- 20 Feb, 2019 4 commits
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Sebastian Ott authored
Prior to dma unmap/free operations the ism driver tries to ensure that the memory is no longer accessed by the HW. When errors during deregistration of memory regions from the HW occur the ism driver will not unmap/free this memory. When we receive notification from the hypervisor that a PCI function has been detached we can no longer access the device and would never unmap/free these memory regions which led to complaints by the DMA debug API. Treat this kind of errors during the deregistration of memory regions from the HW as success since it is already ensured that the memory is no longer accessed by HW. Reported-by: Karsten Graul <kgraul@linux.ibm.com> Reported-by: Hans Wippel <hwippel@linux.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Martin Schwidefsky authored
The fix to make WARN work in the early boot code created a problem on older machines without EDAT-1. The setup_lowcore_dat_on function uses the pointer from lowcore_ptr[0] to set the DAT bit in the new PSWs. That does not work if the kernel page table is set up with 4K pages as the prefix address maps to absolute zero. To make this work the PSWs need to be changed with via address 0 in form of the S390_lowcore definition. Reported-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Cornelia Huck <cohuck@redhat.com> Fixes: 94f85ed3e2f8 ("s390/setup: fix early warning messages") Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Martin Schwidefsky authored
The setup_lowcore() function creates a new prefix page for the boot CPU. The PSW mask for the system_call, external interrupt, i/o interrupt and the program check handler have the DAT bit set in this new prefix page. At the time setup_lowcore is called the system still runs without virtual address translation, the paging_init() function creates the kernel page table and loads the CR13 with the kernel ASCE. Any code between setup_lowcore() and the end of paging_init() that has a BUG or WARN statement will create a program check that can not be handled correctly as there is no kernel page table yet. To allow early WARN statements initially setup the lowcore with DAT off and set the DAT bit only after paging_init() has completed. Cc: stable@vger.kernel.org Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Ilya Leoshkevich authored
[heiko.carstens@de.ibm.com]: ----- Laura Abbott reported that the kernel doesn't build anymore with gcc 9, due to the "X" constraint. Ilya provided the gcc 9 patch "S/390: Introduce jdd constraint" which introduces the new "jdd" constraint which fixes this. ----- The support for section anchors on S/390 introduced in gcc9 has changed the behavior of "X" constraint, which can now produce register references. Since existing constraints, in particular, "i", do not fit the intended use case on S/390, the new machine-specific "jdd" constraint was introduced. This patch makes jump labels use "jdd" constraint when building with gcc9. Reported-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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- 13 Feb, 2019 1 commit
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Harald Freudenberger authored
When an alternate driver (vfio-ap) has bound an ap queue and this binding is revised the ap queue device is in an intermittent state not bound to any driver. The internal state variable covered this with the state AP_STATE_BORKED which is also used to reflect broken devices. When now an ap bus scan runs such a device is destroyed and on the next scan reconstructed. So a stress test with high frequency switching the queue driver between the default and the vfio-ap driver hit this gap and the queue was removed until the next ap bus scan. This fix now introduces another state for the in-between condition for a queue momentary not bound to a driver and so the ap bus scan function skips this device instead of removing it. Also some very slight but maybe helpful debug feature messages come with this patch - in particular a message showing that a broken card/queue device will get removed. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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- 07 Feb, 2019 9 commits
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Martin Schwidefsky authored
Merge tag 'vfio-ccw-20190204' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw into features Pull vfio-ccw from Cornelia Huck with the following changes: - A fix in ccw chain processing.
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Martin Schwidefsky authored
The z14 introduced alignment hints to increase the performance of vector loads and stores. The kernel uses an implicit alignmenet of 8 bytes for the vector registers, set the alignment hint to 3. Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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YueHaibing authored
Remove including <linux/version.h> that don't need it. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Julian Wiedmann authored
There is no need to use void pointers, all drivers are in agreement about the underlying data structure of the SBAL arrays. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Reviewed-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Sebastian Ott authored
Map IOV resources such that pci common code recognizes the IOV capability of PFs. Signed-off-by: Sebastian Ott <sebott@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Sebastian Ott authored
Improve the bar check in pci_iomap_range to cover functions for which we recognize more bars than what we can access due to AR restrictions. Signed-off-by: Sebastian Ott <sebott@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Martin Schwidefsky authored
The s390 version of the mmap_base function is ignorant of stack_guard_gap which can lead to a placement of the stack vs. the mmap base that does not leave enough space for the stack rlimit. Add the stack_guard_gap to the calculation and while we are at it the check for gap+pad overflows as well. Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Gerald Schaefer authored
Remove some dead code from head64.S, which was left over since commit da292bbe ("[S390] eliminate ipl_device from lowcore") removed ipl_device from lowcore. Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Gerald Schaefer authored
The #ifdef CONFIG_DMA_API_DEBUG check in reserve_kernel() is no longer needed, since commit ea535e41 ("dma-debug: switch check from _text to _stext") changed the logic in lib/dma-debug.c, so remove it. Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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- 04 Feb, 2019 1 commit
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Farhan Ali authored
When trying to calculate the length of a ccw chain, we assume there are ccws after a TIC. This can lead to overcounting and copying garbage data from guest memory. Signed-off-by: Farhan Ali <alifm@linux.ibm.com> Message-Id: <d63748c1f1b03147bcbf401596638627a5e35ef7.1548082107.git.alifm@linux.ibm.com> Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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- 28 Jan, 2019 4 commits
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Greg Kroah-Hartman authored
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Kees Cook <keescook@chromium.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: linux-s390@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Greg Kroah-Hartman authored
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Sebastian Ott <sebott@linux.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Cc: linux-s390@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sebastian Ott <sebott@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Greg Kroah-Hartman authored
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-s390@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Collin Walling authored
The s390x diagnose 318 instruction sets the control program name code (CPNC) and control program version code (CPVC) to provide useful information regarding the OS during debugging. The CPNC is explicitly set to 4 to indicate a Linux/KVM environment. The CPVC is a 7-byte value containing: - 3-byte Linux version code, currently set to 0 - 3-byte unique value, currently set to 0 - 1-byte trailing null Signed-off-by: Collin Walling <walling@linux.ibm.com> Acked-by: Janosch Frank <frankja@linux.ibm.com> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <1544135405-22385-2-git-send-email-walling@linux.ibm.com> [set version code to 0 until the structure is fully defined] Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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- 23 Jan, 2019 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxMartin Schwidefsky authored
Pull tip branch with Arnds compat system call wrapper rework.
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Heiko Carstens authored
When converting to autogenerated compat syscall wrappers all system call entry points got a different symbol name: they all got a __s390x_ prefix. This caused breakage with system call tracing, since an appropriate arch_syscall_match_sym_name() was not provided. Add this function, and while at it also add code to avoid compat system call tracing. s390 has different system call tables for native 64 bit system calls and compat system calls. This isn't really supported in the common code. However there are hardly any compat binaries left, therefore just ignore compat system calls, like x86 and arm64 also do for the same reason. Fixes: aa0d6e70 ("s390: autogenerate compat syscall wrappers") Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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- 18 Jan, 2019 8 commits
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Gustavo A. R. Silva authored
One of the more common cases of allocation size calculations is finding the size of a structure that has a zero-sized array at the end, along with memory for some number of elements for that array. For example: struct foo { int stuff; void *entry[]; }; instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL); Instead of leaving these open-coded and prone to type mistakes, we can now use the new struct_size() helper: instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL); This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Vasily Gorbik authored
Avoid using arch specific implementations of string/memory functions with KASAN since gcc cannot instrument asm code memory accesses and many bugs could be missed. Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Christoph Hellwig authored
These two functions are only used by core MM code, so no need to export them. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Arnd Bergmann authored
Now that all these wrappers are automatically generated, we can remove the entire file, and instead point to the regualar syscalls like all other architectures do. The 31-bit pointer extension is now handled in the __s390_sys_*() wrappers. Link: https://lore.kernel.org/lkml/20190116131527.2071570-6-arnd@arndb.deSigned-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Arnd Bergmann authored
Any system call that takes a pointer argument on s390 requires a wrapper function to do a 31-to-64 zero-extension, these are currently generated in arch/s390/kernel/compat_wrapper.c. On arm64 and x86, we already generate similar wrappers for all system calls in the place of their definition, just for a different purpose (they load the arguments from pt_regs). We can do the same thing here, by adding an asm/syscall_wrapper.h file with a copy of all the relevant macros to override the generic version. Besides the addition of the compat entry point, these also rename the entry points with a __s390_ or __s390x_ prefix, similar to what we do on arm64 and x86. This in turn requires renaming a few things, and adding a proper ni_syscall() entry point. In order to still compile system call definitions that pass an loff_t argument, the __SC_COMPAT_CAST() macro checks for that and forces an -ENOSYS error, which was the best I could come up with. Those functions must obviously not get called from user space, but instead require hand-written compat_sys_*() handlers, which fortunately already exist. Link: https://lore.kernel.org/lkml/20190116131527.2071570-5-arnd@arndb.deSigned-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> [heiko.carstens@de.ibm.com: compile fix for !CONFIG_COMPAT] Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Arnd Bergmann authored
s390 has an almost identical copy of the code in kernel/uid16.c. The problem here is that it requires calling the regular system calls, which the generic implementation handles correctly, but the internal interfaces are not declared in a global header for this. The best way forward here seems to be to just use the generic code and delete the s390 specific implementation. I keep the changes to uapi/asm/posix_types.h inside of an #ifdef check so user space does not observe any changes. As some of the system calls pass pointers, we also need wrappers in compat_wrapper.c, which I add for all calls with at least one argument. All those wrappers can be removed in a later step. Link: https://lore.kernel.org/lkml/20190116131527.2071570-4-arnd@arndb.deSigned-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Arnd Bergmann authored
The sys_ipc() and compat_ksys_ipc() functions are meant to only be used from the system call table, not called by another function. Introduce ksys_*() interfaces for this purpose, as we have done for many other system calls. Link: https://lore.kernel.org/lkml/20190116131527.2071570-3-arnd@arndb.deSigned-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> [heiko.carstens@de.ibm.com: compile fix for !CONFIG_COMPAT] Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Arnd Bergmann authored
Patch series "s390: rework compat wrapper generation". As promised, I gave this a go and changed the SYSCALL_DEFINEx() infrastructure to always include the wrappers for doing the 31-bit argument conversion on s390 compat mode. This does three main things: - The UID16 rework saved a lot of duplicated code, and would probably make sense by itself, but is also required as we can no longer call sys_*() functions directly after the last step. - Removing the compat_wrapper.c file is of course the main goal here, in order to remove the need to maintain the compat_wrapper.c file when new system calls get added. Unfortunately, this requires adding some complexity in syscall_wrapper.h, and trades a small reduction in source code lines for a small increase in binary size for unused wrappers. - As an added benefit, the use of syscall_wrapper.h now makes it easy to change the syscall wrappers so they no longer see all user space register contents, similar to changes done in commits fa697140 ("syscalls/x86: Use 'struct pt_regs' based syscall calling convention for 64-bit syscalls") and 4378a7d4 ("arm64: implement syscall wrappers"). I leave the actual implementation of this for you, if you want to do it later. I did not test the changes at runtime, but I looked at the generated object code, which seems fine here and includes the same conversions as before. This patch(of 5): The sys_personality function is not meant to be called from other system calls. We could introduce an intermediate ksys_personality function, but it does almost nothing, so this just moves the implementation into the caller. Link: https://lore.kernel.org/lkml/20190116131527.2071570-1-arnd@arndb.de Link: https://lore.kernel.org/lkml/20190116131527.2071570-2-arnd@arndb.deSigned-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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- 13 Jan, 2019 11 commits
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Linus Torvalds authored
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Jonathan Neuschäfer authored
UNAME26 is a mechanism to report Linux's version as 2.6.x, for compatibility with old/broken software. Due to the way it is implemented, it would have to be updated after 5.0, to keep the resulting versions unique. Linus Torvalds argued: "Do we actually need this? I'd rather let it bitrot, and just let it return random versions. It will just start again at 2.4.60, won't it? Anybody who uses UNAME26 for a 5.x kernel might as well think it's still 4.x. The user space is so old that it can't possibly care about differences between 4.x and 5.x, can it? The only thing that matters is that it shows "2.4.<largeenough>", which it will do regardless" Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "A bigger batch than I anticipated this week, for two reasons: - Some fallout on Davinci from board file -> DTB conversion, that also includes a few longer-standing fixes (i.e. not recent regressions). - drivers/reset material that has been in linux-next for a while, but didn't get sent to us until now for a variety of reasons (maintainer out sick, holidays, etc). There's a functional dependency in there such that one platform (Altera's SoCFPGA) won't boot without one of the patches; instead of reverting the patch that got merged, I looked at this set and decided it was small enough that I'll pick it up anyway. If you disagree I can revisit with a smaller set. That being said, there's also a handful of the usual stuff: - Fix for a crash on Armada 7K/8K when the kernel touches PSCI-reserved memory - Fix for PCIe reset on Macchiatobin (Armada 8K development board, what this email is sent from in fact :) - Enable a few new-merged modules for Amlogic in arm64 defconfig - Error path fixes on Integrator - Build fix for Renesas and Qualcomm - Initialization fix for Renesas RZ/G2E .. plus a few more fixlets" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits) ARM: integrator: impd1: use struct_size() in devm_kzalloc() qcom-scm: Include <linux/err.h> header gpio: pl061: handle failed allocations ARM: dts: kirkwood: Fix polarity of GPIO fan lines arm64: dts: marvell: mcbin: fix PCIe reset signal arm64: dts: marvell: armada-ap806: reserve PSCI area ARM: dts: da850-lcdk: Correct the sound card name ARM: dts: da850-lcdk: Correct the audio codec regulators ARM: dts: da850-evm: Correct the sound card name ARM: dts: da850-evm: Correct the audio codec regulators ARM: davinci: omapl138-hawk: fix label names in GPIO lookup entries ARM: davinci: dm644x-evm: fix label names in GPIO lookup entries ARM: davinci: dm355-evm: fix label names in GPIO lookup entries ARM: davinci: da850-evm: fix label names in GPIO lookup entries ARM: davinci: da830-evm: fix label names in GPIO lookup entries arm64: defconfig: enable modules for amlogic s400 sound card reset: uniphier-glue: Add AHCI reset control support in glue layer dt-bindings: reset: uniphier: Add AHCI core reset description reset: uniphier-usb3: Rename to reset-uniphier-glue dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals ...
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linuxLinus Torvalds authored
Pull btrfs fixes from David Sterba: - two regression fixes in clone/dedupe ioctls, the generic check callback needs to lock extents properly and wait for io to avoid problems with writeback and relocation - fix deadlock when using free space tree due to block group creation - a recently added check refuses a valid fileystem with seeding device, make that work again with a quickfix, proper solution needs more intrusive changes * tag 'for-5.0-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: Use real device structure to verify dev extent Btrfs: fix deadlock when using free space tree due to block group creation Btrfs: fix race between reflink/dedupe and relocation Btrfs: fix race between cloning range ending at eof and writeback
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-coreLinus Torvalds authored
Pull driver core fixes from Greg KH: "Here is one small sysfs change, and a documentation update for 5.0-rc2 The sysfs change moves from using BUG_ON to WARN_ON, as discussed in an email thread on lkml while trying to track down another driver bug. sysfs should not be crashing and preventing people from seeing where they went wrong. Now it properly recovers and warns the developer. The documentation update removes the use of BUS_ATTR() as the kernel is moving away from this to use the specific BUS_ATTR_RW() and friends instead. There are pending patches in all of the different subsystems to remove the last users of this macro, but for now, don't advertise it should be used anymore to keep new ones from being introduced. Both have been in linux-next with no reported issues" * tag 'driver-core-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: Documentation: driver core: remove use of BUS_ATTR sysfs: convert BUG_ON to WARN_ON
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging driver fixes from Greg KH: "Here are some small staging driver fixes for some reported issues. One reverts a patch that was made to the rtl8723bs driver that turned out to not be needed at all as it was a bug in clang. The others fix up some reported issues in the rtl8188eu driver and update the MAINTAINERS file to point to Larry for this driver so he can get the bug reports easier. All have been in linux-next with no reported issues" * tag 'staging-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: Revert "staging: rtl8723bs: Mark ACPI table declaration as used" staging: rtl8188eu: Fix module loading from tasklet for WEP encryption staging: rtl8188eu: Fix module loading from tasklet for CCMP encryption MAINTAINERS: Add entry for staging driver r8188eu
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial fixes from Greg KH: "Here are 2 tty and serial fixes for 5.0-rc2 that resolve some reported issues. The first is a simple serial driver fix for a regression that showed up in 5.0-rc1. The second one resolves a number of reported issues with the recent tty locking fixes that went into 5.0-rc1. Lots of people have tested the second one and say it resolves their issues. Both have been in linux-next with no reported issues" * tag 'tty-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: Don't hold ldisc lock in tty_reopen() if ldisc present serial: lantiq: Do not swap register read/writes
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are some small USB driver fixes and quirk updates for 5.0-rc2. The majority here are some quirks for some storage devices to get them to work properly. There's also a fix here to resolve the reported issues with some audio devices that say they are UAC3 compliant, but really are not. And a fix up for the MAINTAINERS file to remove a dead url. All have been in linux-next with no reported issues" * tag 'usb-5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: storage: Remove outdated URL from MAINTAINERS USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB usbcore: Select only first configuration for non-UAC3 compliant devices USB: storage: add quirk for SMI SM3350 USB: storage: don't insert sane sense for SPC3+ when bad sense specified usb: cdc-acm: send ZLP for Telit 3G Intel based modems
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull cifs fixes from Steve French: "A set of cifs/smb3 fixes, 4 for stable, most from Pavel. His patches fix an important set of crediting (flow control) problems, and also two problems in cifs_writepages, ddressing some large i/o and also compounding issues" * tag '5.0-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: update internal module version number CIFS: Fix error paths in writeback code CIFS: Move credit processing to mid callbacks for SMB3 CIFS: Fix credits calculation for cancelled requests cifs: Fix potential OOB access of lock element array cifs: Limit memory used by lock request calls to a page cifs: move large array from stack to heap CIFS: Do not hide EINTR after sending network packets CIFS: Fix credit computation for compounded requests CIFS: Do not set credits to 1 if the server didn't grant anything CIFS: Fix adjustment of credits for MTU requests cifs: Fix a tiny potential memory leak cifs: Fix a debug message
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git://git.pengutronix.de/git/pza/linuxOlof Johansson authored
Late reset controller changes for v5.0 This adds missing deassert functionality to the ARC HSDK reset driver, fixes some indentation and grammar issues in the kernel docs, adds a helper to count the number of resets on a device for the non-DT case as well, adds an early reset driver for SoCFPGA and simple reset driver support for Stratix10, and generalizes the uniphier USB3 glue layer reset to also cover AHCI. * tag 'reset-for-5.0-rc2' of git://git.pengutronix.de/git/pza/linux: reset: uniphier-glue: Add AHCI reset control support in glue layer dt-bindings: reset: uniphier: Add AHCI core reset description reset: uniphier-usb3: Rename to reset-uniphier-glue dt-bindings: reset: uniphier: Replace the expression of USB3 with generic peripherals ARM: socfpga: dts: document "altr,stratix10-rst-mgr" binding reset: socfpga: add an early reset driver for SoCFPGA reset: fix null pointer dereference on dev by dev_name reset: Add reset_control_get_count() reset: Improve reset controller kernel docs ARC: HSDK: improve reset driver Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.infradead.org/linux-mvebuOlof Johansson authored
mvebu fixes for 5.0 They are all device tree fixes which also worth being in stable: - Reserve PSCI area on Armada 7K/8K preventing the kernel accessing this area and crashing while doing it. - Use correct PCIe reset signal on MACCHIATOBin (Armada 8040 based) - Fix polarity of GPIO fan line D-Link DNS NASes(kikwood based) * tag 'mvebu-fixes-5.0-1' of git://git.infradead.org/linux-mvebu: ARM: dts: kirkwood: Fix polarity of GPIO fan lines arm64: dts: marvell: mcbin: fix PCIe reset signal arm64: dts: marvell: armada-ap806: reserve PSCI area Signed-off-by: Olof Johansson <olof@lixom.net>
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