message type. This
patch adds the ability to call another function to be called after
the handler has returned the message to the other node.
Handlers are now given the option of returning a context (in the form of a
void **) which will be passed back into the post message handler function.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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The dlm encodes the node number and a sequence number in the lock cookie.
It also stores the cookie in the lockres in the big endian format to avoid
swapping 8 bytes on each lock request. The bug here was that it was assuming
the cookie to be in the cpu format when decoding it for printing the error
message. This patch swaps the bytes before the print.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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When the lockres is in migrate or recovery state, all convert requests
are denied with the appropriate error status that is handled on the
requester node. This patch silences the erroneous error message printed
on the master node.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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The dlm was not waking up threads waiting on the lockres wait queue,
waiting for the lockres to be no longer be in the DLM_LOCK_RES_IN_PROGRESS
and the DLM_LOCK_RES_MIGRATING states.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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dlm_dispatch_work was not processing the queued up tasks at
the first sign of the node leaving the domain leading to not
only incompleted tasks but also a mismatch in the dlm refcnt.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This is to prevent the condition in which a previously queued
up assert master asserts after we start the migration. Now
migration ensures the workqueue is flushed before proceeding
with migrating the lock to another node. This condition is
typically encountered during parallel umounts.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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The migrate lockres handler was only searching for its lock on
migrated lockres on the expected queue. This could be problematic
as the new master could have also issued a convert request
during the migration and thus moved the lock to the convert queue.
We now search for the lock on all three queues.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <Sunil.Mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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dlmunlock() was not waiting for migration to complete before releasing locks
on locally mastered locks.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <Sunil.Mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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dlmthread was removing lockres' from the dirty list
and resetting the dirty flag before shuffling the list.
This patch retains the dirty state flag until the lists
are shuffled.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <Sunil.Mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This patch makes some needlessly global functions static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This was previously broken and migration of some locks had to be temporarily
disabled. We use a new (and backward-incompatible) set of network messages
to account for all references to a lock resources held across the cluster.
once these are all freed, the master node may then free the lock resource
memory once its local references are dropped.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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The problem. When implementing a network namespace I need to be able
to have multiple network devices with the same name. Currently this
is a problem for /sys/class/net/*.
What I want is a separate /sys/class/net directory in sysfs for each
network namespace, and I want to name each of them /sys/class/net.
I looked and the VFS actually allows that. All that is needed is
for /sys/class/net to implement a follow link method to redirect
lookups to the real directory you want.
Implementing a follow link method that is sensitive to the current
network namespace turns out to be 3 lines of code so it looks like a
clean approach. Modifying sysfs so it doesn't get in my was is a bit
trickier.
I am calling the concept of multiple directories all at the same path
in the filesystem shadow directories. With the directory entry really
at that location the shadow master.
The following patch modifies sysfs so it can handle a directory
structure slightly different from the kobject tree so I can implement
the shadow directories for handling /sys/class/net/.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Maneesh Soni <maneesh@in.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174589
The ipw driver sometimes takes a long time to load its firmware.
Whilst the ipw driver should be using the async interface of
the firmware loader to make this a non-issue, this is a minimal fix.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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For the block subsystem, we want to delay all uevents until the
disk has been scanned and allpartitons are already created before
the first event is sent out.
Signed-off-by: Kay Sievers <kay.sievers@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This allows us to add type specific attributes, uevent vars and
release funtions.
A subsystem can carry different types of devices like the "block"
subsys has disks and partitions. Both types create a different set
of attributes, but belong to the same subsystem.
This corresponds to the low level objects:
kobject -> device (object/device data)
kobj_type -> device_type (type of object/device we are embedded in)
kset -> class/bus (list of objects/devices of a subsystem)
Signed-off-by: Kay Sievers <kay.sievers@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Devices converted from class_device to device should have
the same uevent keys as the original class_device had. We
search up the parents until we find the first bus device and
add the (already deprecated) PHYDEV* values.
Signed-off-by: Kay Sievers <kay.sievers@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Sysfs.h uses definitions (e.g. struct list_head s_sibling) from list.h
but does not include it.
Signed-off-by: Frank Haverkamp <haver@vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add a reference to Harbison and Steele's C book.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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if a driver returns an error in fill_read_buffer(), the buffer will be
marked as filled. Subsequent reads will return eof. But there is
no data because of an error, not because it has been read.
Not marking the buffer filled is the obvious fix.
Signed-off-by: Oliver Neukum <oliver@neukum.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch removes redundant argument checks for kobject_put().
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch removes redundant argument checks for kobject_put().
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Lockdep issues the following warning:
[ 9.064000] =============================================
[ 9.064000] [ INFO: possible recursive locking detected ]
[ 9.064000] 2.6.20-rc3-mm1 #3
[ 9.064000] ---------------------------------------------
[ 9.064000] init/1 is trying to acquire lock:
[ 9.064000] (&sysfs_inode_imutex_key){--..}, at: [<c03e6afc>] mutex_lock+0x1c/0x1f
[ 9.064000]
[ 9.064000] but task is already holding lock:
[ 9.064000] (&sysfs_inode_imutex_key){--..}, at: [<c03e6afc>] mutex_lock+0x1c/0x1f
[ 9.065000]
[ 9.065000] other info that might help us debug this:
[ 9.065000] 2 locks held by init/1:
[ 9.065000] #0: (tty_mutex){--..}, at: [<c03e6afc>] mutex_lock+0x1c/0x1f
[ 9.065000] #1: (&sysfs_inode_imutex_key){--..}, at: [<c03e6afc>] mutex_lock+0x1c/0x1f
[ 9.065000]
[ 9.065000] stack backtrace:
[ 9.065000] [<c010390d>] show_trace_log_lvl+0x1a/0x30
[ 9.066000] [<c0103935>] show_trace+0x12/0x14
[ 9.066000] [<c0103a2f>] dump_stack+0x16/0x18
[ 9.066000] [<c0138cb8>] print_deadlock_bug+0xb9/0xc3
[ 9.066000] [<c0138d17>] check_deadlock+0x55/0x5a
[ 9.066000] [<c013a953>] __lock_acquire+0x371/0xbf0
[ 9.066000] [<c013b7a9>] lock_acquire+0x69/0x83
[ 9.066000] [<c03e6b7e>] __mutex_lock_slowpath+0x75/0x2d1
[ 9.066000] [<c03e6afc>] mutex_lock+0x1c/0x1f
[ 9.066000] [<c01b249c>] sysfs_drop_dentry+0xb1/0x133
[ 9.066000] [<c01b25d1>] sysfs_hash_and_remove+0xb3/0x142
[ 9.066000] [<c01b30ed>] sysfs_remove_file+0xd/0x10
[ 9.067000] [<c02849e0>] device_remove_file+0x23/0x2e
[ 9.067000] [<c02850b2>] device_del+0x188/0x1e6
[ 9.067000] [<c028511b>] device_unregister+0xb/0x15
[ 9.067000] [<c0285318>] device_destroy+0x9c/0xa9
[ 9.067000] [<c0261431>] vcs_remove_sysfs+0x1c/0x3b
[ 9.067000] [<c0267a08>] con_close+0x5e/0x6b
[ 9.067000] [<c02598f2>] release_dev+0x4c4/0x6e5
[ 9.067000] [<c0259faa>] tty_release+0x12/0x1c
[ 9.067000] [<c0174872>] __fput+0x177/0x1a0
[ 9.067000] [<c01746f5>] fput+0x3b/0x41
[ 9.068000] [<c0172ee1>] filp_close+0x36/0x65
[ 9.068000] [<c0172f73>] sys_close+0x63/0xa4
[ 9.068000] [<c0102a96>] sysenter_past_esp+0x5f/0x99
[ 9.068000] =======================
This is due to sysfs_hash_and_remove() holding dir->d_inode->i_mutex
before calling sysfs_drop_dentry() which calls orphan_all_buffers()
which in turn takes node->i_mutex.
Signed-off-by: Frederik Deweerdt <frederik.deweerdt@gmail.com>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch prevents a race between IO and removing a file from sysfs.
It introduces a list of sysfs_buffers associated with a file at the inode.
Upon removal of a file the list is walked and the buffers marked orphaned.
IO to orphaned buffers fails with -ENODEV. The driver can safely free
associated data structures or be unloaded.
Signed-off-by: Oliver Neukum <oliver@neukum.name>
Acked-by: Maneesh Soni <maneesh@in.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Change function call order in device_bind_driver().
If we create symlinks (which might fail) before adding the device to the list
we don't have to clean up afterwards (which we didn't).
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Don't stop on the first ->probe error that is not -ENODEV/-ENXIO.
There might be a driver registered returning an unresonable return code, and
this stops probing completely even though it may make sense to try the next
possible driver. At worst, we may end up with an unbound device.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Check the return value of device_register() in platform_bus_init().
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Make make_class_name() return NULL on error and fixup callers in the
driver core.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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