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linux-2.6-omap-h63xx.git
16 years agosched: unite unlikely pairs in rt_policy() and schedule_debug()
Roel Kluin [Tue, 13 May 2008 21:44:11 +0000 (23:44 +0200)]
sched: unite unlikely pairs in rt_policy() and schedule_debug()

Removes obfuscation and may improve assembly.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
16 years agorevert ("sched: fair: weight calculations")
Ingo Molnar [Thu, 29 May 2008 09:23:17 +0000 (11:23 +0200)]
revert ("sched: fair: weight calculations")

Yanmin Zhang reported:

Comparing with kernel 2.6.25, sysbench+mysql(oltp, readonly) has many
regressions with 2.6.26-rc1:

 1) 8-core stoakley: 28%;
 2) 16-core tigerton: 20%;
 3) Itanium Montvale: 50%.

Bisect located this patch:

8f1bc385cfbab474db6c27b5af1e439614f3025c is first bad commit
| commit 8f1bc385cfbab474db6c27b5af1e439614f3025c
| Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
| Date:   Sat Apr 19 19:45:00 2008 +0200
|
|     sched: fair: weight calculations

Revert it to the 2.6.25 state.

Bisected-by: Yanmin Zhang <yanmin_zhang@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
16 years agoMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireles...
David S. Miller [Thu, 29 May 2008 08:49:04 +0000 (01:49 -0700)]
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6

16 years agobluetooth: fix locking bug in the rfcomm socket cleanup handling
Arjan van de Ven [Thu, 29 May 2008 08:32:47 +0000 (01:32 -0700)]
bluetooth: fix locking bug in the rfcomm socket cleanup handling

in net/bluetooth/rfcomm/sock.c, rfcomm_sk_state_change() does the
following operation:

        if (parent && sock_flag(sk, SOCK_ZAPPED)) {
                /* We have to drop DLC lock here, otherwise
                 * rfcomm_sock_destruct() will dead lock. */
                rfcomm_dlc_unlock(d);
                rfcomm_sock_kill(sk);
                rfcomm_dlc_lock(d);
        }
}

which is fine, since rfcomm_sock_kill() will call sk_free() which will call
rfcomm_sock_destruct() which takes the rfcomm_dlc_lock()... so far so good.

HOWEVER, this assumes that the rfcomm_sk_state_change() function always gets
called with the rfcomm_dlc_lock() taken. This is the case for all but one
case, and in that case where we don't have the lock, we do a double unlock
followed by an attempt to take the lock, which due to underflow isn't
going anywhere fast.

This patch fixes this by moving the stragling case inside the lock, like
the other usages of the same call are doing in this code.

This was found with the help of the www.kerneloops.org project, where this
deadlock was observed 51 times at this point in time:
http://www.kerneloops.org/search.php?search=rfcomm_sock_destruct

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
16 years agomac80211: fix alignment issue with compare_ether_addr()
Senthil Balasubramanian [Wed, 28 May 2008 17:45:32 +0000 (23:15 +0530)]
mac80211: fix alignment issue with compare_ether_addr()

This addresses an alignment issue with compare_ether_addr().
The addresses passed to compare_ether_addr should be two bytes aligned.
It may function properly in x86 platform. However may not work properly
on IA-64 or ARM processor.

This also fixes a typo in mlme.c where the sk_buff struct name is incorect.
Though sizeof() works for any incorrect structure pointer name as its just
a pointer length that we want, lets just fix it.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agomac80211: Fix for NULL pointer dereference in sta_info_get()
Senthil Balasubramanian [Wed, 28 May 2008 14:38:12 +0000 (20:08 +0530)]
mac80211: Fix for NULL pointer dereference in sta_info_get()

This addresses a NULL pointer dereference in sta_info_get().
TID and sta_info are extracted in ADDBA Timer expiry function
through the timer handler's argument.

The problem is extracging the TID (which was stored in
timer_to_tid[] array of type "u8") through "int *" typecast which
may also yield unwanted bytes for the MSB of TID that results
in incorrect sta_info and ieee80211_local pointers.

ieee80211_local pointer is NULL as illustrated below, it crashes in
sta_info_get(). The problem started when extracting ieee80211_local
pointer out of sta_info iteself and eventually crashed in
stat_info_get().

The proper way to fix is to change the data type of TID to u8
instead of u16. However changing all the occurences requires
some prototype changes as well. We should fix this in upcoming
patches.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: Luis Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agomac80211: fix a typo in ieee80211_handle_filtered_frame comment
Yi Zhu [Tue, 27 May 2008 14:50:50 +0000 (17:50 +0300)]
mac80211: fix a typo in ieee80211_handle_filtered_frame comment

fix a typo in ieee80211_handle_filtered_frame comment

Signed-off-by: Yi Zhu <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agorndis_wlan: add missing range check for power_output modparam
Jussi Kivilinna [Tue, 27 May 2008 08:15:08 +0000 (11:15 +0300)]
rndis_wlan: add missing range check for power_output modparam

Range check for power_output were missing.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agoiwlwifi: fix rate scale TLC column selection bug
Guy Cohen [Tue, 27 May 2008 03:29:35 +0000 (11:29 +0800)]
iwlwifi: fix rate scale TLC column selection bug

This patch fixes a case that a wrong maximal rate is selected when
searching for better configurations.

Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agoiwlwifi: fix exit from stay_in_table state
Guy Cohen [Tue, 27 May 2008 03:29:34 +0000 (11:29 +0800)]
iwlwifi: fix exit from stay_in_table state

When exiting from stay in table state (e.g. timer expiration),
all the statistics are reset and the RS flow should not continue
but only after enough statistics are collected again.

Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agorndis_wlan: Make connections to TKIP PSK networks work
Scott Ashcroft [Mon, 26 May 2008 21:06:15 +0000 (00:06 +0300)]
rndis_wlan: Make connections to TKIP PSK networks work

This patch allows the rndis_wlan driver to connect to TKIP PSK
networks.  It uses the ASSOCIATION_INFORMATION RNDIS call to pull back
the IEs and sends them back to userspace using wireless events. Tested
on a few wireless networks I have access to. Based on the similar
code in ndiswrapper.

Signed-off-by: Scott Ashcroft <scott.ashcroft@talk21.com>
[edit: cleanups]
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agomac80211 : Fixes the status message for iwconfig
Abhijeet Kolekar [Fri, 23 May 2008 17:15:26 +0000 (10:15 -0700)]
mac80211 : Fixes the status message for iwconfig

iwconfig was showing incorrect status messages when disassociated.
Patch fixes this by always checking for association status in
ioctl calls for getting ap address.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agort2x00: Use atomic interface iteration in irq context
Ivo van Doorn [Fri, 23 May 2008 16:14:02 +0000 (18:14 +0200)]
rt2x00: Use atomic interface iteration in irq context

rt2x00lib_beacondone() is called from interrupt context,
this means we cannot use the mac80211 interface iterator
that uses the rtnl lock (since that uses a mutex which can sleep).
Instead we should use the atomic mac80211 interface iterator.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agort2x00: Reset antenna RSSI after switch
Ivo van Doorn [Fri, 23 May 2008 16:13:56 +0000 (18:13 +0200)]
rt2x00: Reset antenna RSSI after switch

When the antenna configuration has changed we should reset
the antenna RSSI value. Otherwise the value will be influenced
by the previous configuration quality which in turn will affect
the antenna diversity.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agort2x00: Don't count retries as failure
Ivo van Doorn [Fri, 23 May 2008 16:13:49 +0000 (18:13 +0200)]
rt2x00: Don't count retries as failure

Link quality estimation became quite low for all rt2x00 drivers
because the number of retries it took to send the frame were
counted as failure.
This does not correspond to the legacy driver link quality calculation,
by not counting it we will send somewhat more optimistic values to
mac80211.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agort2x00: Fix memleak in tx() path
Ivo van Doorn [Fri, 23 May 2008 16:13:41 +0000 (18:13 +0200)]
rt2x00: Fix memleak in tx() path

When the tx() handler runs while the device has disapeared,
we did return NETDEV_TX_OK but didn't free the skb.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agomac80211: reorder channel and freq reporting in wext scan report
Tomas Winkler [Thu, 22 May 2008 22:36:36 +0000 (01:36 +0300)]
mac80211: reorder channel and freq reporting in wext scan report

This patch switch order of channel and freq (SIOCGIWFREQ) reports
in scan results in order to overcome wpa_supplicant inability
to handle channel numbers in 5.2Ghz band.
Wext reporting channel number is ambiguous as channels 7-12 (802.11j)
exist on both bands.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agob43: Fix controller restart crash
Michael Buesch [Thu, 22 May 2008 14:32:16 +0000 (16:32 +0200)]
b43: Fix controller restart crash

This fixes a kernel crash on rmmod, in the case where the controller
was restarted before doing the rmmod.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agomac80211: fix ieee80211_rx_bss_put/get imbalance
Tomas Winkler [Wed, 21 May 2008 15:17:05 +0000 (18:17 +0300)]
mac80211: fix ieee80211_rx_bss_put/get imbalance

This patch fixes iee80211_rx_bss_put/get imbalance
introduced by 'mac80211: enable IBSS merging' patch.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agonet/mac80211: always true conditionals
Nicolas Kaiser [Tue, 20 May 2008 16:42:54 +0000 (18:42 +0200)]
net/mac80211: always true conditionals

Correct always true conditionals.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agob43: Upload both beacon templates on initial load
Michael Buesch [Tue, 20 May 2008 10:16:28 +0000 (12:16 +0200)]
b43: Upload both beacon templates on initial load

This updates the beacon template code to upload both templates,
if we never uploaded one before.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agortl8180: fix wrong parameter in grf5101_rf_set_channel
Andrea Merello [Sat, 10 May 2008 11:34:16 +0000 (13:34 +0200)]
rtl8180: fix wrong parameter in grf5101_rf_set_channel

The grf5101 RF code needs to invoke grf5101_write_phy_antenna every time the
channel is being switch.

This should be done passing the channel number to that function.
Incorrectly we were passing the same value that is written on the
channel RF register.
This may cause problems when operating on ch 14.

This patch fixes it.

Thanks to Alessandro Di Marco who found this issue!

Signed-off-by: Andrea Merello <andreamrl@tiscali.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agortl8180: fix wrong parameter in max2820_rf_set_channel
Andrea Merello [Sat, 10 May 2008 11:32:34 +0000 (13:32 +0200)]
rtl8180: fix wrong parameter in max2820_rf_set_channel

The max2820 RF code needs to invoke max2820_write_phy_antenna every time the
channel is being switch.

This should be done passing the channel number to that function.
Incorrectly we were passing the same value that is written on the
channel RF register.
This may cause problems when operating on ch 14.

This patch fixes it.

Thanks to Alessandro Di Marco who found this issue!

Signed-off-by: Andrea Merello <andreamrl@tiscali.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agortl8180: fix wrong parameter in sa2400_rf_set_channel
Andrea Merello [Sat, 10 May 2008 11:30:12 +0000 (13:30 +0200)]
rtl8180: fix wrong parameter in sa2400_rf_set_channel

The sa2400 RF code needs to invoke sa2400_write_phy_antenna every time the
channel is being switch.

This should be done passing the channel number to that function.
Incorrectly we were passing the same value that is written on the
channel RF register.
This may cause problems when operating on ch 14.

This patch fixes it.

Thanks to Alessandro Di Marco who found this issue!

Signed-off-by: Andrea Merello <andreamrl@tiscali.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agortl8180: avoid NULL dereference in max2820_rf_set_channel
John W. Linville [Tue, 27 May 2008 21:01:55 +0000 (17:01 -0400)]
rtl8180: avoid NULL dereference in max2820_rf_set_channel

The static function max2820_rf_set_channel is called with conf == NULL
within its compilation unit.  Originally this defaulted to b/g channel
1, but "cfg80211 API for channels/bitrates, mac80211 and driver
conversion" (commit 8318d78a44d49ac1edf2bdec7299de3617c4232e) mistakenly
dropped this check.  This patch minimally restores the expected
behavior.

Reported-by: Colin Lai <colin_sh@163.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
16 years agoMerge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
Linus Torvalds [Wed, 28 May 2008 19:58:12 +0000 (12:58 -0700)]
Merge branch 'release' of 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] Workaround for RSE issue

16 years agoInput: pxa27x_keypad - miscellaneous fixes
Antonio Ospite [Wed, 28 May 2008 18:35:52 +0000 (14:35 -0400)]
Input: pxa27x_keypad - miscellaneous fixes

1. Set input bits for direct keys codes
2. Set input bits for rotary encoder codes only if rotary
   encoder is enabled
3. Enable EV_REL only if rotary encoder is enabled and rel_codes
   are set up

Signed-off-by: Antonio Ospite <ao2@openezx.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
16 years agoFix FRV minimum slab/kmalloc alignment
David Howells [Wed, 28 May 2008 15:49:01 +0000 (16:49 +0100)]
Fix FRV minimum slab/kmalloc alignment

> +#define ARCH_KMALLOC_MINALIGN (sizeof(long) * 2)
> +#define ARCH_SLAB_MINALIGN (sizeof(long) * 2)

This doesn't work if SLAB is selected and slab debugging is enabled as
these are passed to the preprocessor, and the preprocessor doesn't
understand sizeof.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agoMerge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
Linus Torvalds [Wed, 28 May 2008 15:00:51 +0000 (08:00 -0700)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  cfq-iosched: fix RCU problem in cfq_cic_lookup()
  block: make blktrace use per-cpu buffers for message notes
  Added in elevator switch message to blktrace stream
  Added in MESSAGE notes for blktraces
  block: reorder cfq_queue to save space on 64bit builds
  block: Move the second call to get_request to the end of the loop
  splice: handle try_to_release_page() failure
  splice: fix sendfile() issue with relay

16 years agoFRV: Specify the minimum slab/kmalloc alignment
David Howells [Wed, 28 May 2008 14:36:34 +0000 (15:36 +0100)]
FRV: Specify the minimum slab/kmalloc alignment

Specify the minimum slab/kmalloc alignment to be 8 bytes.  This fixes a
crash when SLOB is selected as the memory allocator.  The FRV arch needs
this so that it can use the load- and store-double instructions without
faulting.  By default SLOB sets the minimum to be 4 bytes.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agoMN10300: Fix typo in header guard
Vegard Nossum [Wed, 28 May 2008 12:55:24 +0000 (13:55 +0100)]
MN10300: Fix typo in header guard

Fix a typo in the header guard of asm/ipc.h.

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agocfq-iosched: fix RCU problem in cfq_cic_lookup()
Jens Axboe [Wed, 28 May 2008 12:46:59 +0000 (14:46 +0200)]
cfq-iosched: fix RCU problem in cfq_cic_lookup()

cfq_cic_lookup() needs to properly protect ioc->ioc_data before
dereferencing it and also exclude updaters of ioc->ioc_data as well.

Also add a number of comments documenting why the existing RCU usage
is OK.

Thanks a lot to "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> for
review and comments!

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
16 years agoblock: make blktrace use per-cpu buffers for message notes
Jens Axboe [Wed, 28 May 2008 12:45:33 +0000 (14:45 +0200)]
block: make blktrace use per-cpu buffers for message notes

Currently it uses a single static char array, but that risks
being corrupted when multiple users issue message notes at the
same time. Make the buffers dynamically allocated when the trace
is setup and make them per-cpu instead.

The default max message size of 1k is also very large, the
interface is mainly for small text notes. So shrink it to 128 bytes.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
16 years agoAdded in elevator switch message to blktrace stream
Alan D. Brunelle [Tue, 27 May 2008 12:55:00 +0000 (14:55 +0200)]
Added in elevator switch message to blktrace stream

Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
16 years agoAdded in MESSAGE notes for blktraces
Alan D. Brunelle [Tue, 27 May 2008 12:54:41 +0000 (14:54 +0200)]
Added in MESSAGE notes for blktraces

Allows messages to be inserted into blktrace streams.

Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
16 years agoblock: reorder cfq_queue to save space on 64bit builds
Richard Kennedy [Fri, 23 May 2008 04:52:00 +0000 (06:52 +0200)]
block: reorder cfq_queue to save space on 64bit builds

saves 8 bytes of padding & increases objects/slab from 30 to 32 on my
AMD64 config

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
16 years agoblock: Move the second call to get_request to the end of the loop
Zhang, Yanmin [Thu, 22 May 2008 13:13:29 +0000 (15:13 +0200)]
block: Move the second call to get_request to the end of the loop

In function get_request_wait, the second call to get_request could be
moved to the end of the while loop, because if the first call to
get_request fails, the second call will fail without sleep.

Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
16 years agosplice: handle try_to_release_page() failure
Jens Axboe [Tue, 20 May 2008 19:27:41 +0000 (21:27 +0200)]
splice: handle try_to_release_page() failure

splice currently assumes that try_to_release_page() always suceeds,
but it can return failure. If it does, we cannot steal the page.

Acked-by: Mingming Cao <cmm@us.ibm.com
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
16 years agosplice: fix sendfile() issue with relay
Tom Zanussi [Fri, 9 May 2008 11:28:36 +0000 (13:28 +0200)]
splice: fix sendfile() issue with relay

Splice isn't always incrementing the ppos correctly, which broke
relay splice.

Signed-off-by: Tom Zanussi <zanussi@comcast.net>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
16 years agoInput: atkbd - mark keyboard as disabled when suspending/unloading
Dmitry Torokhov [Wed, 28 May 2008 04:54:01 +0000 (00:54 -0400)]
Input: atkbd - mark keyboard as disabled when suspending/unloading

This will shut off garbage that may come from KBD port during resume.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
16 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...
Linus Torvalds [Wed, 28 May 2008 01:47:59 +0000 (18:47 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  pciehp: add message about pciehp_slot_with_bus option
  pci hotplug core: add check of duplicate slot name
  pciehp: move msleep after power off
  pciehp: poll cmd completion if hotplug interrupt is disabled
  pciehp: fix slow probing
  pciehp: fix NULL dereference in interrupt handler
  shpchp: add message about shpchp_slot_with_bus option
  PCI: don't enable ASPM on devices with mixed PCIe/PCI functions

16 years agopciehp: add message about pciehp_slot_with_bus option
Kenji Kaneshige [Tue, 27 May 2008 10:07:33 +0000 (19:07 +0900)]
pciehp: add message about pciehp_slot_with_bus option

Some (broken?) platform assign the same slot name to multiple hotplug
slots. On such system, slot initialization would fail because of name
collision. The pciehp driver already have a "slot_with_bus" module
option which adds the bus number into the slot name. This patch adds
the message about this module option that will be displayed when slot
name collision is detected.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
16 years agopci hotplug core: add check of duplicate slot name
Kenji Kaneshige [Tue, 27 May 2008 10:07:01 +0000 (19:07 +0900)]
pci hotplug core: add check of duplicate slot name

Fix the following errors reported by Jan C. Nordholz in
http://bugzilla.kernel.org/show_bug.cgi?id=10751.

kobject_add_internal failed for 2 with -EEXIST, don't try to register things with the same name in the same directory.
Pid: 1, comm: swapper Tainted: G        W 2.6.26-rc3 #1
 [<c0266980>] kobject_add_internal+0x140/0x190
 [<c0266afd>] kobject_init_and_add+0x2d/0x40
 [<c027bc91>] pci_hp_register+0x81/0x2f0
 [<c027fd07>] pciehp_probe+0x1a7/0x470
 [<c01b3b84>] sysfs_add_one+0x44/0xa0
 [<c01b3c1f>] sysfs_addrm_start+0x3f/0xb0
 [<c01b497a>] sysfs_create_link+0x8a/0xf0
 [<c0279570>] pcie_port_probe_service+0x50/0x80
 [<c02e0545>] driver_sysfs_add+0x55/0x70
 [<c02e0662>] driver_probe_device+0x82/0x180
 [<c02e07cc>] __driver_attach+0x6c/0x70
 [<c02dfe0a>] bus_for_each_dev+0x3a/0x60
 [<c05db2d0>] pcied_init+0x0/0x80
 [<c02e04e6>] driver_attach+0x16/0x20
 [<c02e0760>] __driver_attach+0x0/0x70
 [<c02e0341>] bus_add_driver+0x1a1/0x220
 [<c05db2d0>] pcied_init+0x0/0x80
 [<c02e09cd>] driver_register+0x4d/0x120
 [<c05db050>] ibm_acpiphp_init+0x0/0x190
 [<c0125aab>] printk+0x1b/0x20
 [<c05db2d0>] pcied_init+0x0/0x80
 [<c05db2de>] pcied_init+0xe/0x80
 [<c05c751a>] kernel_init+0x10a/0x300
 [<c0120138>] schedule_tail+0x18/0x50
 [<c0103b9a>] ret_from_fork+0x6/0x1c
 [<c05c7410>] kernel_init+0x0/0x300
 [<c05c7410>] kernel_init+0x0/0x300
 [<c010485b>] kernel_thread_helper+0x7/0x1c
 =======================
pci_hotplug: Unable to register kobject '2'<3>pciehp: pci_hp_register failed with error -22

Slot with the same name can be registered multiple times if shpchp or
pciehp driver is loaded after acpiphp is loaded because ACPI based
hotplug driver and Native OS hotplug driver trying to handle the same
physical slot. In this case, current pci_hotplug core will call
kobject_init_and_add() muliple time with the same name. This is the
cause of this problem. To fix this problem, this patch adds the check
into pci_hp_register() to see if the slot with the same name.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
16 years agopciehp: move msleep after power off
Kenji Kaneshige [Tue, 27 May 2008 10:06:22 +0000 (19:06 +0900)]
pciehp: move msleep after power off

According to the PCI Express specification, we must wait for at least
1 second after turning power off before taking any action that relies
on power having been removed from the slot/adapter. For this, current
pciehp wait for 1 second after issuing the power off command in
hpc_power_off_slot() function. But waiting for 1 second in
hpc_power_off_slot() can make pciehp probing slow-down because pciehp
probe code calls hpc_power_off_slot() if the slot is not occupied just
in case. We don't need to wait for 1 second at the pciehp probe time
because there is no action on that empty slot. So move 1 second wait
from hpc_power_off_slot() to the caller of hpc_power_off_slot().

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
16 years agopciehp: poll cmd completion if hotplug interrupt is disabled
Kenji Kaneshige [Tue, 27 May 2008 10:05:26 +0000 (19:05 +0900)]
pciehp: poll cmd completion if hotplug interrupt is disabled

Fix improper long wait for command completion in pciehp probing.

As described in PCI Express specification, software notification is
not generated if the command that occurs as a result of a write to the
Slot Control register that disables software notification of command
completed events. Since pciehp driver doesn't take it into account,
such command is issued in pciehp probing, and it causes improper long
wait for command completion.

This patch changes the pciehp driver to take such command into
account.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
16 years agopciehp: fix slow probing
Kenji Kaneshige [Tue, 27 May 2008 10:04:30 +0000 (19:04 +0900)]
pciehp: fix slow probing

Fix the "pciehp probing slow" problem reported from Jan C. Nordholz in
http://bugzilla.kernel.org/show_bug.cgi?id=10751.

The command completed bit in Slot Status register applies only to
commands issued to control the attention indicator, power indicator,
power controller, or electromechanical interlock. However, writes to
other parts of the Slot Control register would end up writing to the
control fields. Hence, any write to Slot Control register is
considered as a command. However, if the controller doesn't support
any of attention indicator, power indicator, power controller and
electromechanical interlock, command completed bit would not set in
writing to Slot Control register. In this case, we should not wait for
command completed bit set, otherwise all commands would be considered
not completed in timeout seconds (1 sec.).

The cause of the problem is pciehp driver didn't take this situation
into account. This patch changes pciehp to take it into account. This
patch also add the check for "No Command Completed Support" bit in
Slot Capability register. If it is set, we should not wait for command
completed bit set as well.

This problem seems to be revealed by the commit
c27fb883dffe11aa4cb35ecea1fa1832ba45d4da that fixed the bug that
pciehp did not wait for command completed properly (pciehp just
ignored the command completion event).

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
16 years agopciehp: fix NULL dereference in interrupt handler
Kenji Kaneshige [Tue, 27 May 2008 10:03:16 +0000 (19:03 +0900)]
pciehp: fix NULL dereference in interrupt handler

Fix the following NULL dereference problem reported from Pierre Ossman
and Ingo Molnar.

pciehp: HPC vendor_id 8086 device_id 27d0 ss_vid 0 ss_did 0
pciehp: pciehp_find_slot: slot (device=0x0) not found
BUG: unable to handle kernel NULL pointer dereference at 0000000000000070
IP: [<ffffffff80494a8b>] pciehp_handle_presence_change+0x7e/0x113
PGD 0
Oops: 0000 [1]
CPU 0
Modules linked in:
Pid: 1, comm: swapper Tainted: G        W 2.6.26-rc3-sched-devel.git-00001-g2b99b26-dirty #170
RIP: 0010:[<ffffffff80494a8b>]  [<ffffffff80494a8b>] pciehp_handle_presence_change+0x7e/0x113
RSP: 0000:ffff81003f83fbb0  EFLAGS: 00010046
RAX: 0000000000000039 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000046
RBP: ffff81003f83fbd0 R08: 0000000000000001 R09: ffffffff80245103
R10: 0000000000000020 R11: 0000000000000000 R12: ffff81003ea53a30
R13: 0000000000000000 R14: 0000000000000011 R15: ffffffff80495926
FS:  0000000000000000(0000) GS:ffffffff80be7400(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000070 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 1, threadinfo ffff81003f83e000, task ffff81003f840000)
Stack:  0000000000000008 ffff81003f83fbf6 ffff81003ea53a30 0000000000000008
 ffff81003f83fc10 ffffffff80495ab4 0000000000000011 0000000000000002
 0000000000000202 0000000000000202 00000000fffffff4 ffff81003ea53a30
Call Trace:
 [<ffffffff80495ab4>] pcie_isr+0x18e/0x1bc
 [<ffffffff80260831>] request_irq+0x106/0x12f
 [<ffffffff80495fb6>] pcie_init+0x15e/0x6cc
 [<ffffffff804933a3>] pciehp_probe+0x64/0x541
 [<ffffffff8048f4e7>] pcie_port_probe_service+0x4c/0x76
 [<ffffffff8054af70>] driver_probe_device+0xd4/0x1f0
 [<ffffffff8054b108>] __driver_attach+0x7c/0x7e
 [<ffffffff8054b08c>] ? __driver_attach+0x0/0x7e
 [<ffffffff8054a4b6>] bus_for_each_dev+0x53/0x7d
 [<ffffffff8054ad3c>] driver_attach+0x1c/0x1e
 [<ffffffff8054a9c2>] bus_add_driver+0xdd/0x25b
 [<ffffffff80c09d3d>] ? pcied_init+0x0/0x8b
 [<ffffffff8054b288>] driver_register+0x5f/0x13e
 [<ffffffff80c09d3d>] ? pcied_init+0x0/0x8b
 [<ffffffff8048f441>] pcie_port_service_register+0x47/0x49
 [<ffffffff80c09d52>] pcied_init+0x15/0x8b
 [<ffffffff80bf3938>] kernel_init+0x75/0x243
 [<ffffffff808639d2>] ? _spin_unlock_irq+0x2b/0x3a
 [<ffffffff80228d1f>] ? finish_task_switch+0x57/0x9a
 [<ffffffff8020c258>] child_rip+0xa/0x12
 [<ffffffff8020bcec>] ? restore_args+0x0/0x30
 [<ffffffff80bf38c3>] ? kernel_init+0x0/0x243
 [<ffffffff8020c24e>] ? child_rip+0x0/0x12

Code: 83 80 00 00 00 48 39 f0 75 e1 0f b6 c9 48 c7 c2 00 0e 8d 80 48 c7 c6 8a 60 a6 80 48 c7 c7 10 db a8 80 31 c0 e8 3f 8d d9 ff 31 db <48> 8b 43 70 48 8d 75 ef 48 89 df ff 50 30 80 7d ef 00 74 37 48
RIP  [<ffffffff80494a8b>] pciehp_handle_presence_change+0x7e/0x113
 RSP <ffff81003f83fbb0>
CR2: 0000000000000070
Kernel panic - not syncing: Fatal exception

The situation under which it occurs is hw and timing related: it appears
to happen on a system that has PCI hotplug hardware but with no active
hotplug cards, and another interrupt in the same (shared) IRQ line
arrives too early, before the hotplug-slot entry has been set up - as
triggered by CONFIG_DEBUG_SHIRQ=y:

This patch contains the following two fixes.

(1) Clear all events bits in Slot Status register to prevent the pciehp
    driver from detecting the spurious events that would have been occur
    before pciehp loading.

(2) Add check whether slot initialization had been already done.

This is short term fix. We need more structural fixes to install
interrupt handler after slot initialization is done.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
16 years agoshpchp: add message about shpchp_slot_with_bus option
Kenji Kaneshige [Tue, 27 May 2008 10:08:23 +0000 (19:08 +0900)]
shpchp: add message about shpchp_slot_with_bus option

Some (broken?) platform assign the same slot name to multiple hotplug
slots. On such system, slot initialization would fail because of name
collision. The shpchp driver already have a "slot_with_bus" module
option which adds the bus number into the slot name. This patch adds
the message about this module option that will be displayed when slot
name collision is detected.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
16 years ago[POWERPC] pasemi: update pasemi_defconfig, enable electra_cf
Olof Johansson [Tue, 27 May 2008 21:11:13 +0000 (16:11 -0500)]
[POWERPC] pasemi: update pasemi_defconfig, enable electra_cf

Refresh pasemi_defconfig and enable ELECTRA_CF=y.

Signed-off-by: Olof Johansson <olof@lixom.net>
16 years agoelectra_cf: Add MODULE_DEVICE_TABLE()
Olof Johansson [Tue, 27 May 2008 21:07:26 +0000 (16:07 -0500)]
electra_cf: Add MODULE_DEVICE_TABLE()

Add a module device table to electra_cf so that modules can be
auto-probed/loaded.

Signed-off-by: Olof Johansson <olof@lixom.net>
16 years ago[IA64] Workaround for RSE issue
Tony Luck [Tue, 27 May 2008 20:23:16 +0000 (13:23 -0700)]
[IA64] Workaround for RSE issue

Problem: An application violating the architectural rules regarding
operation dependencies and having specific Register Stack Engine (RSE)
state at the time of the violation, may result in an illegal operation
fault and invalid RSE state.  Such faults may initiate a cascade of
repeated illegal operation faults within OS interruption handlers.
The specific behavior is OS dependent.

Implication: An application causing an illegal operation fault with
specific RSE state may result in a series of illegal operation faults
and an eventual OS stack overflow condition.

Workaround: OS interruption handlers that switch to kernel backing
store implement a check for invalid RSE state to avoid the series
of illegal operation faults.

The core of the workaround is the RSE_WORKAROUND code sequence
inserted into each invocation of the SAVE_MIN_WITH_COVER and
SAVE_MIN_WITH_COVER_R19 macros.  This sequence includes hard-coded
constants that depend on the number of stacked physical registers
being 96.  The rest of this patch consists of code to disable this
workaround should this not be the case (with the presumption that
if a future Itanium processor increases the number of registers, it
would also remove the need for this patch).

Move the start of the RBS up to a mod32 boundary to avoid some
corner cases.

The dispatch_illegal_op_fault code outgrew the spot it was
squatting in when built with this patch and CONFIG_VIRT_CPU_ACCOUNTING=y
Move it out to the end of the ivt.

Signed-off-by: Tony Luck <tony.luck@intel.com>
16 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Linus Torvalds [Tue, 27 May 2008 15:27:20 +0000 (08:27 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  avr32: Fix cpufreq oops when ondemand governor is default
  avr32: Update defconfigs
  avr32: export strnlen_user
  avr32: export copy_page

16 years agock804rom: fix driver_data in probe table.
David Woodhouse [Tue, 27 May 2008 05:31:43 +0000 (06:31 +0100)]
ck804rom: fix driver_data in probe table.

There's a reason why using C99 initialisers even in the supposedly
trivial structs is a good idea.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agodccp ccid-3: Fix "t_ipi explosion" bug
Gerrit Renker [Tue, 27 May 2008 13:33:54 +0000 (06:33 -0700)]
dccp ccid-3: Fix "t_ipi explosion" bug

The identification of this bug is thanks to Cheng Wei and Tomasz
Grobelny.

To avoid divide-by-zero, the implementation previously ignored RTTs
smaller than 4 microseconds when performing integer division RTT/4.

When the RTT reached a value less than 4 microseconds (as observed on
loopback), this prevented the Window Counter CCVal value from
advancing. As a result, the receiver stopped sending feedback. This in
turn caused non-ending expiries of the nofeedback timer at the sender,
so that the sending rate was progressively reduced until reaching the
minimum of one packet per 64 seconds.

The patch fixes this bug by handling integer division more
intelligently. Due to consistent use of dccp_sample_rtt(),
divide-by-zero-RTT is avoided.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
16 years agodccp: Fix to handle short sequence numbers packet correctly
Wei Yongjun [Tue, 27 May 2008 13:22:38 +0000 (06:22 -0700)]
dccp: Fix to handle short sequence numbers packet correctly

RFC4340 said:
  8.5.  Pseudocode
       ...
       If P.type is not Data, Ack, or DataAck and P.X == 0 (the packet
             has short sequence numbers), drop packet and return

But DCCP has some mistake to handle short sequence numbers packet, now
it drop packet only if P.type is Data, Ack, or DataAck and P.X == 0.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
16 years agoavr32: Fix cpufreq oops when ondemand governor is default
Haavard Skinnemoen [Tue, 27 May 2008 07:37:42 +0000 (09:37 +0200)]
avr32: Fix cpufreq oops when ondemand governor is default

Move the AP7 cpufreq init to late_initcall() so that we don't try to
bring up cpufreq until the governor is ready. x86 also uses
late_initcall() for this.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
16 years agoInput: apanel - remove duplicate include
Huang Weiyi [Tue, 27 May 2008 05:38:45 +0000 (01:38 -0400)]
Input: apanel - remove duplicate include

Remove duplicate include file <linux/module.h>.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
16 years agoInput: wm9713 - support five wire panels
Mark Brown [Tue, 27 May 2008 05:37:26 +0000 (01:37 -0400)]
Input: wm9713 - support five wire panels

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
16 years agoInput: wm97xx-core - fix race on PHY init
Mark Brown [Tue, 27 May 2008 05:37:19 +0000 (01:37 -0400)]
Input: wm97xx-core - fix race on PHY init

The chip phy_init() function must be called before the dig_enable() function
but dig_enable() is called when the device is opened and we only call
phy_init() after having reigstered the device, meaning the two can race.
Fix this by doing the phy_init() before we register the input device.

Thanks to Rodolfo Giometti <giometti@enneenne.com> for the report.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
16 years agoInput: wm97xx-core - fix driver name
Mark Brown [Tue, 27 May 2008 05:37:08 +0000 (01:37 -0400)]
Input: wm97xx-core - fix driver name

Fix driver name - thanks to Guennadi Liakhovetski <g.liakhovetski@gmx.de> for
reporting this.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
16 years agoInput: wm97xx-core - report a phys for WM97xx touchscreens
Mark Brown [Tue, 27 May 2008 05:36:47 +0000 (01:36 -0400)]
Input: wm97xx-core - report a phys for WM97xx touchscreens

phys is displayed in diagnostic output like that from evbug so ensure
that it is set to something.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
16 years agoInput: i8042 - make sure Dritek quirk is invoked at resume
Bruno Prémont [Tue, 27 May 2008 05:36:04 +0000 (01:36 -0400)]
Input: i8042 - make sure Dritek quirk is invoked at resume

Also do not fail i8042 entire initialization if enabling dritek extension
fails.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
16 years agoLinux 2.6.26-rc4 v2.6.26-rc4
Linus Torvalds [Mon, 26 May 2008 18:07:53 +0000 (11:07 -0700)]
Linux 2.6.26-rc4

16 years agoposix timers: discard SI_TIMER signals on exec
Oleg Nesterov [Mon, 26 May 2008 16:55:42 +0000 (20:55 +0400)]
posix timers: discard SI_TIMER signals on exec

Based on Roland's patch. This approach was suggested by Austin Clements
from the very beginning, and then by Linus.

As Austin pointed out, the execing task can be killed by SI_TIMER signal
because exec flushes the signal handlers, but doesn't discard the pending
signals generated by posix timers. Perhaps not a bug, but people find this
surprising. See http://bugzilla.kernel.org/show_bug.cgi?id=10460

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Austin Clements <amdragon+kernelbugzilla@mit.edu>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agoposix timers: sigqueue_free: don't free sigqueue if it is queued
Oleg Nesterov [Mon, 26 May 2008 16:55:42 +0000 (20:55 +0400)]
posix timers: sigqueue_free: don't free sigqueue if it is queued

Currently sigqueue_free() removes sigqueue from list, but doesn't cancel the
pending signal. This is not consistent, the task should either receive the
"full" signal along with siginfo_t, or it shouldn't receive the signal at all.

Change sigqueue_free() to clear SIGQUEUE_PREALLOC but leave sigqueue on list
if it is queued.

This is a user-visible change. If the signal is blocked, it stays queued
after sys_timer_delete() until unblocked with the "stale" si_code/si_value,
and of course it is still counted wrt RLIMIT_SIGPENDING which also limits
the number of posix timers.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Austin Clements <amdragon+kernelbugzilla@mit.edu>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agoMerge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
Linus Torvalds [Mon, 26 May 2008 17:24:06 +0000 (10:24 -0700)]
Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  i2c: Align i2c_device_id
  tuner: Do not alter i2c_client.name

16 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg...
Linus Torvalds [Mon, 26 May 2008 17:21:26 +0000 (10:21 -0700)]
Merge branch 'for-linus' of 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: ksize() abuse checks
  slob: Fix to return wrong pointer

16 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.26
Linus Torvalds [Mon, 26 May 2008 17:20:40 +0000 (10:20 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.26

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.26:
  sh: Drop broken URAM support on SH7723.
  sh: update Migo-R defconfig
  sh: use sm501 8250 mfd support on r2d boards
  sh: add probe support for new sh7723 cut
  sh: fix VPU interrupt vector for sh7723
  sh: fix USBF resource for sh7722

16 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
Linus Torvalds [Mon, 26 May 2008 17:14:37 +0000 (10:14 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: global_reg_snapshot is not for userspace

16 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Mon, 26 May 2008 17:14:02 +0000 (10:14 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (52 commits)
  vlan: Use bitmask of feature flags instead of seperate feature bits
  fmvj18x_cs: add NextCom NC5310 rev B support
  xirc2ps_cs: re-initialize the multicast address in do_reset
  3C509: rx_bytes should not be increased when alloc_skb failed
  NETFRONT: Use __skb_queue_purge()
  VIRTIO: Use __skb_queue_purge()
  phylib: do EXPORT_SYMBOL on get_phy_id
  netlink: Fix nla_parse_nested_compat() to call nla_parse() directly
  WAN: protect HDLC proto list while insmod/rmmod
  drivers/net/fs_enet: remove null pointer dereference
  S2io: Version update for napi and MSI-X patches
  S2io: Added napi support when MSIX is enabled.
  S2io: Move all the transmit completions to a single msi-x (alarm) vector
  drivers/net/ehea - remove unnecessary memset after kzalloc
  au1000_eth: remove useless check
  Blackfin EMAC Driver: Removed duplicated include <linux/ethtool.h>
  cpmac bugfixes and enhancements
  e1000e: use resource_size_t, not unsigned long, for phys addrs
  net/usb: add support for Apple USB Ethernet Adapter
  uli526x: add support for netpoll
  ...

16 years agoi2c: Align i2c_device_id
Jiri Slaby [Mon, 26 May 2008 14:08:40 +0000 (16:08 +0200)]
i2c: Align i2c_device_id

Align i2c_device_id.driver_data to 8 bytes to not fail on crossbuilds.

(Added in d2653e92732bd3911feff6bee5e23dbf959381db.)

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
16 years agotuner: Do not alter i2c_client.name
Michael Krufky [Mon, 26 May 2008 14:08:40 +0000 (16:08 +0200)]
tuner: Do not alter i2c_client.name

The tuner driver used to change i2c_client.name for its own needs, but
it really shouldn't, as this field is used by i2c-core to do the
device/driver matching. So, create and use a separate field for the
tuner driver needs.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
16 years agoavr32: Update defconfigs
Haavard Skinnemoen [Mon, 26 May 2008 11:25:05 +0000 (13:25 +0200)]
avr32: Update defconfigs

Just provide reasonable defaults for the new stuff. Tickless and
hrtimers are turned on for all boards except ATSTK1004.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
16 years agoavr32: export strnlen_user
Adrian Bunk [Wed, 21 May 2008 22:01:38 +0000 (01:01 +0300)]
avr32: export strnlen_user

This patch fixes the following build error:

<--  snip  -->

...
  MODPOST 1327 modules
ERROR: "strnlen_user" [drivers/input/misc/uinput.ko] undefined!
...
make[2]: *** [__modpost] Error 1

<--  snip  -->

Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
16 years agoavr32: export copy_page
Adrian Bunk [Mon, 5 May 2008 18:29:57 +0000 (21:29 +0300)]
avr32: export copy_page

This patch fixes the following build error:

<--  snip  -->

...
  MODPOST 61 modules
ERROR: "copy_page" [fs/fuse/fuse.ko] undefined!
...
make[2]: *** [__modpost] Error 1

<--  snip  -->

Also add an empty line since *_page aren't "String functions".

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
16 years agosparc64: global_reg_snapshot is not for userspace
Adrian Bunk [Mon, 26 May 2008 05:50:16 +0000 (22:50 -0700)]
sparc64: global_reg_snapshot is not for userspace

global_reg_snapshot shouldn't be visible in our userspace headers.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
16 years agosh: Drop broken URAM support on SH7723.
Paul Mundt [Mon, 26 May 2008 02:45:45 +0000 (11:45 +0900)]
sh: Drop broken URAM support on SH7723.

This was copied over from the previous MobileR bits, which doesn't
apply to R2. The URAM block on R2 is recycled for the L2 instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
16 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Linus Torvalds [Sun, 25 May 2008 22:00:27 +0000 (15:00 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
  Kconfig: introduce ARCH_DEFCONFIG to DEFCONFIG_LIST
  .gitignore: match ncscope.out
  scripts/ver_linux use 'gcc -dumpversion'

16 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
Linus Torvalds [Sun, 25 May 2008 21:59:59 +0000 (14:59 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
  [WATCHDOG] Add ICH9DO into the iTCO_wdt.c driver
  [WATCHDOG] Fix booke_wdt.c on MPC85xx SMP system's
  [WATCHDOG] Add a watchdog driver based on the CS5535/CS5536 MFGPT timers
  [WATCHDOG] hpwdt: Fix NMI handling.
  [WATCHDOG] Blackfin Watchdog Driver: split platform device/driver
  [WATCHDOG] Add w83697h_wdt early_disable option
  [WATCHDOG] Make w83697h_wdt timeout option string similar to others
  [WATCHDOG] Make w83697h_wdt void-like functions void

16 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Sun, 25 May 2008 21:59:27 +0000 (14:59 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  [ALSA] hda - Fix capture mute Widget for stac9250/9251
  [ALSA] snd-pcsp - fix pcsp_treble_info() to honour an item number
  [ALSA] hda - Added support for Foxconn P35AX-S mainboard
  [ALSA] hda - Fix COEF and EAPD in ALC889 auto-configuration mode
  [ALSA] hda - Fix noise on VT1708 codec
  [ALSA] hda - Add model for ASUS P5K-E/WIFI-AP

16 years agoKconfig: introduce ARCH_DEFCONFIG to DEFCONFIG_LIST
Sam Ravnborg [Sun, 25 May 2008 21:03:18 +0000 (23:03 +0200)]
Kconfig: introduce ARCH_DEFCONFIG to DEFCONFIG_LIST

init/Kconfig contains a list of configs that are searched
for if 'make *config' are used with no .config present.
Extend this list to look at the config identified by
ARCH_DEFCONFIG.

With this change we now try the defconfig targets last.

This fixes a regression reported
by: Linus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
16 years ago.gitignore: match ncscope.out
Jike Song [Thu, 22 May 2008 01:23:10 +0000 (09:23 +0800)]
.gitignore: match ncscope.out

Sometimes I got this:

    $ git-status
    {snip}
    # On branch master
    # Untracked files:
    #   (use "git add <file>..." to include in what will be committed)
    #
    #       ncscope.out
    nothing added to commit but untracked files present (use "git add"
to track)

Fix it.

Signed-off-by: Jike Song <albcamus@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
16 years agoscripts/ver_linux use 'gcc -dumpversion'
Gabriel C [Wed, 21 May 2008 18:36:19 +0000 (20:36 +0200)]
scripts/ver_linux use 'gcc -dumpversion'

These magic greps and hacks in ver_linux to get the gcc version always break after some gcc releases.

Since now gcc >4.3 allows compiling with '--with-pkgversion' ( which can be everything 'My Cool Gcc' or something )
ver_linux will report random junk for these.

Simply use 'gcc -dumpversion' to get the gcc version which should always work.

Signed-off-by: Gabriel C <nix.or.die@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
16 years ago[ALSA] hda - Fix capture mute Widget for stac9250/9251
Mauro Carvalho Chehab [Sun, 25 May 2008 16:20:06 +0000 (18:20 +0200)]
[ALSA] hda - Fix capture mute Widget for stac9250/9251

Fix capture mute widget for STAC9250/9251 codecs.  The widget 0x09
has no mute but 0x14 does actually.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
16 years ago[ALSA] snd-pcsp - fix pcsp_treble_info() to honour an item number
Stas Sergeev [Sat, 24 May 2008 16:05:47 +0000 (18:05 +0200)]
[ALSA] snd-pcsp - fix pcsp_treble_info() to honour an item number

This solves the problem with mixers wrongly displaying the PWM freq.

Signed-off-by: Stas Sergeev <stsp@aknet.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
16 years ago[WATCHDOG] Add ICH9DO into the iTCO_wdt.c driver
Gabriel C [Wed, 30 Apr 2008 14:51:10 +0000 (16:51 +0200)]
[WATCHDOG] Add ICH9DO into the iTCO_wdt.c driver

Add the Intel ICH9DO controller ID's for the iTCO_wdt kernel driver and bump
the driver version.

Tested on an P5E-VM DO ASUS motherboard.

Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
16 years ago[WATCHDOG] Fix booke_wdt.c on MPC85xx SMP system's
Chen Gong [Tue, 29 Apr 2008 08:42:05 +0000 (16:42 +0800)]
[WATCHDOG] Fix booke_wdt.c on MPC85xx SMP system's

On Book-E SMP systems each core has its own private watchdog.  If only one
watchdog is enabled, when the core that doesn't enable the watchdog is hung,
system can't reset because no watchdog is running on it.  That's bad.  It
means we must enable watchdogs on both cores.

We can use smp_call_function() to send appropriate messages to all the other
cores to enable and update the watchdog.

Signed-off-by: Chen Gong <g.chen@freescale.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
16 years ago[WATCHDOG] Add a watchdog driver based on the CS5535/CS5536 MFGPT timers
Jordan Crouse [Mon, 21 Jan 2008 17:07:00 +0000 (10:07 -0700)]
[WATCHDOG] Add a watchdog driver based on the CS5535/CS5536 MFGPT timers

Add a watchdog timer based on the MFGPT timers in the CS5535/CS5536
companion chips to the AMD Geode GX and LX processors.  Only caveat
is that the BIOS must provide at least a one free timer, and most
do not.

Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
16 years ago[WATCHDOG] hpwdt: Fix NMI handling.
Mingarelli, Thomas [Tue, 25 Mar 2008 17:17:30 +0000 (17:17 +0000)]
[WATCHDOG] hpwdt: Fix NMI handling.

I need to just return in case it's not my NMI so someone else can take a look
at it (and reset die_nmi_called to 0 in case I actually do get one that's mine
to handle).

Signed-off-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
16 years ago[WATCHDOG] Blackfin Watchdog Driver: split platform device/driver
Mike Frysinger [Thu, 27 Mar 2008 18:53:32 +0000 (11:53 -0700)]
[WATCHDOG] Blackfin Watchdog Driver: split platform device/driver

 - split platform device/driver registering from actual watchdog device/driver
   registering so that we can cleanly load/unload
 - fixup __initdata with __initconst and __devinitdata with __devinitconst

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
16 years ago[WATCHDOG] Add w83697h_wdt early_disable option
Samuel Tardieu [Wed, 12 Mar 2008 13:28:03 +0000 (14:28 +0100)]
[WATCHDOG] Add w83697h_wdt early_disable option

Pádraig Brady requested the possibility of not disabling the watchdog
at module load time or kernel boot time if it had been previously enabled
in the bios. It may help rebooting the machine if it freezes before the
userland daemon kicks in.

Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Cc: Pádraig Brady <P@draigBrady.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
16 years ago[WATCHDOG] Make w83697h_wdt timeout option string similar to others
Samuel Tardieu [Wed, 12 Mar 2008 13:28:02 +0000 (14:28 +0100)]
[WATCHDOG] Make w83697h_wdt timeout option string similar to others

Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
16 years ago[WATCHDOG] Make w83697h_wdt void-like functions void
Samuel Tardieu [Wed, 12 Mar 2008 13:28:01 +0000 (14:28 +0100)]
[WATCHDOG] Make w83697h_wdt void-like functions void

Some non-exported functions always returned 0. Mark them void instead.

Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
16 years agoMerge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 24 May 2008 17:20:00 +0000 (10:20 -0700)]
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip:
  x86: prevent PGE flush from interruption/preemption
  x86: use explicit copy in vdso_gettimeofday()
  namespacecheck: automated fixes
  x86/xen: fix arbitrary_virt_to_machine()
  x86: don't read maxlvt before checking if APIC is mapped
  x86: disable TSC for sched_clock() when calibration failed
  x86: distangle user disabled TSC from unstable
  x86: fix setup of cyc2ns in tsc_64.c

16 years agoMerge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Sat, 24 May 2008 17:13:16 +0000 (10:13 -0700)]
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] integrator: fix build warnings and errors
  [ARM] fix OMAP include loops
  Revert "[ARM] pxa: spitz wants PXA27x UDC definitions"
  [ARM] 5053/1: define before use of processor_id
  [ARM] 5052/1: export clock functions for the at91x40
  [ARM] 5051/1: define pgtable_t for the !CONFIG_MMU case too
  [ARM] omap: fix omap clk support build errors
  [ARM] 5039/1: S3C244X: Rename SDI device if running on S3C244X.
  [ARM] 5043/1: pxafb: remove unused mode variable in pxafb_init_fbinfo
  [ARM] 5041/1: VR1000: Fix DM9000 IRQ flags initialisation
  [ARM] 5040/1: BAST: Fix DM9000 IRQ flags initialisation
  [ARM] 5038/1: ARM: OMAP: Remove tsc2102 references from board-palmte.c
  [ARM] 5025/2: fix collie cpu initialisation

16 years agospi: remove some spidev oops-on-rmmod paths
David Brownell [Fri, 23 May 2008 20:05:03 +0000 (13:05 -0700)]
spi: remove some spidev oops-on-rmmod paths

Somehow the spidev code forgot to include a critical mechanism: when the
underlying device is removed (e.g.  spi_master rmmod), open file
descriptors must be prevented from issuing new I/O requests to that
device.  On penalty of the oopsing reported by Sebastian Siewior
<bigeasy@tglx.de> ...

This is a partial fix, adding handshaking between the lower level (SPI
messaging) and the file operations using the spi_dev.  (It also fixes an
issue where reads and writes didn't return the number of bytes sent or
received.)

There's still a refcounting issue to be addressed (separately).

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Reported-by: Sebastian Siewior <bigeasy@tglx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agocgroups: remove node_ prefix_from ns subsystem
Cedric Le Goater [Fri, 23 May 2008 20:05:02 +0000 (13:05 -0700)]
cgroups: remove node_ prefix_from ns subsystem

This is a slight change in the namespace cgroup subsystem api.

The change is that previously when cgroup_clone() was called (currently
only from the unshare path in ns_proxy cgroup, you'd get a new group named
"node_$pid" whereas now you'll get a group named after just your pid.)

The only users who would notice it are those who are using the ns_proxy
cgroup subsystem to auto-create cgroups when namespaces are unshared -
something of an experimental feature, which I think really needs more
complete container/namespace support in order to be useful.  I suspect the
only users are Cedric and Serge, or maybe a few others on
containers@lists.linux-foundation.org.  And in fact it would only be
noticed by the users who make the assumption about how the name is
generated, rather than getting it from the /proc/<pid>/cgroups file for
the process in question.

Whether the change is actually needed or not I'm fairly agnostic on, but I
guess it is more elegant to just use the pid as the new group name rather
than adding a fairly arbitrary "node_" prefix on the front.

[menage@google.com: provided changelog]
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: "Paul Menage" <menage@google.com>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agofor_each_online_pgdat(): kerneldoc fix
Fernando Luis Vazquez Cao [Fri, 23 May 2008 20:05:01 +0000 (13:05 -0700)]
for_each_online_pgdat(): kerneldoc fix

for_each_pgdat() was renamed to for_each_online_pgdat() and kerneldoc
comments should be updated accordingly.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agofrv: export empty_zero_page
Adrian Bunk [Fri, 23 May 2008 20:05:00 +0000 (13:05 -0700)]
frv: export empty_zero_page

Fix the following build error:

ERROR: "empty_zero_page" [fs/ext4/ext4dev.ko] undefined!

Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
16 years agosys_prctl(): fix return of uninitialized value
Shi Weihua [Fri, 23 May 2008 20:04:59 +0000 (13:04 -0700)]
sys_prctl(): fix return of uninitialized value

If none of the switch cases match, the PR_SET_PDEATHSIG and
PR_SET_DUMPABLE cases of the switch statement will never write to local
variable `error'.

Signed-off-by: Shi Weihua <shiwh@cn.fujitsu.com>
Cc: Andrew G. Morgan <morgan@kernel.org>
Acked-by: "Serge E. Hallyn" <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>