- 17 May, 2020 8 commits
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Oded Gabbay authored
Retrieve from the firmware the DMA mask value we need to set according to the device's PCI controller configuration. This is needed when working on POWER9 machines, as the device's PCI controller is configured in a different way in those machines. Reviewed-by:
Tomer Tayar <ttayar@habana.ai> Signed-off-by:
Oded Gabbay <oded.gabbay@gmail.com>
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Oded Gabbay authored
Add comments for the various errors and states of the firmware during boot. Add a mapping of a new register that will tell the driver whether the firmware executed the request from the driver or if it has encountered an error. Add a new enum for the possible values of this register. Reviewed-by:
Omer Shpigelman <oshpigelman@habana.ai> Signed-off-by:
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Oded Gabbay authored
When doing training, the DL framework (e.g. tensorflow) performs hundreds of thousands of memory allocations and mappings. In case the driver needs to perform hard-reset during training, the driver kills the application and unmaps all those memory allocations. Unfortunately, because of that large amount of mappings, the driver isn't able to do that in the current timeout (5 seconds). Therefore, increase the timeout significantly to 30 seconds to avoid situation where the driver resets the device with active mappings, which sometime can cause a kernel bug. BTW, it doesn't mean we will spend all the 30 seconds because the reset thread checks every one second if the unmap operation is done. Reviewed-by:
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Oded Gabbay authored
When the system administrator asks the driver to soft or hard reset the device through sysfs, the driver should display a warning in the kernel log to explain why it suddenly resets the device. Reviewed-by:
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Oded Gabbay authored
Move the code of device CPU initialization from being ASIC-Dependent to common code. In addition, add support for the new error reporting feature of the firmware boot code. Reviewed-by:
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Omer Shpigelman authored
We want to remove the following restrictions/assumptions in our driver: 1. The H/W queue index is also the completion queue index. 2. The H/W queue index is also the IRQ number of the completion queue. 3. All queues of the same type have consecutive indexes. Therefore we add the support for H/W queues of the same type with nonconsecutive indexes and completion queue index and IRQ number different than the H/W queue index. Signed-off-by:
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Omer Shpigelman authored
Stop-on-error mode in DMA is useful as it stops the transaction immediately upon error e.g. page fault. But it may cause the next command submission to fail as is leaves the DMA in unstable state. Therefore we remove the stop-on-error configuration from the DMA. Stop-on-err is still available for debug. Signed-off-by:
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Oded Gabbay authored
Upon reset of the ASIC, the driver would have waited for the CPU to come out of reset before finishing the reset process. This was done for the purpose of making the CPU available to answer FLR requests. However, when a VM shuts down, the driver isn't removed so a reset never happens. Therefore, remove this waiting period as we don't need it. Reviewed-by:
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- 15 May, 2020 23 commits
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Akira Shimahara authored
Adding bulk read support: Sending a 'trigger' command in the dedicated sysfs entry of bus master device send a conversion command for all the slaves on the bus. The sysfs entry is added as soon as at least one device supporting this feature is detected on the bus. The behavior of the sysfs reading temperature on the device is as follow: * If no bulk read pending, trigger a conversion on the device, wait for the conversion to be done, read the temperature in device RAM * If a bulk read has been trigger, access directly the device RAM This behavior is the same on the 2 sysfs entries ('temperature' and 'w1_slave'). Reading the therm_bulk_read sysfs give the status of bulk operations: * '-1': conversion in progress on at least 1 sensor * '1': conversion complete but at least one sensor has not been read yet * '0': no bulk operation. Reading temperature on ecah device will trigger a conversion As not all devices support bulk read feature, it has been added in device family structure. The attribute is set at master level as soon as a supporting device is discover. It is removed when the last supported device leave the bus. The count of supported device is kept with the static counter bulk_read_device_counter. A strong pull up is apply on the line if at least one device required it. The duration of the pull up is the max time required by a device on the line, which depends on the resolution settings of each device. The strong pull up could be adjust with the a module parameter. Updating documentation in Documentation/ABI/testing/sysfs-driver-w1_therm and Documentation/w1/slaves/w1_therm.rst accordingly. Signed-off-by:Akira Shimahara <akira215corp@gmail.com> Link: https://lore.kernel.org/r/20200511203820.411483-1-akira215corp@gmail.comSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Akira Shimahara authored
Adding device alarms settings by a dedicated sysfs entry alarms (RW): read or write TH and TL in the device RAM. Checking devices in alarm state could be performed using the master search command. As alarms temperature level are store in a 8 bit register on the device and are signed values, a safe cast shall be performed using the min and max temperature that device are able to measure. This is done by int_to_short inline function. A 'write_data' field is added in the device structure, to bind the correct writing function, as some devices may have 2 or 3 bytes RAM. Updating Documentation/ABI/testing/sysfs-driver-w1_therm accordingly. Signed-off-by:
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Akira Shimahara authored
Optimizing temperature reading by reducing waiting conversion time according to device resolution settings, as per device specification. This is device dependent as not all the devices supports resolution setting, so it has been added in device family structures. The process to read the temperature on the device has been adapted in a new function 'convert_t()', which replace the former 'read_therm()', is introduce to deal with this timing. Strong pull up is also applied during the required time, according to device power status needs and 'strong_pullup' module parameter. 'temperature_from_RAM()' function is introduced to get the correct temperature computation (device dependent) from device RAM data. An new sysfs entry has been added to ouptut only temperature. The old entry w1_slave has been kept for compatibility, without changing its output format. Updating Documentation/ABI/testing/sysfs-driver-w1_therm accordingly. Signed-off-by:
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Akira Shimahara authored
The driver implement 2 hardware functions to access device RAM: * copy_scratchpad * recall_scratchpad They act according to device specifications. As EEPROM operations are not device dependent (all w1_therm can perform EEPROM read/write operation following the same protocol), it is removed from device families structures. Updating Documentation/ABI/testing/sysfs-driver-w1_therm accordingly. Signed-off-by:
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Akira Shimahara authored
Adding resolution sysfs entry (RW) to get or set the device resolution Write values are managed as follow: * '9..12': resolution to set in bit * Anything else: do nothing Read values are : * '9..12': device resolution in bit * '-xx': xx is kernel error when reading the resolution Only supported devices will show the sysfs entry. A new family has been created for DS18S20 devices as they do not implement resolution feature. The resolution of each device is check when the device is discover by the bus master, in 'w1_therm_add_slave(struct w1_slave *)'. The status is stored in the device structure w1_therm_family_data so that the driver always knows the resolution of each device, which could be used later to determine the required conversion duration (resolution dependent). The resolution is re evaluate each time a user read or write the sysfs entry. To avoid looping through the w1_therm_families at run time, the pointer 'specific_functions' is set up to the correct 'w1_therm_family_converter' when the slave is added (which mean when it is discovered by the master). This initialization is done by a helper function 'device_family(struct w1_slave *sl)', and a dedicated macro 'SLAVE_SPECIFIC_FUNC(sl)' allow the access to the specific function of the slave device. 'read_scratchpad' and 'write_scratchpad' are the hardware functions to access the device RAM, as per protocol specification. It cancel the former 'precision' functions, which was only set and never read (so not stored in the device struct). Updating Documentation/ABI/testing/sysfs-driver-w1_therm accordingly. Signed-off-by:
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Akira Shimahara authored
Adding ext_power sysfs entry (RO). Return the power status of the device: - 0: device parasite powered - 1: device externally powered - xx: xx is kernel error The power status of each device is check when the device is discover by the bus master, in 'w1_therm_add_slave(struct w1_slave *)'. The status is stored in the device structure w1_therm_family_data so that the driver always knows the power state of each device, which could be used later to determine the required strong pull up to apply on the line. The power status is re evaluate each time the sysfs ext_power read by a user. The hardware function 'read_powermode(struct w1_slave *sl)' act just as per device specifications, sending W1_READ_PSUPPLY command on the bus, and issue a read time slot, reading only one bit. A helper function 'bool bus_mutex_lock(struct mutex *lock)' is introduced. It try to aquire the bus mutex several times (W1_THERM_MAX_TRY), waiting W1_THERM_RETRY_DELAY between two attempt. Updating Documentation/ABI/testing/sysfs-driver-w1_therm accordingly. Signed-off-by:
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Akira Shimahara authored
Adding a sysfs-driver-w1_therm documentation file in Documentation/ABI/testing. It describe the onlys sysfs entry of w1_therm module, based on Documentation/w1/slaves/w1_therm.rst Signed-off-by:
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Akira Shimahara authored
Fix reset_select_slave issue during devices discovery by the master on bus. The w1_reset_select_slave() from w1_io.c, which was previously used, assume that if the slave count is 1 there is only one slave attached on the bus. This is not always true. For example when discovering devices, when the first device is discover by the bus master, its slave count is 1, but some other slaves may be on the bus. In that case instead of adressing command to the attached slave the master throw a SKIP ROM command so that all slaves attached on the bus will answer simultenaously causing data collision. A dedicated reset_select_slave() function is implemented here, it always perform an adressing to each slave using the MATCH ROM command. Signed-off-by:
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Akira Shimahara authored
Adding code comments to split code in dedicated parts. After the global declarations (defines, macros and function declarations), code is organized as follow : - Device and family dependent structures and functions - Interfaces functions - Helpers functions - Hardware functions - Sysfs interface functions Signed-off-by:
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Souptick Joarder authored
get_user_pages_fast() is already having a check for the same. This double check can be removed. Signed-off-by:
Souptick Joarder <jrdr.linux@gmail.com> Link: https://lore.kernel.org/r/1588709912-8065-1-git-send-email-jrdr.linux@gmail.comSigned-off-by:
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Tang Bin authored
The function PTR_ERR_OR_ZERO() contains the check of IS_ERR() and the return of PTR_ERR() or zero. Signed-off-by:
Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by:
Tang Bin <tangbin@cmss.chinamobile.com> Link: https://lore.kernel.org/r/20200507111224.4176-1-tangbin@cmss.chinamobile.comSigned-off-by:
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Angelo Dureghello authored
Non functional fix, set Kb to b, to avoid any misundertanding. Signed-off-by:
Angelo Dureghello <angelo.dureghello@timesys.com> Link: https://lore.kernel.org/r/20200507195050.472483-1-angelo.dureghello@timesys.comSigned-off-by:
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Srinivas Kandagatla authored
fastrpc_invoke_ctx can have refcount of 2 in error path where rpmsg_send() fails to send invoke message. decrement the refcount properly in the error path to fix this leak. This also fixes below static checker warning: drivers/misc/fastrpc.c:990 fastrpc_internal_invoke() warn: 'ctx->refcount.refcount.ref.counter' not decremented on lines: 990. Fixes: c68cfb71 ("misc: fastrpc: Add support for context") Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by:
Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20200512110930.2550-1-srinivas.kandagatla@linaro.orgSigned-off-by:
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Srinivas Kandagatla authored
fastrpc_channel_ctx is not freed if misc_register() fails, this would lead to a memory leak. Fix this leak by adding kfree in misc_register() error path. Fixes: 278d56f9 ("misc: fastrpc: Reference count channel context") Signed-off-by:
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Saravana Kannan authored
Adding missing corresponding of_node_put Fixes: 7588a511 ("slimbus: core: add support to device tree helper") Signed-off-by:
Saravana Kannan <saravanak@google.com> [Srini: added fixes tag, removed NULL check and updated log] Signed-off-by:
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Saravana Kannan authored
When setting the of_node for a newly created device, also set the fwnode. This allows fw_devlink feature to work for slimbus devices. Also, remove some unnecessary NULL checks. The functions in question already do NULL checks. Signed-off-by:
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Samuel Zou authored
Fixes coccicheck warning: drivers/nvmem/jz4780-efuse.c:214:1-3: WARNING: PTR_ERR_OR_ZERO can be used Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Samuel Zou <zou_wei@huawei.com> Signed-off-by:
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Michael Auchter authored
Commit 2a127da4 ("nvmem: add support for the write-protect pin") added support for handling write-protect pins to the nvmem core, and Commit 1c89074b ("eeprom: at24: remove the write-protect pin support") retrofitted the at24 driver to use this support. These changes broke write() on the nvmem sysfs attribute for eeproms which utilize a write-protect pin, as the write callback invokes the nvmem device's reg_write callback directly which no longer handles changing the state of the write-protect pin. Change the read and write callbacks for the sysfs attribute to invoke nvmme_reg_read/nvmem_reg_write helpers which handle this, rather than calling reg_read/reg_write directly. Fixes: 2a127da4 ("nvmem: add support for the write-protect pin") Signed-off-by:
Michael Auchter <michael.auchter@ni.com> Signed-off-by:
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Anson Huang authored
Several logic improvements to save many code lines: - no need to use goto; - no need to assign return value; - combine different conditions of return value into one line. Signed-off-by:
Anson Huang <Anson.Huang@nxp.com> Signed-off-by:
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Christophe JAILLET authored
If 'mfd_add_devices()' fails, we must undo 'zynqmp_pm_api_debugfs_init()' otherwise some debugfs directory and files will be left. Just move the call to 'zynqmp_pm_api_debugfs_init()' a few lines below to fix the issue. Fixes: e23d9c6d ("drivers: soc: xilinx: Add ZynqMP power domain driver") Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by:
Jolly Shah <jolly.shah@xilinx.com> Link: https://lore.kernel.org/r/20200510130357.233364-1-christophe.jaillet@wanadoo.frSigned-off-by:
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Harshal Chaudhari authored
The driver init and exit function don't do anything besides registering and unregistering the platform driver, so the module_platform_driver() macro could just be used instead of having separate functions. Signed-off-by:
Harshal Chaudhari <harshalchau04@gmail.com> Acked-by:
Dragan Cvetic <dragan.cvetic@xilinx.com> Link: https://lore.kernel.org/r/20200510164308.31358-1-harshalchau04@gmail.comSigned-off-by:
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Chuhong Yuan authored
This driver calls sysfs_create_bin_file() in probe, but forgets to call sysfs_remove_bin_file() in remove. Add the missed call to fix it. Signed-off-by:
Chuhong Yuan <hslester96@gmail.com> Link: https://lore.kernel.org/r/20200507151343.792816-1-hslester96@gmail.comSigned-off-by:
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Greg Kroah-Hartman authored
Merge tag 'fpga-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next Moritz writes: FPGA Manager changes for 5.8 Here's the first set of changes for the 5.8-rc1 merge window. Dominic's change adds support for accessing AFU regions with gdb. Gustavo's change is a cleanup patch regarding variable lenght arrays. Richard's changes update dt-bindings and add support for stratix and agilex. Sergiu's changes update spi transfers with the new delay field. Xu's change addresses an issue with a wrong return value. Shubhrajyoti's change makes the Zynq FPGA driver return -EPROBE_DEFER on check of devm_clk_get failure. Xu's change for DFL enables multiple opens. All of these patches have been reviewed, have appropriate Acked-by's and have been in the last few linux-next releases without issues. Signed-off-by:
Moritz Fischer <mdf@kernel.org> * tag 'fpga-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga: fpga: dfl: afu: support debug access to memory-mapped afu regions fpga: dfl.h: Replace zero-length array with flexible-array member arm64: dts: agilex: correct service layer driver's compatible value dt-bindings, firmware: add compatible value Intel Stratix10 service layer binding fpga: stratix10-soc: add compatible property value for intel agilex arm64: dts: agilex: correct FPGA manager driver's compatible value dt-bindings: fpga: add compatible value to Stratix10 SoC FPGA manager binding fpga: machxo2-spi: Use new structure for SPI transfer delays fpga: ice40-spi: Use new structure for SPI transfer delays fpga: dfl: support multiple opens on feature device node.
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- 13 May, 2020 1 commit
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Gustavo A. R. Silva authored
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] sizeof(flexible-array-member) triggers a warning because flexible array members have incomplete type[1]. There are some instances of code in which the sizeof operator is being incorrectly/erroneously applied to zero-length arrays and the result is zero. Such instances may be hiding some bugs. So, this work (flexible-array member conversions) will also help to get completely rid of those sorts of issues. This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by:Gustavo A. R. Silva <gustavoars@kernel.org> Link: https://lore.kernel.org/r/20200507185318.GA14393@embeddedorSigned-off-by:
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- 11 May, 2020 1 commit
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Greg Kroah-Hartman authored
We want the char-misc fixes in here as well. Signed-off-by:
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- 10 May, 2020 7 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Thomas Gleixner: "A set of fixes for x86: - Ensure that direct mapping alias is always flushed when changing page attributes. The optimization for small ranges failed to do so when the virtual address was in the vmalloc or module space. - Unbreak the trace event registration for syscalls without arguments caused by the refactoring of the SYSCALL_DEFINE0() macro. - Move the printk in the TSC deadline timer code to a place where it is guaranteed to only be called once during boot and cannot be rearmed by clearing warn_once after boot. If it's invoked post boot then lockdep rightfully complains about a potential deadlock as the calling context is different. - A series of fixes for objtool and the ORC unwinder addressing variety of small issues: - Stack offset tracking for indirect CFAs in objtool ignored subsequent pushs and pops - Repair the unwind hints in the register clearing entry ASM code - Make the unwinding in the low level exit to usermode code stop after switching to the trampoline stack. The unwind hint is no longer valid and the ORC unwinder emits a warning as it can't find the registers anymore. - Fix unwind hints in switch_to_asm() and rewind_stack_do_exit() which caused objtool to generate bogus ORC data. - Prevent unwinder warnings when dumping the stack of a non-current task as there is no way to be sure about the validity because the dumped stack can be a moving target. - Make the ORC unwinder behave the same way as the frame pointer unwinder when dumping an inactive tasks stack and do not skip the first frame. - Prevent ORC unwinding before ORC data has been initialized - Immediately terminate unwinding when a unknown ORC entry type is found. - Prevent premature stop of the unwinder caused by IRET frames. - Fix another infinite loop in objtool caused by a negative offset which was not catched. - Address a few build warnings in the ORC unwinder and add missing static/ro_after_init annotations" * tag 'x86-urgent-2020-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind/orc: Move ORC sorting variables under !CONFIG_MODULES x86/apic: Move TSC deadline timer debug printk ftrace/x86: Fix trace event registration for syscalls without arguments x86/mm/cpa: Flush direct map alias during cpa objtool: Fix infinite loop in for_offset_range() x86/unwind/orc: Fix premature unwind stoppage due to IRET frames x86/unwind/orc: Fix error path for bad ORC entry type x86/unwind/orc: Prevent unwinding before ORC initialization x86/unwind/orc: Don't skip the first frame for inactive tasks x86/unwind: Prevent false warnings for non-current tasks x86/unwind/orc: Convert global variables to static x86/entry/64: Fix unwind hints in rewind_stack_do_exit() x86/entry/64: Fix unwind hints in __switch_to_asm() x86/entry/64: Fix unwind hints in kernel exit path x86/entry/64: Fix unwind hints in register clearing code objtool: Fix stack offset tracking for indirect CFAs -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull objtool fix from Thomas Gleixner: "A single fix for objtool to prevent an infinite loop in the jump table search which can be triggered when building the kernel with '-ffunction-sections'" * tag 'objtool-urgent-2020-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix infinite loop in find_jump_table()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fix from Thomas Gleixner: "A single fix for the fallout of the recent futex uacess rework. With those changes GCC9 fails to analyze arch_futex_atomic_op_inuser() correctly and emits a 'maybe unitialized' warning. While we usually ignore compiler stupidity the conditional store is pointless anyway because the correct case has to store. For the fault case the extra store does no harm" * tag 'locking-urgent-2020-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: ARM: futex: Address build warning
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
Pull iommu fixes from Joerg Roedel: - Race condition fixes for the AMD IOMMU driver. These are five patches fixing two race conditions around increase_address_space(). The first race condition was around the non-atomic update of the domain page-table root pointer and the variable containing the page-table depth (called mode). This is fixed now be merging page-table root and mode into one 64-bit field which is read/written atomically. The second race condition was around updating the page-table root pointer and making it public before the hardware caches were flushed. This could cause addresses to be mapped and returned to drivers which are not reachable by IOMMU hardware yet, causing IO page-faults. This is fixed too by adding the necessary flushes before a new page-table root is published. Related to the race condition fixes these patches also add a missing domain_flush_complete() barrier to update_domain() and a fix to bail out of the loop which tries to increase the address space when the call to increase_address_space() fails. Qian was able to trigger the race conditions under high load and memory pressure within a few days of testing. He confirmed that he has seen no issues anymore with the fixes included here. - Fix for a list-handling bug in the VirtIO IOMMU driver. * tag 'iommu-fixes-v5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/virtio: Reverse arguments to list_add iommu/amd: Do not flush Device Table in iommu_map_page() iommu/amd: Update Device Table in increase_address_space() iommu/amd: Call domain_flush_complete() in update_domain() iommu/amd: Do not loop forever when trying to increase address space iommu/amd: Fix race in increase_address_space()/fetch_pte()
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: - a small series fixing a use-after-free of bdi name (Christoph,Yufen) - NVMe fix for a regression with the smaller CQ update (Alexey) - NVMe fix for a hang at namespace scanning error recovery (Sagi) - fix race with blk-iocost iocg->abs_vdebt updates (Tejun) * tag 'block-5.7-2020-05-09' of git://git.kernel.dk/linux-block: nvme: fix possible hang when ns scanning fails during error recovery nvme-pci: fix "slimmer CQ head update" bdi: add a ->dev_name field to struct backing_dev_info bdi: use bdi_dev_name() to get device name bdi: move bdi_dev_name out of line vboxsf: don't use the source name in the bdi name iocost: protect iocg->abs_vdebt with iocg->waitq.lock
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Linus Torvalds authored
It seems that for whatever reason, gcc-10 ends up not inlining a couple of functions that used to be inlined before. Even if they only have one single callsite - it looks like gcc may have decided that the code was unlikely, and not worth inlining. The code generation difference is harmless, but caused a few new section mismatch errors, since the (now no longer inlined) function wasn't in the __init section, but called other init functions: Section mismatch in reference from the function kexec_free_initrd() to the function .init.text:free_initrd_mem() Section mismatch in reference from the function tpm2_calc_event_log_size() to the function .init.text:early_memremap() Section mismatch in reference from the function tpm2_calc_event_log_size() to the function .init.text:early_memunmap() So add the appropriate __init annotation to make modpost not complain. In both cases there were trivially just a single callsite from another __init function. Signed-off-by:Linus Torvalds <torvalds@linux-foundation.org>
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