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There is a lot of code duplcited between iscsi_tcp
and the upcoming iscsi_iser driver. This patch puts
the duplicated code in a lib. There is more code
to move around but this takes care of the
basics. For iscsi_offload if they use the lib we will
probably move some things around. For example in the
queuecommand we will not assume that the LLD wants
to do queue_work, but it is better to handle that
later when we know for sure what iscsi_offload looks
like (we could probably do this for iscsi_iser though to).
Ideally I would like to get the iscsi_transports modules
to a place where all they really have to do is put data
on the wire, but how to do that will hopefully be more clear
when we see other modules like iscsi_offload. Or maybe
iscsi_offload will not use the lib and it will just be
iscsi_iser and iscsi_tcp and maybe the iscsi_tcp_tgt if that
is allowed in mainline.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The current iscsi_tcp eh is not nicely setup for dm-multipath
and performs some extra task management functions when they
are not needed.
The attached patch:
- Fixes the TMF issues. If a session is rebuilt
then we do not send aborts.
- Fixes the problem where if the host reset fired, we would
return SUCCESS even though we had not really done anything
yet. This ends up causing problem with scsi_error.c's TUR.
- If someone has turned on the userspace nop daemon code to try
and detect network problems before the scsi command timeout
we can now drop and clean up the session before the scsi command
timesout and fires the eh speeding up the time it takes for a
command to go from one patch to another. For network problems
we fail the command with DID_BUS_BUSY so if failfast is set
scsi_decide_disposition fails the command up to dm for it to
try on another path.
- And we had to add some basic iscsi session block code. Previously
if we were trying to repair a session we would retrun a MLQUEUE code
in the queuecommand. This worked but it was not the most efficient
or pretty thing to do since it would take a while to relogin
to the target. For iscsi_tcp/open-iscsi a lot of the iscsi error handler
is in userspace the block code is pretty bare. We will be
adding to that for qla4xxx.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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For iscsi boot when going from initramfs to the real root we
need to stop the userpsace iscsi daemon. To later restart it
iscsid needs to be able to rebuild itself and part of that
process is matching a session running the kernel with the
iscsid representation. To do this the attached patch
adds several required iscsi values. If the LLD does not provide
them becuase, login is done in userspace, then the transport
class and userspace set ths up for the LLD.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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from hare@suse.de and michaelc@cs.wisc.edu
hw iscsi like qla4xxx does not allocate a host per session and
for userspace it is difficult to restart iscsid using the
"iscsi handles" for the session and connection, so this
patch just has the class or userspace allocate the id for
the session and connection.
Note: this breaks userspace and requires users to upgrade to the newest
open-iscsi tools. Sorry about his but open-iscsi is still too new to
say we have a stable user-kernel api and we were not good nough
designers to know that other hw iscsi drivers and iscsid itself would
need such changes. Actually we sorta did but at the time we did not
have the HW available to us so we could only guess.
Luckily, the only tools hooking into the class are the open-iscsi ones
or other tools like iscsitart hook into the open-iscsi engine from
userspace or prgroams like anaconda call our tools so they are not affected.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Some devices report a peripheral qualifier of 3 for LUN 0; with the original
code, we would still try a REPORT_LUNS scan (if SCSI level is >= 3 or if we
have the BLIST_REPORTLUNS2 passed in), but NOT any sequential scan.
Also, the device at LUN 0 (which is not connected according to the PQ) is not
registered with the OS.
Unfortunately, SANs exist that are SCSI-2 and do NOT support REPORT_LUNS, but
report a unknown device with PQ 3 on LUN 0. We still need to scan them, and
most probably we even need BLIST_SPARSELUN (and BLIST_LARGELUN). See the bug
reference for an infamous example.
This is patch 3/3:
3. Implement the blacklist flag BLIST_ATTACH_PQ3 that makes the scsi
scanning code register PQ3 devices and continues scanning; only sg
will attach thanks to scsi_bus_match().
Signed-off-by: Kurt Garloff <garloff@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Some devices report a peripheral qualifier of 3 for LUN 0; with the original
code, we would still try a REPORT_LUNS scan (if SCSI level is >= 3 or if we
have the BLIST_REPORTLUNS2 passed in), but NOT any sequential scan.
Also, the device at LUN 0 (which is not connected according to the PQ) is not
registered with the OS.
Unfortunately, SANs exist that are SCSI-2 and do NOT support REPORT_LUNS, but
report a unknown device with PQ 3 on LUN 0. We still need to scan them, and
most probably we even need BLIST_SPARSELUN (and BLIST_LARGELUN). See the bug
reference for an infamous example.
This patch 2/3:
If a PQ3 device is found, log a message that describes the device
(INQUIRY DATA and C:B:T:U tuple) and make a suggestion for blacklisting
it.
Signed-off-by: Kurt Garloff <garloff@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Some devices report a peripheral qualifier of 3 for LUN 0; with the original
code, we would still try a REPORT_LUNS scan (if SCSI level is >= 3 or if we
have the BLIST_REPORTLUNS2 passed in), but NOT any sequential scan.
Also, the device at LUN 0 (which is not connected according to the PQ) is not
registered with the OS.
Unfortunately, SANs exist that are SCSI-2 and do NOT support REPORT_LUNS, but
report a unknown device with PQ 3 on LUN 0. We still need to scan them, and
most probably we even need BLIST_SPARSELUN (and BLIST_LARGELUN). See the bug
reference for an infamous example.
This is patch 1/3:
If we end up in sequential scan, at least try LUN 1 for devices
that reported a PQ of 3 for LUN 0.
Also return blacklist flags, even for PQ3 devices.
Signed-off-by: Kurt Garloff <garloff@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
IB/mthca: Fix max_srq_sge returned by ib_query_device for Tavor devices
IB/cache: Use correct pointer to calculate size
IPoIB: Use spin_lock_irq() instead of spin_lock_irqsave()
IPoIB: Close race in ipoib_flush_paths()
IB/mthca: Disable tuning PCI read burst size
IPoIB: Make send and receive queue sizes tunable
IPoIB: Wait for join to finish before freeing mcast struct
IB: simplify static rate encoding
IPoIB: Consolidate private neighbour data handling
IB/srp: Fix memory leak in options parsing
IB/mthca: Always build debugging code unless CONFIG_EMBEDDED=y
IPoIB: Always build debugging code unless CONFIG_EMBEDDED=y
IB/mad: fix oops in cancel_mads
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[PATCH] sata_mv: properly print HC registers
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
[PATCH] Use pci_set_consistent_dma_mask in ixgb driver
[PATCH] sky2: bad memory reference on dual port cards
[PATCH] mv643xx_eth: Fix tx_timeout to only conditionally wake tx queue
[PATCH] mv643xx_eth: Always free completed tx descs on tx interrupt
[PATCH] net drivers: fix section attributes for gcc
[PATCH] remove drivers/net/hydra.h
[PATCH] drivers/net/via-rhine.c: make a function static
[netdrvr b44] trim trailing whitespace
[PATCH] b44: increase version to 1.00
[PATCH] b44: disable default tx pause
[PATCH] via-rhine: execute bounce buffers code on Rhine-I only
[PATCH] network: axnet_cs.c: add missing 'PRIV' in ei_rx_overrun
[PATCH] dlink pci cards using wrong driver
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The ixgb driver is using pci_alloc_consistent, thus is should also use
pci_set_consistent_dma_mask. This allows the driver to work on SGI
systems.
In case of an error during probing it should also disable the device again.
Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Sky2 driver will oops referencing bad memory if used on
a dual port card. The problem is accessing past end of
MIB counter space.
Applies for both 2.6.17 and 2.6.16 (with fuzz)
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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After resetting the hardware on a tx_timeout, call netif_wake_queue()
only if we have free tx descriptors.
Also, attempt to recover if mv643xx_eth_start_xmit() is called when
there are fewer free tx descriptors than expected.
The BUG_ON() call we are replacing was hit on a tx_timeout that
called netif_wake_queue(), indirectly via netif_device_attach(),
even though we did not have enough free tx descriptors.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix the tx interrupt handler to free completed tx descriptors even
when NAPI is enabled. Otherwise, the tx queue would fill up resulting
in poor performance and "NETDEV WATCHDOG: <iface>: transmit timed out"
messages.
Signed-off-by: Brent Cook <bcook@bpointsys.com>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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If CONFIG_HOTPLUG=n, gcc doesn't like some __initdata to be const (rodata)
and other __initdata not const, so make the non-const __initdata const.
gcc errors:
drivers/net/bnx2.c:66: error: version causes a section type conflict
drivers/net/starfire.c:338: error: version causes a section type conflict
drivers/net/typhoon.c:137: error: version causes a section type conflict
drivers/net/natsemi.c:241: error: version causes a section type conflict
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Remove drivers/net/hydra.h which is both unused and covered by a 4 clause
BSD licence (not by the UCB).
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-By: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Roger Luethi <rl@hellgate.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Currently it crashes when trying to dump the registers. This is an obvious
one-liner fix I suppose.
Signed-off-by: Dan Aloni <da-x@monatomic.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Disable default tx pause frame support.
The b44 controller has a bug that generates excessive tx pause
frames.
Signed-off-by: Gary Zambrano <zambrano@broadcom.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Patch suggested by Yang Wu (pin xue <pinxue@gmail.com>).
Signed-off-by: Roger Luethi <rl@hellgate.ch>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: komurojun-mbn@nifty.com
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch fixes the problem of some Dlink cards picking the wrong
driver. It looks like these cards use Yukon 1 chipset, not Yukon 2.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The driver allocates SRQ WQEs size with a power of 2 size both for
Tavor and for memfree. For Tavor, however, the hardware only requires
the WQE size to be a multiple of 16, not a power of 2, and the max
number of scatter-gather allowed is reported accordingly by the
firmware (and this is the value currently returned by
ib_query_device() and ibv_query_device()).
If the max number of scatter/gather entries reported by the FW is used
when creating an SRQ, the creation will fail for Tavor, since the
required WQE size will be increased to the next power of 2, which
turns out to be larger than the device permitted max WQE size (which
is not a power of 2).
This patch reduces the reported SRQ max wqe size so that it can be used
successfully in creating an SRQ on Tavor HCAs.
Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[ISDN]: Static overruns in drivers/isdn/i4l/isdn_ppp.c
[WAN]: Remove broken and unmaintained Sangoma drivers.
[BRIDGE] ebtables: fix allocation in net/bridge/netfilter/ebtables.c
[DCCP]: Fix leak in net/dccp/ipv4.c
[BRIDGE]: receive link-local on disabled ports.
[IPv6] reassembly: Always compute hash under the fragment lock.
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Unregister the platform device again if the probe was unsuccessful.
This restores the behaviour of not loading the driver on probe() failure.
Signed-off-by: Rene Herman <rene.herman@keyaccess.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Continue with the next one on error from device registration.
This would seem the correct thing to do, even if it's not the probe()
error that we're getting.
Signed-off-by: Rene Herman <rene.herman@keyaccess.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: PCM Midlevel
This patch makes the needlessly global snd_pcm_format_name() static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: AC97 Codec
Added the missing entry for VIA VT1618 codec.
No particular patch is needed, though.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: HDA Codec driver
Add the model entry to support of ASUS U5A with AD1986A codec.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: au88x0 driver
since idx is used as an index for vortex_pcm_prettyname[VORTEX_PCM_LAST],
it should not be equal to VORTEX_PCM_LAST. This fixes coverity bug id #572
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: au88x0 driver
Removed all use of __devinit/__devexit and init.h from headers. Any
attributes given in the prototype but not in the function definition have
been moved to the definition.
An exception is vortex_eq_free: I removed the __devexit attribute because
vortex_eq_free is called from vortex_core_shutdown, and
vortex_core_shutdown may be called from __devinit snd_vortex_create.
Compile tested with allyesconfig and allmodconfig.
Signed-off-by: Dale Sedivec <dale@codefu.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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id 0x0707
Modules: HDA Codec driver
This patch adds the entry for the 5-stack pin-config for the STAC
chip on the Intel D945Pvs board with subdevice id 0x0707.
With this patch against 1.0.11rc4 in the linux kernel 2.6.17-rc1, I'm
able to successfully output over the optical port and analog ports.
Signed-off-by: Ashley Clark <aclark@ghoti.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: HDA Codec driver
This adds the support for HP Compaq Presario B2800 laptop with AD1986A codec.
Signed-off-by: Coywolf Qi Hunt <qiyong@freeforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: EMU10K1/EMU10K2 driver
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
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Modules: VIA82xx driver
Added a dxs_support entry for ECS K8T890-A board.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: HDA Codec driver
Added the SSID of another HP laptop for the model 'hp' with AD1981HD.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: PCM Midlevel,ALSA<-OSS emulation
Fix Oops of PCM OSS emulation occuring when multiple playback is used.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Modules: ALSA<-OSS emulation
Fix Oops due to a typo in snd_pcm_oss.c.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Coverity found some static overruns in isdn_ppp.c (bug id #519) At several
places slot is compared <0 and > ISDN_MAX_CHANNELS and then used to index
ippp_table[ISDN_MAX_CHANNELS] A value of slot = ISDN_MAX_CHANNELS would run
over the end of the array.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The in-kernel Sangoma drivers are both not compiling and marked as BROKEN
since at least kernel 2.6.0.
Sangoma offers out-of-tree drivers, and David Mandelstam told me Sangoma
does no longer maintain the in-kernel drivers and prefers to provide them
as a separate installation package.
This patch therefore removes these drivers.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allocate an array of 'struct ebt_chainstack *', the current code allocates
array of 'struct ebt_chainstack'.
akpm: converted to use the
foo = alloc(sizeof(*foo))
form. Which would have prevented this from happening in the first place.
akpm: also removed unneeded typecast.
akpm: what on earth is this code doing anyway? cpu_possible_map can be
sparse..
Signed-off-by: Jayachandran C. <c.jayachandran@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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we dont free req if we cant parse the options.
This fixes coverity bug id #1046
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change allows link local packets (like 802.3ad and Spanning Tree
Protocol) to be processed even when the bridge is not using the port.
It fixes the chicken-egg problem for bridging a bonded device, and
may also fix problems with spanning tree failover.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This closes a race where an ipq6hashfn() caller could get a hash value
and race with the cycling of the random seed. By the time they got to
the read_lock they'd have a stale hash value and might not find
previous fragments of their datagram.
This matches the previous patch to IPv4.
Signed-off-by: Zach Brown <zach.brown@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit e56d090310d7625ecb43a1eeebd479f04affb48b
[PATCH] RCU signal handling
made this BUG_ON() unsafe. This code runs under ->siglock,
while switch_exec_pids() takes tasklist_lock.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
kconfig: fix typo in change count initialization
kconfig: recenter menuconfig
kconfig: revert conf behaviour change
kconfig: fix default value for choice input
kbuild: fix NULL dereference in scripts/mod/modpost.c
kbuild: fix mode of checkstack.pl and other files.
kbuild: rebuild initramfs if content of initramfs changes
kbuild: properly pass options to hostcc when doing make O=..
kbuild: modules_install for external modules must not remove existing modules
kbuild: fix make dir/
ver_linux: don't print reiser4progs version if none found
kbuild: mips: fix sed regexp to generate asm-offset.h
kbuild: fix building single targets with make O=.. single-target
kbuild: use relative path to -I
kbuild: fix unneeded rebuilds in drivers/net/chelsio after moving source tree
kbuild: fix unneeded rebuilds in drivers/media/video after moving source tree
kbuild: fix garbled text in modules.txt
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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:
[IA64] Prefetch mmap_sem in ia64_do_page_fault()
[IA64] Failure to resume after INIT in user space
[IA64] Pass more data to the MCA/INIT notify_die hooks
[IA64] always map VGA framebuffer UC, even if it supports WB
[IA64] fix bug in ia64 __mutex_fastpath_trylock
[IA64] for_each_possible_cpu: ia64
[IA64] update HP CSR space discovery via ACPI
[IA64] Wire up new syscalls {set,get}_robust_list
[IA64] 'msg' may be used uninitialized in xpc_initiate_allocate()
[IA64] Wire up new syscall sync_file_range()
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In vsyscall function do_vgettimeofday(), some functions are declared as
inlined, which is a hint for gcc to compile the function inlined but it
not forced. Sometimes compiler does not compile the function as
inlined, so here inline is replaced by __always_inline prefix.
It does not happen in gcc compiler actually, but it possibly happens.
Signed-off-by: bibo mao <bibo.mao@intel.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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