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2014-12-08nios2: Make NIOS2_CMDLINE_IGNORE_DTB depend on CMDLINE_BOOLTobias Klauser
If NIOS2_CMDLINE_IGNORE_DTB is selected but CMDLINE_BOOL isn't and thus CONFIG_CMDLINE is not defined, the build fails with the following error: arch/nios2/kernel/setup.c: In function 'nios2_boot_init': arch/nios2/kernel/setup.c:131:30: error: 'CONFIG_CMDLINE' undeclared (first use in this function) strncpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE); This can be reproduced using randconfig with KCONFIG_SEED=0xE5B8749E, i.e. 'make KCONFIG_SEED=0xE5B8749E ARCH=nios2 randconfig'. Fix this by letting NIOS2_CMDLINE_IGNORE_DTB depend on CMDLINE_BOOL, so we actually have a default kernel command string to fall back to. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Add missing NR_CPUS to KconfigTobias Klauser
kernel/time/Kconfig expects that NR_CPUS is defined. This fixes the following config warning: "kernel/time/Kconfig:163:warning: range is invalid" Follow 4cbbbb43d666 ("microblaze: Fix missing NR_CPUS in menuconfig") Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: asm-offsets: Remove unused definition TI_TASKTobias Klauser
TI_TASK is not used in nios2 assembly code, so remove it. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Remove write-only struct member from nios2_timerTobias Klauser
The irq member of struct nios2_timer is only written to but never read, thus it can be removed. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: Remove unused extern declaration of shm_align_maskTobias Klauser
shm_align_mask is not defined/used on nios2, thus there is no need to declare it. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: include linux/type.h in io.hLey Foon Tan
This is require for __iomem definition. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: move include asm-generic/io.h to end of fileLey Foon Tan
Move asm-generic/io.h to end of file to override functions like phys_to_virt, virt_to_phys in asm-generic/io.h. This is due to recent commit 9216efaf introduced new way to override functions by checking for the existence of a macro with the same of the function. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: remove include asm-generic/iomap.h from io.hLey Foon Tan
Don't need asm-generic/iomap.h and asm-generic/io.h added default ioread8/16/32 iowrite8/16/32 implementation. Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08nios2: remove unnecessary space before defineLey Foon Tan
Remove extra space between # and define. Signed-off-by: Ley Foon Tan <lftan@altera.com>
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>
2014-12-07Update 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>
2014-12-08powerpc/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>
2014-12-07Linux 3.18v3.18Linus Torvalds
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