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Originally, walk_memory_resource() was introduced to traverse all memory
of "System RAM" for detecting memory hotplug/unplug range. For doing so,
flags of IORESOUCE_MEM|IORESOURCE_BUSY was used and this was enough for
memory hotplug.
But for using other purpose, /proc/kcore, this may includes some firmware
area marked as IORESOURCE_BUSY | IORESOUCE_MEM. This patch makes the
check strict to find out busy "System RAM".
Note: PPC64 keeps their own walk_memory_resouce(), which walk through
ppc64's lmb informaton. Because old kclist_add() is called per lmb, this
patch makes no difference in behavior, finally.
And this patch removes CONFIG_MEMORY_HOTPLUG check from this function.
Because pfn_valid() just show "there is memmap or not* and cannot be used
for "there is physical memory or not", this function is useful in generic
to scan physical memory range.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Américo Wang <xiyou.wangcong@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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gcc permitting variable length arrays makes the current construct used for
BUILD_BUG_ON() useless, as that doesn't produce any diagnostic if the
controlling expression isn't really constant. Instead, this patch makes
it so that a bit field gets used here. Consequently, those uses where the
condition isn't really constant now also need fixing.
Note that in the gfp.h, kmemcheck.h, and virtio_config.h cases
MAYBE_BUILD_BUG_ON() really just serves documentation purposes - even if
the expression is compile time constant (__builtin_constant_p() yields
true), the array is still deemed of variable length by gcc, and hence the
whole expression doesn't have the intended effect.
[akpm@linux-foundation.org: make arch/sparc/include/asm/vio.h compile]
[akpm@linux-foundation.org: more nonsensical assertions in tpm.c..]
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Cc: Mimi Zohar <zohar@us.ibm.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is an alternate solution to the EEM 'sentinel' CRC valiation issue.
CDC EEM allows using a 'sentinel' ethernet frame CRC of 0xdeadbeef in
place of a real CRC. The 'sentinel' value is transmitted in big-endian
order whereas the normal CRC is little-endian. This patch handles both
cases appropriately.
Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Virtio IDs are spread all over the tree which makes assigning new IDs
bothersome. Putting them together should make the process less error-prone.
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This API change means that virtio_net can tell how much capacity
remains for buffers. It's necessarily fuzzy, since
VIRTIO_RING_F_INDIRECT_DESC means we can fit any number of descriptors
in one, *if* we can kmalloc.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Dinesh Subhraveti <dineshs@us.ibm.com>
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Add FEC support for MX25 processor.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The iSCSI ring should be shutdown during uio_close instead of uio_open
for proper operations. This fixes the problem of the ring getting
stuck intermittently.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch add the driver for the SoC CAN controller in Atmel's
AT91SAM9263.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Usbnet framework assumes USB hardware doesn't handle zero length
packets, but SMSC LAN95xx requires these to be sent for correct
operation.
This patch fixes an easily reproducible tx lockup when sending a frame
that results in exactly 512 bytes in a USB transmission (e.g. a UDP
frame with 458 data bytes, due to IP headers and our USB headers). It
adds an extra flag to usbnet for the hardware driver to indicate that
it can handle and requires the zero length packets.
This patch should not affect other usbnet users, please also consider
for -stable.
Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 2b980dbd77d229eb60588802162c9659726b11f4
("lsm: Add hooks to the TUN driver") tun_set_iff doesn't
return -EINVAL though neither IFF_TUN nor IFF_TAP is set.
Signed-off-by: Kusanagi Kouichi <slash@ma.neweb.ne.jp>
Reviewed-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This was introduced by b93d58 "8139*: convert printk() to pr_<foo>()":
[ 2256252443 ] <6>8139cp: 10/100 PCI Ethernet driver v1.3 (Mar 22, 2004)
The "version" string is printed using pr_info(), so it doesn't need to
include a loglevel.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
CC: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The SKY2_HW_RAM_BUFFER bit in hw->flags was checked in sky2_mac_init(),
before being set later in sky2_up().
Setting SKY2_HW_RAM_BUFFER in sky2_init() where other hw->flags are set
should avoid this problem recurring.
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set wol_ctrl_data to value 0, to remove compiling warning.
Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The definitions of vnet_ops and ehea_netdev_ops have initializations of a
local function and eth_change_mtu for their respective ndo_change_mtu
fields. This change uses only the local function.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r@
identifier I, s, fld;
position p0,p;
expression E;
@@
struct I s =@p0 { ... .fld@p = E, ...};
@s@
identifier I, s, r.fld;
position r.p0,p;
expression E;
@@
struct I s =@p0 { ... .fld@p = E, ...};
@script:python@
p0 << r.p0;
fld << r.fld;
ps << s.p;
pr << r.p;
@@
if int(ps[0].line)!=int(pr[0].line) or int(ps[0].column)!=int(pr[0].column):
cocci.print_main(fld,p0)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kaweth_control() never frees the buffer that it allocates for the USB
control message. Test case:
while :; do ifconfig eth2 down ; ifconfig eth2 up ; done
This is a tiny buffer so it is a slow leak. If you want to speed up the
process, you can change the allocation size to e.g. 16384 bytes, and it
will consume several megabytes within a few minutes.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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You can't ping the board or connect to it unless you send
any packet out from board.
Tested-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: John Linn <john.linn@xilinx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After successful firmware init, return instead of
falling to error path (leading to detach) after
resuming to D0 state. This was broken in recent
firmware reset rehaul.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix minor bug in netdev tx timeout handling which could
always lead to firmware reset instead of pci function reset.
netxen_nic_reset_context() requires __NX_RESETTING bit
cleared.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'if (i < NR_INFO)' will only true if we breaks from 'for (i = 0; i < NR_INFO; i++)'
So removing useless 'if (i < NR_INFO)'
This also fixed following compilation warning :
CC [M] drivers/net/pcmcia/pcnet_cs.o
drivers/net/pcmcia/pcnet_cs.c: In function ‘get_hwinfo’:
drivers/net/pcmcia/pcnet_cs.c:321: warning: ‘base’ may be used uninitialized in this function
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch resolves a warning seen when doing namespace checking via
"make namespacecheck"
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Shorten ixgbe_configure_rx() and lessen indent depth.
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the user to set Tx specific itr values. This only makes sense
when there are separate vectors for Tx and Rx. When the queues are
doubled up RxTx on the vectors, we still only use the rx itr value.
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We weren't stoping the sfp_timer after the device was brought down.
This patch properly cleans up.
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for one channel CAN/USB interace CPC-USB/ARM7 from
EMS Dr. Thomas Wuensche (http://www.ems-wuensche.com).
Signed-off-by: Sebastian Haas <haas@ems-wuensche.com>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With the removal of BUS_ID_SIZE, cpmac was not fully
converted to use MII_BUS_ID_SIZE as it ought to. This
patch fixes the following cpmac build failure:
CC drivers/net/cpmac.o
drivers/net/cpmac.c: In function 'cpmac_start_xmit':
drivers/net/cpmac.c:563: warning: comparison of distinct pointer types lacks a cast
drivers/net/cpmac.c: In function 'cpmac_probe':
drivers/net/cpmac.c:1112: error: 'BUS_ID_SIZE' undeclared (first use in this function)
drivers/net/cpmac.c:1112: error: (Each undeclared identifier is reported only once
drivers/net/cpmac.c:1112: error: for each function it appears in.)
Reported-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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trivial: fix typo "for for" in multiple files
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
Driver-Core: extend devnode callbacks to provide permissions
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The network layer now has a destructor we can hook to clean up the slip
devices array. That needs us to initiate unregister events in the right
places which with the current tty layer we can do, and with network
refcounting is safe to do.
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This allows subsytems to provide devtmpfs with non-default permissions
for the device node. Instead of the default mode of 0600, null, zero,
random, urandom, full, tty, ptmx now have a mode of 0666, which allows
non-privileged processes to access standard device nodes in case no
other userspace process applies the expected permissions.
This also fixes a wrong assignment in pktcdvd and a checkpatch.pl complain.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (66 commits)
be2net: fix some cmds to use mccq instead of mbox
atl1e: fix 2.6.31-git4 -- ATL1E 0000:03:00.0: DMA-API: device driver frees DMA
pkt_sched: Fix qstats.qlen updating in dump_stats
ipv6: Log the affected address when DAD failure occurs
wl12xx: Fix print_mac() conversion.
af_iucv: fix race when queueing skbs on the backlog queue
af_iucv: do not call iucv_sock_kill() twice
af_iucv: handle non-accepted sockets after resuming from suspend
af_iucv: fix race in __iucv_sock_wait()
iucv: use correct output register in iucv_query_maxconn()
iucv: fix iucv_buffer_cpumask check when calling IUCV functions
iucv: suspend/resume error msg for left over pathes
wl12xx: switch to %pM to print the mac address
b44: the poll handler b44_poll must not enable IRQ unconditionally
ipv6: Ignore route option with ROUTER_PREF_INVALID
bonding: make ab_arp select active slaves as other modes
cfg80211: fix SME connect
rc80211_minstrel: fix contention window calculation
ssb/sdio: fix printk format warnings
p54usb: add Zcomax XG-705A usbid
...
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Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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All cmds issued to BE after the creation of mccq must now use the mcc-q
(and not mbox) to avoid a hw issue that results in mbox poll timeout.
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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use the wrong API when free dma. So when map dma use a flag to
demostrate whether it is 'pci_map_single' or 'pci_map_page'. When free
the dma, check the flags to select the right APIs('pci_unmap_single'
or 'pci_unmap_page').
set the flags type to u16 instead of unsigned long on David's comments.
Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (53 commits)
m68knommu: Make PAGE_SIZE available to assembly files.
m68knommu: fix ColdFire definition of CLOCK_TICK_RATE
m68knommu: set multi-function pins for ethernet when enabled
m68knommu: remove special interrupt handling code for ne2k support
m68knommu: relax IO_SPACE_LIMIT setting
m68knommu: remove ColdFire direct interrupt register access
m68knommu: create a speciailized ColdFire 5272 interrupt controller
m68knommu: add support for second interrupt controller of ColdFire 5249
m68knommu: clean up old ColdFire timer irq setup
m68knommu: map ColdFire interrupts to correct masking bits
m68knommu: clean up ColdFire 532x CPU timer setup
m68knommu: simplify ColdFire "timers" clock initialization
m68knommu: support code to mask external interrupts on old ColdFire CPU's
m68knommu: merge old ColdFire interrupt controller masking macros
m68knommu: remove duplicate ColdFire mcf_autovector() code
m68knommu: move ColdFire INTC definitions to new include file
m68knommu: mask off all interrupts in ColdFire intc-simr controller
m68knommu: remove timer device interrupt setup for ColdFire 532x
m68knommu: remove interrupt masking from ColdFire pit timer
m68knommu: remove unecessary interrupt level setting in ColdFire 520x setup
...
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/core/netpoll.c::netpoll_send_skb() calls the poll handler when
it is available. As netconsole can be used from almost any context,
IRQ must not be enabled blindly in the NAPI handler of the driver
which supports netpoll.
Call trace:
netpoll_send_skb()
{
local_irq_save(flags)
-> netpoll_poll()
-> poll_napi()
-> poll_one_napi()
-> napi->poll()
-> b44_poll()
local_irq_restore(flags)
}
Signed-off-by: Dongdong Deng <dongdong.deng@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When I was implementing primary_passive option (formely named primary_lazy) I've
run into troubles with ab_arp. This is the only mode which is not using
bond_select_active_slave() function to select active slave and instead it
selects it itself. This seems to be not the right behaviour and it would be
better to do it in bond_select_active_slave() for all cases. This patch makes
this happen. Please review.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
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This patch adds a new usbid for Zcomax XG-705A to the device table.
Cc: stable@kernel.org
Reported-by: Jari Jaakola <jari.jaakola@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev
debugfs: Modify default debugfs directory for debugging pktcdvd.
debugfs: Modified default dir of debugfs for debugging UHCI.
debugfs: Change debugfs directory of IWMC3200
debugfs: Change debuhgfs directory of trace-events-sample.h
debugfs: Fix mount directory of debugfs by default in events.txt
hpilo: add poll f_op
hpilo: add interrupt handler
hpilo: staging for interrupt handling
driver core: platform_device_add_data(): use kmemdup()
Driver core: Add support for compatibility classes
uio: add generic driver for PCI 2.3 devices
driver-core: move dma-coherent.c from kernel to driver/base
mem_class: fix bug
mem_class: use minor as index instead of searching the array
driver model: constify attribute groups
UIO: remove 'default n' from Kconfig
Driver core: Add accessor for device platform data
Driver core: move dev_get/set_drvdata to drivers/base/dd.c
Driver core: add new device to bus's list before probing
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catas_reset() uses pointer to mlx4_priv, but mlx4_priv is not valid
after call mlx4_restart_one().
Signed-off-by: Vitaliy Gusev <vgusev@openvz.org>
Acked-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that the ColdFire 5272 has full interrupt controller functionality
we can remove all the interrupt masking and acking code from the FEC
ethernet driver.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Change default debugfs directory that mount for debugging
IWMC3200(Intel Wireless Multicomm 3200 WiFi driver).
As we all know, We need change default directory for consistency of
debugfs by Greg.K.H
Signed-off-by: GeunSik Lim <geunsik.lim@samsung.com>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Due to problems at cam.org, my nico@cam.org email address is no longer
valid. FRom now on, nico@fluxnic.net should be used instead.
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Sorry Mike, I sent you off the wrong way. The following is simpler and the
second port is diffrent enough in setup (because of NAPI), that the
following is simpler.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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