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2014-12-08nios2: fix error handling of irq_of_parse_and_mapDmitry Torokhov
Return value of irq_of_parse_and_map() is unsigned int, with 0 indicating failure, so testing for negative result never works. Signed-off-by: Dmitry Torokhov <dtor@chromium.org> Reviewed-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Use IS_ENABLED instead of #ifdefs to check config symbolsTobias Klauser
Make the checking for div/mul/mulx instruction config symbols easier to read by using IS_ENABLED instead of #ifdefs. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Build infrastructureLey Foon Tan
This patch adds Makefile and Kconfig files required for building a nios2 kernel. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08Documentation: Add documentation for Nios2 architectureLey Foon Tan
Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08MAINTAINERS: Add nios2 maintainerLey Foon Tan
Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: ptrace supportLey Foon Tan
Add ptrace support for nios2. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Module supportLey Foon Tan
This patch adds support for loadable modules. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Nios2 registersLey Foon Tan
This file contains constants for the instruction macros, cpu registers, fields and bits. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Miscellaneous header filesLey Foon Tan
This patch introduces a few nios2-specific header files. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Cpuinfo handlingLey Foon Tan
Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Time keepingLey Foon Tan
Add time keeping code for nios2. Signed-off-by: Ley Foon Tan <lftan@altera.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2014-12-08nios2: Device tree supportLey Foon Tan
Add device tree support to arch/nios2. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Library functionsLey Foon Tan
Add optimised library functions for nios2. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Signal handling supportLey Foon Tan
This patch adds support for signal handling. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: System calls handlingLey Foon Tan
This patch adds support for system calls from userspaces. It uses the asm-generic/unistd.h definitions with architecture spcific syscall. The sys_call_table is just an array defined in a C file and it contains pointers to the syscall functions. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: ELF definitionsLey Foon Tan
This patch adds definitions for the ELF format Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08Add ELF machine define for Nios2Ley Foon Tan
Signed-off-by: Ley Foon Tan <lftan@altera.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-12-08nios2: DMA mapping APILey Foon Tan
This patch adds support for the DMA mapping API. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Interrupt handlingLey Foon Tan
This patch adds the support for IRQ handling. Signed-off-by: Ley Foon Tan <lftan@altera.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2014-12-08nios2: TLB handlingLey Foon Tan
This patch adds the TLB maintenance functions. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Cache handlingLey Foon Tan
This patch adds functionality required for cache maintenance. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Process managementLey Foon Tan
This patch adds support for thread creation and context switching. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Page table managementLey Foon Tan
This patch adds support for page table management. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: MMU Fault handlingLey Foon Tan
This patch adds support for the handling of the MMU faults (exception entry code introduced by a previous patch, kernel/entry.S). Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: I/O MappingLey Foon Tan
This patch adds several definitions for I/O accessors and ioremap(). Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Memory managementLey Foon Tan
This patch contains the initialisation of the memory blocks, MMU attributes and the memory map. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Traps exception handlingLey Foon Tan
This patch contains traps exception handling. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Exception handlingLey Foon Tan
This patch contains the exception entry code (kernel/entry.S) and misaligned exception. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Kernel booting and initializationLey Foon Tan
This patch adds the kernel booting and the initial setup code. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Assembly macros and definitionsLey Foon Tan
This patch add assembly macros and definitions used in the .S files across arch/nios2/ and together with asm-offsets.c. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08asm-generic: add generic futex for !CONFIG_SMPLey Foon Tan
Follow m68k futex implementation for !CONFIG_SMP. Signed-off-by: Ley Foon Tan <lftan@altera.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-12-07cifs: convert printk(LEVEL...) to pr_<level>Andy Shevchenko
The useful macros embed message level in the name. Thus, it cleans up the code a bit. In cases when it was plain printk() the conversion was done to info level. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Steve French <steve.french@primarydata.com>
2014-12-07cifs: convert to print_hex_dump() instead of custom implementationAndy Shevchenko
This patch converts custom dumper to use native print_hex_dump() instead. The cifs_dump_mem() will have an offsets per each line which differs it from the original code. In the dump_smb() we may use native print_hex_dump() as well. It will show slightly different output in ASCII part when character is unprintable, otherwise it keeps same structure. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Steve French <steve.french@primarydata.com>
2014-12-07cifs: call strtobool instead of custom implementationAndy Shevchenko
Meanwhile it cleans up the code, the behaviour is slightly changed. In case of providing non-boolean value it will fails with corresponding error. In the original code the attempt of an update was just ignored in such case. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Jeff Layton <jlayton@poochiereds.net> Reviewed-by: Alexander Bokovoy <ab@samba.org> Signed-off-by: Steve French <steve.french@primarydata.com>
2014-12-07Update MAINTAINERS entryKevin Cernekee
Update link to point to Steve's current tree on git.samba.org. Remove link to the old patchwork instance which shows no new patches since 2010. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
2014-12-08thermal: Fix error path in thermal_init()Luis Henriques
thermal_unregister_governors() and class_unregister() were being called in the wrong order. Fixes: 80a26a5c22b9 ("Thermal: build thermal governors into thermal_sys module") Cc: stable@vger.kernel.org Signed-off-by: Luis Henriques <luis.henriques@canonical.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2014-12-07Update modinfo cifs version for cifs.koSteve French
update cifs version to 2.06 Signed-off-by: Steve French <smfrench@gmail.com>
2014-12-07decode_negTokenInit had wrong calling sequenceSteve French
For krb5 enablement of SMB3, decoding negprot, caller now passes server struct not the old sec_type
2014-12-07Add missing defines for ACL query supportSteve French
Add missing defines needed for ACL query support. For definitions of these security info type additionalinfo flags and also the EA Flags see MS-SMB2 (2.2.37) or MS-DTYP Signed-of-by: Steven French <smfrench@gmail.com> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
2014-12-07Add support for original fallocateSteve French
In many cases the simple fallocate call is a no op (since the file is already not sparse) or can simply be converted from a sparse to a non-sparse file if we are fallocating the whole file and keeping the size. Signed-off-by: Steven French <smfrench@gmail.com>
2014-12-08thermal: lock the thermal zone when switching governorsJavi Merino
Currently, userspace can request a governor change while the governor itself is running. Grab the thermal zone lock when changing the governor to prevent this race. Signed-off-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2014-12-08thermal: core: ignore invalid trip temperatureSrinivas Pandruvada
Ignore invalid trip temperature less or equal to zero. Some buggy systems have invalid trips, causing system shutdown. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2014-12-08Merge branch 'drm_iommu_v15' of ↵Dave Airlie
https://github.com/markyzq/kernel-drm-rockchip into drm-next Merge rockchip GPU support. This has a branch in common with the iommu tree, hopefully the process works. * 'drm_iommu_v15' of https://github.com/markyzq/kernel-drm-rockchip: dt-bindings: video: Add documentation for rockchip vop dt-bindings: video: Add for rockchip display subsytem drm: rockchip: Add basic drm driver dt-bindings: iommu: Add documentation for rockchip iommu iommu/rockchip: rk3288 iommu driver
2014-12-08Merge branch 'amdkfd-next-3.19' of ↵Dave Airlie
git://people.freedesktop.org/~gabbayo/linux into drm-next As discussed on irc, I'm sending a pull request with one important change: - Disable support for 32-bit user processes. This is done due to AMD's decision to remove support for 32-bit user processes on Linux for its HSA stack. * 'amdkfd-next-3.19' of git://people.freedesktop.org/~gabbayo/linux: amdkfd: Disable support for 32-bit user processes
2014-12-08powerpc/powernv: Return to cpu offline loop when finished in KVM guestPaul Mackerras
When a secondary hardware thread has finished running a KVM guest, we currently put that thread into nap mode using a nap instruction in the KVM code. This changes the code so that instead of doing a nap instruction directly, we instead cause the call to power7_nap() that put the thread into nap mode to return. The reason for doing this is to avoid having the KVM code having to know what low-power mode to put the thread into. In the case of a secondary thread used to run a KVM guest, the thread will be offline from the point of view of the host kernel, and the relevant power7_nap() call is the one in pnv_smp_cpu_disable(). In this case we don't want to clear pending IPIs in the offline loop in that function, since that might cause us to miss the wakeup for the next time the thread needs to run a guest. To tell whether or not to clear the interrupt, we use the SRR1 value returned from power7_nap(), and check if it indicates an external interrupt. We arrange that the return from power7_nap() when we have finished running a guest returns 0, so pending interrupts don't get flushed in that case. Note that it is important a secondary thread that has finished executing in the guest, or that didn't have a guest to run, should not return to power7_nap's caller while the kvm_hstate.hwthread_req flag in the PACA is non-zero, because the return from power7_nap will reenable the MMU, and the MMU might still be in guest context. In this situation we spin at low priority in real mode waiting for hwthread_req to become zero. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2014-12-08Merge tag 'v3.18' into drm-nextDave Airlie
Linux 3.18 Backmerge Linus tree into -next as we had conflicts in i915/radeon/nouveau, and everyone was solving them individually. * tag 'v3.18': (57 commits) Linux 3.18 watchdog: s3c2410_wdt: Fix the mask bit offset for Exynos7 uapi: fix to export linux/vm_sockets.h i2c: cadence: Set the hardware time-out register to maximum value i2c: davinci: generate STP always when NACK is received ahci: disable MSI on SAMSUNG 0xa800 SSD context_tracking: Restore previous state in schedule_user slab: fix nodeid bounds check for non-contiguous node IDs lib/genalloc.c: export devm_gen_pool_create() for modules mm: fix anon_vma_clone() error treatment mm: fix swapoff hang after page migration and fork fat: fix oops on corrupted vfat fs ipc/sem.c: fully initialize sem_array before making it visible drivers/input/evdev.c: don't kfree() a vmalloc address cxgb4: Fill in supported link mode for SFP modules xen-netfront: Remove BUGs on paged skb data which crosses a page boundary mm/vmpressure.c: fix race in vmpressure_work_fn() mm: frontswap: invalidate expired data on a dup-store failure mm: do not overwrite reserved pages counter at show_mem() drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with 3.18.0-rc6 ... Conflicts: drivers/gpu/drm/i915/intel_display.c drivers/gpu/drm/nouveau/nouveau_drm.c drivers/gpu/drm/radeon/radeon_cs.c
2014-12-07Linux 3.18Linus Torvalds
2014-12-07genirq: Move irq_chip_write_msi_msg() helper to coreThomas Gleixner
No point to expose this to the world. The only legitimate user is the core code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Marc Zyngier <marc.zyngier@arm.com>
2014-12-07can: flexcan: Consolidate and unify state change handlingAndri Yngvason
Replacing error state change handling with the new mechanism. Signed-off-by: Andri Yngvason <andri.yngvason@marel.com> Acked-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-12-07can: mscan: Consolidate and unify state change handlingAndri Yngvason
Replacing error state change handling with the new mechanism. Signed-off-by: Andri Yngvason <andri.yngvason@marel.com> Acked-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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