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2008-12-30V4L/DVB (9593): cx18: Add outgoing mailbox mutexes and check for ack via ↵Andy Walls
waitq vs poll Add mutexes to ensure exclusive access for outgoing driver to CX23418 mailboxes. Also wait on a waitq for mailbox acknowledgement from the CX23418 instead of polling. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-30V4L/DVB (9592): cx18: Use default kernel work queue; fix streaming flag for ↵Andy Walls
work handler cx18: Use default kernel work queue; fix streaming flag for work handler. Eliminate cx18 specific work queue and use the kernel default work queue. Fixed the F_STREAMING_FLAG for the TS stream so cx18_dvb_work_handler() can know when it is not safe to send MDLs to the firmware. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-30V4L/DVB (9558): gspca: Add the light frequency control for the sensor ↵Jean-Francois Moine
HV7131B in zc3xx Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-30V4L/DVB (9513): cx18: Reduce number of mmio read retriesAndy Walls
cx18: Reduce number of mmio read retries to improve performance. Experiments have shown 2 things: read retries never improve the result of a suspect mmio read from the CX23418 (the result stays all 0xff's), and that most of the suspected read failures are actually proper reads of values that should be all 0xff's. This change reduces the number of read retries and keeps the count separate from write retries. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-30V4L/DVB (9442): Revert back previous change to 90MHzManu Abraham
Note: * At High Symbol Rates we do not have enouph machine cycles to handle the incoming symbols and hence might run into problems at the very end of the specified definition * Most of the equations have been calculated for a master clock of 99 MHz, running at 90MHz, raises lot of issues such as the need to recalculate all of them , which is eventually very painful. Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-30V4L/DVB (9431): Bug ID #19: Diseqc works properly at 90MHz only on Cut 1.1 ↵Manu Abraham
and 2.0 Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-30V4L/DVB (9425): Initialize at 90MHz itselfManu Abraham
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29RDMA/addr: Fix build breakage when IPv6 is disabledRoland Dreier
Commit 38617c64 ("RDMA/addr: Add support for translating IPv6 addresses") broke the build when CONFIG_IPV6=n, because the ib_addr module unconditionally attempted to call ipv6_chk_addr() and other IPv6 functions that are not defined when IPv6 is disabled. Fix this by only building IPv6 support if CONFIG_IPV6 is turned on, and add a Kconfig dependency to prevent the ib_addr code from being built in when IPv6 is built modular. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-12-29net: Fix percpu counters deadlockHerbert Xu
When we converted the protocol atomic counters such as the orphan count and the total socket count deadlocks were introduced due to the mismatch in BH status of the spots that used the percpu counter operations. Based on the diagnosis and patch by Peter Zijlstra, this patch fixes these issues by disabling BH where we may be in process context. Reported-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits: netRusty Russell
In future all cpumask ops will only be valid (in general) for bit numbers < nr_cpu_ids. So use that instead of NR_CPUS in iterators and other comparisons. This is always safe: no cpu number can be >= nr_cpu_ids, and nr_cpu_ids is initialized to NR_CPUS at boot. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29drivers/net/usb: use USB API functions rather than constantsJulia Lawall
This set of patches introduces calls to the following set of functions: usb_endpoint_dir_in(epd) usb_endpoint_dir_out(epd) usb_endpoint_is_bulk_in(epd) usb_endpoint_is_bulk_out(epd) usb_endpoint_is_int_in(epd) usb_endpoint_is_int_out(epd) usb_endpoint_num(epd) usb_endpoint_type(epd) usb_endpoint_xfer_bulk(epd) usb_endpoint_xfer_control(epd) usb_endpoint_xfer_int(epd) usb_endpoint_xfer_isoc(epd) In some cases, introducing one of these functions is not possible, and it just replaces an explicit integer value by one of the following constants: USB_ENDPOINT_XFER_BULK USB_ENDPOINT_XFER_CONTROL USB_ENDPOINT_XFER_INT USB_ENDPOINT_XFER_ISOC In drivers/net/wireless/zd1211rw/zd_usb.c the code: (endpoint->bEndpointAddress & USB_TYPE_MASK) == USB_DIR_OUT is suspicious. If it is intended to use USB_ENDPOINT_DIR_MASK rather than USB_TYPE_MASK, then the whole conditional test could be converted to a call to usb_endpoint_is_bulk_in. An extract of the semantic patch that makes these changes is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r1@ struct usb_endpoint_descriptor *epd; @@ - ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) == - \(USB_ENDPOINT_XFER_CONTROL\|0\)) + usb_endpoint_xfer_control(epd) @r5@ struct usb_endpoint_descriptor *epd; @@ - ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) == - \(USB_DIR_IN\|0x80\)) + usb_endpoint_dir_in(epd) @inc@ @@ #include <linux/usb.h> @depends on !inc && (r1||r5)@ @@ + #include <linux/usb.h> #include <linux/usb/...> // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29cls_cgroup: clean up KconfigLi Zefan
cls_cgroup can't be compiled as a module, since it's not supported by cgroup. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29cls_cgroup: clean up for cgroup partLi Zefan
- It's better to use container_of() instead of casting cgroup_subsys_state * to cgroup_cls_state *. - Add helper function task_cls_state(). - Rename net_cls_state() to cgrp_cls_state(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29cls_cgroup: fix an oops when removing a cgroupLi Zefan
When removing a cgroup, an oops was triggered immediately. The cause is wrong kfree() in cgrp_destroy(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29EtherExpress16: fix printing timed out statusRoel Kluin
in drivers/net/eexpress.c:558, function unstick_cu() while (!SCB_complete(rsst=scb_status(dev))) { ... if (...) printk(KERN_WARNING "%s: Reset timed out status %04x, retrying...\n", dev->name,rsst); } but this will become while (!((rsst = scb_status(dev) & 0x8000) != 0) ... because of the macro: #define SCB_complete(s) ((s&0x8000)!=0) so rsst can only become either 0x8000 or 0, but in the latter case the loop ends, I think the wrong timed out status is printed. This also cleans up similar macros. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29mlx4_en: Added "set_ringparam" Ethtool interface implementationYevgeny Petrilin
Now using Ethtool to determine ring sizes, removed the module parameters that controlled those values. Modifying ring size requires restart of the interface. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29mlx4_en: Always allocate RX ring for each interrupt vectorYevgeny Petrilin
Removed module parameter specifying number of RX rings Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29mlx4_en: Verify number of RX rings doesn't exceed MAX_RX_RINGSYevgeny Petrilin
Required in cases were dev->caps.num_comp_vectors > MAX_RX_RINGS. For current values this would happen on machines that have more then 16 cores. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29IPVS: Make "no destination available" message more consistent between schedulersSimon Horman
Acked-by: Graeme Fowler <graeme@graemef.net> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29net: KS8695: removed duplicated #includeHuang Weiyi
Removed duplicated include in drivers/net/arm/ks8695net.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29tun: Fix SIOCSIFHWADDR error.Kusanagi Kouichi
Set proper operations. Signed-off-by: Kusanagi Kouichi <slash@ma.neweb.ne.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29smsc911x: compile fix re netif_rx signature changesAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29netns: foreach_netdev_safe is insufficient in default_device_exitEric W. Biederman
During network namespace teardown we either move or delete all of the network devices associated with a network namespace. In the case of veth devices deleting one will also delete it's pair device. If both devices are in the same network namespace then for_each_netdev_safe is insufficient as next may point to the second veth device we have deleted. To avoid problems I do what we do in __rtnl_kill_links and restart the scan of the device list, after we have deleted a device. Currently dev_change_netnamespace does not appear to suffer from this problem, but wireless devices are also paired and likely should be moved between network namespaces together. So I have errored on the side of caution and restart the scan of the network devices in that case as well. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29net: make xfrm_statistics_seq_show use generic snmp_fold_fieldRusty Russell
No reason to roll our own here. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-29net: Fix more NAPI interface netdev argument drop fallout.Kamalesh Babulal
I hit similar build failure due to the change in the netif_rx_reschedule() drivers/net/ehea/ehea_main.c: In function 'ehea_poll': drivers/net/ehea/ehea_main.c:844: warning: passing argument 1 of 'netif_rx_reschedule' from incompatible pointer type drivers/net/ehea/ehea_main.c:844: error: too many arguments to function 'netif_rx_reschedule' make[3]: *** [drivers/net/ehea/ehea_main.o] Error 1 greping through the sources for the changes missed out, we have ./drivers/net/arm/ixp4xx_eth.c:507: netif_rx_reschedule(dev, napi)) { ./drivers/net/arm/ep93xx_eth.c:310: if (more && netif_rx_reschedule(dev, napi)) ./drivers/net/wan/ixp4xx_hss.c:657: netif_rx_reschedule(dev, napi)) { Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-30lguest: struct device - replace bus_id with dev_name()Mark McLoughlin
bus_id is gradually being removed, so use dev_name() instead. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30lguest: move the initial guest page table creation code to the hostMatias Zabaljauregui
This patch moves the initial guest page table creation code to the host, so the launcher keeps working with PAE enabled configs. Signed-off-by: Matias Zabaljauregui <zabaljauregui@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30kvm-s390: implement config_changed for virtio on s390Christian Borntraeger
This patch implements config_changed for the s390 virtio transport. We use the least significant bit of the interrupt parameter field to decide, if this interrupt should call the virtio virtqueue callback or the config_changed callback. This method is compatible with old host and guest code. Old 64 bit guests will not check the bit and trigger a harmless additional vring_interrupt call. Old host code will never set this bit, this is also safe. This patch also takes care of a potential future 31 bit virtio transport for s390. On 31 bit _LC_PFAULT_INTPARM and __LC_EXT_PARAMS are identical. We exploit the alignment of the token and fold the change bit into the lsb of the token itself. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio_console: support console resizingChristian Borntraeger
this patch uses the new hvc callback hvc_resize to set the window size which allows to change the tty size of hvc_console via a hvc_resize function. I have added a new feature bit VIRTIO_CONSOLE_F_SIZE. The driver will change the window size on tty open and via the config_changed callback of the transport. Currently lguest and kvm_s390 have not implemented this callback, but the callback can be implemented at a later point in time. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio: add PCI device release() functionMark McLoughlin
Add a release() function for virtio_pci devices so as to avoid: Device 'virtio0' does not have a release() function, it is broken and must be fixed Move the code to free the resources associated with the device from virtio_pci_remove() into this new function. virtio_pci_remove() now merely unregisters the device which should cause the final ref to be dropped and virtio_pci_release_dev() to be called. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Reported-by: Michael Tokarev <mjt@tls.msk.ru> Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio_blk: fix type warningRandy Dunlap
Fix parameter type warning: linux-next-20081126/drivers/block/virtio_blk.c:307: warning: large integer implicitly truncated to unsigned type Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio: block: dynamic maximum segmentsRusty Russell
Enhance the driver to handle whatever maximum segment number the host tells us to handle. Do to this, we need to allocate the scatterlist dynamically. We set max_phys_segments and max_hw_segments to the same value (1 if the host doesn't tell us, since that's safest and all known hosts do tell us). Note that kmalloc'ing the structure for large sg_elems might be problematic: the fix for this is sg_table, but that requires more work. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio: set max_segment_size and max_sectors to infinite.Rusty Russell
Setting max_segment_size allows more than 64k per sg element, unless the host specified a limit. Setting max_sectors indicates that our max_hw_segments is the only limit. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio: avoid implicit use of Linux page size in balloon interfaceHollis Blanchard
Make the balloon interface always use 4K pages, and convert Linux pfns if necessary. This patch assumes that Linux's PAGE_SHIFT will never be less than 12. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (modified)
2008-12-30virtio: hand virtio ring alignment as argument to vring_new_virtqueueRusty Russell
This allows each virtio user to hand in the alignment appropriate to their virtio_ring structures. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
2008-12-30virtio: use KVM_S390_VIRTIO_RING_ALIGN instead of relying on pagesizeRusty Russell
This doesn't really matter, since s390 pagesize is 4k anyway. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
2008-12-30virtio: use LGUEST_VRING_ALIGN instead of relying on pagesizeRusty Russell
This doesn't really matter, since lguest is i386 only at the moment, but we could actually choose a different value. (lguest doesn't have a guarenteed ABI). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio: Don't use PAGE_SIZE for vring alignment in virtio_pci.Rusty Russell
That doesn't work for non-4k guests which are now appearing. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio: rename 'pagesize' arg to vring_init/vring_sizeRusty Russell
It's really the alignment desired for consumer/producer separation; historically this x86 pagesize, but with PowerPC it'll still be x86 pagesize. And in theory lguest could choose a different value. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio: Don't use PAGE_SIZE in virtio_pci.cRusty Russell
The virtio PCI devices don't depend on the guest page size. This matters now PowerPC virtio is gaining ground (they like 64k pages). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
This patch is part of a larger patch series which will remove the "char bus_id[20]" name string from struct device. The device name is managed in the kobject anyway, and without any size limitation, and just needlessly copied into "struct device". To set and read the device name dev_name(dev) and dev_set_name(dev) must be used. If your code uses static kobjects, which it shouldn't do, "const char *init_name" can be used to statically provide the name the registered device should have. At registration time, the init_name field is cleared, to enforce the use of dev_name(dev) to access the device name at a later time. We need to get rid of all occurrences of bus_id in the entire tree to be able to enable the new interface. Please apply this patch, and possibly convert any remaining remaining occurrences of bus_id. We want to submit a patch to -next, which will remove bus_id from "struct device", to find the remaining pieces to convert, and finally switch over to the new api, which will remove the 20 bytes array and does no longer have a size limitation. Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-12-30virtio-pci queue allocation not page-alignedHollis Blanchard
kzalloc() does not guarantee page alignment, and in fact this broke when I enabled CONFIG_SLUB_DEBUG_ON. (Thanks to Anthony Liguori for spotting the missing kfree sub) Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (fixed kfree) Tested-by: Anthony Liguori <aliguori@us.ibm.com>
2008-12-29V4L/DVB (9767): em28xx: improve board description messagesMauro Carvalho Chehab
Print manufacturer/product info from USB device and also card entry. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29V4L/DVB (9766): em28xx: improve probe messagesMauro Carvalho Chehab
Prints usb speed used by em28xx interface. While there, fixes USB ID's endiannes. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29V4L/DVB (9765): em28xx: move tuner gpio's to the cards structMauro Carvalho Chehab
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29V4L/DVB (9764): em28xx: Add support for suspend the device when not usedMauro Carvalho Chehab
Several chips may be turned off when the device is not used, like audio, video and dvb demods. This patch adds a gpio callback at the core structs to allow turning off such devices. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29V4L/DVB (9763): em28xx: fix gpio settingsMauro Carvalho Chehab
A previous changeset moved gpio from em28xx struct into em28xx_board. However, the driver were not updated to properly honor those gpio's. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29V4L/DVB (9762): em28xx: fix tuner absent entriesMauro Carvalho Chehab
Before this patch, several devices without tuner were kept the value 0 for tuner_type. However, this means TUNER_TEMIC_PAL. Replace those entries for the proper TUNER_ABSENT value. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29V4L/DVB (9761): em28xx: replace magic numbers for mux aliasesMauro Carvalho Chehab
Instead of using magic vmux/amux, let's use an alias where possible. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29V4L/DVB (9760): em28xx: move gpio lines into board table descriptionMauro Carvalho Chehab
Instead of a large, ugly switch specifying the gpio tables for each device, let's move it into the boards struct. This also helps to see what boards have already the gpio's for DVB. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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