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* bnx2x: fix DMAE timeout according to hw specificationsDmitry Kravkov2011-05-22
| | | | | | Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: properly handle CFC DEL in cnic flowVladislav Zolotarov2011-05-22
| | | | | | Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2x: call dev_kfree_skb_any instead of dev_kfree_skbVladislav Zolotarov2011-05-22
| | | | | | | | replace function calls when possible call in both irq/non-irq contexts Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: filter: move forward declarations to avoid compile warningsHeiko Carstens2011-05-22
| | | | | | | | | | Get rid of this compile warning: In file included from arch/s390/kernel/compat_linux.c:37:0: include/linux/filter.h:139:23: warning: 'struct sk_buff' declared inside parameter list Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* pktgen: refactor pg_init() codeWANG Cong2011-05-22
| | | | | | | | | | | | This also shrinks the object size a little. text data bss dec hex filename 28834 186 8 29028 7164 net/core/pktgen.o 28816 186 8 29010 7152 net/core/pktgen.o.AFTER Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Cc: "David Miller" <davem@davemloft.net>, Signed-off-by: David S. Miller <davem@davemloft.net>
* pktgen: use vzalloc_node() instead of vmalloc_node() + memset()WANG Cong2011-05-22
| | | | | | Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: skb_trim explicitely check the linearity instead of data_lenEmmanuel Grumbach2011-05-22
| | | | | | | | The purpose of the check on data_len is to check linearity, so use the inline helper for this. No overhead and more explicit. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: Give backtrace in ip_rt_bug().Dave Jones2011-05-22
| | | | | | | Add a stack backtrace to the ip_rt_bug path for debugging Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: avoid synchronize_rcu() in dev_deactivate_manyEric Dumazet2011-05-22
| | | | | | | | | | | | | | | | | | | | | dev_deactivate_many() issues one synchronize_rcu() call after qdiscs set to noop_qdisc. This call is here to make sure they are no outstanding qdisc-less dev_queue_xmit calls before returning to caller. But in dismantle phase, we dont have to wait, because we wont activate again the device, and we are going to wait one rcu grace period later in rollback_registered_many(). After this patch, device dismantle uses one synchronize_net() and one rcu_barrier() call only, so we have a ~30% speedup and a smaller RTNL latency. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Patrick McHardy <kaber@trash.net>, CC: Ben Greear <greearb@candelatech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: remove synchronize_net() from netdev_set_master()Eric Dumazet2011-05-22
| | | | | | | | | | | | | | | | | | | | | In the old days, we used to access dev->master in __netif_receive_skb() in a rcu_read_lock section. So one synchronize_net() call was needed in netdev_set_master() to make sure another cpu could not use old master while/after we release it. We now use netdev_rx_handler infrastructure and added one synchronize_net() call in bond_release()/bond_release_all() Remove the obsolete synchronize_net() from netdev_set_master() and add one in bridge del_nbp() after its netdev_rx_handler_unregister() call. This makes enslave -d a bit faster. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Jiri Pirko <jpirko@redhat.com> CC: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rtnetlink: ignore NETDEV_RELEASE and NETDEV_JOIN eventAmerigo Wang2011-05-22
| | | | | | | These two events are not expected to be caught by userspace. Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: rename NETDEV_BONDING_DESLAVE to NETDEV_RELEASEAmerigo Wang2011-05-22
| | | | | | | | | s/NETDEV_BONDING_DESLAVE/NETDEV_RELEASE/ as Andy suggested. Signed-off-by: WANG Cong <amwang@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Cc: Neil Horman <nhorman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bridge: call NETDEV_JOIN notifiers when add a slaveAmerigo Wang2011-05-22
| | | | | | | | | In the previous patch I added NETDEV_JOIN, now we can notify netconsole when adding a device to a bridge too. Signed-off-by: WANG Cong <amwang@redhat.com> Cc: Neil Horman <nhorman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netpoll: disable netpoll when enslave a deviceAmerigo Wang2011-05-22
| | | | | | | | | | | | | | | | | | | V3: rename NETDEV_ENSLAVE to NETDEV_JOIN Currently we do nothing when we enslave a net device which is running netconsole. Neil pointed out that we may get weird results in such case, so let's disable netpoll on the device being enslaved. I think it is too harsh to prevent the device being ensalved if it is running netconsole. By the way, this patch also removes the NETDEV_GOING_DOWN from netconsole netdev notifier, because netpoll will check if the device is running or not and we don't handle NETDEV_PRE_UP neither. This patch is based on net-next-2.6. Signed-off-by: WANG Cong <amwang@redhat.com> Cc: Neil Horman <nhorman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* macvlan: Forward unicast frames in bridge mode to lowerdevDavid Ward2011-05-22
| | | | | | | | | Unicast frames between macvlan interfaces in bridge mode are not otherwise sent to network taps on the lowerdev (as all other macvlan frames are), so forward the frames to the receive queue of the lowerdev first. Signed-off-by: David Ward <david.ward@ll.mit.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Remove linux/prefetch.h include from linux/skbuff.hDavid S. Miller2011-05-22
| | | | | | No longer needed. Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv4: Include linux/prefetch.h in fib_trie.cDavid S. Miller2011-05-22
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* netlabel: Remove prefetches from list handlers.David S. Miller2011-05-22
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net: add prefetch header for prefetch usersPaul Gortmaker2011-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After discovering that wide use of prefetch on modern CPUs could be a net loss instead of a win, net drivers which were relying on the implicit inclusion of prefetch.h via the list headers showed up in the resulting cleanup fallout. Give them an explicit include via the following $0.02 script. ========================================= #!/bin/bash MANUAL="" for i in `git grep -l 'prefetch(.*)' .` ; do grep -q '<linux/prefetch.h>' $i if [ $? = 0 ] ; then continue fi ( echo '?^#include <linux/?a' echo '#include <linux/prefetch.h>' echo . echo w echo q ) | ed -s $i > /dev/null 2>&1 if [ $? != 0 ]; then echo $i needs manual fixup MANUAL="$i $MANUAL" fi done echo ------------------- 8\<---------------------- echo vi $MANUAL ========================================= Signed-off-by: Paul <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rionet: Remove pointless printk of skb pointer.David S. Miller2011-05-22
| | | | | | Casting to u32 warns anyways. Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Remove prefetches from SKB list handlers.David S. Miller2011-05-22
| | | | | | Noticed by Linus. Signed-off-by: David S. Miller <davem@davemloft.net>
* caif: Plug memory leak for checksum errorsjur.brandeland@stericsson.com2011-05-22
| | | | | | | | | In case of checksum error, the framing layer returns -EILSEQ, but does not free the packet. Plug this hole by freeing the packet if -EILSEQ is returned. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* caif: Update documentation of CAIF transmit and receive functions.sjur.brandeland@stericsson.com2011-05-22
| | | | | | | | | | Trivial patch updating documentation in header files only. Error handling of CAIF transmit errors was changed by commit: caif: Don't resend if dev_queue_xmit fails. This patch updates the documentation accordingly. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* caif: Fix freezes when running CAIF loopback devicesjur.brandeland@stericsson.com2011-05-22
| | | | | | | | Fix spinlock bugs when running out of link-ids in loopback tests and avoid allocating link-id when error is set in link-setup-response. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* caif: Fixes freeze on Link layer removal.sjur.brandeland@stericsson.com2011-05-22
| | | | | | | | | | | | | | | | | | | | CAIF Socket layer - caif_socket.c: - Plug mem-leak at reconnect. - Always call disconnect to cleanup CAIF stack. - Disconnect will always report success. CAIF configuration layer - cfcnfg.c - Disconnect must dismantle the caif stack correctly - Protect against faulty removals (check on id zero) CAIF mux layer - cfmuxl.c - When inserting new service layer in the MUX remove any old entries with the same ID. - When removing CAIF Link layer, remove the associated service layers before notifying service layers. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* caif: Bugfix add check NULL pointer before calling functions.sjur.brandeland@stericsson.com2011-05-22
| | | | | | | | Add check on layer->dn != NULL before calling functions in layer below. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6Linus Torvalds2011-05-22
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'viafb-next' of git://github.com/schandinat/linux-2.6: (24 commits) viafb: Automatic OLPC XO-1.5 configuration viafb: remove unused CEA mode viafb: try to map less memory in case of failure viafb: use write combining for video ram viafb: add X server compatibility mode viafb: reduce OLPC refresh a bit viafb: fix OLPC XO 1.5 device connection viafb: fix OLPC DCON refresh rate viafb: delete clock and PLL initialization viafb: replace custom return values viafb: some small cleanup for global variables viafb: gather common good, old VGA initialization in one place viafb: add engine clock support viafb: add VIA slapping capability viafb: split clock and PLL code to an extra file viafb: add primary/secondary clock on/off switches viafb: add clock source selection and PLL power management support viafb: prepare for PLL separation viafb: call viafb_get_clk_value only in viafb_set_vclock viafb: remove unused max_hres/vres ...
| * viafb: Automatic OLPC XO-1.5 configurationDaniel Drake2011-05-11
| | | | | | | | | | | | | | | | | | | | | | | | | | Currently, a long set of viafb options are needed to get the XO-1.5 laptop to output video (there is only 1 configuration that works, that can't really be autodetected). This patch automatically detects and configures viafb for the XO-1.5 laptop, meaning all that is required for working display is that viafb is loaded. Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| * viafb: remove unused CEA modeFlorian Tobias Schandinat2011-04-26
| | | | | | | | | | | | This trivial patch removes unused mode tables. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| * viafb: try to map less memory in case of failureFlorian Tobias Schandinat2011-04-25
| | | | | | | | | | | | | | | | | | | | | | The current code might result in trying to remap 512MB video ram on a 32 bit system which is quite likely to fail. This patch tries to map less of it down to 8MB as this should still be enough to get a reasonably well working framebuffer. This should make viafb work for many people without requiring them to manually allocate more space. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| * viafb: use write combining for video ramFlorian Tobias Schandinat2011-04-24
| | | | | | | | | | | | This can give a speed up of factor 6-9, which is quite notable. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| * Merge branch 'viafb-pll' into viafb-nextFlorian Tobias Schandinat2011-04-24
| |\ | | | | | | | | | | | | | | | | | | Conflicts: drivers/video/via/viamode.c Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: add X server compatibility modeFlorian Tobias Schandinat2011-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a config option to be compatible with X servers like OpenChrome. This is required as for example the X server does not handle things like disabled IGAs/PLLs resulting in a potential freeze on X startup. With this option disabled we can provide some nice features like power management and not reinitializing the hardware on every mode switch (taking long time, causing flickering). Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: delete clock and PLL initializationFlorian Tobias Schandinat2011-04-01
| | | | | | | | | | | | | | | | | | | | | We do this also in the real program code so there is no reason to do it here too (and here it's hardly readable). Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: add engine clock supportFlorian Tobias Schandinat2011-03-25
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for enabling and configuring the engine on VIAs IGPs. This is the main clock used for everything but pixel output. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: add VIA slapping capabilityFlorian Tobias Schandinat2011-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces dummy functions to execute when we don't know what we should do (due to missing documentation). They do nothing but print a nice message in the log explaining the situation. To trigger this message initial power management support is activated which might save a bit energy by disabling PLL and clock if no device is configured to use them. Note: The message is only shown for the oldest IGPs CLE266 and K400 as for the other platforms there are reasonable assumptions how it does (hopefully) work. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: split clock and PLL code to an extra fileFlorian Tobias Schandinat2011-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is a huge move operation with some rename and introduces an interface to still use the functions. This should be a step in the right direction to reuse the code whenever possible but cleanly separate code that differs on different platform and keeping the complexity as low as possible. pll_config was renamed to via_pll_config to keep the naming scheme. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: add primary/secondary clock on/off switchesFlorian Tobias Schandinat2011-03-23
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds functions to enable/disable the display clocks. It also fixes a tiny bug that slipped in with a previous commit but could not yet have caused any problems. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: add clock source selection and PLL power management supportFlorian Tobias Schandinat2011-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds some support for clock source selection as well as PLL power management. The code is unused at the moment but was successfully tested as far as possible. The implementation is according to the documentation for VX700, VX800, VX855, VX900. Probably the source selection works like this starting with K800 and the power managemennt at least since VX700. (guessed based on the initialization in viamode.c) Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: prepare for PLL separationFlorian Tobias Schandinat2011-03-23
| | | | | | | | | | | | | | | | | | This patch splits some functionality to extra functions. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: call viafb_get_clk_value only in viafb_set_vclockFlorian Tobias Schandinat2011-03-23
| | | | | | | | | | | | | | | | | | | | | | | | As no caller is interested in the result call viafb_get_clk_value directly from viafb_set_vclock to encapsulate the hardware dependend stuff there. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * viafb: allow some pll calculationsFlorian Tobias Schandinat2011-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch allows calculating the pll multiplier within limits based on the previous table. All available information supports that it should be possible/sane to choose the multiplier free within some ranges. Storing the multiplier ranges instead of lots of pll configurations reduces the memory needed and may as well improve the performance. It is also expected to provide better pll values resulting in better frequencies for the connected devices. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| * | Merge branch 'viafb-cleanup' into viafb-nextFlorian Tobias Schandinat2011-04-24
| |\ \
| | * | viafb: replace custom return valuesFlorian Tobias Schandinat2011-03-26
| | | | | | | | | | | | | | | | | | | | | | | | This patch replaces OK/FAIL by true/false which is simpler and saner. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * | viafb: some small cleanup for global variablesFlorian Tobias Schandinat2011-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We do not need viafb_second{,_virtual}_{xres,yres} outside of viafbdev.c so move them there and eliminate the virtual ones where the only sane usage is done during initalization. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * | viafb: gather common good, old VGA initialization in one placeFlorian Tobias Schandinat2011-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch moves all unprotected VGA initialization in one table and provides some documentation for those values. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * | viafb: remove unused max_hres/vresFlorian Tobias Schandinat2011-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes the max_hres and max_vres which are not used at the moment. In general they could be useful but it would be better to get them via any standard EDID implementation and not the buggy incomplete one currently used which is also removed as far as possible. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * | viafb: kill crt_setting_informationFlorian Tobias Schandinat2011-03-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | As the iga path is the only remaining information which is also handled by the active devices there is no reason to keep it. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * | viafb: no need to write CRTC values twiceFlorian Tobias Schandinat2011-03-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Later the correct values will be written so there is no need to write early some values which might be wrong. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
| | * | viafb: move initialization codeFlorian Tobias Schandinat2011-03-21
| | |/ | | | | | | | | | | | | | | | | | | This moves some mode independend initialization code to the function where the other parts of the initialization are. Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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