Marc Kleine-Budde [Mon, 21 Feb 2011 10:24:39 +0000 (11:24 +0100)]
ax88796: clean up probe and remove function
This way we can remove the struct resource pointers from the private data.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Marc Kleine-Budde [Mon, 21 Feb 2011 09:43:31 +0000 (10:43 +0100)]
ax88796: make pointer to platform data const
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Marc Kleine-Budde [Sun, 20 Feb 2011 18:13:20 +0000 (19:13 +0100)]
ax88796: remove platform_device member from struct ax_device
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Marc Kleine-Budde [Sun, 20 Feb 2011 16:46:18 +0000 (17:46 +0100)]
ax88796: use netdev_<LEVEL> instead of dev_<LEVEL> and pr_<LEVEL>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Marc Kleine-Budde [Sat, 19 Feb 2011 22:07:09 +0000 (23:07 +0100)]
ax88796: remove first_init parameter from ax_init_dev()
ax_init_dev() is always called with first_init=1.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Marc Kleine-Budde [Sat, 19 Feb 2011 21:12:27 +0000 (22:12 +0100)]
ax88796: remove memset of private data
It's allocated via alloc_netdev, thus already zeroed.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Marc Kleine-Budde [Sat, 19 Feb 2011 21:08:33 +0000 (22:08 +0100)]
ax88796: don't use magic ei_status to acces private data
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Marc Kleine-Budde [Sat, 19 Feb 2011 16:07:40 +0000 (17:07 +0100)]
ax88796: fix codingstyle and checkpatch warnings
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Shan Wei [Sat, 19 Feb 2011 21:57:26 +0000 (21:57 +0000)]
sctp: fix compile warnings in sctp_tsnmap_num_gabs
net/sctp/tsnmap.c: In function ‘sctp_tsnmap_num_gabs’:
net/sctp/tsnmap.c:347: warning: ‘start’ may be used uninitialized in this function
net/sctp/tsnmap.c:347: warning: ‘end’ may be used uninitialized in this function
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shan Wei [Sat, 19 Feb 2011 21:55:45 +0000 (21:55 +0000)]
tcp: Remove debug macro of TCP_CHECK_TIMER
Now, TCP_CHECK_TIMER is not used for debuging, it does nothing.
And, it has been there for several years, maybe 6 years.
Remove it to keep code clearer.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ilpo Järvinen [Sat, 19 Feb 2011 21:52:41 +0000 (21:52 +0000)]
tcp: document tcp_max_ssthresh (Limited Slow-Start)
Base on Ilpo's patch about documenting tcp_max_ssthresh.
(see http://marc.info/?l=linux-netdev&m=
117950581307310&w=2)
According to errata of RFC3742, fix the number of segments increased
during RTT time.
Just to state the occasion to use this parameter, But
about how to set parameter value, maybe some others can do it.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Sun, 20 Feb 2011 03:17:35 +0000 (19:17 -0800)]
Merge branch 'master' of /linux/kernel/git/davem/net-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/e1000e/netdev.c
net/xfrm/xfrm_policy.c
Jiri Bohac [Thu, 17 Feb 2011 13:12:08 +0000 (13:12 +0000)]
sctp: fix reporting of unknown parameters
commit
5fa782c2f5ef6c2e4f04d3e228412c9b4a4c8809 re-worked the
handling of unknown parameters. sctp_init_cause_fixed() can now
return -ENOSPC if there is not enough tailroom in the error
chunk skb. When this happens, the error header is not appended to
the error chunk. In that case, the payload of the unknown parameter
should not be appended either.
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John Fastabend [Fri, 18 Feb 2011 13:30:17 +0000 (13:30 +0000)]
net: dcb: match dcb_app protocol field with 802.1Qaz spec
The dcb_app protocol field is a __u32 however the 802.1Qaz
specification defines it as a 16 bit field. This patch brings
the structure inline with the spec making it a __u16.
CC: Shmulik Ravid <shmulikr@broadcom.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Fri, 18 Feb 2011 22:35:56 +0000 (22:35 +0000)]
tcp: fix inet_twsk_deschedule()
Eric W. Biederman reported a lockdep splat in inet_twsk_deschedule()
This is caused by inet_twsk_purge(), run from process context,
and commit
575f4cd5a5b6394577 (net: Use rcu lookups in inet_twsk_purge.)
removed the BH disabling that was necessary.
Add the BH disabling but fine grained, right before calling
inet_twsk_deschedule(), instead of whole function.
With help from Linus Torvalds and Eric W. Biederman
Reported-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Daniel Lezcano <daniel.lezcano@free.fr>
CC: Pavel Emelyanov <xemul@openvz.org>
CC: Arnaldo Carvalho de Melo <acme@redhat.com>
CC: stable <stable@kernel.org> (# 2.6.33+)
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Sun, 20 Feb 2011 00:42:37 +0000 (16:42 -0800)]
Merge branch 'master' of git://git./linux/kernel/git/kaber/nf-2.6
Linus Torvalds [Fri, 18 Feb 2011 22:20:46 +0000 (14:20 -0800)]
Merge branch 'rtc-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'rtc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
RTC: Re-enable UIE timer/polling emulation
RTC: Revert UIE emulation removal
RTC: Release mutex in error path of rtc_alarm_irq_enable
Linus Torvalds [Fri, 18 Feb 2011 22:15:05 +0000 (14:15 -0800)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits)
net: deinit automatic LIST_HEAD
net: dont leave active on stack LIST_HEAD
net: provide default_advmss() methods to blackhole dst_ops
tg3: Restrict phy ioctl access
drivers/net: Call netif_carrier_off at the end of the probe
ixgbe: work around for DDP last buffer size
ixgbe: fix panic due to uninitialised pointer
e1000e: flush all writebacks before unload
e1000e: check down flag in tasks
isdn: hisax: Use l2headersize() instead of dup (and buggy) func.
arp_notify: unconditionally send gratuitous ARP for NETDEV_NOTIFY_PEERS.
cxgb4vf: Use defined Mailbox Timeout
cxgb4vf: Quiesce Virtual Interfaces on shutdown ...
cxgb4vf: Behave properly when CONFIG_DEBUG_FS isn't defined ...
cxgb4vf: Check driver parameters in the right place ...
pch_gbe: Fix the MAC Address load issue.
iwlwifi: Delete iwl3945_good_plcp_health.
net/can/softing: make CAN_SOFTING_CS depend on CAN_SOFTING
netfilter: nf_iterate: fix incorrect RCU usage
pch_gbe: Fix the issue that the receiving data is not normal.
...
Linus Torvalds [Fri, 18 Feb 2011 20:44:41 +0000 (12:44 -0800)]
Merge branch 'for-linus/bugfixes' of git://xenbits.xen.org/people/ianc/linux-2.6
* 'for-linus/bugfixes' of git://xenbits.xen.org/people/ianc/linux-2.6:
xen: suspend and resume system devices when running PVHVM
David S. Miller [Fri, 18 Feb 2011 20:43:09 +0000 (12:43 -0800)]
ipv4: Implement __ip_dev_find using new interface address hash.
Much quicker than going through the FIB tables.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Fri, 18 Feb 2011 20:42:28 +0000 (12:42 -0800)]
ipv4: Add hash table of interface addresses.
This will be used to optimize __ip_dev_find() and friends.
With help from Eric Dumazet.
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Fri, 18 Feb 2011 20:36:06 +0000 (12:36 -0800)]
Merge branch 'fixes-2.6.38' of git://git./linux/kernel/git/tj/wq
* 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: make sure MAYDAY_INITIAL_TIMEOUT is at least 2 jiffies long
workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable'
workqueue: wake up a worker when a rescuer is leaving a gcwq
Eric Dumazet [Thu, 17 Feb 2011 22:59:19 +0000 (22:59 +0000)]
net: deinit automatic LIST_HEAD
commit
9b5e383c11b08784 (net: Introduce
unregister_netdevice_many()) left an active LIST_HEAD() in
rollback_registered(), with possible memory corruption.
Even if device is freed without touching its unreg_list (and therefore
touching the previous memory location holding LISTE_HEAD(single), better
close the bug for good, since its really subtle.
(Same fix for default_device_exit_batch() for completeness)
Reported-by: Michal Hocko <mhocko@suse.cz>
Tested-by: Michal Hocko <mhocko@suse.cz>
Reported-by: Eric W. Biderman <ebiderman@xmission.com>
Tested-by: Eric W. Biderman <ebiderman@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Ingo Molnar <mingo@elte.hu>
CC: Octavian Purdila <opurdila@ixiacom.com>
CC: stable <stable@kernel.org> [.33+]
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Thu, 17 Feb 2011 22:54:38 +0000 (22:54 +0000)]
net: dont leave active on stack LIST_HEAD
Eric W. Biderman and Michal Hocko reported various memory corruptions
that we suspected to be related to a LIST head located on stack, that
was manipulated after thread left function frame (and eventually exited,
so its stack was freed and reused).
Eric Dumazet suggested the problem was probably coming from commit
443457242beb (net: factorize
sync-rcu call in unregister_netdevice_many)
This patch fixes __dev_close() and dev_close() to properly deinit their
respective LIST_HEAD(single) before exiting.
References: https://lkml.org/lkml/2011/2/16/304
References: https://lkml.org/lkml/2011/2/14/223
Reported-by: Michal Hocko <mhocko@suse.cz>
Tested-by: Michal Hocko <mhocko@suse.cz>
Reported-by: Eric W. Biderman <ebiderman@xmission.com>
Tested-by: Eric W. Biderman <ebiderman@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Ingo Molnar <mingo@elte.hu>
CC: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Fri, 18 Feb 2011 19:39:01 +0000 (11:39 -0800)]
net: provide default_advmss() methods to blackhole dst_ops
Commit
0dbaee3b37e118a (net: Abstract default ADVMSS behind an
accessor.) introduced a possible crash in tcp_connect_init(), when
dst->default_advmss() is called from dst_metric_advmss()
Reported-by: George Spelvin <linux@horizon.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Fri, 18 Feb 2011 19:32:28 +0000 (11:32 -0800)]
Expand CONFIG_DEBUG_LIST to several other list operations
When list debugging is enabled, we aim to readably show list corruption
errors, and the basic list_add/list_del operations end up having extra
debugging code in them to do some basic validation of the list entries.
However, "list_del_init()" and "list_move[_tail]()" ended up avoiding
the debug code due to how they were written. This fixes that.
So the _next_ time we have list_move() problems with stale list entries,
we'll hopefully have an easier time finding them..
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Fri, 18 Feb 2011 01:52:36 +0000 (17:52 -0800)]
Merge branch 'pm-fixes' of git://git./linux/kernel/git/rafael/suspend-2.6
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM / Hibernate: Return error code when alloc_image_page() fails
Linus Torvalds [Fri, 18 Feb 2011 01:52:17 +0000 (17:52 -0800)]
Merge branch 'drm-fixes' of git://git./linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon/kms: add missing frac fb div flag for dce4+
drm/radeon/kms: do not reject X16 and Y16X16 floating-point formats on r300
drm/nouveau: fix suspend/resume on GPUs that don't have PM support
drm/nouveau: flips/flipd need to always set 'evict' for move_accel_cleanup()
drm/nv40: fix tiling-related setup for a number of chipsets
drm/nouveau: fix non-EDIDful native mode selection
drm/nouveau: Fix detection of DDC-based LVDS on DCB15 boards.
drm/nv04-nv40: Fix NULL dereference when we fail to find an LVDS native mode.
drm/nv10: Fix crash when allocating a BO larger than half the available VRAM.
Linus Torvalds [Fri, 18 Feb 2011 01:51:52 +0000 (17:51 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/qib: Prevent double completions after a timeout or RNR error
IB/qib: Fix double add_timer()
RDMA/nes: Don't generate async events for unregistered devices
Linus Torvalds [Fri, 18 Feb 2011 01:51:27 +0000 (17:51 -0800)]
Merge git://git./linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Fix NMI startup bug which also breaks perf.
sparc: fix size argument to find_next_zero_bit()
sparc: use bitmap_set()
sparc32: unaligned memory access (MNA) trap handler bug
Timo Warns [Thu, 17 Feb 2011 21:27:40 +0000 (22:27 +0100)]
fs/partitions: Validate map_count in Mac partition tables
Validate number of blocks in map and remove redundant variable.
Signed-off-by: Timo Warns <warns@pre-sense.de>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Vasanthy Kolluri [Thu, 17 Feb 2011 13:57:19 +0000 (13:57 +0000)]
enic: Always use single transmit and single receive hardware queues per device
We believe that our earlier patch for supporting multiple hardware
receive queues per enic device requires more internal testing. At this
point, we think that it's best to disable the use of multiple receive
queues. The current patch provides an effective means for the same.
Also, we continue to disallow multiple hardware transmit queues per
device. But change the way we enforce this in order to maintain
consistency with the way receive queues are handled.
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Danny Guo <dannguo@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Thu, 17 Feb 2011 05:44:24 +0000 (21:44 -0800)]
ipv4: Use const'ify fib_result deep in the route call chains.
The only troublesome bit here is __mkroute_output which wants
to override res->fi and res->type, compute those in local
variables instead.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Thu, 17 Feb 2011 06:04:57 +0000 (22:04 -0800)]
ipv4: Mark fib_combine_itag()'s 'res' arg as const.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 16 Feb 2011 22:56:22 +0000 (14:56 -0800)]
ipv4: Avoid use of signed integers in fib_trie code.
GCC emits all kinds of crazy zero extensions when we go from signed
int, to unsigned short, etc. etc.
This transformation has to be legal because:
1) In tkey_extract_bits() in mask_pfx(), the values are used to
perform shifts, on which negative values are undefined by C.
2) In fib_table_lookup() we perform comparisons with unsigned
values, constants, and additions. None of which should
encounter negative values.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 16 Feb 2011 22:08:44 +0000 (14:08 -0800)]
net: Add initial_ref arg to dst_alloc().
This allows avoiding multiple writes to the initial __refcnt.
The most simplest cases of wanting an initial reference of "1"
in ipv4 and ipv6 have been converted, the rest have been left
along and kept at the existing "0".
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Thu, 17 Feb 2011 23:42:37 +0000 (15:42 -0800)]
ipv4: Consolidate ipv4 dst allocation logic.
This also allows us to combine all the dst->flags settings and avoid
read/modify/write sequences to this struct member.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Thu, 17 Feb 2011 23:37:09 +0000 (15:37 -0800)]
ipv4: Move rcu_read_{lock,unlock}() into ip_route_output_slow().
Simplifies tail of __ip_route_output_key().
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Thu, 17 Feb 2011 23:29:00 +0000 (15:29 -0800)]
ipv4: Simplify output route creation call sequence.
There's a lot of redundancy and unnecessary stack frames
in the output route creation path.
1) Make __mkroute_output() return error pointers.
2) Eliminate ip_mkroute_output() entirely, made possible by #1.
3) Call __mkroute_output() directly and handling the returning error
pointers in ip_route_output_slow().
Signed-off-by: David S. Miller <davem@davemloft.net>
John Stultz [Sat, 12 Feb 2011 02:15:23 +0000 (18:15 -0800)]
RTC: Re-enable UIE timer/polling emulation
This patch re-enables UIE timer/polling emulation for rtc devices
that do not support alarm irqs.
CC: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
CC: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
John Stultz [Sat, 12 Feb 2011 01:45:40 +0000 (17:45 -0800)]
RTC: Revert UIE emulation removal
Uwe pointed out that my alarm based UIE emulation is not sufficient
to replace the older timer/polling based UIE emulation on devices
where there is no alarm irq. This causes rtc devices without alarms
to return -EINVAL to UIE ioctls. The fix is to re-instate the old
timer/polling method for devices without alarm irqs.
This patch reverts the following commits:
042620a018afcfba1d678062b62e46 - Remove UIE emulation
1daeddd5962acad1bea55e524fc0fa - Cleanup removed UIE emulation declaration
b5cc8ca1c9c3a37eaddf709b2fd3e1 - Remove Kconfig symbol for UIE emulation
The emulation mode will still need to be wired-in with a following
patch before it will work.
CC: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
CC: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Uwe Kleine-König [Mon, 14 Feb 2011 10:33:17 +0000 (11:33 +0100)]
RTC: Release mutex in error path of rtc_alarm_irq_enable
On hardware that doesn't support alarm interrupts, rtc_alarm_irq_enable
could return without releasing the ops_lock mutex.
This was introduced in
aa0be0f (RTC: Propagate error handling via rtc_timer_enqueue properly)
This patch corrects the issue by only returning once the mutex is
released.
[john.stultz: Reworded the commit log]
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Michał Mirosław [Tue, 15 Feb 2011 16:59:18 +0000 (16:59 +0000)]
loopback: convert to hw_features
This also enables TSOv6, TSO-ECN, and UFO as loopback clearly can handle them.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michał Mirosław [Tue, 15 Feb 2011 16:59:18 +0000 (16:59 +0000)]
net: introduce NETIF_F_RXCSUM
Introduce NETIF_F_RXCSUM to replace device-private flags for RX checksum
offload. Integrate it with ndo_fix_features.
ethtool_op_get_rx_csum() is removed altogether as nothing in-tree uses it.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michał Mirosław [Tue, 15 Feb 2011 16:59:18 +0000 (16:59 +0000)]
net: use ndo_fix_features for ethtool_ops->set_flags
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michał Mirosław [Tue, 15 Feb 2011 16:59:17 +0000 (16:59 +0000)]
net: ethtool: use ndo_fix_features for offload setting
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michał Mirosław [Tue, 15 Feb 2011 16:59:17 +0000 (16:59 +0000)]
net: Introduce new feature setting ops
This introduces a new framework to handle device features setting.
It consists of:
- new fields in struct net_device:
+ hw_features - features that hw/driver supports toggling
+ wanted_features - features that user wants enabled, when possible
- new netdev_ops:
+ feat = ndo_fix_features(dev, feat) - API checking constraints for
enabling features or their combinations
+ ndo_set_features(dev) - API updating hardware state to match
changed dev->features
- new ethtool commands:
+ ETHTOOL_GFEATURES/ETHTOOL_SFEATURES: get/set dev->wanted_features
and trigger device reconfiguration if resulting dev->features
changed
+ ETHTOOL_GSTRINGS(ETH_SS_FEATURES): get feature bits names (meaning)
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michał Mirosław [Tue, 15 Feb 2011 16:59:17 +0000 (16:59 +0000)]
ethtool: factorize get/set_one_feature
This allows to enable GRO even if RX csum is disabled. GRO will not
be used for packets without hardware checksum anyway.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michał Mirosław [Tue, 15 Feb 2011 16:59:16 +0000 (16:59 +0000)]
ethtool: factorize ethtool_get_strings() and ethtool_get_sset_count()
This is needed for unified offloads patch.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michał Mirosław [Tue, 15 Feb 2011 16:59:16 +0000 (16:59 +0000)]
ethtool: enable GSO and GRO by default
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michał Mirosław [Tue, 15 Feb 2011 16:59:16 +0000 (16:59 +0000)]
ethtool: move EXPORT_SYMBOL(ethtool_op_set_tx_csum) to correct place
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vasanthy Kolluri [Thu, 17 Feb 2011 08:53:17 +0000 (08:53 +0000)]
enic: Clean up: Remove a not needed #ifdef
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Danny Guo <dannguo@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vasanthy Kolluri [Thu, 17 Feb 2011 08:53:12 +0000 (08:53 +0000)]
enic: Bug fix: Reset driver count of registered unicast addresses to zero during device reset
During a device reset, clear the counter for the no. of unicast addresses registered.
Also, rename the routines that update unicast and multicast address lists.
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Danny Guo <dannguo@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matt Carlson [Tue, 15 Feb 2011 12:51:10 +0000 (12:51 +0000)]
tg3: Restrict phy ioctl access
If management firmware is present and the device is down, the firmware
will assume control of the phy. If a phy access were allowed from the
host, it will collide with firmware phy accesses, resulting in
unpredictable behavior. This patch fixes the problem by disallowing phy
accesses during the problematic condition.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ivan Vecera [Tue, 15 Feb 2011 02:08:39 +0000 (02:08 +0000)]
drivers/net: Call netif_carrier_off at the end of the probe
Without calling of netif_carrier_off at the end of the probe the operstate
is unknown when the device is initially opened. By default the carrier is
on so when the device is opened and netif_carrier_on is called the link
watch event is not fired and operstate remains zero (unknown).
This patch fixes this behavior in forcedeth and r8169.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Roland Dreier [Thu, 17 Feb 2011 22:04:59 +0000 (14:04 -0800)]
Merge branches 'nes' and 'qib' into for-next
Mike Marciniszyn [Wed, 16 Feb 2011 15:48:25 +0000 (15:48 +0000)]
IB/qib: Prevent double completions after a timeout or RNR error
There is a double completion associated with error handling for RC QPs.
The sequence is:
- The do_rc_ack() routine fields an RNR nack and there are 0
rnr_retries configured on the QP.
- qib_error_qp() stops the pending timer
- qib_rc_send_complete() is called from sdma_complete()
- qib_rc_send_complete() starts the timer because the msb of the psn
just completed says an ack is needed.
- a bunch of flushes occur as ipoib posts WQEs to an error'ed QP
- rc_timeout() calls qib_restart_rc()
- qib_restart_rc() calls qib_send_complete() with a
IB_WC_RETRY_EXC_ERR on a wqe that has already been completed in the
past
The fix avoids starting the timer since another packet will never
arrive.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Tom Herbert [Wed, 16 Feb 2011 10:27:02 +0000 (10:27 +0000)]
bnx2x: Support for managing RX indirection table
Support fetching and retrieving RX indirection table via ethtool.
Signed-off-by: Tom Herbert <therbert@google.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Joerg Marx [Thu, 17 Feb 2011 15:23:40 +0000 (16:23 +0100)]
netfilter: ip6t_LOG: fix a flaw in printing the MAC
The flaw was in skipping the second byte in MAC header due to increasing
the pointer AND indexed access starting at '1'.
Signed-off-by: Joerg Marx <joerg.marx@secunet.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Florian Westphal [Thu, 17 Feb 2011 10:32:38 +0000 (11:32 +0100)]
netfilter: tproxy: do not assign timewait sockets to skb->sk
Assigning a socket in timewait state to skb->sk can trigger
kernel oops, e.g. in nfnetlink_log, which does:
if (skb->sk) {
read_lock_bh(&skb->sk->sk_callback_lock);
if (skb->sk->sk_socket && skb->sk->sk_socket->file) ...
in the timewait case, accessing sk->sk_callback_lock and sk->sk_socket
is invalid.
Either all of these spots will need to add a test for sk->sk_state != TCP_TIME_WAIT,
or xt_TPROXY must not assign a timewait socket to skb->sk.
This does the latter.
If a TW socket is found, assign the tproxy nfmark, but skip the skb->sk assignment,
thus mimicking behaviour of a '-m socket .. -j MARK/ACCEPT' re-routing rule.
The 'SYN to TW socket' case is left unchanged -- we try to redirect to the
listener socket.
Cc: Balazs Scheidler <bazsi@balabit.hu>
Cc: KOVACS Krisztian <hidden@balabit.hu>
Signed-off-by: Florian Westphal <fwestphal@astaro.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Ian Campbell [Thu, 17 Feb 2011 10:31:20 +0000 (10:31 +0000)]
xen: suspend and resume system devices when running PVHVM
Otherwise we fail to properly suspend/resume all of the emulated devices.
Something between 2.6.38-rc2 and rc3 appears to have exposed this
issue, but it's always been wrong not to do this.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
Amir Hanania [Tue, 15 Feb 2011 09:11:31 +0000 (09:11 +0000)]
ixgbe: work around for DDP last buffer size
A HW limitation was recently discovered where the last buffer in a DDP offload
cannot be a full buffer size in length. Fix the issue with a work around by
adding another buffer with size = 1.
Signed-off-by: Amir Hanania <amir.hanania@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Andy Gospodarek [Thu, 17 Feb 2011 09:13:13 +0000 (01:13 -0800)]
ixgbe: fix panic due to uninitialised pointer
Systems containing an 82599EB and running a backported driver from
upstream were panicing on boot. It turns out hw->mac.ops.setup_sfp is
only set for 82599, so one should check to be sure that pointer is set
before continuing in ixgbe_sfp_config_module_task. I verified by
inspection that the upstream driver has the same issue and also added a
check before the call in ixgbe_sfp_link_config.
Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Jesse Brandeburg [Wed, 2 Feb 2011 10:19:50 +0000 (10:19 +0000)]
e1000e: flush all writebacks before unload
The driver was not flushing all writebacks before unloading, possibly
causing memory to be written by the hardware after the driver had
reinitialized the rings.
This adds missing functionality to flush any pending writebacks and is
called in all spots where descriptors should be completed before the driver
begins processing.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Jesse Brandeburg [Wed, 2 Feb 2011 10:19:45 +0000 (10:19 +0000)]
e1000e: check down flag in tasks
This change is part of a fix to avoid any tasks running while the driver is
exiting and deinitializing resources.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Linus Torvalds [Thu, 17 Feb 2011 05:53:41 +0000 (21:53 -0800)]
Merge branch 'for-2.6.38' of git://linux-nfs.org/~bfields/linux
* 'for-2.6.38' of git://linux-nfs.org/~bfields/linux:
nfsd: correctly handle return value from nfsd_map_name_to_*
Dave Airlie [Thu, 17 Feb 2011 03:56:35 +0000 (13:56 +1000)]
Merge remote branch 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next into drm-fixes
* 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next:
drm/nouveau: fix suspend/resume on GPUs that don't have PM support
drm/nouveau: flips/flipd need to always set 'evict' for move_accel_cleanup()
drm/nv40: fix tiling-related setup for a number of chipsets
drm/nouveau: fix non-EDIDful native mode selection
drm/nouveau: Fix detection of DDC-based LVDS on DCB15 boards.
drm/nv04-nv40: Fix NULL dereference when we fail to find an LVDS native mode.
drm/nv10: Fix crash when allocating a BO larger than half the available VRAM.
Alex Deucher [Thu, 17 Feb 2011 02:17:04 +0000 (21:17 -0500)]
drm/radeon/kms: add missing frac fb div flag for dce4+
The fixed ref/post dividers are set by the AdjustPll table
rather than the ss info table on dce4+. Make sure we enable
the fractional feedback dividers when using a fixed post
or ref divider on them as well.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=29272
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Marek Olšák [Wed, 16 Feb 2011 01:26:08 +0000 (02:26 +0100)]
drm/radeon/kms: do not reject X16 and Y16X16 floating-point formats on r300
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Ben Skeggs [Thu, 17 Feb 2011 01:11:28 +0000 (11:11 +1000)]
drm/nouveau: fix suspend/resume on GPUs that don't have PM support
This has been broken since 2.6.37, and fixes resume on a couple of fermi
boards I have access to.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Linus Torvalds [Thu, 17 Feb 2011 00:48:36 +0000 (16:48 -0800)]
Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6
* 'spi/merge' of git://git.secretlab.ca/git/linux-2.6:
spi/pxa2xx pci: fix the release - remove race
Chuck Ebbert [Wed, 16 Feb 2011 23:11:53 +0000 (18:11 -0500)]
block: revert block_dev read-only check
This reverts commit
75f1dc0d076d ("block: check bdev_read_only() from
blkdev_get()"). That commit added stricter checking to make sure
devices that were being used read-only were actually opened in that
mode.
It turns out that the change breaks a bunch of kernel code that opens
block devices. Affected systems include dm, md, and the loop device.
Because strict checking for read-only opens of block devices was not
done before this, the code that opens the devices was opening them
read-write even if they were being used read-only. Auditing all that
code will take time, and new userspace packages for dm, mdadm, etc.
will also be required.
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ben Skeggs [Mon, 14 Feb 2011 03:51:28 +0000 (13:51 +1000)]
drm/nouveau: flips/flipd need to always set 'evict' for move_accel_cleanup()
We free the temporary binding before leaving this function, so we also have
to wait for the move to actually complete.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs [Mon, 7 Feb 2011 00:49:39 +0000 (10:49 +1000)]
drm/nv40: fix tiling-related setup for a number of chipsets
Due to the default case handling the older chipsets, a bunch of the newer
ones ended up having the wrong tiling regs used. This commit switches the
default case to handle the newest chipsets.
This also makes nv4e touch the "extra" tiling regs. "nv" doesn't touch
them for C51 but traces of the NVIDIA binary driver show it being done
there.
I couldn't find NV41/NV45 traces to confirm the behaviour there, but an
educated guess was taken at each of them.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Ben Skeggs [Sun, 6 Feb 2011 22:41:18 +0000 (08:41 +1000)]
drm/nouveau: fix non-EDIDful native mode selection
The DRM core fills this value, but at too late a stage for this to work,
possibly resulting in an undesirable mode being selected.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Francisco Jerez [Thu, 3 Feb 2011 00:56:32 +0000 (01:56 +0100)]
drm/nouveau: Fix detection of DDC-based LVDS on DCB15 boards.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Francisco Jerez [Thu, 3 Feb 2011 00:53:18 +0000 (01:53 +0100)]
drm/nv04-nv40: Fix NULL dereference when we fail to find an LVDS native mode.
Reported-by: Alex Buell <alex.buell@munted.org.uk>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Francisco Jerez [Thu, 3 Feb 2011 00:49:33 +0000 (01:49 +0100)]
drm/nv10: Fix crash when allocating a BO larger than half the available VRAM.
Reported-by: Alex Buell <alex.buell@munted.org.uk>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
NeilBrown [Wed, 16 Feb 2011 02:08:35 +0000 (13:08 +1100)]
nfsd: correctly handle return value from nfsd_map_name_to_*
These functions return an nfs status, not a host_err. So don't
try to convert before returning.
This is a regression introduced by
3c726023402a2f3b28f49b9d90ebf9e71151157d; I fixed up two of the callers,
but missed these two.
Cc: stable@kernel.org
Reported-by: Herbert Poetzl <herbert@13thfloor.at>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Stanislaw Gruszka [Sat, 12 Feb 2011 20:06:51 +0000 (21:06 +0100)]
PM / Hibernate: Return error code when alloc_image_page() fails
Currently we return 0 in swsusp_alloc() when alloc_image_page() fails.
Fix that. Also remove unneeded "error" variable since the only
useful value of error is -ENOMEM.
[rjw: Fixed up the changelog and changed subject.]
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: stable@kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tejun Heo [Wed, 16 Feb 2011 17:10:19 +0000 (18:10 +0100)]
workqueue: make sure MAYDAY_INITIAL_TIMEOUT is at least 2 jiffies long
MAYDAY_INITIAL_TIMEOUT is defined as HZ / 100 and depending on
configuration may end up 0 or 1. Even when it's 1, depending on when
the mayday timer is added in the current jiffy interval, it may expire
way before a jiffy has passed.
Make sure MAYDAY_INITIAL_TIMEOUT is at least two to guarantee that at
least a full jiffy has passed before calling rescuers.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Ray Jui <rjui@broadcom.com>
Cc: stable@kernel.org
Linus Torvalds [Wed, 16 Feb 2011 17:07:00 +0000 (09:07 -0800)]
Merge git://git./linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] qla2xxx: Return DID_NO_CONNECT when FC device is lost.
[SCSI] mptfusion: Bump version 03.04.18
[SCSI] mptfusion: Fix Incorrect return value in mptscsih_dev_reset
[SCSI] mptfusion: mptctl_release is required in mptctl.c
[SCSI] target: fix use after free detected by SLUB poison
[SCSI] target: Remove procfs based target_core_mib.c code
[SCSI] target: Fix SCF_SCSI_CONTROL_SG_IO_CDB breakage
[SCSI] target: Fix top-level configfs_subsystem default_group shutdown breakage
[SCSI] target: fixed missing lock drop in error path
[SCSI] target: Fix demo-mode MappedLUN shutdown UA/PR breakage
[SCSI] target/iblock: Fix failed bd claim NULL pointer dereference
[SCSI] target: iblock/pscsi claim checking for NULL instead of IS_ERR
[SCSI] scsi_debug: Fix 32-bit overflow in do_device_access causing memory corruption
[SCSI] qla2xxx: Change from irq to irqsave with host_lock
[SCSI] qla2xxx: Fix race that could hang kthread_stop()
Linus Torvalds [Wed, 16 Feb 2011 17:04:41 +0000 (09:04 -0800)]
Merge git://git./linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha-s390 - Reset index after processing partial block
Linus Torvalds [Wed, 16 Feb 2011 16:56:55 +0000 (08:56 -0800)]
vfs: fix BUG_ON() in fs/namei.c:1461
When Al moved the nameidata_dentry_drop_rcu_maybe() call into the
do_follow_link function in commit
844a391799c2 ("nothing in
do_follow_link() is going to see RCU"), he mistakenly left the
BUG_ON(inode != path->dentry->d_inode);
behind. Which would otherwise be ok, but that BUG_ON() really needs to
be _after_ dropping RCU, since the dentry isn't necessarily stable
otherwise.
So complete the code movement in that commit, and move the BUG_ON() into
do_follow_link() too. This means that we need to pass in 'inode' as an
argument (just for this one use), but that's a small thing. And
eventually we may be confident enough in our path lookup that we can
just remove the BUG_ON() and the unnecessary inode argument.
Reported-and-tested-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Tejun Heo [Wed, 16 Feb 2011 08:25:31 +0000 (09:25 +0100)]
workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable'
There are two spellings in use for 'freeze' + 'able' - 'freezable' and
'freezeable'. The former is the more prominent one. The latter is
mostly used by workqueue and in a few other odd places. Unify the
spelling to 'freezable'.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Dubov <oakad@yahoo.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Linus Torvalds [Wed, 16 Feb 2011 03:23:45 +0000 (19:23 -0800)]
Linux 2.6.38-rc5
Linus Torvalds [Wed, 16 Feb 2011 01:51:18 +0000 (17:51 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: set flow handler for secondary interrupt controller of 5249
m68knommu: remove use of IRQ_FLG_LOCK from 68360 platform support
m68knommu: fix dereference of port.tty
m68knommu: add missing linker __modver section
m68knommu: fix mis-named variable int set_irq_chip loop
m68knommu: add optimize memmove() function
m68k: remove arch specific non-optimized memcmp()
m68knommu: fix use of un-defined _TIF_WORK_MASK
m68knommu: Rename m548x_wdt.c to m54xx_wdt.c
m68knommu: fix m548x_wdt.c compilation after headers renaming
m68knommu: Remove dependencies on nonexistent M68KNOMMU
Greg Ungerer [Wed, 9 Feb 2011 03:43:58 +0000 (13:43 +1000)]
m68knommu: set flow handler for secondary interrupt controller of 5249
The secondary interrupt controller of the ColdFire 5249 code is not
setting the edge triggered flow handler. Set it.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Greg Ungerer [Tue, 8 Feb 2011 11:40:11 +0000 (21:40 +1000)]
m68knommu: remove use of IRQ_FLG_LOCK from 68360 platform support
The m68knommu arch does not define or use IRQ_FLG_LOCK in its irq
subsystem. Remove obsolete use of it.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Greg Ungerer [Tue, 8 Feb 2011 11:32:36 +0000 (21:32 +1000)]
m68knommu: fix dereference of port.tty
The struct_tty associated with a port is now a direct pointer
from within the local private driver info struct. So fix all uses
of it.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Greg Ungerer [Tue, 8 Feb 2011 04:45:59 +0000 (14:45 +1000)]
m68knommu: add missing linker __modver section
Add missing linker section __modver to fix:
LD vmlinux
/usr/local/bin/../m68k-uclinux/bin/ld.real: error: no memory region specified for loadable section `__modver'
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Greg Ungerer [Tue, 8 Feb 2011 04:40:44 +0000 (14:40 +1000)]
m68knommu: fix mis-named variable int set_irq_chip loop
Compiling for 68360 targets gives:
CC arch/m68knommu/platform/68360/ints.o
arch/m68knommu/platform/68360/ints.c: In function ‘init_IRQ’:
arch/m68knommu/platform/68360/ints.c:135:16: error: ‘irq’ undeclared (first use in this function)
arch/m68knommu/platform/68360/ints.c:135:16: note: each undeclared identifier is reported only once for each function it appears in
Fix variable name used.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Greg Ungerer [Thu, 3 Feb 2011 11:58:39 +0000 (21:58 +1000)]
m68knommu: add optimize memmove() function
Add an m68k/coldfire optimized memmove() function for the m68knommu arch.
This is the same function as used by m68k. Simple speed tests show this
is faster once buffers are larger than 4 bytes, and significantly faster
on much larger buffers (4 times faster above about 100 bytes).
This also goes part of the way to fixing a regression caused by commit
ea61bc461d09e8d331a307916530aaae808c72a2 ("m68k/m68knommu: merge MMU and
non-MMU string.h"), which breaks non-coldfire non-mmu builds (which is
the 68x328 and 68360 families). They currently have no memmove() fucntion
defined, since there was none in the m68knommu/lib functions.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Greg Ungerer [Thu, 3 Feb 2011 11:31:20 +0000 (21:31 +1000)]
m68k: remove arch specific non-optimized memcmp()
The m68k arch implements its own memcmp() function. It is not optimized
in any way (it is the most strait forward coding of memcmp you can get).
Remove it and use the kernels standard memcmp() implementation.
This also goes part of the way to fixing a regression caused by commit
ea61bc461d09e8d331a307916530aaae808c72a2 ("m68k/m68knommu: merge MMU and
non-MMU string.h"), which breaks non-coldfire non-mmu builds (which is
the 68x328 and 68360 families). They currently have no memcmp() function
defined, since there is none in the m68knommu/lib functions.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Linus Torvalds [Tue, 15 Feb 2011 23:25:33 +0000 (15:25 -0800)]
Merge branch 'drm-fixes' of git://git./linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (27 commits)
drm/radeon/kms: hopefully fix pll issues for real (v3)
drm/radeon/kms: add bounds checking to avivo pll algo
drm: fix wrong usages of drm_device in DRM Developer's Guide
drm/radeon/kms: fix a few more atombios endian issues
drm/radeon/kms: improve 6xx/7xx CS error output
drm/radeon/kms: check AA resolve registers on r300
drm/radeon/kms: fix tracking of BLENDCNTL, COLOR_CHANNEL_MASK, and GB_Z on r300
drm/radeon/kms: use linear aligned for evergreen/ni bo blits
drm/radeon/kms: use linear aligned for 6xx/7xx bo blits
drm/radeon: fix race between GPU reset and TTM delayed delete thread.
drm/radeon/kms: evergreen/ni big endian fixes (v2)
drm/radeon/kms: 6xx/7xx big endian fixes
drm/radeon/kms: atombios big endian fixes
drm/radeon: 6xx/7xx non-kms endian fixes
drm/radeon/kms: optimize CS state checking for r100->r500
drm: do not leak kernel addresses via /proc/dri/*/vma
drm/radeon/kms: add connector table for mac g5 9600
radeon mkregtable: Add missing fclose() calls
drm/radeon/kms: fix interlaced modes on dce4+
drm/radeon: fix memory debugging since
d961db75ce86a84f1f04e91ad1014653ed7d9f46
...
Linus Torvalds [Tue, 15 Feb 2011 23:25:11 +0000 (15:25 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
pci: use security_capable() when checking capablities during config space read
Andrea Arcangeli [Tue, 15 Feb 2011 18:02:45 +0000 (19:02 +0100)]
thp: prevent hugepages during args/env copying into the user stack
Transparent hugepages can only be created if rmap is fully
functional. So we must prevent hugepages to be created while
is_vma_temporary_stack() is true.
This also optmizes away some harmless but unnecessary setting of
khugepaged_scan.address and it switches some BUG_ON to VM_BUG_ON.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 15 Feb 2011 23:19:45 +0000 (15:19 -0800)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI / Video: Probe for output switch method when searching video devices.
ACPI / Wakeup: Enable button GPEs unconditionally during initialization
ACPI / ACPICA: Avoid crashing if _PRW is defined for the root object
ACPI: Fix acpi_os_read_memory() and acpi_os_write_memory() (v2)
Linus Torvalds [Tue, 15 Feb 2011 23:19:22 +0000 (15:19 -0800)]
Merge branch 'tools-release' of git://git./linux/kernel/git/lenb/linux-idle-2.6
* 'tools-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6:
tools: turbostat: style updates
tools: turbostat: fix bitwise and operand
David S. Miller [Tue, 15 Feb 2011 23:04:07 +0000 (15:04 -0800)]
sparc64: Fix NMI startup bug which also breaks perf.
Doing NMI startup as an early initcall doesn't work because we need
to have SMP started up by then.
So we'd only NMI startup one cpu, which causes perf PMU grab to
BUG because the nmi_active count isn't what it's supposed to be.
This also points out that we don't have proper CPU up/down notifiers
for the NMI code which will need to be fixed at some point.
Signed-off-by: David S. Miller <davem@davemloft.net>