- 04 May, 2012 14 commits
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Linus Torvalds authored
We really need to use a ACCESS_ONCE() on the sequence value read in __read_seqcount_begin(), because otherwise the compiler might end up reloading the value in between the test and the return of it. As a result, it might end up returning an odd value (which means that a write is in progress). If the reader is then fast enough that that odd value is still the current one when the read_seqcount_retry() is done, we might end up with a "successful" read sequence, even despite the concurrent write being active. In practice this probably never really happens - there just isn't anything else going on around the read of the sequence count, and the common case is that we end up having a read barrier immediately afterwards. So the code sequence in which gcc might decide to reaload from memory is small, and there's no reason to believe it would ever actually do the reload. But if the compiler ever were to decide to do so, it would be incredibly annoying to debug. Let's just make sure. Cc: stable@kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Some minor fixes from Intel and a radeon fix. I have the nouveau fix for the i2c regression queued for next week, its mostly a revert and seems to work on the system it was originally introduced for thanks to some i2c core changes." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon: clarify and extend wb setup on APUs and NI+ asics drm/i915: enable dip before writing data on gen4 fixing dmi match for hp t5745 and hp st5747 thin client drm/i915: Only enable IPS polling for gen5 drm/i915: Do not read non-existent DPLL registers on PCH hardware
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git://neil.brown.name/mdLinus Torvalds authored
Pull one small fix for md/bitmaps from NeilBrown: "This fixes a regression that was introduced in the merge window." * tag 'md-3.4-fixes' of git://neil.brown.name/md: md/bitmap: fix calculation of 'chunks' - missing shift.
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Linus Torvalds authored
Jana Saout confirmed that this fixes the page faults he saw. His problem was triggered by ocfs2 and autofs symlink lookups, where the symlink allocation was at the end of a page. But the deeper reason seems to be the use of Xen-PV, which is what then causes him to have all these unmapped pages, which is what then makes it a problem when the unaligned word-at-a-time code fetches data past the end of a page. * fix-unmapped-word-at-a-time: vfs: make word-at-a-time accesses handle a non-existing page
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Alex Deucher authored
Use family rather than DCE check for clarity, also always use wb on APUs, there will never be AGP variants. Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Reviewed-by:
Michel Dänzer <michel.daenzer@amd.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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NeilBrown authored
commit 61a0d80c "md/bitmap: discard CHUNK_BLOCK_SHIFT macro" replaced CHUNK_BLOCK_RATIO() by the same text that was replacing CHUNK_BLOCK_SHIFT() - which is clearly wrong. The result is that 'chunks' is often too small by 1, which can sometimes result in a crash (not sure how). So use the correct replacement, and get rid of CHUNK_BLOCK_RATIO which is no longe used. Reported-by:
Karl Newman <siliconfiend@gmail.com> Tested-by:
Karl Newman <siliconfiend@gmail.com> Signed-off-by:
NeilBrown <neilb@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6Linus Torvalds authored
Pull second set of MFD fixes from Samuel Ortiz: "This time we only have a one liner fixing an omap-usb build error." * tag 'mfd-for-linus-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: mfd: Fix build breakage in omap-usb-host.c
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Linus Torvalds authored
* efi-vars: efivars: Improve variable validation
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Matthew Garrett authored
Ben Hutchings pointed out that the validation in efivars was inadequate - most obviously, an entry with size 0 would server as a DoS against the kernel. Improve this based on his suggestions. Signed-off-by:
Matthew Garrett <mjg@redhat.com> Cc: stable@vger.kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-devLinus Torvalds authored
Pull libata fixes from Jeff Garzik: 1) Fix regression that could cause a misdiagnosis, which in turn could lead to an erroneous 3.0 Gbps -> 1.5 downshift, particularly when hotplug and suspend/resume is involved. 2) Fix a regression that led to ata%d controller ids being numbered one larger than in <= 3.4-rc3 (oh, the horror!). Controller ids should now be as expected. 3) add some DT, PCI id's 4) ata/pata_arasan_cf: minor cpp fixing/cleaning * tag 'tag/upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: ata: ahci_platform: Add synopsys ahci controller in DT's compatible list ata/pata_arasan_cf: Move arasan_cf_pm_ops out of #ifdef, #endif macros libata: init ata_print_id to 0 ahci: Detect Marvell 88SE9172 SATA controller libata: skip old error history when counting probe trials
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git://git.pengutronix.de/git/wsa/linuxLinus Torvalds authored
Pull i2c embedded fixes from Wolfram Sang: "Here are some typical i2c driver bugfixes for 3.4. Missed clock handling, improper timeout fixes, hardware wrokarounds... All patches have been in linux-next for a few days, too." * 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux: i2c: mxs: disable QUEUE when sending is done i2c: mxs: handle spurious interrupt i2c-eg20t: Modify MODULE_AUTHOR's email address i2c-eg20t: change timeout value 50msec to 1000msec i2c: tegra: Add delay before resetting the controller after NACK i2c: pnx: Disable clk in suspend
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Just some regression fixes from Ben along with a variable that gcc failed to spot is uninitialised." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: nouveau: initialise has_optimus variable. drm/nv10/gpio: fix thinko in mask for gpio lines 2-9 nvc0/fb: shut up PMFB interrupt after the first occurrence drm/nouveau/hdmi: use correct hdmi regs for nvaa/nvac drm/nouveau/bios: fix regression on some nv4x board
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Transfer padding was wrong for full-speed USB in ASIX driver, fix from Ingo van Lil. 2) Propagate the negative packet offset fix into the PowerPC BPF JIT. From Jan Seiffert. 3) dl2k driver's private ioctls were letting unprivileged tasks make MII writes and other ugly bits like that. Fix from Jeff Mahoney. 4) Fix TX VLAN and RX packet drops in ucc_geth, from Joakim Tjernlund. 5) OOPS and network namespace fixes in IPVS from Hans Schillstrom and Julian Anastasov. 6) Fix races and sleeping in locked context bugs in drop_monitor, from Neil Horman. 7) Fix link status indication in smsc95xx driver, from Paolo Pisati. 8) Fix bridge netfilter OOPS, from Peter Huang. 9) L2TP sendmsg can return on error conditions with the socket lock held, oops. Fix from Sasha Levin. 10) udp_diag should return meaningful values for socket memory usage, from Shan Wei. 11) Eric Dumazet is so awesome he gets his own section: Socket memory cgroup code (I never should have applied those patches, grumble...) made erroneous changes to sk_sockets_allocated_read_positive(). It was changed to use percpu_counter_sum_positive (which requires BH disabling) instead of percpu_counter_read_positive (which does not). Revert back to avoid crashes and lockdep warnings. Adjust the default tcp_adv_win_scale and tcp_rmem[2] values to fix throughput regressions. This is necessary as a result of our more precise skb->truesize tracking. Fix SKB leak in netem packet scheduler. 12) New device IDs for various bluetooth devices, from Manoj Iyer, AceLan Kao, and Steven Harms. 13) Fix command completion race in ipw2200, from Stanislav Yakovlev. 14) Fix rtlwifi oops on unload, from Larry Finger. 15) Fix hard_mtu when adjusting hard_header_len in smsc95xx driver. From Stephane Fillod. 16) ehea driver registers it's IRQ before all the necessary state is setup, resulting in crashes. Fix from Thadeu Lima de Souza Cascardo. 17) Fix PHY connection failures in davinci_emac driver, from Anatolij Gustschin. 18) Missing break; in switch statement in bluetooth's hci_cmd_complete_evt(). Fix from Szymon Janc. 19) Fix queue programming in iwlwifi, from Johannes Berg. 20) Interrupt throttling defaults not being actually programmed into the hardware, fix from Jeff Kirsher and Ying Cai. 21) TLAN driver SKB encoding in descriptor busted on 64-bit, fix from Benjamin Poirier. 22) Fix blind status block RX producer pointer deref in TG3 driver, from Matt Carlson. 23) Promisc and multicast are busted on ehea, fixes from Thadeu Lima de Souza Cascardo. 24) Fix crashes in 6lowpan, from Alexander Smirnov. 25) tcp_complete_cwr() needs to be careful to not rewind the CWND to ssthresh if ssthresh has the "infinite" value. Fix from Yuchung Cheng. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (81 commits) sungem: Fix WakeOnLan tcp: change tcp_adv_win_scale and tcp_rmem[2] net: l2tp: unlock socket lock before returning from l2tp_ip_sendmsg drop_monitor: prevent init path from scheduling on the wrong cpu usbnet: fix failure handling in usbnet_probe usbnet: fix leak of transfer buffer of dev->interrupt ucc_geth: Add 16 bytes to max TX frame for VLANs net: ucc_geth, increase no. of HW RX descriptors netem: fix possible skb leak sky2: fix receive length error in mixed non-VLAN/VLAN traffic sky2: propogate rx hash when packet is copied net: fix two typos in skbuff.h cxgb3: Don't call cxgb_vlan_mode until q locks are initialized ixgbe: fix calling skb_put on nonlinear skb assertion bug ixgbe: Fix a memory leak in IEEE DCB igbvf: fix the bug when initializing the igbvf smsc75xx: enable mac to detect speed/duplex from phy smsc75xx: declare smsc75xx's MII as GMII capable smsc75xx: fix phy interrupt acknowledge smsc75xx: fix phy init reset loop ...
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds authored
Pull hwmon fixes from Guenter Roeck: "Fix OOPS seen in coretemp driver if the CPU core ID is too large" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (coretemp) Increase CPU core limit hwmon: (coretemp) fix oops on cpu unplug
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- 03 May, 2012 17 commits
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Linus Torvalds authored
It turns out that there are more cases than CONFIG_DEBUG_PAGEALLOC that can have holes in the kernel address space: it seems to happen easily with Xen, and it looks like the AMD gart64 code will also punch holes dynamically. Actually hitting that case is still very unlikely, so just do the access, and take an exception and fix it up for the very unlikely case of it being a page-crosser with no next page. And hey, this abstraction might even help other architectures that have other issues with unaligned word accesses than the possible missing next page. IOW, this could do the byte order magic too. Peter Anvin fixed a thinko in the shifting for the exception case. Reported-and-tested-by:
Jana Saout <jana@saout.de> Cc: Peter Anvin <hpa@zytor.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Viresh Kumar authored
SPEAr13xx series of SoCs contain Synopsys AHCI SATA Controller which shares ahci_platform driver with other controller versions. This patch updates DT compatible list for ahci_platform. It also updates and renames binding documentation to more generic name. Signed-off-by:
Viresh Kumar <viresh.kumar@st.com> Cc: Rob Herring <rob.herring@calxeda.com> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com>
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Viresh Kumar authored
#ifdef, #endif is not required in definition/usage of arasan_cf_pm_ops. So, move this definition and its usage outside of them. Signed-off-by:
Viresh Kumar <viresh.kumar@st.com> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com>
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Tero Roponen authored
When comparing the dmesg between 3.4-rc3 and 3.4-rc4 I found the following differences: -ata1: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff100 irq 47 -ata2: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff180 irq 47 -ata3: DUMMY +ata2: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff100 irq 47 +ata3: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff180 irq 47 ata4: DUMMY ata5: DUMMY -ata6: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff380 irq 47 +ata6: DUMMY +ata7: SATA max UDMA/133 abar m2048@0xf9fff000 port 0xf9fff380 irq 47 The change of numbering comes from commit 85d6725b ("libata: make ata_print_id atomic") that changed lines like ap->print_id = ata_print_id++; to ap->print_id = atomic_inc_return(&ata_print_id); As the latter behaves like ++ata_print_id, we must initialize it to zero to start the numbering from one. Signed-off-by:
Tero Roponen <tero.roponen@gmail.com> Acked-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com>
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Matt Johnson authored
The Marvell 88SE9172 SATA controller (PCI ID 1b4b 917a) already worked once it was detected, but was missing an ahci_pci_tbl entry. Boot tested on a Gigabyte Z68X-UD3H-B3 motherboard. Signed-off-by:
Matt Johnson <johnso87@illinois.edu> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com>
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Lin Ming authored
Commit d9027470("[libata] Add ATA transport class") introduced ATA_EFLAG_OLD_ER to mark entries in the error ring as cleared. But ata_count_probe_trials_cb() didn't check this flag and it still counts the old error history. So wrong probe trials count is returned and it causes problem, for example, SATA link speed is slowed down from 3.0Gbps to 1.5Gbps. Fix it by checking ATA_EFLAG_OLD_ER in ata_count_probe_trials_cb(). Cc: stable <stable@vger.kernel.org> # 2.6.37+ Signed-off-by:
Lin Ming <ming.m.lin@intel.com> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com>
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git://people.freedesktop.org/~danvet/drm-intelDave Airlie authored
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel: drm/i915: enable dip before writing data on gen4 fixing dmi match for hp t5745 and hp st5747 thin client drm/i915: Only enable IPS polling for gen5 drm/i915: Do not read non-existent DPLL registers on PCH hardware
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Paulo Zanoni authored
While testing with the intel_infoframes tool on gen4, I see that when video DIP is disabled, what we write to the DATA memory is not exactly what we read back later. This regression has been introduce in commit 64a8fc01 Author: Jesse Barnes <jbarnes@virtuousgeek.org> Date: Thu Sep 22 11:16:00 2011 +0530 drm/i915: fix ILK+ infoframe support That commit was setting VIDEO_DIP_CTL to 0 when initializing, which caused the problem. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=43947 Cc: stable@kernel.org Tested-by:
Yang Guang <guang.a.yang@intel.com> Signed-off-by:
Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by:
Eugeni Dodonov <eugeni.dodonov@intel.com> [danvet: Pimped commit message by using the usual commit citation layout.] Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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Dave Airlie authored
We should initialise this to 0 really to avoid getting false positives. Cc: stable@vger.kernel.org Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Gerard Lledo authored
WakeOnLan was broken in this driver because gp->asleep_wol is a 1-bit bitfield and it was being assigned WAKE_MAGIC, which is (1 << 5). gp->asleep_wol remains 0 and the machine never wakes up. Fixed by casting gp->wake_on_lan to bool. Tested on an iBook G4. Signed-off-by:
Gerard Lledo <gerard.lledo@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
tcp_adv_win_scale default value is 2, meaning we expect a good citizen skb to have skb->len / skb->truesize ratio of 75% (3/4) In 2.6 kernels we (mis)accounted for typical MSS=1460 frame : 1536 + 64 + 256 = 1856 'estimated truesize', and 1856 * 3/4 = 1392. So these skbs were considered as not bloated. With recent truesize fixes, a typical MSS=1460 frame truesize is now the more precise : 2048 + 256 = 2304. But 2304 * 3/4 = 1728. So these skb are not good citizen anymore, because 1460 < 1728 (GRO can escape this problem because it build skbs with a too low truesize.) This also means tcp advertises a too optimistic window for a given allocated rcvspace : When receiving frames, sk_rmem_alloc can hit sk_rcvbuf limit and we call tcp_prune_queue()/tcp_collapse() too often, especially when application is slow to drain its receive queue or in case of losses (netperf is fast, scp is slow). This is a major latency source. We should adjust the len/truesize ratio to 50% instead of 75% This patch : 1) changes tcp_adv_win_scale default to 1 instead of 2 2) increase tcp_rmem[2] limit from 4MB to 6MB to take into account better truesize tracking and to allow autotuning tcp receive window to reach same value than before. Note that same amount of kernel memory is consumed compared to 2.6 kernels. Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Tom Herbert <therbert@google.com> Cc: Yuchung Cheng <ycheng@google.com> Acked-by:
Neal Cardwell <ncardwell@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Sasha Levin authored
l2tp_ip_sendmsg could return without releasing socket lock, making it all the way to userspace, and generating the following warning: [ 130.891594] ================================================ [ 130.894569] [ BUG: lock held when returning to user space! ] [ 130.897257] 3.4.0-rc5-next-20120501-sasha #104 Tainted: G W [ 130.900336] ------------------------------------------------ [ 130.902996] trinity/8384 is leaving the kernel with locks still held! [ 130.906106] 1 lock held by trinity/8384: [ 130.907924] #0: (sk_lock-AF_INET){+.+.+.}, at: [<ffffffff82b9503f>] l2tp_ip_sendmsg+0x2f/0x550 Introduced by commit 2f16270f ("l2tp: Fix locking in l2tp_ip.c"). Signed-off-by:
Sasha Levin <levinsasha928@gmail.com> Acked-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Neil Horman authored
I just noticed after some recent updates, that the init path for the drop monitor protocol has a minor error. drop monitor maintains a per cpu structure, that gets initalized from a single cpu. Normally this is fine, as the protocol isn't in use yet, but I recently made a change that causes a failed skb allocation to reschedule itself . Given the current code, the implication is that this workqueue reschedule will take place on the wrong cpu. If drop monitor is used early during the boot process, its possible that two cpus will access a single per-cpu structure in parallel, possibly leading to data corruption. This patch fixes the situation, by storing the cpu number that a given instance of this per-cpu data should be accessed from. In the case of a need for a reschedule, the cpu stored in the struct is assigned the rescheule, rather than the currently executing cpu Tested successfully by myself. Signed-off-by:
Neil Horman <nhorman@tuxdriver.com> CC: David Miller <davem@davemloft.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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tom.leiming@gmail.com authored
If register_netdev returns failure, the dev->interrupt and its transfer buffer should be released, so just fix it. Signed-off-by:
Ming Lei <tom.leiming@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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tom.leiming@gmail.com authored
The transfer buffer of dev->interrupt is allocated in .probe path, but not freed in .disconnet path, so mark the interrupt URB as URB_FREE_BUFFER to free the buffer when the URB is destroyed. Signed-off-by:
Ming Lei <tom.leiming@gmail.com> Acked-by:
Oliver Neukum <oneukum@suse.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Joakim Tjernlund authored
Creating a VLAN interface on top of ucc_geth adds 4 bytes to the frame and the HW controller is not prepared to TX a frame bigger than 1518 bytes which is 4 bytes too small for a full VLAN frame. Add 16 bytes which will handle the a simple VLAN and leaves 12 bytes for future expansion. Signed-off-by:
Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Joakim Tjernlund authored
In a busy network we see ucc_geth is dropping RX pkgs every now and then. Increase the RX queues HW descriptors from 16 to 32 to deal with this. Signed-off-by:
Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 02 May, 2012 8 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB patches from Greg Kroah-Hartman: "Here are two EHCI Tegra driver patches for your tree. The first is a bit big, but the majority is just moving code around. It is needed due to the other EHCI core changes that went in way back in 3.4-rc1, so this driver will now properly handle suspend/resume, as it was broken. The other one is a minor bugfix that resolves an warning that people have been seeing." * tag 'usb-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: ehci-tegra: remove redundant gpio_set_value EHCI: update PM methods in ehci-tegra.c
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull a TTY fix from Greg Kroah-Hartman: "This is a deadlock bugfix that was easy to hit, and that the vt layer lock rework got wrong, so it reverts the logic back to the way it was in 3.3 and earlier kernels to prevent problems." * tag 'tty-3.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: vt: Fix deadlock on scroll-lock
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Marc Gariepy authored
Match the correct information which is DMI_PRODUCT_NAME instead of DMI_BOARD_NAME See dmidecode information on launchpad for both thin client: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911920 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911916Signed-off-by:
Marc Gariepy <mgariepy@ubuntu.com> Reviewed-by:
Adam Jackson <ajax@redhat.com> Signed-Off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
Pull NFS client bugfixes from Trond Myklebust: - Fixes for the NFSv4 security negotiation - Use the correct hostname when mounting from a private namespace - NFS net namespace bugfixes for the pipefs filesystem - NFSv4 GETACL bugfixes - IPv6 bugfix for NFSv4 referrals * tag 'nfs-for-3.4-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4.1: Use the correct hostname in the client identifier string SUNRPC: RPC client must use the current utsname hostname string NFS: get module in idmap PipeFS notifier callback NFS: Remove unused function nfs_lookup_with_sec() NFS: Honor the authflavor set in the clone mount data NFS: Fix following referral mount points with different security NFS: Do secinfo as part of lookup NFS: Handle exceptions coming out of nfs4_proc_fs_locations() NFS: Fix SECINFO_NO_NAME SUNRPC: traverse clients tree on PipeFS event SUNRPC: set per-net PipeFS superblock before notification SUNRPC: skip clients with program without PipeFS entries SUNRPC: skip dead but not buried clients on PipeFS events Avoid beyond bounds copy while caching ACL Avoid reading past buffer when calling GETACL fix page number calculation bug for block layout decode buffer NFSv4.1 fix page number calculation bug for filelayout decode buffers pnfs-obj: Remove unused variable from objlayout_get_deviceinfo() nfs4: fix referrals on mounts that use IPv6 addrs
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Chris Wilson authored
On SandyBridge IPS was entirely implemented in hardware and not reliant on the driver monitoring power consumption and feeding back desired run states, so the hardware is able to adapt quicker and more flexibly. Which is a huge relief for us as we no longer have to carry empirically derived magic algorithms. Yet despite the advance in technology, the driver was still doing its IPS polling on all machines. Restrict it to the only supported hardware, Clarkdale/Arrandale. Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by:
Jesse Barnes <jbarnes@virtuousgeek.org> Tested-by:
Andrey Rahmatullin <wrar@wrar.name> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=49025Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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Chris Wilson authored
We only execute intel_decrease_pllclock for pre-PCH hardware, typically gen4 mobiles. However, in the variable declaration we did read from the non-PCH DPLL register, quite naughty and detected by SandyBridge. Reported-and-tested-by:
Andrey Rahmatullin <wrar@wrar.name> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=49025Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Signed-Off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktestLinus Torvalds authored
Pull two bug fixes in ktest from Steven Rostedt. * tag 'ktest-for-v3.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: Fix reboot on success stopping all reboots ktest.pl: Fix combined usage of BISECT_REVERSE and BISECT_SKIP
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git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds authored
Pull MIPS fixes from Ralf Baechle: "misc fixes some of which are also applicable to 3.3 and removal of an unused function. This has been sitting in -next for ages with no complaints. Also there are no known regressions due to these patches" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Remove get_current_pgd(). MIPS: ath79: fix AR933X WMAC reset code MIPS: JZ4740: Fix the JZ4740_IRQ_DMA macro MIPS: Use set_current_blocked() and block_sigmask()
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- 01 May, 2012 1 commit
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John W. Linville authored
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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