- 08 May, 2013 33 commits
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Konrad Rzeszutek Wilk authored
commit 888b65b4 upstream. In the PVHVM path when we do CPU online/offline path we would leak the timer%d IRQ line everytime we do a offline event. The online path (xen_hvm_setup_cpu_clockevents via x86_cpuinit.setup_percpu_clockev) would allocate a new interrupt line for the timer%d. But we would still use the old interrupt line leading to: kernel BUG at /home/konrad/ssd/konrad/linux/kernel/hrtimer.c:1261! invalid opcode: 0000 [#1] SMP RIP: 0010:[<ffffffff810b9e21>] [<ffffffff810b9e21>] hrtimer_interrupt+0x261/0x270 .. snip.. <IRQ> [<ffffffff810445ef>] xen_timer_interrupt+0x2f/0x1b0 [<ffffffff81104825>] ? stop_machine_cpu_stop+0xb5/0xf0 [<ffffffff8111434c>] handle_irq_event_percpu+0x7c/0x240 [<ffffffff811175b9>] handle_percpu_irq+0x49/0x70 [<ffffffff813a74a3>] __xen_evtchn_do_upcall+0x1c3/0x2f0 [<ffffffff813a760a>] xen_evtchn_do_upcall+0x2a/0x40 [<ffffffff8167c26d>] xen_hvm_callback_vector+0x6d/0x80 <EOI> [<ffffffff81666d01>] ? start_secondary+0x193/0x1a8 [<ffffffff81666cfd>] ? start_secondary+0x18f/0x1a8 There is also the oddity (timer1) in the /proc/interrupts after offlining CPU1: 64: 1121 0 xen-percpu-virq timer0 78: 0 0 xen-percpu-virq timer1 84: 0 2483 xen-percpu-virq timer2 This patch fixes it. Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Konrad Rzeszutek Wilk authored
commit 7918c92a upstream. When we online the CPU, we get this splat: smpboot: Booting Node 0 Processor 1 APIC 0x2 installing Xen timer for CPU 1 BUG: sleeping function called from invalid context at /home/konrad/ssd/konrad/linux/mm/slab.c:3179 in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/1 Pid: 0, comm: swapper/1 Not tainted 3.9.0-rc6upstream-00001-g3884fad #1 Call Trace: [<ffffffff810c1fea>] __might_sleep+0xda/0x100 [<ffffffff81194617>] __kmalloc_track_caller+0x1e7/0x2c0 [<ffffffff81303758>] ? kasprintf+0x38/0x40 [<ffffffff813036eb>] kvasprintf+0x5b/0x90 [<ffffffff81303758>] kasprintf+0x38/0x40 [<ffffffff81044510>] xen_setup_timer+0x30/0xb0 [<ffffffff810445af>] xen_hvm_setup_cpu_clockevents+0x1f/0x30 [<ffffffff81666d0a>] start_secondary+0x19c/0x1a8 The solution to that is use kasprintf in the CPU hotplug path that 'online's the CPU. That is, do it in in xen_hvm_cpu_notify, and remove the call to in xen_hvm_setup_cpu_clockevents. Unfortunatly the later is not a good idea as the bootup path does not use xen_hvm_cpu_notify so we would end up never allocating timer%d interrupt lines when booting. As such add the check for atomic() to continue. Signed-off-by:
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Heiko Carstens authored
commit 94c16366 upstream. In case a machine supports memory hotplug all active memory increments present at IPL time have been initialized with a "usecount" of 1. This is wrong if the memory increment size is larger than the memory section size of the memory hotplug code. If that is the case the usecount must be initialized with the number of memory sections that fit into one memory increment. Otherwise it is possible to put a memory increment into standby state even if there are still active sections. Afterwards addressing exceptions might happen which cause the kernel to panic. However even worse, if a memory increment was put into standby state and afterwards into active state again, it's contents would have been zeroed, leading to memory corruption. This was only an issue for machines that support standby memory and have at least 256GB memory. This is broken since commit fdb1bb15 "[S390] sclp/memory hotplug: fix initial usecount of increments". Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Reviewed-by:
Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Tormod Volden authored
commit 671b4b2b upstream. Many cards based on CY7C68300A/B/C use the USB ID 04b4:6830 but only the B and C variants (EZ-USB AT2LP) support the ATA Command Block functionality, according to the data sheets. The A variant (EZ-USB AT2) locks up if ATACB is attempted, until a typical 30 seconds timeout runs out and a USB reset is performed. https://bugs.launchpad.net/bugs/428469 It seems that one way to spot a CY7C68300A (at least where the card manufacturer left Cypress' EEPROM default vaules, against Cypress' recommendations) is to look at the USB string descriptor indices. A http://media.digikey.com/pdf/Data%20Sheets/Cypress%20PDFs/CY7C68300A.pdf B http://www.farnell.com/datasheets/43456.pdf C http://www.cypress.com/?rID=14189 Note that a CY7C68300B/C chip appears as CY7C68300A if it is running in Backward Compatibility Mode, and if ATACB would be supported in this case there is anyway no way to tell which chip it really is. For 5 years my external USB drive has been locking up for half a minute when plugged in and ata_id is run by udev, or anytime hdparm or similar is run on it. Finally looking at the /correct/ datasheet I think I found the reason. I am aware the quirk in this patch is a bit hacky, but the hardware manufacturers haven't made it easy for us. Signed-off-by:
Tormod Volden <debian.tormod@gmail.com> Signed-off-by:
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Shengzhou Liu authored
commit 61ac6ac8 upstream. We remove the redundant tdi_reset in ehci_setup since there is already it in ehci_reset. It was observed that the duplicated tdi_reset was causing the PHY_CLK_VALID bit unstable. Reported-by:
Michael Braun <michael-dev@fami-braun.de> Signed-off-by:
Shengzhou Liu <Shengzhou.Liu@freescale.com> Acked-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Michael Grzeschik authored
commit 7ca2cd29 upstream. In hardware_enqueue code adds one extra td with dma_pool_alloc if mReq->req.zero is true. When _ep_nuke will be called for that endpoint, dma_pool_free will not be called to free that memory again. That patch fixes this. Signed-off-by:
Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by:
Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by:
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Michael Grzeschik authored
commit a9c17430 upstream. The udc uses an shared dma memory space between hard and software. This memory layout is described in ci13xxx_qh and ci13xxx_td which are marked with the attribute ((packed)). The compiler currently does not know about the alignment of the memory layout, and will create strb and ldrb operations. The Datasheet of the synopsys core describes, that some operations on the mapped memory need to be atomic double word operations. I.e. the next pointer addressing in the qhead, as otherwise the hardware will read wrong data and totally stuck. This is also possible while working with the current active td queue, and preparing the td->ptr.next in software while the hardware is still working with the current active td which is supposed to be changed: writeb(0xde, &td->ptr.next + 0x0); /* strb */ writeb(0xad, &td->ptr.next + 0x1); /* strb */ <----- hardware reads value of td->ptr.next and get stuck! writeb(0xbe, &td->ptr.next + 0x2); /* strb */ writeb(0xef, &td->ptr.next + 0x3); /* strb */ This appeares on armv5 machines where the hardware does not support unaligned 32bit operations. This patch adds the attribute ((aligned(4))) to the structures to tell the compiler to use 32bit operations. It also adds an wmb() for the prepared TD data before it gets enqueued into the qhead. Signed-off-by:
Felipe Balbi <balbi@ti.com> Signed-off-by:
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Hans de Goede authored
commit 1361bf4b upstream. When usbfs receives a ctrl-request from userspace it calls check_ctrlrecip, which for a request with USB_RECIP_ENDPOINT tries to map this to an interface to see if this interface is claimed, except for ctrl-requests with a type of USB_TYPE_VENDOR. When trying to use this device: http://www.akaipro.com/eiepro redirected to a Windows vm running on qemu on top of Linux. The windows driver makes a ctrl-req with USB_TYPE_CLASS and USB_RECIP_ENDPOINT with index 0, and the mapping of the endpoint (0) to the interface fails since ep 0 is the ctrl endpoint and thus never is part of an interface. This patch fixes this ctrl-req failing by skipping the checkintf call for USB_RECIP_ENDPOINT ctrl-reqs on the ctrl endpoint. Reported-by:
Dave Stikkolorum <d.r.stikkolorum@hhs.nl> Tested-by:
Hans de Goede <hdegoede@redhat.com> Acked-by:
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Johan Hovold authored
commit b6fd35ee upstream. Fix regression introduced by commit f40d7815 ("USB: io_ti: kill custom closing_wait implementation") which made TIOCGSERIAL return the wrong value for closing_wait. Signed-off-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
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Adrian Thomasset authored
commit 71d9a2b9 upstream. The FT4232H used in the ST Micro Connect Lite has four hi-speed UART ports. The first two ports are reserved for the JTAG interface. We enable by default ports 2 and 3 as UARTs (where port 2 is a conventional RS-232 UART) Signed-off-by:
Adrian Thomasset <adrian.thomasset@st.com> Signed-off-by:
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Adrian Thomasset authored
commit 9f06d15f upstream. The current ST Micro Connect Lite uses the FT4232H hi-speed quad USB UART FTDI chip. It is also possible to drive STM reference targets populated with an on-board JTAG debugger based on the FT2232H chip with the same STMicroelectronics tools. For this reason, the ST Micro Connect Lite PIDs should be ST_STMCLT_2232_PID: 0x3746 ST_STMCLT_4232_PID: 0x3747 Signed-off-by:
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Stefani Seibold authored
commit 58f8b6c4 upstream. This patch add a missing usb device id for the GDMBoost V1.x device The patch is against 3.9-rc5 Signed-off-by:
Stefani Seibold <stefani@seibold.net> Signed-off-by:
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Ben Jencks authored
commit e7d3b6e2 upstream. Add the Apple 24" LED Cinema display to the supported devices. Signed-off-by:
Ben Jencks <ben@bjencks.net> Signed-off-by:
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Bob Copeland authored
commit 8ceb5955 upstream. The RCU docs used to state that rcu_barrier() included a wait for an RCU grace period; however the comments for rcu_barrier() as of commit f0a0e6f2... "rcu: Clarify memory-ordering properties of grace-period primitives" contradict this. So add back synchronize_{rcu,net}() to where they once were, but keep the rcu_barrier()s for the call_rcu() callbacks. Signed-off-by:
Bob Copeland <bob@cozybit.com> Reviewed-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Johannes Berg authored
commit b20d34c4 upstream. Since Stanislaw's patches, when suspending while connected, cfg80211 will disconnect. This causes the AP station to be removed, which uses call_rcu() to clean up. Due to needing process context, this queues a work struct on the mac80211 workqueue. This will warn and fail when already suspended, which can happen if the rcu call doesn't happen quickly. To fix this, replace the synchronize_net() which is really just synchronize_rcu_expedited() with rcu_barrier(), which unlike synchronize_rcu() waits until RCU callback have run and thus avoids this issue. In theory, this can even happen without Stanislaw's change to disconnect on suspend since userspace might disconnect just before suspending, though then it's unlikely that the call_rcu() will be delayed long enough. Signed-off-by:
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Yogesh Ashok Powar authored
commit 5b0d9b21 upstream. "drivers should call pci_release_region() AFTER calling pci_disable_device()" Please refer section 3.2 Request MMIO/IOP resources in Documentation/PCI/pci.txt Signed-off-by:
Avinash Patil <patila@marvell.com> Signed-off-by:
Amitkumar Karwar <akarwar@marvell.com> Signed-off-by:
Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by:
Bing Zhao <bzhao@marvell.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Yogesh Ashok Powar authored
commit c380aafb upstream. PCI regions are associated with the device using pci_request_region() call. Hence use pci_release_region() instead of pci_release_regions(). Signed-off-by:
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Emmanuel Grumbach authored
commit 63b77bf4 upstream. When the stations are being restored because of unassoc RXON, the LQ cmd may not have been initialized because it is initialized only after association. Sending zeroed LQ_CMD makes the fw unhappy: it raises SYSASSERT_2078. Signed-off-by:
Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by:
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Stanislaw Gruszka authored
commit 3309ccf7 upstream. If on iwl_dump_nic_event_log() error occurs before that function initialize buf, we process uninitiated pointer in iwl_dbgfs_log_event_read() and can hit "BUG at mm/slub.c:3409" Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=951241 Reported-by: ian.odette@eprize.com Signed-off-by:
Stanislaw Gruszka <sgruszka@redhat.com> Reviewed-by:
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Michael Ellerman authored
commit 6747e832 upstream. In commit 85fe4025 (fs: do not assign default i_ino in new_inode), the initialisation of i_ino was removed from new_inode() and pushed down into the callers. However spufs_new_inode() was not updated. This exhibits as no files appearing in /spu, because all our dirents have a zero inode, which readdir() seems to dislike. Signed-off-by:
Michael Ellerman <michael@ellerman.id.au> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Michael Neuling authored
commit 8c2a3817 upstream. In __restore_cpu_power8 we determine if we are HV and if not, we return before setting HV only resources. Unfortunately we forgot to restore the link register from r11 before returning. This will happen on boot and with secondary CPUs not coming online. This adds the missing link register restore. Signed-off-by:
Michael Neuling <mikey@neuling.org> Signed-off-by:
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Michael Neuling authored
commit 3e96ca7f upstream. POWER8 allows us to take interrupts with the MMU on. This gives us a second set of vectors offset at 0x4000. Unfortunately when coping these vectors we missed checking for MSR HV for hardware interrupts (0x500). This results in us trying to use HSRR0/1 when HV=0, rather than SRR0/1 on HW IRQs The below fixes this to check CPU_FTR_HVMODE when patching the code at 0x4500. Also we remove the check for CPU_FTR_ARCH_206 since relocation on IRQs are only available in arch 2.07 and beyond. Thanks to benh for helping find this. Signed-off-by:
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Michael Neuling authored
commit 29ce3c50 upstream. In __after_prom_start we copy the kernel down to zero in two calls to copy_and_flush. After the first call (copy from 0 to copy_to_here:) we jump to the newly copied code soon after. Unfortunately there's no isync between the copy of this code and the jump to it. Hence it's possible that stale instructions could still be in the icache or pipeline before we branch to it. We've seen this on real machines and it's results in no console output after: calling quiesce... returning from prom_init The below adds an isync to ensure that the copy and flushing has completed before any branching to the new instructions occurs. Signed-off-by:
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Nicolas Ferre authored
commit 2a5a461f upstream. - unneeded whitespace - missing double quote Acked-by:
Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by:
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Nicolas Ferre authored
commit 88fcb59a upstream. Acked-by:
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Maxime Ripard authored
commit e7619459 upstream. Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by:
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Nicolas Ferre authored
commit b090e5f6 upstream. Remove the malformed "mem=" bootargs parameter in at91sam9x5ek.dtsi Acked-by:
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Douglas Gilbert authored
commit f10491ff upstream. Signed-off-by:
Douglas Gilbert <dgilbert@interlog.com> [nicolas.ferre@atmel.com: fix rts/cts for usart3] Signed-off-by:
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Linus Walleij authored
commit 0259d9eb upstream. The UART1 is on the fast AHB bridge, not on the slow bus. Acked-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
Olof Johansson <olof@lixom.net> Signed-off-by:
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Daniel Lezcano authored
commit 0d975589 upstream. The TIME_VALID flag is specified for the different states but the time residency computation is not done, no tk flag, no time computation in the idle function. Set the en_core_tk_irqen flag to activate it. Signed-off-by:
Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by:
Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by:
Kevin Hilman <khilman@linaro.org> Signed-off-by:
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Joerg Roedel authored
commit d95abbbb upstream. Testing the arm chromebook config against the upstream kernel produces a linker error for the zsmalloc module from staging. The symbol flush_tlb_kernel_range is not available there. Fix this by removing the reimplementation of unmap_kernel_range in the zsmalloc module and using the function directly. The unmap_kernel_range function is not usable by modules, so also disallow building the driver as a module for now. Signed-off-by:
Joerg Roedel <joro@8bytes.org> Acked-by:
Minchan Kim <minchan@kernel.org> Signed-off-by:
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Bjørn Mork authored
commit a2a2d6c7 upstream. Adding support for a Mediatek based device labelled as D-Link Model: DWM-156, H/W Ver: A7 Also adding two other device IDs found in the Debian(!) packages included on the embedded device driver CD. This is a composite MBIM + serial ports + card reader device: T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 14 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=2001 ProdID=7d01 Rev= 3.00 S: Manufacturer=D-Link,Inc S: Product=D-Link DWM-156 C:* #Ifs= 7 Cfg#= 1 Atr=a0 MxPwr=500mA A: FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00 I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim E: Ad=88(I) Atr=03(Int.) MxPS= 64 Ivl=125us I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=01 Driver=option E: Ad=87(I) Atr=03(Int.) MxPS= 64 Ivl=500us E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 6 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Filippo Turato authored
commit d19bf5ce upstream. This adds PID for Olivetti Olicard 145 in option.c Signed-off-by:
Filippo Turato <nnj7585@gmail.com> Signed-off-by:
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- 29 Apr, 2013 1 commit
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Linus Torvalds authored
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- 27 Apr, 2013 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fix from Olof Johansson: "A late-arriving fix for musb on OMAP4, resolving an issue where the musb IP won't be clocked and thus not functional. Small in scope, most of the lines changed is a longish comment." * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: OMAP4: hwmod data: make 'ocp2scp_usb_phy_phy_48m" as the main clock
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Linus Torvalds authored
I think we could just move the full vm_iomap_memory() function into util.h or similar, but I didn't get any reply from anybody actually using nommu even to this trivial patch, so I'm not going to touch it any more than required. Here's the fairly minimal stub to make the nommu case at least potentially work. It doesn't seem like anybody cares, though. Signed-off-by:Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fix from Ingo Molnar: "This fix adds missing RCU read protection" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: events: Protect access via task_subsys_state_check()
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Olof Johansson authored
Merge tag 'omap-for-v3.9-rc6/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes From Tony Lindgren: One MUSB regression fix that I forgot to send earlier. Without this MUSB no longer works on omap4 based devices. * tag 'omap-for-v3.9-rc6/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP4: hwmod data: make 'ocp2scp_usb_phy_phy_48m" as the main clock Signed-off-by:
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- 26 Apr, 2013 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediaLinus Torvalds authored
Pull media fixes from Mauro Carvalho Chehab: "Two driver fixes. One avoids reading any file at a system with a cx25821 board (fortunately, this is not a common device). The other one prevents reading after a buffer with ISDB-T devices based on mb86a20s." * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] cx25821: do not expose broken video output streams [media] mb86a20s: Fix estimate_rate setting
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull late parisc fixes from Helge Deller: "I know it's *very* late in the 3.9 release cycle, but since there aren't that many people testing the parisc linux kernel, a few (for our port) critical issues just showed up a few days back for the first time. What's in it? - add missing __ucmpdi2 symbol, which is required for btrfs on 32bit kernel. - change kunmap() macro to static inline function. This fixes a debian/gcc-4.4 build error. - add locking when doing PTE updates. This fixes random userspace crashes. - disable (optional) -mlong-calls compiler option for modules, else modules can't be loaded at runtime. - a smart patch by Will Deacon which fixes 64bit put_user() warnings on 32bit kernel." * 'fixes-3.9-late' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: use spin_lock_irqsave/spin_unlock_irqrestore for PTE updates parisc: disable -mlong-calls compiler option for kernel modules parisc: uaccess: fix compiler warnings caused by __put_user casting parisc: Change kunmap macro to static inline function parisc: Provide __ucmpdi2 to resolve undefined references in 32 bit builds.
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