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2008-12-05tcp: fix tso_should_defer in 64bitIlpo Järvinen
Since jiffies is unsigned long, the types get expanded into that and after long enough time the difference will therefore always be > 1 (and that probably happens near boot as well as iirc the first jiffies wrap is scheduler close after boot to find out problems related to that early). This was originally noted by Bill Fink in Dec'07 but nobody never ended fixing it. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tcp: use tcp_write_xmit also in tcp_push_oneIlpo Järvinen
tcp_minshall_update is not significant difference since it only checks for not full-sized skb which is BUG'ed on the push_one path anyway. tcp_snd_test is tcp_nagle_test+tcp_cwnd_test+tcp_snd_wnd_test, just the order changed slightly. net/ipv4/tcp_output.c: tcp_snd_test | -89 tcp_mss_split_point | -91 tcp_may_send_now | +53 tcp_cwnd_validate | -98 tso_fragment | -239 __tcp_push_pending_frames | -1340 tcp_push_one | -146 7 functions changed, 53 bytes added, 2003 bytes removed, diff: -1950 net/ipv4/tcp_output.c: tcp_write_xmit | +1772 1 function changed, 1772 bytes added, diff: +1772 tcp_output.o.new: 8 functions changed, 1825 bytes added, 2003 bytes removed, diff: -178 Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-core.c drivers/net/wireless/iwlwifi/iwl-sta.c
2008-12-05tcp: move some parts from tcp_write_xmitIlpo Järvinen
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tcp: share code through function, not through copy-paste. :-)Ilpo Järvinen
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tcp: drop tcp_bound_rto, merge content of it tcp_set_rtoIlpo Järvinen
Both are called by the same sites. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tcp: no need to pass prev skb around, reduces arg pressureIlpo Järvinen
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tcp: introduce struct tcp_sacktag_state to reduce arg pressureIlpo Järvinen
There are just too many args to some sacktag functions. This idea was first proposed by David S. Miller around a year ago, and the current situation is much worse that what it was back then. tcp_sacktag_one can be made a bit simpler by returning the new sacked (it can be achieved with a single variable though the previous code "caching" sacked into a local variable and therefore it is not exactly equal but the results will be the same). codiff on x86_64 tcp_sacktag_one | -15 tcp_shifted_skb | -50 tcp_match_skb_to_sack | -1 tcp_sacktag_walk | -64 tcp_sacktag_write_queue | -59 tcp_urg | +1 tcp_event_data_recv | -1 7 functions changed, 1 bytes added, 190 bytes removed, diff: -189 Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tcp: make mtu probe failure to not break gso'ed skbs unnecessarilyIlpo Järvinen
I noticed that since skb->len has nothing to do with actual segment length with gso, we need to figure it out separately, reuse a function from the recent shifting stuff (generalize it). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tcp: Fix thinko making the not-shiftable to cover S|R as wellIlpo Järvinen
S|R won't result in S if just SACK is received. DSACK is another story (but it is covered correctly already). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tcp: force mss equality with the next skb too.Ilpo Järvinen
Also make if-goto forest nicer looking. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05dccp: use roundup instead of opencodingIlpo Järvinen
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tty: driverdata and discdata are void *Alan Cox
Remove all the extra casting while we are cleaning up Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05tty: Flags should be accessed via the foo_bit interfacesAlan Cox
We have various drivers that poke around directly and we need to clean this up before it causes problems. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2008-12-05Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2008-12-05Fix a race condition in FASYNC handlingJonathan Corbet
Changeset a238b790d5f99c7832f9b73ac8847025815b85f7 (Call fasync() functions without the BKL) introduced a race which could leave file->f_flags in a state inconsistent with what the underlying driver/filesystem believes. Revert that change, and also fix the same races in ioctl_fioasync() and ioctl_fionbio(). This is a minimal, short-term fix; the real fix will not involve the BKL. Reported-by: Oleg Nesterov <oleg@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: stable@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-05igb/e1000e: Naming interrupt vectorsAlexander Duyck
Change interrupt vector naming to match recent changes from Robert Olsson. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-05Enforce a minimum SG_IO timeoutLinus Torvalds
There's no point in having too short SG_IO timeouts, since if the command does end up timing out, we'll end up through the reset sequence that is several seconds long in order to abort the command that timed out. As a result, shorter timeouts than a few seconds simply do not make sense, as the recovery would be longer than the timeout itself. Add a BLK_MIN_SG_TIMEOUT to match the existign BLK_DEFAULT_SG_TIMEOUT. Suggested-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Tejun Heo <tj@kernel.org> Acked-by: Jens Axboe <jens.axboe@oracle.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-05Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: MIPS: Fix incorrect use of loose in vpe.c
2008-12-05drivers/message/i2o/iop.c: cleanup kerneldocQinghuang Feng
no argument named @msg in i2o_msg_get_wait(), remove it. Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-05Fix incorrect use of loose in i2o_block.cNick Andrew
Fix incorrect use of loose in i2o_block.c It should be 'lose', not 'loose'. Signed-off-by: Nick Andrew <nick@nick-andrew.net> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-05Fix incorrect use of loose in tty/serial driversNick Andrew
[Folded together as one diff from 3] It should be 'lose', not 'loose'. Signed-off-by: Nick Andrew <nick@nick-andrew.net> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-05Revert "ACPI: battery: Convert discharge energy rate to current properly"Linus Torvalds
This reverts commit 558073dd56707864f09d563b64e7c37c021e89d2, along with the failed try to fix the regression it caused ("ACPI: Fix ACPI battery regression introduced by commit 558073"), which just made things worse. Commit aaad077638be1a25871bcae5e43952d6b63abfca (that failed "Fix ACPI battery regression") got the voltage conversion confused, and fixed the problem with Rafael's battery monitor apparently just by mistake. So revert them both, getting us back to the 2.6.27 state in this, and let's revisit it when people understand what's going on. Noted-by: Paul Martin <pm@debian.org> Requested-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Len Brown <len.brown@intel.com> Cc: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-05powerpc/virtex5: Fix Virtex5 machine check handlingGrant Likely
The 440x5 core in the Virtex5 uses the 440A type machine check (ie, they have MCSRR0/MCSRR1). They thus need to call the appropriate fixup function to hook the right variant of the exception. Without this, all machine checks become fatal due to loss of context when entering the exception handler. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-12-05IB/ehca: Replace modulus operations in flush error completion pathStefan Roscher
With the latest flush error completion patch we introduced modulus operation to calculate the next index within a qmap. Based on comments from other mailing lists we decided to optimize this operation by using an addition and an if-statement instead of modulus, even though this is on the error path. Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05IB/ipath: Add locking for interrupt use of ipath_pd contexts vs freeDave Olson
Fixes timing race resulting in panic. Not a performance sensitive path. Signed-off-by: Dave Olson <dave.olson@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05IB/ipath: Fix spi_pioindex valueDave Olson
ipath_piobufbase was a single value offset, but is multiple values on newer chips, so use only the 32 bits for the 2K buffers (4K buffers are currently used only by the driver). Signed-off-by: Dave Olson <dave.olson@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05IB/ipath: Only do 1X workaround on rev1 chipsDave Olson
Signed-off-by: Dave Olson <dave.olson@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05IB/ipath: Don't count IB symbol and link errors unless link is UPDave Olson
Implement the ignoring of ibsymbol errors and linkrecover errors while the link is at less than INIT (long needed), to get accurate counts. Particularly an issue when doing non-IBTA DDR negotiation with chips from vendors that do not support IBTA mode negotiation. If the driver is unloaded, and there is a delta, the adjusted counters are written back to the chip, so they stay adjusted across driver reload. Signed-off-by: Dave Olson <dave.olson@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05IB/ipath: Check return value of dma_map_single()Ralph Campbell
This fixes an obvious oversight where the return value is not checked for error. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05IB/ipath: Fix PSN of send WQEs after an RDMA read resendRalph Campbell
The PSN of the first packet after an RDMA read is based on the size of the RDMA read request. This is calculated correctly for the WQE sent after the first request message but not on subsequent requests if the RDMA read is resent. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05RDMA/nes: Cleanup warningsChien Tung
Wrap NES_DEBUG and assert macros with do while (0) to avoid ambiguous else. No one is using sk_buff * returned from form_cm_frame(), so drop the return. drop_packet() should not be incrementing reset counter on receiving a FIN. Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05RDMA/nes: Add loopback check to make_cm_node()Chien Tung
Check for loopback connection in make_cm_node(). Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05RDMA/nes: Check cqp_avail_reqs is empty after locking the listFaisal Latif
Between the first empty list check and locking the list, the list can change. Check it again after it is locked to make sure the list is still not empty. Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05RDMA/nes: Fix TCP compliance test failuresFaisal Latif
ANVL testing showed we are not handling all cm_node states during connection establishment. Add missing state handlers and fix sequence number send reset in handle_tcp_options(). Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05RDMA/nes: Forward packets for a new connection with stale APBVT entryFaisal Latif
Under heavy traffic, there is a small windows when an APBVT entry is not yet removed and a new connection is established. Packets for the new connection are dropped until APBVT entry is removed. This patch will forward the packets instead of dropping them. Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05RDMA/nes: Avoid race between MPA request and reset event to rdma_cmFaisal Latif
In passive open, after indicating MPA request to rdma_cm, an incoming RST would fire a reset event to rdma_cm causing it to crash, since the current state is not connected. The solution is to wait for nes_accept() or nes_reject() before firing the reset event. If nes_accept() or nes_reject() is already done, then the reset event will be fired when RST is processed. Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05RDMA/nes: Lock down connected_nodes list while processing itFaisal Latif
While processing connected_nodes list, we would release the lock when we need to send reset to remote partner. That created a window where the list can be modified. Change this into a two step process: place nodes that need processing on a local list then process the local list. Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05RDMA/nes: Cleanup cqp_request list usageFaisal Latif
Use nes_free_cqp_request() instead of open coding. Change some continue to break in nes_cm_timer_tick, because send_entry used to be a list processed in a loop (so continue went to the next item). Now it is a single item, so using break is correct. Signed-off-by: Faisal Latif <faisal.latif@intel.com> Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-05kbuild: remove TAR_IGNORERobert P. J. Day
Given that there is no usage of a TAR_IGNORE variable remove it Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-12-05MIPS: Fix incorrect use of loose in vpe.cNick Andrew
It should be 'lose', not 'loose'. Signed-off-by: Nick Andrew <nick@nick-andrew.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-12-05ASoC: tlv320aic3x: control additions and cleanupsDaniel Mack
- split "Line Playback Switch" into "LineL Playback Switch" and "LineR Playback Switch" - split "Line PGA Bypass Playback Volume" into "LineL Left PGA Bypass Playback Volume" and "LineR Right PGA Bypass Playback Volume" - split "Line Line2 Bypass Playback Volume" into "LineL Line2 Bypass Playback Volume" and "LineR Line2 Bypass Playback Volume" - Added "HP Right PGA Bypass Playback Volume" Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2008-12-05ASoC: Add support for OMAP3 PandoraGrazvydas Ignotas
This patch adds basic support for OMAP3 Pandora. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2008-12-05ath9k: Use GFP_ATOMIC when allocating TX private areaLuis R. Rodriguez
Using GFP_KERNEL was wrong and produces a 'scheduling while atomic' bug as we're in a tasklet. Also, check for proper return values now, in case allocation fails and be sure to stop the TX queue in case of memory issues but gaurantee the TX queue will eventually be woken up. Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-12-05ath9k: Check for pci_map_single() errorsLuis R. Rodriguez
pci_map_single() can fail so detect those errors with pci_dma_mapping_error() and deal with them accordingly. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-12-05rt2x00: Correctly initialize AID during set_key()Ivo van Doorn
Request the AID from hardware and provide this id to the driver (in case they need it). Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-12-05rt2x00: Move crypto TX descriptor handling to rt2x00crypto.cIvo van Doorn
Move all code which determines the right TX descriptor fields specific to crypto support into rt2x00crypto.c. This makes the code in rt2x00queue more simpler and better concentrates all crypto code into a single location. With this we can also remove some ifdefs in rt2x00queue.c since the code inside the ifdef is either very small, or only calling empty functions (see empty function definitions in rt2x00lib.h). Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-12-05rt2x00: Fix check for BSS info changesIvo van Doorn
Fix ERP configuration, due to a too strict changes flags checking we never updated the short slot time or basic rate mask when no other changes were made at the same time. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-12-05generic swap(): ath9k: rename swap() to swap_array()Wu Fengguang
In preparation for the introduction of a generic swap() macro. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Sujith Manoharan <Sujith.Manoharan@atheros.com> Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Cc: Vasanthakumar Thiagarajan <vasanth@atheros.com> Cc: Senthil Balasubramanian <senthilkumar@atheros.com> Cc: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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