- 31 8月, 2016 29 次提交
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由 Andy Shevchenko 提交于
Intel Quark has DesignWare UART. Move the code from 8250_pci to 8250_lpss. Reviewed-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Andy Shevchenko 提交于
The SoCs, such as Intel Braswell, have DesignWare UART IP. Split out the support of such chips to a separate module which also will be used for Intel Quark later. The rationale to have the separate driver to be existing: - Do not contaminate 8250_pci.c anymore with LPSS related quirks - All of them are using same DMA engine and they are Designware IP which means that in the future we might share the code between 8250_dw.c and 8250_lpss.c - It reduces the kernel memory footprint on non-X86 machines where 8250_pci.c is in use Besides the split the driver also has been refactored, in particular a) the DMA and port setup are separate functions, b) the two new structures lpss8250 and lpss8250_board are introduced to keep necessary data instead of pciserial_board, c) DMA parameters are passed to the DMA setup via mentioned custom structure. Most of the changes are done due to the future support of UART DMA on Intel Quark. The Intel Quark UART DMA support is based on bits taking from BSP code published by Intel earlier. The driver does not use any specific power management. PCI core takes care of the default behaviour during suspend and resume. Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Andy Shevchenko 提交于
Intel Quark has 16550A compatible UART with autoflow feature enabled. It has only 16 bytes of FIFO. Currently serial8250_do_set_termios() prevents to enable autoflow since the minimum requirement of 32 bytes of FIFO size. Drop a FIFO size limitation to allow autoflow control be enabled on such UARTs. While here, comment out UART_CAP_AFE for PORT_AR7 since it wasn't working and it will be not a good idea to use it in conjunction with trigger level of 1 byte. Suggested-by: NPeter Hurley <peter@hurleysoftware.com> Reviewed-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Andy Shevchenko 提交于
Some UARTs, e.g. one is used in Intel Quark, have a different address base for DMA operations. Introduce an additional field (per RX and TX DMA channels) in struct uart_8250_dma to cover those cases. Reviewed-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Andy Shevchenko 提交于
Convert dmaengine_terminate_all() calls to synchronous and asynchronous versions where appropriate. Reviewed-by: NPeter Hurley <peter@hurleysoftware.com> Reviewed-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Andy Shevchenko 提交于
Some users consider DMA optional, thus when driver is not compiled we shouldn't prevent compilation of the users. Add stubs for dw_dma_probe() and dw_dma_remove(). Acked-by: NVinod Koul <vinod.koul@intel.com> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Andy Shevchenko 提交于
There are at least two known devices, e.g. DMA controller found on ARC AXS101 SDP board, that have LLP register and no multi block transfer support at the same time. Override autodetection by user provided data. Reported-by: NEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Reviewed-by: NEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Andy Shevchenko 提交于
Intel Quark UART uses DesignWare DMA IP. Though the DMA IP is connected in such way that handshake interface uses inverted polarity. We have to provide a possibility to set this in the DMA driver when configuring a channel. Introduce a new member of custom slave configuration called 'hs_polarity' and set active low polarity in case this value is 'true'. Acked-by: NVinod Koul <vinod.koul@intel.com> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Andy Shevchenko 提交于
It seems we need to extend custom slave configuration by one more member to support Intel Quart UART. It becomes a burden to manage all members of struct dw_dma_slave one-by-one. Replace the set of fields by embedding struct dw_dma_slave into struct dw_dma_chan. Acked-by: NVinod Koul <vinod.koul@intel.com> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: NBryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Florian Vallee 提交于
Previously sc16is7xx_power was called in order to set the device to a low power mode. However since SC16IS7XX_EFR_ENABLE_BIT was not set beforehand this suspend request had not effect. Also, soft-reset the device prior to port initialization. It may otherwise be in a state (interrupt pending, fifo not empty) which prevents it from sleeping. Signed-off-by: NFlorian Vallee <fvallee@eukrea.fr> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Eddie Huang 提交于
mediatek can support baud rate up to 4M. the 'uart_get_baud_rate' function will limit the max baud rate. Modify max baud to remove the limit. Signed-off-by: NLong Cheng <long.cheng@mediatek.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Julia Lawall 提交于
Use of_property_read_bool to check for the existence of a property. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression e1,e2; statement S2,S1; @@ - if (of_get_property(e1,e2,NULL)) + if (of_property_read_bool(e1,e2)) S1 else S2 // </smpl> Signed-off-by: NJulia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Bhuvanchandra DV 提交于
Enable Vybrid's build-in support for RS-485 auto RTS for controlling line direction of RS-485 transceiver driver. Enable RS485 feature by either using ioctrl 'TIOCSRS485' or enable it in the device tree by setting 'linux,rs485-enabled-at-boot-time' property. Signed-off-by: NBhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Bhuvanchandra DV 提交于
When DMA mode is enabled one need to make sure the DMA channels are idle before entering suspend mode especially when UART ports which are set as wakeup source and console port with no_console_suspend is set. This patch takes care of gracefully releasing DMA channels for the above two cases and start the DMA at resume. Signed-off-by: NBhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Bhuvanchandra DV 提交于
Drop PIO to DMA switching and use scatter/gather DMA for Tx path to improve performance. Some part of the code is borrowed from imx serial driver. Signed-off-by: NBhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Bhuvanchandra DV 提交于
The initial approach of DMA implementatin for RX is inefficient due to switching from PIO to DMA, this leads to overruns especially on instances with the smaller FIFO. To address these issues this patch uses a cyclic DMA for receiver path. Some part of the code is borrowed from atmel serial driver. Signed-off-by: NBhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Bhuvanchandra DV 提交于
By default the driver always configure the mode as 8s1 even when 8m1 mode is selected. Fix this by adding support to control the space/mark bit. Signed-off-by: NBhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Stefan Agner 提交于
Commit 8e4934c6 ("tty: serial: fsl_lpuart: clear receive flag on FIFO flush") implemented clearing of the receive flag by reading the status register only. It turned out that even though we flush the FIFO afterwards, a explicit read of the data register is still required. This leads to a FIFO underrun. To avoid this, follow the advice in the overrun "Operation section": Unconditionally clear RXUF after using RXFLUSH. Signed-off-by: NStefan Agner <stefan@agner.ch> Signed-off-by: NBhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Stefan Agner 提交于
Add suspend/resume support. Signed-off-by: NStefan Agner <stefan@agner.ch> Signed-off-by: NBhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Stefan Agner 提交于
Currently the tx_empty callback only considers the Transmit Complete Flag (TC). The reference manual is not quite clear if the TC flag covers the TX FIFO too. Debug prints on real hardware have shown that from time to time the TC flag is asserted (indicating Transmitter idle) while there are still data in the TX FIFO. Hence, in this case the serial core will call the shutdown callback even though there are data remaining in the TX FIFO buffers. Avoid early shutdowns by considering the TX FIFO empty flag too. Also avoid theoretical race conditions between DMA and the driver by checking whether the TX DMA is in progress too. Signed-off-by: NStefan Agner <stefan@agner.ch> Signed-off-by: NBhuvanchandra DV <bhuvanchandra.dv@toradex.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Kefeng Wang 提交于
It should check the data->pclk, not data->clk when get apb_pclk. Fixes: c8ed99d4("serial: 8250_dw: Add support for deferred probing") Signed-off-by: NKefeng Wang <wangkefeng.wang@huawei.com> Tested-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Christophe JAILLET 提交于
The 2nd parameter of 'find_first_zero_bit' is the number of bits to search. In this case, we are passing 'sizeof(vt8500_ports_in_use)'. 'vt8500_ports_in_use' is an 'unsigned long'. So the sizeof is likely to return 4 on a 32 bits kernel. A few lines below, we check if it is below VT8500_MAX_PORTS, which is 6. It is likely that the number of bits in a long was expected here. In order to fix it: - use DECLARE_BITMAP when declaring the vt8500_ports_in_use - use VT8500_MAX_PORTS as a maximum value when checking/setting bits in this bitmap - modify code now that 'vt8500_ports_in_use' has become a pointer because of the use of DECLARE_BITMAP It has been spotted by the following coccinelle script: @@ expression ret, x; @@ * ret = \(find_first_bit \| find_first_zero_bit\) (x, sizeof(...)); Signed-off-by: NChristophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Rob Herring 提交于
tty_port_close handles much of the common parts of tty close. Convert uart_close to use it and move the serial_core specific parts into tty_port.shutdown function. This will be needed to use tty_port functions directly from in kernel clients. This change causes ops->stop_rx() to be called after uart_wait_until_sent() is called which I think should be fine. Otherwise, the sequence of the close should be the same. Cc: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: NRob Herring <robh@kernel.org> Acked-by: NAlan Cox <alan@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Rob Herring 提交于
tty_port_open handles much of the common parts of tty opening. Convert uart_open to use it and move the serial_core specific parts into tty_port.activate function. This will be needed to use tty_port functions directly from in kernel clients. The tricky part is uart_port_startup can return positive values to allow setserial to configure the port. We now return the positive value to tty_port_open so that the tty is not marked as initialized and then set the return value in uart_open to 0. Cc: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: NRob Herring <robh@kernel.org> Acked-by: NAlan Cox <alan@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Krzysztof Kozlowski 提交于
The Samsung serial driver registered for CPU frequency transitions to recalculate its clock when ARM clock frequency changes. This is needed only on S3C24xx platform so limit the ifdef to respective cpufreq driver. On S3C24xx the ratio ratio between frequencies of UART's parent clock (pclk) and ARM's parent clock (fclk) remains fixed. Therefore when ARM clock frequency goes down, the serial is also affected. Suggested-by: NMarek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Ludovic Desroches 提交于
The USART device provides a fractional baud rate generator to get a more accurate baud rate. It can be used only when the USART is configured in 'normal mode' and this feature is not available on AT91RM9200 SoC. Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Shawn Guo 提交于
There is no Peripheral Identification Registers on ZTE PL011 device, so although the driver amba-pl011 is ready to work for ZTE device, the device cannot be probed by the driver at all. With arm,primecell-periphid DT bindings (bindings/arm/primecell.txt) in place, it should be the cleanest the way to use a pseudo-ID to probe the device from AMBA bus. We create an unofficial vendor number AMBA_VENDOR_LINUX, which will practically never become an official vendor ID, and takes Configuration, Revision number, and Part number as input to compose a pseudo-ID for ZTE device. Also, since we start using vendor_zte to probe ZTE device, the __maybe_unused for vendor_zte is removed. Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk> Signed-off-by: NShawn Guo <shawn.guo@linaro.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Shawn Guo 提交于
ZTE PL011 device has a fixed FIFO size 16. Let's add a .get_fifosize hook for it. Signed-off-by: NShawn Guo <shawn.guo@linaro.org> Acked-by: NRussell King <rmk+kernel@armlinux.org.uk> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Shawn Guo 提交于
For some reason we do not really understand, ZTE hardware designers choose to define PL011 Flag Register bit positions differently from standard ones as below. Bit Standard ZTE ----------------------------------- CTS 0 1 DSR 1 3 BUSY 3 8 RI 8 0 Let's define these bits into vendor data and get ZTE PL011 supported properly. Signed-off-by: NShawn Guo <shawn.guo@linaro.org> Acked-by: NRussell King <rmk+kernel@armlinux.org.uk> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 15 8月, 2016 3 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux由 Linus Torvalds 提交于
Pull thermal updates from Zhang Rui: - Fix a race condition when updating cooling device, which may lead to a situation where a thermal governor never updates the cooling device. From Michele Di Giorgio. - Fix a zero division error when disabling the forced idle injection from the intel powerclamp. From Petr Mladek. - Add suspend/resume callback for intel_pch_thermal thermal driver. From Srinivas Pandruvada. - Another two fixes for clocking cooling driver and hwmon sysfs I/F. From Michele Di Giorgio and Kuninori Morimoto. [ Hmm. That suspend/resume callback for intel_pch_thermal doesn't look like a fix, but I'm letting it slide.. - Linus ] * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: thermal: clock_cooling: Fix missing mutex_init() thermal: hwmon: EXPORT_SYMBOL_GPL for thermal hwmon sysfs thermal: fix race condition when updating cooling device thermal/powerclamp: Prevent division by zero when counting interval thermal: intel_pch_thermal: Add suspend/resume callback
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu由 Linus Torvalds 提交于
Pull m68knommu fix from Greg Ungerer: "This contains only a single fix for a register corruption problem on certain types of m68k flat format binaries" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: fix user a5 register being overwritten
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- 14 8月, 2016 4 次提交
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由 Linus Torvalds 提交于
Merge tag 'fixes-for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull h8300 and unicore32 architecture fixes from Guenter Roeck: "Two patches to fix h8300 and unicore32 builds. unicore32 builds have been broken since v4.6. The fix has been available in -next since March of this year. h8300 builds have been broken since the last commit window. The fix has been available in -next since June of this year" * tag 'fixes-for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: h8300: Add missing include file to asm/io.h unicore32: mm: Add missing parameter to arch_vma_access_permitted
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux由 Linus Torvalds 提交于
Pull arm64 fixes from Catalin Marinas: - support for nr_cpus= command line argument (maxcpus was previously changed to allow secondary CPUs to be hot-plugged) - ARM PMU interrupt handling fix - fix potential TLB conflict in the hibernate code - improved handling of EL1 instruction aborts (better error reporting) - removal of useless jprobes code for stack saving/restoring - defconfig updates * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: defconfig: enable CONFIG_LOCALVERSION_AUTO arm64: defconfig: add options for virtualization and containers arm64: hibernate: handle allocation failures arm64: hibernate: avoid potential TLB conflict arm64: Handle el1 synchronous instruction aborts cleanly arm64: Remove stack duplicating code from jprobes drivers/perf: arm-pmu: Fix handling of SPI lacking "interrupt-affinity" property drivers/perf: arm-pmu: convert arm_pmu_mutex to spinlock arm64: Support hard limit of cpu count by nr_cpus
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git://git.kernel.org/pub/scm/virt/kvm/kvm由 Linus Torvalds 提交于
Pull KVM fixes from Radim Krčmář: "KVM: - lock kvm_device list to prevent corruption on device creation. PPC: - split debugfs initialization from creation of the xics device to unlock the newly taken kvm lock earlier. s390: - prevent userspace from triggering two WARN_ON_ONCE. MIPS: - fix several issues in the management of TLB faults (Cc: stable)" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: MIPS: KVM: Propagate kseg0/mapped tlb fault errors MIPS: KVM: Fix gfn range check in kseg0 tlb faults MIPS: KVM: Add missing gfn range check MIPS: KVM: Fix mapped fault broken commpage handling KVM: Protect device ops->create and list_add with kvm->lock KVM: PPC: Move xics_debugfs_init out of create KVM: s390: reset KVM_REQ_MMU_RELOAD if mapping the prefix failed KVM: s390: set the prefix initially properly
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git://git.kernel.dk/linux-block由 Linus Torvalds 提交于
Pull block fixes from Jens Axboe: - an NVMe fix from Gabriel, fixing a suspend/resume issue on some setups - addition of a few missing entries in the block queue sysfs documentation, from Joe - a fix for a sparse shadow warning for the bvec iterator, from Johannes - a writeback deadlock involving raid issuing barriers, and not flushing the plug when we wakeup the flusher threads. From Konstantin - a set of patches for the NVMe target/loop/rdma code, from Roland and Sagi * 'for-linus' of git://git.kernel.dk/linux-block: bvec: avoid variable shadowing warning doc: update block/queue-sysfs.txt entries nvme: Suspend all queues before deletion mm, writeback: flush plugged IO in wakeup_flusher_threads() nvme-rdma: Remove unused includes nvme-rdma: start async event handler after reconnecting to a controller nvmet: Fix controller serial number inconsistency nvmet-rdma: Don't use the inline buffer in order to avoid allocation for small reads nvmet-rdma: Correctly handle RDMA device hot removal nvme-rdma: Make sure to shutdown the controller if we can nvme-loop: Remove duplicate call to nvme_remove_namespaces nvme-rdma: Free the I/O tags when we delete the controller nvme-rdma: Remove duplicate call to nvme_remove_namespaces nvme-rdma: Fix device removal handling nvme-rdma: Queue ns scanning after a sucessful reconnection nvme-rdma: Don't leak uninitialized memory in connect request private data
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- 13 8月, 2016 4 次提交
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由 Guenter Roeck 提交于
h8300 builds fail with arch/h8300/include/asm/io.h:9:15: error: unknown type name ‘u8’ arch/h8300/include/asm/io.h:15:15: error: unknown type name ‘u16’ arch/h8300/include/asm/io.h:21:15: error: unknown type name ‘u32’ and many related errors. Fixes: 23c82d41bdf4 ("kexec-allow-architectures-to-override-boot-mapping-fix") Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Guenter Roeck 提交于
unicore32 fails to compile with the following errors. mm/memory.c: In function ‘__handle_mm_fault’: mm/memory.c:3381: error: too many arguments to function ‘arch_vma_access_permitted’ mm/gup.c: In function ‘check_vma_flags’: mm/gup.c:456: error: too many arguments to function ‘arch_vma_access_permitted’ mm/gup.c: In function ‘vma_permits_fault’: mm/gup.c:640: error: too many arguments to function ‘arch_vma_access_permitted’ Fixes: d61172b4 ("mm/core, x86/mm/pkeys: Differentiate instruction fetches") Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: NGuenter Roeck <linux@roeck-us.net> Acked-by: NGuan Xuetao <gxt@mprc.pku.edu.cn>
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git://github.com/awilliam/linux-vfio由 Linus Torvalds 提交于
Pull VFIO fix from Alex Williamson: "Fix oops when dereferencing empty data (Alex Williamson)" * tag 'vfio-v4.8-rc2' of git://github.com/awilliam/linux-vfio: vfio/pci: Fix NULL pointer oops in error interrupt setup handling
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git://linux-nfs.org/~bfields/linux由 Linus Torvalds 提交于
Pull nfsd fixes from Bruce Fields: "Fixes for the dentry refcounting leak I introduced in 4.8-rc1, and for races in the LOCK code which appear to go back to the big nfsd state lock removal from 3.17" * tag 'nfsd-4.8-1' of git://linux-nfs.org/~bfields/linux: nfsd: don't return an unhashed lock stateid after taking mutex nfsd: Fix race between FREE_STATEID and LOCK nfsd: fix dentry refcounting on create
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