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* powerpc/ps3: ps3_repository_read_mm_info() takes u64 * argumentsStephen Rothwell2009-01-161-9/+8
| | | | | | | | | | | Fixes compiler warnings: arch/powerpc/platforms/ps3/mm.c:1205: warning: passing argument 2 of 'ps3_repository_read_mm_info' from incompatible pointer type arch/powerpc/platforms/ps3/mm.c:1205: warning: passing argument 3 of 'ps3_repository_read_mm_info' from incompatible pointer type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/ps3: clear_bit()/set_bit() operate on unsigned longsStephen Rothwell2009-01-161-1/+3
| | | | | | | | | | | This fixes these compiler warning: arch/powerpc/platforms/ps3/interrupt.c:109: warning: passing argument 2 of 'clear_bit' from incompatible pointer type arch/powerpc/platforms/ps3/interrupt.c:130: warning: passing argument 2 of 'set_bit' from incompatible pointer type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/ps3: The lv1_ routines have u64 parametersStephen Rothwell2009-01-165-37/+49
| | | | | | | | | | | | | | | | | | We just fix up the reference parameters as the others are dealt with by arithmetic promotion rules and don't cause warnings. This removes warnings like this: arch/powerpc/platforms/ps3/interrupt.c:327: warning: passing argument 1 of 'lv1_construct_event_receive_port' from incompatible pointer type Also, these: drivers/ps3/ps3-vuart.c:462: warning: passing argument 4 of 'ps3_vuart_raw_read' from incompatible pointer type drivers/ps3/ps3-vuart.c:592: warning: passing argument 4 of 'ps3_vuart_raw_read' from incompatible pointer type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/ps3: Use dma_addr_t down through the stackStephen Rothwell2009-01-163-21/+23
| | | | | | | | | | | | | | Push the dma_addr_t type usage all the way down to where the actual values are manipulated. Now that u64 is "unsigned long long", this removes warnings like: arch/powerpc/platforms/ps3/system-bus.c:532: warning: passing argument 4 of 'ps3_dma_map' from incompatible pointer type arch/powerpc/platforms/ps3/system-bus.c:649: warning: passing argument 4 of 'ps3_dma_map' from incompatible pointer type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc/ps3: set_dabr() takes an unsigned longStephen Rothwell2009-01-161-1/+1
| | | | | | | | | | Also silences this warning: arch/powerpc/platforms/ps3/setup.c:275: warning: initialization from incompatible pointer type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* powerpc: Cleanup from l64 to ll64 change drivers/scsiStephen Rothwell2009-01-162-10/+10
| | | | | | | This is a powerpc specific driver. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds2009-01-152-13/+37
|\ | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: sched_slice() fixlet sched: fix update_min_vruntime sched: SCHED_OTHER vs SCHED_IDLE isolation sched: SCHED_IDLE weight change sched: fix bandwidth validation for UID grouping Revert "sched: improve preempt debugging"
| * sched: sched_slice() fixletLin Ming2009-01-151-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | Mike's change: 0a582440f "sched: fix sched_slice())" broke group scheduling by forgetting to reload cfs_rq on each loop. This patch fixes aim7 regression and specjbb2005 regression becomes less than 1.5% on 8-core stokley. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Tested-by: Jayson King <dev@jaysonking.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sched: fix update_min_vruntimePeter Zijlstra2009-01-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix SCHED_IDLE latency problems OK, so we have 1 running task A (which is obviously curr and the tree is equally obviously empty). 'A' nicely chugs along, doing its thing, carrying min_vruntime along as it goes. Then some whacko speed freak SCHED_IDLE task gets inserted due to SMP balancing, which is very likely far right, in that case update_curr update_min_vruntime cfs_rq->rb_leftmost := true (the crazy task sitting in a tree) vruntime = se->vruntime and voila, min_vruntime is waaay right of where it ought to be. OK, so why did I write it like that to begin with... Aah, yes. Say we've just dequeued current schedule deactivate_task(prev) dequeue_entity update_min_vruntime Then we'll set vruntime = cfs_rq->min_vruntime; we find !cfs_rq->curr, but do find someone in the tree. Then we _must_ do vruntime = se->vruntime, because vruntime = min_vruntime(vruntime := cfs_rq->min_vruntime, se->vruntime) will not advance vruntime, and cause lags the other way around (which we fixed with that initial patch: 1af5f730fc1bf7c62ec9fb2d307206e18bf40a69 (sched: more accurate min_vruntime accounting). Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Tested-by: Mike Galbraith <efault@gmx.de> Acked-by: Mike Galbraith <efault@gmx.de> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sched: SCHED_OTHER vs SCHED_IDLE isolationPeter Zijlstra2009-01-151-8/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | Stronger SCHED_IDLE isolation: - no SCHED_IDLE buddies - never let SCHED_IDLE preempt on wakeup - always preempt SCHED_IDLE on wakeup - limit SLEEPER fairness for SCHED_IDLE. Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sched: SCHED_IDLE weight changePeter Zijlstra2009-01-151-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Increase the SCHED_IDLE weight from 2 to 3, this gives much more stable vruntime numbers. time advanced in 100ms: weight=2 64765.988352 67012.881408 88501.412352 weight=3 35496.181411 34130.971298 35497.411573 Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sched: fix bandwidth validation for UID groupingPeter Zijlstra2009-01-151-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: make rt-limit tunables work again Mark Glines reported: > I've got an issue on x86-64 where I can't configure the system to allow > RT tasks for a non-root user. > > In 2.6.26.5, I was able to do the following to set things up nicely: > echo 450000 >/sys/kernel/uids/0/cpu_rt_runtime > echo 450000 >/sys/kernel/uids/1000/cpu_rt_runtime > > Seems like every value I try to echo into the /sys files returns EINVAL. For UID grouping we initialize the root group with infinite bandwidth which by default is actually more than the global limit, therefore the bandwidth check always fails. Because the root group is a phantom group (for UID grouping) we cannot runtime adjust it, therefore we let it reflect the global bandwidth settings. Reported-by: Mark Glines <mark@glines.org> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * Revert "sched: improve preempt debugging"Ingo Molnar2009-01-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 7317d7b87edb41a9135e30be1ec3f7ef817c53dd. This has been reported (and bisected) by Alexey Zaytsev and Kamalesh Babulal to produce annoying warnings during bootup on both x86 and powerpc. kernel_locked() is not a valid test in IRQ context (we update the BKL's ->lock_depth and the preempt count separately and non-atomicalyy), so we cannot put it into the generic preempt debugging checks which can run in IRQ contexts too. Reported-and-bisected-by: Alexey Zaytsev <alexey.zaytsev@gmail.com> Reported-and-bisected-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2009-01-151-11/+0
|\ \ | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix UP build failure.
| * | sparc64: Fix UP build failure.David S. Miller2009-01-131-11/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sparc_ksyms_64.c includes asm/spinlock.h directly, which is a no-no. Even better, none of these exports are even necessary. All of these functions are inlines. Reported by Meelis Roos and Alexander Beregalov. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2009-01-1576-658/+942
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (95 commits) b44: GFP_DMA skb should not escape from driver korina: do not use IRQF_SHARED with IRQF_DISABLED korina: do not stop queue here korina: fix handling tx_chain_tail korina: do tx at the right position korina: do schedule napi after testing for it korina: rework korina_rx() for use with napi korina: disable napi on close and restart korina: reset resource buffer size to 1536 korina: fix usage of driver_data bnx2x: First slow path interrupt race bnx2x: MTU Filter bnx2x: Indirection table initialization index bnx2x: Missing brackets bnx2x: Fixing the doorbell size bnx2x: Endianness issues bnx2x: VLAN tagged packets without VLAN offload bnx2x: Protecting the link change indication bnx2x: Flow control updated before reporting the link bnx2x: Missing mask when calculating flow control ...
| * | | b44: GFP_DMA skb should not escape from driverEric Dumazet2009-01-152-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | b44 chip has some hardware limitations, that need GFP_DMA bounce buffers in some situations. In order to not deplete DMA zone, we should keep allocated GFP_DMA skb only for driver use. At rx time, we copy such skb to newly allocated skb, reusing existing copybreak infrastructure. On machines with low amount of memory, all skb meet the hardware limitation, so no copy is needed. We detect this situation using a new device flag, set to one if one GFP_DMA skb was ever allocated by b44_alloc_rx_skb(). Previously allocated skb, even outside from DMA zone will then be recycled, to have minimal impact on DMA zone use. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Tested-by: Ionut Leonte <ionut.leonte@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: do not use IRQF_SHARED with IRQF_DISABLEDPhil Sutter2009-01-151-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As the kernel warning states: "IRQF_DISABLED is not guaranteed on shared IRQs". Since these IRQs' values are hardcoded and my test system doesn't show any shared use of IRQs at all, rather make them non-shared than non-disabled. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: do not stop queue herePhil Sutter2009-01-151-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Apparently this doesn't make sense. Otherwise the queue gets disabled as soon as it's getting empty and can only be resurrected by a driver restart. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: fix handling tx_chain_tailPhil Sutter2009-01-151-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Originally this must have been a rewrite error when introducing 'chain_index'. But the original driver did not use the previous chain item everywhere: when altering the address tx_chain_tail points to, it should move forward, not backwards. Also this is not an "index" but rather the penultimate element in the chain, so rename it accordingly. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: do tx at the right positionPhil Sutter2009-01-151-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Triggering TX before the write to the DMA status mask register leads to transferring packets with maximum payload no matter what the actual packet size is. While here, also trigger RX scheduling after writing the DMA status mask register, like it was in the original driver before it was sent upstream. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: do schedule napi after testing for itPhil Sutter2009-01-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The called netif_rx_schedule() does all the work for us: - it checks the return value of netif_rx_schedule_prep() and - if everything is ok calls __netif_rx_schedule(). Before this change, the driver received absolutely nothing. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: rework korina_rx() for use with napiPhil Sutter2009-01-151-56/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This function needs an early exit condition to function properly, or else caller assumes napi workload wasn't enough to handle all received packets and korina_rx is called again (and again and again and ...). Signed-off-by: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: disable napi on close and restartPhil Sutter2009-01-151-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Without this the driver will crash when the NIC is being restarted. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: reset resource buffer size to 1536Phil Sutter2009-01-151-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new value is the one used in the external patch before and allows at least a standard MTU of 1500 to be handled correctly. Impact of this change gets visible when bigger packets are to be received, issuing: | ping -s 492 <IP> and bigger payload sized led to 100% packet loss. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Acked-by: Florian Fainelli <florian@openwrt.org Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | korina: fix usage of driver_dataPhil Sutter2009-01-151-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using platform_set_drvdata() here makes no sense, since the driver_data field has already been filled with valuable data (i.e. the MAC address). Also having driver_data point to the net_device is rather pointless since struct korina_device contains an apropriate field for it. Signed-off-by: Phil Sutter <n0-1@freewrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: First slow path interrupt raceEilon Greenstein2009-01-151-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "read for interrupts" flag must be set before enabling slow-path interrupts as well (and not just before fast-path interrupts) Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: MTU FilterEilon Greenstein2009-01-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Too big packets could pass due to wrong filter size Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Indirection table initialization indexEilon Greenstein2009-01-151-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Wrong initialization of the multi-queue indirection table - it should be using the function and not the port index Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Missing bracketsEilon Greenstein2009-01-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Calculation bug due to missing brackets Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Fixing the doorbell sizeEilon Greenstein2009-01-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The size of the doorbell is 4KB, this bug become visible when using more than 8 queues Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Endianness issuesEilon Greenstein2009-01-151-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adding missing le_to_cpu and disabling wrong HW endianity flag (the two complete each other) Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: VLAN tagged packets without VLAN offloadEilon Greenstein2009-01-152-14/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Wrong handling of tagged packet if VLAN offload is disabled caused packets to get corrupted Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Protecting the link change indicationEilon Greenstein2009-01-151-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Without this lock, in some race conditions the driver missed link change indication Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Flow control updated before reporting the linkEilon Greenstein2009-01-151-1/+2
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Missing mask when calculating flow controlEilon Greenstein2009-01-151-1/+2
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Using system page size for SGEEilon Greenstein2009-01-152-16/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the page size is not 4KB, the FW must be programmed to work with the right SGE boundaries and fragment list length. To avoid confusion with the BCM_PAGE_SIZE which is set to 4KB for the FW sake, another alias for the system page size was added to explicitly indicate that it is meant for the SGE Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Missing memory barriersEilon Greenstein2009-01-151-2/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While working on IA64, it became clear that the following memory barriers are missing Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | bnx2x: Using singlethread work queueEilon Greenstein2009-01-152-6/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since slow-path events, including link update, are handled in work-queue, a race condition was introduced in the self-test that sometimes caused the link status to fail: the self-test was running under RTNL lock, and if the link-watch was scheduled it stoped the shared work-queue (waiting for the RTNL lock) and so the link update event was not handled until the self-test ended (releasing the RTNL lock) with failure (since the link status was not updated) Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | can: fix slowpath issue in hrtimer callback functionOliver Hartkopp2009-01-141-27/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to the loopback functionality in can_send() we can not invoke it from hardirq context which was done inside the bcm_tx_timeout_handler() hrtimer callback: [ 700.361154] [<c012228c>] warn_slowpath+0x80/0xb6 [ 700.361163] [<c013d559>] valid_state+0x125/0x136 [ 700.361171] [<c013d858>] mark_lock+0x18e/0x332 [ 700.361180] [<c013e300>] __lock_acquire+0x12e/0xb1e [ 700.361189] [<f8ab5915>] bcm_tx_timeout_handler+0x0/0xbc [can_bcm] [ 700.361198] [<c031e20a>] dev_queue_xmit+0x191/0x479 [ 700.361206] [<c01262a7>] __local_bh_disable+0x2b/0x64 [ 700.361213] [<c031e20a>] dev_queue_xmit+0x191/0x479 [ 700.361225] [<f8aa69a1>] can_send+0xd7/0x11a [can] [ 700.361235] [<f8ab522b>] bcm_can_tx+0x9d/0xd9 [can_bcm] [ 700.361245] [<f8ab597f>] bcm_tx_timeout_handler+0x6a/0xbc [can_bcm] [ 700.361255] [<f8ab5915>] bcm_tx_timeout_handler+0x0/0xbc [can_bcm] [ 700.361263] [<c0134143>] __run_hrtimer+0x5a/0x86 [ 700.361273] [<f8ab5915>] bcm_tx_timeout_handler+0x0/0xbc [can_bcm] [ 700.361282] [<c0134a50>] hrtimer_interrupt+0xb9/0x110 This patch moves the rest of the functionality from the hrtimer callback to the already existing tasklet to fix this slowpath problem. Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | ax88796: start_xmit fix using net_device_opsMagnus Damm2009-01-141-6/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch hooks up the start_xmit/tx_timeout/get_stats callbacks in the ax88796 driver since they no longer are installed by the lib8390 code. Without this patch the function dev_hard_start_xmit() crashes due to a start_xmit callback with the value NULL. While at it, update the ax88796 driver to make use of use of struct net_device_ops. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | net: Add init_dummy_netdev() and fix EMAC driver using itBenjamin Herrenschmidt2009-01-144-1/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds an init_dummy_netdev() function that gets a network device structure (allocation and lifetime entirely under caller's control) and initialize the minimum amount of fields so it can be used to schedule NAPI polls without registering a full blown interface. This is to be used by drivers that need to tie several hardware interfaces to a single NAPI poll scheduler due to HW limitations. It also updates the ibm_newemac driver to use that, this fixing the oops on 2.6.29 due to passing NULL as "dev" to netif_napi_add() Symbol is exported GPL only a I don't think we want binary drivers doing that sort of acrobatics (if we want them at all). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Tested-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | drivers/net/irda/irda-usb.c: fix buffer overflowJos-Vicente Gilabert2009-01-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Taken from http://bugzilla.kernel.org/show_bug.cgi?id=12397 We're doing an sprintf of an 11-char string into an 11-char buffer. Whoops. It breaks firmware uploading. Reported-by: Jos-Vicente Gilabert <josevteg@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | netxen: handle dma mapping failuresDhananjay Phadke2009-01-143-40/+67
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | o Bail out if pci_map_single() fails while replenishing rx ring. o Drop packet if pci_map_{single,page}() fail in tx. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | netxen: hold tx lock while sending firmware commandsDhananjay Phadke2009-01-141-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some firmware commands like mac address addition/deletion are sent on the transmit ring. So need to hold the tx lock before touching tx producer/consumer indices. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | netxen: cleanup mac list on driver unloadDhananjay Phadke2009-01-143-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a tiny memory leak when driver is unloaded. The mac address list maintained in netxen_adapter needs to deleted when driver is going down. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | netxen: firmware init fixDhananjay Phadke2009-01-143-37/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | o Fix order or rom register writes. o Reduce udelays when writing rom registers. This cuts the firmware init time by 40%. o Do not reset core/memory clocks when reinitializing driver. Firmware willl handle this when initialized. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | netxen: fix link speed reporting for some boardsDhananjay Phadke2009-01-144-18/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | o Read negotiated link speed when link state changes. o Fix link speed reporting for hybrid nic boards, which have both 1Gbps and 10Gbps ports. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | netxen: fix ipv6 offload and tx cleanupDhananjay Phadke2009-01-143-91/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | o fix the ip/tcp hdr offset in tx descriptors for ipv6. o cleanup xmit function, move the tso checks into separate function, this reduces unnecessary endian conversions back and forth. o optimize macros to initialize tx descriptors. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | netxen: fix endianness in firmware commandsDhananjay Phadke2009-01-144-97/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | o Set restricted (little endian) data types in firmware command requests and responses. o Remove unnecessary conversion to LE when writing registers. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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