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2011-06-17btrfs: fix uninitialized return valueDavid Sterba
When allocation fails in btrfs_read_fs_root_no_name, ret is not set although it is returned, holding a garbage value. Signed-off-by: David Sterba <dsterba@suse.cz> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-06-17btrfs: fix wrong reservation when doing delayed inode operationsMiao Xie
We have migrated the space for the delayed inode items from trans_block_rsv to global_block_rsv, but we forgot to set trans->block_rsv to global_block_rsv when we doing delayed inode operations, and the following Oops happened: [ 9792.654889] ------------[ cut here ]------------ [ 9792.654898] WARNING: at fs/btrfs/extent-tree.c:5681 btrfs_alloc_free_block+0xca/0x27c [btrfs]() [ 9792.654899] Hardware name: To Be Filled By O.E.M. [ 9792.654900] Modules linked in: btrfs zlib_deflate libcrc32c ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables arc4 rt61pci rt2x00pci rt2x00lib snd_hda_codec_hdmi mac80211 snd_hda_codec_realtek cfg80211 snd_hda_intel edac_core snd_seq rfkill pcspkr serio_raw snd_hda_codec eeprom_93cx6 edac_mce_amd sp5100_tco i2c_piix4 k10temp snd_hwdep snd_seq_device snd_pcm floppy r8169 xhci_hcd mii snd_timer snd soundcore snd_page_alloc ipv6 firewire_ohci pata_acpi ata_generic firewire_core pata_via crc_itu_t radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan] [ 9792.654919] Pid: 2762, comm: rm Tainted: G W 2.6.39+ #1 [ 9792.654920] Call Trace: [ 9792.654922] [<ffffffff81053c4a>] warn_slowpath_common+0x83/0x9b [ 9792.654925] [<ffffffff81053c7c>] warn_slowpath_null+0x1a/0x1c [ 9792.654933] [<ffffffffa038e747>] btrfs_alloc_free_block+0xca/0x27c [btrfs] [ 9792.654945] [<ffffffffa03b8562>] ? map_extent_buffer+0x6e/0xa8 [btrfs] [ 9792.654953] [<ffffffffa038189b>] __btrfs_cow_block+0xfc/0x30c [btrfs] [ 9792.654963] [<ffffffffa0396aa6>] ? btrfs_buffer_uptodate+0x47/0x58 [btrfs] [ 9792.654970] [<ffffffffa0382e48>] ? read_block_for_search+0x94/0x368 [btrfs] [ 9792.654978] [<ffffffffa0381ba9>] btrfs_cow_block+0xfe/0x146 [btrfs] [ 9792.654986] [<ffffffffa03848b0>] btrfs_search_slot+0x14d/0x4b6 [btrfs] [ 9792.654997] [<ffffffffa03b8562>] ? map_extent_buffer+0x6e/0xa8 [btrfs] [ 9792.655022] [<ffffffffa03938e8>] btrfs_lookup_inode+0x2f/0x8f [btrfs] [ 9792.655025] [<ffffffff8147afac>] ? _cond_resched+0xe/0x22 [ 9792.655027] [<ffffffff8147b892>] ? mutex_lock+0x29/0x50 [ 9792.655039] [<ffffffffa03d41b1>] btrfs_update_delayed_inode+0x72/0x137 [btrfs] [ 9792.655051] [<ffffffffa03d4ea2>] btrfs_run_delayed_items+0x90/0xdb [btrfs] [ 9792.655062] [<ffffffffa039a69b>] btrfs_commit_transaction+0x228/0x654 [btrfs] [ 9792.655064] [<ffffffff8106e8da>] ? remove_wait_queue+0x3a/0x3a [ 9792.655075] [<ffffffffa03a2fa5>] btrfs_evict_inode+0x14d/0x202 [btrfs] [ 9792.655077] [<ffffffff81132bd6>] evict+0x71/0x111 [ 9792.655079] [<ffffffff81132de0>] iput+0x12a/0x132 [ 9792.655081] [<ffffffff8112aa3a>] do_unlinkat+0x106/0x155 [ 9792.655083] [<ffffffff81127b83>] ? path_put+0x1f/0x23 [ 9792.655085] [<ffffffff8109c53c>] ? audit_syscall_entry+0x145/0x171 [ 9792.655087] [<ffffffff81128410>] ? putname+0x34/0x36 [ 9792.655090] [<ffffffff8112b441>] sys_unlinkat+0x29/0x2b [ 9792.655092] [<ffffffff81482c42>] system_call_fastpath+0x16/0x1b [ 9792.655093] ---[ end trace 02b696eb02b3f768 ]--- This patch fix it by setting the reservation of the transaction handle to the correct one. Reported-by: Josef Bacik <josef@redhat.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-06-17btrfs: Remove unused sysfs codeMaarten Lankhorst
Removes code no longer used. The sysfs file itself is kept, because the btrfs developers expressed interest in putting new entries to sysfs. Signed-off-by: Maarten Lankhorst <m.b.lankhorst@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-06-17btrfs: fix dereference of ERR_PTR valueDavid Sterba
smatch reports: btrfs_recover_log_trees error: 'wc.replay_dest' dereferencing possible ERR_PTR() Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-06-17RDMA/cxgb4: Don't exceed hw IQ depth limit for user CQsSteve Wise
Memory allocated for user CQs gets rounded up to the next page boundary. And after rounding, we recalculate the resulting IQ depth and we need to make sure we don't exceed the HW limits. This bug can result a much smaller CQ allocated than was expected if the HW size field is exceeded, resulting in CQ overflow failures. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-06-17Merge branch 'for-chris' of ↵Chris Mason
git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work into for-linus Conflicts: fs/btrfs/transaction.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-06-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Fix no NID error with VIA codecs ALSA: isight: adjust for new queueing API ALSA: 6fire - Fix signedness bug ALSA: lola - Fix section mismatch ALSA: hda - Fix missing static inline to beep dummy function ALSA: 6fire: Fix double-free bug in usb6fire_fw_ezusb_upload() ALSA: hda - Fix beep_device compilation warnings ALSA: hda - Fix wrong auto-mute type for Acer Aspire-one ALSA: emu10k1: Add details for E-mu 0404 PCIe version ALSA: hdspm - Add firmware revision ID for RME MADI PCI version ALSA: hdspm - Fix jumping external wordclock frequency in AutoSync mode ALSA: hdspm - Fix locking in snd_hdspm_midi_input_read
2011-06-17Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: make log devices with write back caches work xfs: fix ->mknod() return value on xfs_get_acl() failure
2011-06-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: Revert "HID: magicmouse: ignore 'ivalid report id' while switching modes" HID: hid-multitouch: fix broken eGalax HID: MAINTAINERS: Update USB HID/HIDBP DRIVERS pattern HID: hid-multitouch: add support for Chunghwa multi-touch panel HID: hiddev: fix use after free in hiddev_release HID: add quirk for HyperPen 10000U HID: hiddev: fix potential use-after-free
2011-06-17Btrfs: fix relocation racesChris Mason
The recent commit to get rid of our trans_mutex introduced some races with block group relocation. The problem is that relocation needs to do some record keeping about each root, and it was relying on the transaction mutex to coordinate things in subtle ways. This fix adds a mutex just for the relocation code and makes sure it doesn't have a big impact on normal operations. The race is really fixed in btrfs_record_root_in_trans, which is where we step back and wait for the relocation code to finish accounting setup. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-06-17Merge branches 'gpio/merge' and 'spi/merge' of ↵Linus Torvalds
git://git.secretlab.ca/git/linux-2.6 * 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6: gpio: add GPIOF_ values regardless on kconfig settings gpio: include linux/gpio.h where needed gpio/omap4: Fix missing interrupts during device wakeup due to IOPAD. * 'spi/merge' of git://git.secretlab.ca/git/linux-2.6: spi/bfin_spi: fix handling of default bits per word setting
2011-06-17Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: OMAP1: PM: register notifiers with generic clock ops even when !PM_RUNTIME omap: pandora: fix NAND support OMAP: PM: omap_device: fix device power domain callbacks OMAP: PM debug: fix section mismatch warnings
2011-06-17KEYS/DNS: Fix ____call_usermodehelper() to not lose the session keyringDavid Howells
____call_usermodehelper() now erases any credentials set by the subprocess_inf::init() function. The problem is that commit 17f60a7da150 ("capabilites: allow the application of capability limits to usermode helpers") creates and commits new credentials with prepare_kernel_cred() after the call to the init() function. This wipes all keyrings after umh_keys_init() is called. The best way to deal with this is to put the init() call just prior to the commit_creds() call, and pass the cred pointer to init(). That means that umh_keys_init() and suchlike can modify the credentials _before_ they are published and potentially in use by the rest of the system. This prevents request_key() from working as it is prevented from passing the session keyring it set up with the authorisation token to /sbin/request-key, and so the latter can't assume the authority to instantiate the key. This causes the in-kernel DNS resolver to fail with ENOKEY unconditionally. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Eric Paris <eparis@redhat.com> Tested-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-17Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem
2011-06-17spi/bfin_spi: fix handling of default bits per word settingMike Frysinger
The default bits per word setting should be 8 bits, but since most of our devices have been explicitly setting this up, we didn't notice when the default stopped working. At the moment, any default transfers without an explicit bit size setting error out with: bfin-spi bfin-spi.0: transfer: unsupported bits_per_word So in the transfer logic, have a bits_per_word setting of 0 fall into the 8 bit transfer logic. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-17SUNRPC: Ensure the RPC client only quits on fatal signalsTrond Myklebust
Fix a couple of instances where we were exiting the RPC client on arbitrary signals. We should only do so on fatal signals. Cc: stable@kernel.org Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-06-17ALSA: hda - Fix no NID error with VIA codecsTakashi Iwai
The via driver spews warnigs like hda-codec: no NID for mapping control Independent HP:0:0 with some codecs because snd_hda_add_nid() is called with nid=0. This patch fixes it by skipping the call when no corresponding widget is found. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-06-17ARM: 6963/1: Thumb-2: Relax relocation requirements for non-function symbolsDave Martin
The "Thumb bit" of a symbol is only really meaningful for function symbols (STT_FUNC). However, sometimes a branch is relocated against a non-function symbol; for example, PC-relative branches to anonymous assembler local symbols are typically fixed up against the start-of-section symbol, which is not a function symbol. Some inline assembler generates references of this type, such as fixup code generated by macros in <asm/uaccess.h>. The existing relocation code for R_ARM_THM_CALL/R_ARM_THM_JUMP24 interprets this case as an error, because the target symbol appears to be an ARM symbol; but this is really not the case, since the target symbol is just a base in these cases. The addend defines the precise offset to the target location, but since the addend is encoded in a non-interworking Thumb branch instruction, there is no explicit Thumb bit in the addend. Because these instructions never interwork, the implied Thumb bit in the addend is 1, and the destination is Thumb by definition. This patch removes the extraneous Thumb bit check for non-function symbols, enabling modules containing the affected relocation types to be loaded. No modification to the actual relocation code is required, since this code does not take bit[0] of the location->destination offset into account in any case. Function symbols are always checked for interworking conflicts, as before. Signed-off-by: Dave Martin <dave.martin@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-06-17ARM: 6962/1: mach-h720x: fix build errorLinus Walleij
The h7201/h7202 machines did not build since they define ARM_DMA_ZONE_OFFSET but do not select ZONE_DMA. Fix it up by selecting ZONE_DMA in their Kconfig. Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-06-17ARM: 6959/1: SMP build fix for entry-macro-multi.SMagnus Damm
The assembly code in entry-macro-multi.S does not build without the include asm/assembler.h in the case of CONFIG_SMP=y. Fixes the rather theoretical SMP build of mach-shmobile/entry-intc.c: arch/arm/include/asm/entry-macro-multi.S: Assembler messages: arch/arm/include/asm/entry-macro-multi.S:20: Error: bad instruction `alt_smp(test_for_ipi r0,r6,r5,lr)' arch/arm/include/asm/entry-macro-multi.S:20: Error: bad instruction `alt_up_b(9997f)' make[1]: *** [arch/arm/mach-shmobile/entry-intc.o] Error 1 make: *** [arch/arm/mach-shmobile] Error 2 make: *** Waiting for unfinished jobs.... Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-06-17ALSA: isight: adjust for new queueing APIClemens Ladisch
Since commit 13882a82ee16 (optimize iso queueing by setting wake only after the last packet), drivers are required to call fw_iso_context_queue_flush() after queueing a batch of packets. The missing call would have an effect only if the controller queue underruns, but then the DMA would stop completely. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-06-17generic-ipi: Fix kexec boot crash by initializing call_single_queue before ↵Takao Indoh
enabling interrupts There is a problem that kdump(2nd kernel) sometimes hangs up due to a pending IPI from 1st kernel. Kernel panic occurs because IPI comes before call_single_queue is initialized. To fix the crash, rename init_call_single_data() to call_function_init() and call it in start_kernel() so that call_single_queue can be initialized before enabling interrupts. The details of the crash are: (1) 2nd kernel boots up (2) A pending IPI from 1st kernel comes when irqs are first enabled in start_kernel(). (3) Kernel tries to handle the interrupt, but call_single_queue is not initialized yet at this point. As a result, in the generic_smp_call_function_single_interrupt(), NULL pointer dereference occurs when list_replace_init() tries to access &q->list.next. Therefore this patch changes the name of init_call_single_data() to call_function_init() and calls it before local_irq_enable() in start_kernel(). Signed-off-by: Takao Indoh <indou.takao@jp.fujitsu.com> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Milton Miller <miltonm@bga.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: kexec@lists.infradead.org Link: http://lkml.kernel.org/r/D6CBEE2F420741indou.takao@jp.fujitsu.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-06-17netdev: bfin_mac: fix memory leak when freeing dma descriptorsSonic Zhang
The size of the desc array is not the size of the desc structure, so when we try to free up things, we leak some parts. Reported-by: Regis Dargent <rdargent@edevice.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-17vlan: don't call ndo_vlan_rx_register on hardware that doesn't have vlan supportAntoine Reversat
This patch removes the call to ndo_vlan_rx_register if the underlying device doesn't have hardware support for VLAN. Signed-off-by: Antoine Reversat <a.reversat@gmail.com> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16caif: Bugfix - XOFF removed channel from caif-muxsjur.brandeland@stericsson.com
XOFF was mixed up with DOWN indication, causing causing CAIF channel to be removed from mux and all incoming traffic to be lost after receiving flow-off. Fix this by replacing FLOW_OFF with DOWN notification. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16tun: teach the tun/tap driver to support netpollNeil Horman
Commit 8d8fc29d02a33e4bd5f4fa47823c1fd386346093 changed the behavior of slave devices in regards to netpoll. Specifically it created a mutually exclusive relationship between being a slave and a netpoll-capable device. This creates problems for KVM because guests relied on needing netconsole active on a slave device to a bridge. Ideally libvirtd could just attach netconsole to the bridge device instead, but thats currently infeasible, because while the bridge device supports netpoll, it requires that all slave interface also support it, but the tun/tap driver currently does not. The most direct solution is to teach tun/tap to support netpoll, which is implemented by the patch below. I've not tested this yet, but its pretty straightforward. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Reported-by: Rik van Riel <riel@redhat.com> CC: Rik van Riel <riel@redhat.com> CC: Maxim Krasnyansky <maxk@qualcomm.com> CC: Cong Wang <amwang@redhat.com> CC: "David S. Miller" <davem@davemloft.net> Reviewed-by: Rik van Riel <riel@redhat.com> Tested-by: Rik van Riel <riel@redhat.com> Reviewed-by: WANG Cong <amwang@redhat.com> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16dp83640: drop PHY status frames in the driver.Richard Cochran
The dp83640 PHY provides time stamp and other information via special PHY status frames. Previously, the driver decoded the frames and then let the network stack drop them. This works fine when the PTP messages come over UDP. However, when receiving PTP messages via L2 packets, this creates a problem. The status frames use the official PTP destination MAC address, and so they are delivered to user space along with the "real" frames, causing confusion for applications. This commit fixes the issue by simply dropping the PHY status frames in the driver. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16dp83640: fix phy status frame event parsingRichard Cochran
If two eternal time stamp events occur at nearly the same time, the phyter will add an extra word into the status frame. This commit fixes the parsing code to recognize and skip over the extra word. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16phylib: Allow BCM63XX PHY to be selected only on BCM63XX.Ralf Baechle
This PHY is available integrated into BCM63xx series SOCs only. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> drivers/net/phy/Kconfig | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) Acked-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16ppp: use PPP_TRANS instead of the magic number 0x20Changli Gao
Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16MAINTAINERS: Update EBTABLES mailing listJoe Perches
It moved to netfilter-devel@vger.kernel.org. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16IGMP snooping: set mrouters_only flag for IPv6 traffic properlyFernando Luis Vázquez Cao
Upon reception of a MGM report packet the kernel sets the mrouters_only flag in a skb that is a clone of the original skb, which means that the bridge loses track of MGM packets (cb buffers are tied to a specific skb and not shared) and it ends up forwading join requests to the bridge interface. This can cause unexpected membership timeouts and intermitent/permanent loss of connectivity as described in RFC 4541 [2.1.1. IGMP Forwarding Rules]: A snooping switch should forward IGMP Membership Reports only to those ports where multicast routers are attached. [...] Sending membership reports to other hosts can result, for IGMPv1 and IGMPv2, in unintentionally preventing a host from joining a specific multicast group. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16IGMP snooping: set mrouters_only flag for IPv4 traffic properlyFernando Luis Vázquez Cao
Upon reception of a IGMP/IGMPv2 membership report the kernel sets the mrouters_only flag in a skb that may be a clone of the original skb, which means that sometimes the bridge loses track of membership report packets (cb buffers are tied to a specific skb and not shared) and it ends up forwading join requests to the bridge interface. This can cause unexpected membership timeouts and intermitent/permanent loss of connectivity as described in RFC 4541 [2.1.1. IGMP Forwarding Rules]: A snooping switch should forward IGMP Membership Reports only to those ports where multicast routers are attached. [...] Sending membership reports to other hosts can result, for IGMPv1 and IGMPv2, in unintentionally preventing a host from joining a specific multicast group. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Tested-by: Hayato Kakuta <kakuta.hayato@oss.ntt.co.jp> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16net/usb: Add Samsung Kalmia driver for Samsung GT-B3730Marius B. Kotsbak
Introducing driver for the network port of Samsung Kalmia based USB LTE modems. It has also an ACM interface that previous patches associates with the "option" module. To access those interfaces, the modem must first be switched from modem mode using a tool like usb_modeswitch. As the proprietary protocol has been discovered by watching the MS Windows driver behavior, there might be errors in the protocol handling, but stable and fast connection has been established for hours with Norwegian operator NetCom that distributes this modem with their LTE/4G subscription. More and updated information about how to use this driver is available here: http://www.draisberghof.de/usb_modeswitch/bb/viewtopic.php?t=465 https://github.com/mkotsbak/Samsung-GT-B3730-linux-driver Signed-off-by: Marius B. Kotsbak <marius@kotsbak.com> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2011-06-16Merge branch 'drm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/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: use helper functions for fence read/write drm/radeon/kms: set DP link config properly for DP bridges drm/radeon/kms/atom: AdjustPixelClock fixes for DP bridges drm/radeon/kms: fix handling of DP to LVDS bridges drm/radeon/kms: issue blank/unblank commands for ext encoders drm/radeon/kms: fix support for DDC on dp bridges drm/radeon/kms: add support for load detection on dp bridges drm/radeon/kms: add missing external encoder action drm/radeon/kms: rework atombios_get_encoder_mode() drm/radeon/kms: fix num crtcs for Cedar and Caicos Revert "drm/i915: Enable GMBUS for post-gen2 chipsets" drivers/gpu/drm: use printk_ratelimited instead of printk_ratelimit drm/radeon: workaround a hw bug on some radeon chipsets with all-0 EDIDs. drm: make debug levels match in edid failure code. drm/radeon/kms: clear wb memory by default drm/radeon/kms: be more pedantic about the g5 quirk (v2) drm/radeon/kms: signed fix for evergreen thermal drm: populate irq_by_busid-member for pci
2011-06-17drm/radeon/kms: use helper functions for fence read/writeAlex Deucher
The existing code assumed scratch registers in a number of places while in most cases we are be using writeback and events rather than scratch registers. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms: set DP link config properly for DP bridgesAlex Deucher
DP clock and lanes were not set properly for DP bridges. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms/atom: AdjustPixelClock fixes for DP bridgesAlex Deucher
Need to set the external transmitter type properly in AdjustPixelClock to get the properly output. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms: fix handling of DP to LVDS bridgesAlex Deucher
They need to be treated like eDP rather than DP. May fix: https://bugzilla.kernel.org/show_bug.cgi?id=34822 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms: issue blank/unblank commands for ext encodersAlex Deucher
Required for DPMS on some systems. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms: fix support for DDC on dp bridgesAlex Deucher
Need to set up the bridge for DDC prior to the i2c over aux transaction. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms: add support for load detection on dp bridgesAlex Deucher
dp to vga bridges for example. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms: add missing external encoder actionAlex Deucher
required for ddc. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms: rework atombios_get_encoder_mode()Alex Deucher
This should give us more reliable results if the table is called before an active device is set. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17drm/radeon/kms: fix num crtcs for Cedar and CaicosAlex Deucher
Only support 4 rather than 6. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-17Revert "drm/i915: Enable GMBUS for post-gen2 chipsets"Jean Delvare
Revert commit 8f9a3f9b63b8cd3f03be9dc53533f90bd4120e5f. This fixes a hang when loading the eeprom driver (see bug #35572.) GMBUS will be re-enabled later, differently. Signed-off-by: Jean Delvare <khali@linux-fr.org> Reported-by: Marek Otahal <markotahal@gmail.com> Tested-by: Yermandu Patapitafious <yermandu.dev@gmail.com> Tested-by: Andrew Lutomirski <luto@mit.edu> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-06-16rcu: Move RCU_BOOST #ifdefs to header filePaul E. McKenney
The commit "use softirq instead of kthreads except when RCU_BOOST=y" just applied #ifdef in place. This commit is a cleanup that moves the newly #ifdef'ed code to the header file kernel/rcutree_plugin.h. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2011-06-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/linux-2.6-nsfdLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/linux-2.6-nsfd: proc: Fix Oops on stat of /proc/<zombie pid>/ns/net
2011-06-16migrate: don't account swapcache as shmemAndrea Arcangeli
swapcache will reach the below code path in migrate_page_move_mapping, and swapcache is accounted as NR_FILE_PAGES but it's not accounted as NR_SHMEM. Hugh pointed out we must use PageSwapCache instead of comparing mapping to &swapper_space, to avoid build failure with CONFIG_SWAP=n. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Hugh Dickins <hughd@google.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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