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2013-07-04arm64: KVM: Kconfig integrationMarc Zyngier1-0/+2
Finally plug KVM/arm64 into the config system, making it possible to enable KVM support on AArch64 CPUs. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-07-01Merge branch 'for-next/hugepages' of ↵Catalin Marinas1-0/+17
git://git.linaro.org/people/stevecapper/linux into upstream-hugepages * 'for-next/hugepages' of git://git.linaro.org/people/stevecapper/linux: ARM64: mm: THP support. ARM64: mm: Raise MAX_ORDER for 64KB pages and THP. ARM64: mm: HugeTLB support. ARM64: mm: Move PTE_PROT_NONE bit. ARM64: mm: Make PAGE_NONE pages read only and no-execute. ARM64: mm: Restore memblock limit when map_mem finished. mm: thp: Correct the HPAGE_PMD_ORDER check. x86: mm: Remove general hugetlb code from x86. mm: hugetlb: Copy general hugetlb code from x86 to mm. x86: mm: Remove x86 version of huge_pmd_share. mm: hugetlb: Copy huge_pmd_share from x86 to mm. Conflicts: arch/arm64/Kconfig arch/arm64/include/asm/pgtable-hwdef.h arch/arm64/include/asm/pgtable.h
2013-06-20arm64: Add Kconfig option for APM X-Gene SOC familyVinayak Kale1-0/+7
This patch adds arm64/Kconfig option for APM X-Gene SOC family. Signed-off-by: Kumar Sankaran <ksankaran@apm.com> Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Feng Kan <fkan@apm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-06-14ARM64: mm: THP support.Steve Capper1-0/+3
Bring Transparent HugePage support to ARM. The size of a transparent huge page depends on the normal page size. A transparent huge page is always represented as a pmd. If PAGE_SIZE is 4KB, THPs are 2MB. If PAGE_SIZE is 64KB, THPs are 512MB. Signed-off-by: Steve Capper <steve.capper@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2013-06-14ARM64: mm: Raise MAX_ORDER for 64KB pages and THP.Steve Capper1-0/+5
The buddy allocator has a default MAX_ORDER of 11, which is too low to allocate enough memory for 512MB Transparent HugePages if our base page size is 64KB. This patch introduces MAX_ZONE_ORDER and sets it to 14 when 64KB pages are used in conjuction with THP, otherwise the default value of 11 is used. Signed-off-by: Steve Capper <steve.capper@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2013-06-14ARM64: mm: HugeTLB support.Steve Capper1-0/+9
Add huge page support to ARM64, different huge page sizes are supported depending on the size of normal pages: PAGE_SIZE is 4KB: 2MB - (pmds) these can be allocated at any time. 1024MB - (puds) usually allocated on bootup with the command line with something like: hugepagesz=1G hugepages=6 PAGE_SIZE is 64KB: 512MB - (pmds) usually allocated on bootup via command line. Signed-off-by: Steve Capper <steve.capper@linaro.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
2013-06-12Merge tag 'xen-arm64-3.1-tag' of ↵Catalin Marinas1-0/+10
git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen into upstream Introduce Xen support to ARM64 * tag 'xen-arm64-3.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen: MAINTAINERS: add myself as arm64/xen maintainer arm64/xen: introduce CONFIG_XEN and hypercall.S on ARM64 arm64/xen: use XEN_IO_PROTO_ABI_ARM on ARM64 arm64/xen: implement ioremap_cached on arm64 arm64/xen: introduce asm/xen header files on arm64 arm/xen: define xen_remap as ioremap_cached
2013-06-12arm64: extable: sort the exception table at build timeWill Deacon1-0/+1
As is done for other architectures, sort the exception table at build-time rather than during boot. Since sortextable appears to be a standalone C program relying on the host elf.h to provide EM_AARCH64, I've had to add a conditional check in order to allow cross-compilation on machines that aren't running a bleeding-edge libc-dev. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-06-07arm64/xen: introduce CONFIG_XEN and hypercall.S on ARM64Stefano Stabellini1-0/+10
Introduce CONFIG_XEN and the implementation of hypercall.S (that is the only ARMv8 specific code in Xen support for ARM). Compile enlighten.c and grant_table.c from arch/arm. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
2013-05-14arm64: Do not source kernel/time/Kconfig explicitlyCatalin Marinas1-2/+0
As per commit 764e0da1 (timers: Fixup the Kconfig consolidation fallout), init/Kconfig already includes kernel/time/Kconfig, so no need to do it explicitly for arm64. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-05-09Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linuxLinus Torvalds1-3/+0
Pull removal of GENERIC_GPIO from Grant Likely: "GENERIC_GPIO now synonymous with GPIOLIB. There are no longer any valid cases for enableing GENERIC_GPIO without GPIOLIB, even though it is possible to do so which has been causing confusion and breakage. This branch does the work to completely eliminate GENERIC_GPIO." * tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: gpio: update gpio Chinese documentation Remove GENERIC_GPIO config option Convert selectors of GENERIC_GPIO to GPIOLIB blackfin: force use of gpiolib m68k: coldfire: use gpiolib mips: pnx833x: remove requirement for GENERIC_GPIO openrisc: default GENERIC_GPIO to false avr32: default GENERIC_GPIO to false xtensa: remove explicit selection of GENERIC_GPIO sh: replace CONFIG_GENERIC_GPIO by CONFIG_GPIOLIB powerpc: remove redundant GENERIC_GPIO selection unicore32: default GENERIC_GPIO to false unicore32: remove unneeded select GENERIC_GPIO arm: plat-orion: use GPIO driver on CONFIG_GPIOLIB arm: remove redundant GENERIC_GPIO selection mips: alchemy: require gpiolib mips: txx9: change GENERIC_GPIO to GPIOLIB mips: loongson: use GPIO driver on CONFIG_GPIOLIB mips: remove redundant GENERIC_GPIO select
2013-05-08arm64: vexpress: Add support for poweroff/restartCatalin Marinas1-0/+3
This patch adds the arm_pm_poweroff definition expected by the vexpress-poweroff.c driver and enables the latter for arm64. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Pawel Moll <pawel.moll@arm.com>
2013-05-08arm64: Enable support for the ARM GIC interrupt controllerCatalin Marinas1-0/+1
This patch enables ARM_GIC on the arm64 kernel. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-04-26arm64: vexpress: Enable ARMv8 RTSM model (SoC) supportCatalin Marinas1-1/+10
This patch adds the necessary Kconfig entries to enable support for the ARMv8 software model (Versatile Express platform) together with the defconfig update. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-04-16Remove GENERIC_GPIO config optionAlexandre Courbot1-3/+0
GENERIC_GPIO has been made equivalent to GPIOLIB in architecture code and all driver code has been switch to depend on GPIOLIB. It is thus safe to have GENERIC_GPIO removed. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-19arm64: Do not select GENERIC_HARDIRQS_NO_DEPRECATEDPaul Bolle1-1/+0
Config option GENERIC_HARDIRQS_NO_DEPRECATED was removed in commit 78c89825649a9a5ed526c507603196f467d781a5 ("genirq: Remove the now obsolete config options and select statements"), but the select was accidentally reintroduced in commit 8c2c3df31e3b87cb5348e48776c366ebd1dc5a7a ("arm64: Build infrastructure"). Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-02-26Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linuxLinus Torvalds1-1/+2
Pull GPIO changes from Grant Likely: "This branch contains the usual set of individual driver improvements and bug fixes, as well as updates to the core code. The more notable changes include: - Internally add new API for referencing GPIOs by gpio_desc instead of number. Eventually this will become a public API - ACPI GPIO binding support" * tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: (33 commits) arm64: select ARCH_WANT_OPTIONAL_GPIOLIB gpio: em: Use irq_domain_add_simple() to fix runtime error gpio: using common order: let 'static const' instead of 'const static' gpio/vt8500: memory cleanup missing gpiolib: Fix locking on gpio debugfs files gpiolib: let gpio_chip reference its descriptors gpiolib: use descriptors internally gpiolib: use gpio_chips list in gpiochip_find_base gpiolib: use gpio_chips list in sysfs ops gpiolib: use gpio_chips list in gpiochip_find gpiolib: use gpio_chips list in gpiolib_sysfs_init gpiolib: link all gpio_chips using a list gpio/langwell: cleanup driver gpio/langwell: Add Cloverview ids to pci device table gpio/lynxpoint: add chipset gpio driver. gpiolib: add missing braces in gpio_direction_show gpiolib-acpi: Fix error checks in interrupt requesting gpio: mpc8xxx: don't set IRQ_TYPE_NONE when creating irq mapping gpiolib: remove gpiochip_reserve() arm: pxa: tosa: do not use gpiochip_reserve() ...
2013-02-23Merge branch 'for-linus' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull signal handling cleanups from Al Viro: "This is the first pile; another one will come a bit later and will contain SYSCALL_DEFINE-related patches. - a bunch of signal-related syscalls (both native and compat) unified. - a bunch of compat syscalls switched to COMPAT_SYSCALL_DEFINE (fixing several potential problems with missing argument validation, while we are at it) - a lot of now-pointless wrappers killed - a couple of architectures (cris and hexagon) forgot to save altstack settings into sigframe, even though they used the (uninitialized) values in sigreturn; fixed. - microblaze fixes for delivery of multiple signals arriving at once - saner set of helpers for signal delivery introduced, several architectures switched to using those." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (143 commits) x86: convert to ksignal sparc: convert to ksignal arm: switch to struct ksignal * passing alpha: pass k_sigaction and siginfo_t using ksignal pointer burying unused conditionals make do_sigaltstack() static arm64: switch to generic old sigaction() (compat-only) arm64: switch to generic compat rt_sigaction() arm64: switch compat to generic old sigsuspend arm64: switch to generic compat rt_sigqueueinfo() arm64: switch to generic compat rt_sigpending() arm64: switch to generic compat rt_sigprocmask() arm64: switch to generic sigaltstack sparc: switch to generic old sigsuspend sparc: COMPAT_SYSCALL_DEFINE does all sign-extension as well as SYSCALL_DEFINE sparc: kill sign-extending wrappers for native syscalls kill sparc32_open() sparc: switch to use of generic old sigaction sparc: switch sys_compat_rt_sigaction() to COMPAT_SYSCALL_DEFINE mips: switch to generic sys_fork() and sys_clone() ...
2013-02-22arm64: select ARCH_WANT_OPTIONAL_GPIOLIBArnd Bergmann1-1/+2
An architecture should not unconditionally enable 'GENERIC_GPIO' without providing an implementation. In case of arm64, selecting ARCH_WANT_OPTIONAL_GPIOLIB is the right solution, because it lets us enable GPIOLIB when configuring the kernel, and that implicitly turns on GENERIC_GPIO. Reported-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-02-21Merge tag 'virt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-0/+1
Pull ARM virtualization changes: "This contains parts of the ARM KVM support that have dependencies on other patches merged through the arm-soc tree. In combination with patches coming through Russell's tree, this will finally add full support for the kernel based virtual machine on ARM, which has been awaited for some time now. Further, we now have a separate platform for virtual machines and qemu booting that is used by both Xen and KVM, separating these from the Versatile Express reference implementation. Obviously, this new platform is multiplatform capable so it can be combined with existing machines in the same kernel." * tag 'virt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits) ARM: arch_timer: include linux/errno.h arm: arch_timer: add missing inline in stub function ARM: KVM: arch_timers: Wire the init code and config option ARM: KVM: arch_timers: Add timer world switch ARM: KVM: arch_timers: Add guest timer core support ARM: KVM: Add VGIC configuration option ARM: KVM: VGIC initialisation code ARM: KVM: VGIC control interface world switch ARM: KVM: VGIC interrupt injection ARM: KVM: vgic: retire queued, disabled interrupts ARM: KVM: VGIC virtual CPU interface management ARM: KVM: VGIC distributor handling ARM: KVM: VGIC accept vcpu and dist base addresses from user space ARM: KVM: Initial VGIC infrastructure code ARM: KVM: Keep track of currently running vcpus KVM: ARM: Introduce KVM_ARM_SET_DEVICE_ADDR ioctl ARM: gic: add __ASSEMBLY__ guard to C definitions ARM: gic: define GICH offsets for VGIC support ARM: gic: add missing distributor defintions ARM: mach-virt: fixup machine descriptor after removal of sys_timer ...
2013-02-20Merge tag 'arm64-for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 Pull arm64 patches from Catalin Marinas: - SMP support for the PSCI booting protocol (power state coordination interface). - Simple earlyprintk support. - Platform devices populated by default from the DT (SoC-agnostic). - CONTEXTIDR support (used by external trace tools). * tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: arm64: mm: update CONTEXTIDR register to contain PID of current process arm64: atomics: fix grossly inconsistent asm constraints for exclusives arm64: compat: use compat_uptr_t type for compat_ucontext.uc_link arm64: Select ARCH_WANT_FRAME_POINTERS arm64: Add kvm_para.h and xor.h generic headers arm64: SMP: enable PSCI boot method arm64: psci: add support for PSCI invocations from the kernel arm64: SMP: rework the SMP code to be enabling method agnostic arm64: perf: add guest vs host discrimination arm64: add COMPAT_PSR_*_BIT flags arm64: Add simple earlyprintk support arm64: Populate the platform devices
2013-02-14burying unused conditionalsAl Viro1-5/+0
__ARCH_WANT_SYS_RT_SIGACTION, __ARCH_WANT_SYS_RT_SIGSUSPEND, __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND, __ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL - not used anymore CONFIG_GENERIC_{SIGALTSTACK,COMPAT_RT_SIG{ACTION,QUEUEINFO,PENDING,PROCMASK}} - can be assumed always set.
2013-02-14arm64: switch to generic old sigaction() (compat-only)Al Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-14arm64: switch to generic compat rt_sigaction()Al Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-14arm64: switch compat to generic old sigsuspendAl Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-14arm64: switch to generic compat rt_sigqueueinfo()Al Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-14arm64: switch to generic compat rt_sigpending()Al Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-14arm64: switch to generic compat rt_sigprocmask()Al Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-14arm64: switch to generic sigaltstackAl Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-01-31arm64: move from arm_generic to arm_arch_timerMark Rutland1-0/+1
The arch_timer driver supports a superset of the functionality of the arm_generic driver, and is not tied to a particular arch. This patch moves arm64 to use the arch_timer driver, gaining additional functionality in doing so, and removes the (now unused) arm_generic driver. Timer-related hooks specific to arm64 are moved into arch/arm64/kernel/time.c. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2013-01-29arm64: Select ARCH_WANT_FRAME_POINTERSCatalin Marinas1-0/+1
The compiler generates framepointers by default anyway but this is to avoid a kbuild warning. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-01-24Merge branch 'core/irq_work' of ↵Ingo Molnar1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into irq/core irq_work fixes and cleanups, in preparation for full dyntics support. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-01-04arm64: Always select ARM_AMBA and GENERIC_GPIOCatalin Marinas1-0/+4
Needed for most SoCs. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-01-02arm64: Keep the ARM64 Kconfig selects sortedCatalin Marinas1-1/+1
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-20Merge branch 'for-linus' of ↵Linus Torvalds1-2/+0
git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull signal handling cleanups from Al Viro: "sigaltstack infrastructure + conversion for x86, alpha and um, COMPAT_SYSCALL_DEFINE infrastructure. Note that there are several conflicts between "unify SS_ONSTACK/SS_DISABLE definitions" and UAPI patches in mainline; resolution is trivial - just remove definitions of SS_ONSTACK and SS_DISABLED from arch/*/uapi/asm/signal.h; they are all identical and include/uapi/linux/signal.h contains the unified variant." Fixed up conflicts as per Al. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: alpha: switch to generic sigaltstack new helpers: __save_altstack/__compat_save_altstack, switch x86 and um to those generic compat_sys_sigaltstack() introduce generic sys_sigaltstack(), switch x86 and um to it new helper: compat_user_stack_pointer() new helper: restore_altstack() unify SS_ONSTACK/SS_DISABLE definitions new helper: current_user_stack_pointer() missing user_stack_pointer() instances Bury the conditionals from kernel_thread/kernel_execve series COMPAT_SYSCALL_DEFINE: infrastructure
2012-12-19Bury the conditionals from kernel_thread/kernel_execve seriesAl Viro1-2/+0
All architectures have CONFIG_GENERIC_KERNEL_THREAD CONFIG_GENERIC_KERNEL_EXECVE __ARCH_WANT_SYS_EXECVE None of them have __ARCH_WANT_KERNEL_EXECVE and there are only two callers of kernel_execve() (which is a trivial wrapper for do_execve() now) left. Kill the conditionals and make both callers use do_execve(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-12-12Merge branch 'for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull big execve/kernel_thread/fork unification series from Al Viro: "All architectures are converted to new model. Quite a bit of that stuff is actually shared with architecture trees; in such cases it's literally shared branch pulled by both, not a cherry-pick. A lot of ugliness and black magic is gone (-3KLoC total in this one): - kernel_thread()/kernel_execve()/sys_execve() redesign. We don't do syscalls from kernel anymore for either kernel_thread() or kernel_execve(): kernel_thread() is essentially clone(2) with callback run before we return to userland, the callbacks either never return or do successful do_execve() before returning. kernel_execve() is a wrapper for do_execve() - it doesn't need to do transition to user mode anymore. As a result kernel_thread() and kernel_execve() are arch-independent now - they live in kernel/fork.c and fs/exec.c resp. sys_execve() is also in fs/exec.c and it's completely architecture-independent. - daemonize() is gone, along with its parts in fs/*.c - struct pt_regs * is no longer passed to do_fork/copy_process/ copy_thread/do_execve/search_binary_handler/->load_binary/do_coredump. - sys_fork()/sys_vfork()/sys_clone() unified; some architectures still need wrappers (ones with callee-saved registers not saved in pt_regs on syscall entry), but the main part of those suckers is in kernel/fork.c now." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (113 commits) do_coredump(): get rid of pt_regs argument print_fatal_signal(): get rid of pt_regs argument ptrace_signal(): get rid of unused arguments get rid of ptrace_signal_deliver() arguments new helper: signal_pt_regs() unify default ptrace_signal_deliver flagday: kill pt_regs argument of do_fork() death to idle_regs() don't pass regs to copy_process() flagday: don't pass regs to copy_thread() bfin: switch to generic vfork, get rid of pointless wrappers xtensa: switch to generic clone() openrisc: switch to use of generic fork and clone unicore32: switch to generic clone(2) score: switch to generic fork/vfork/clone c6x: sanitize copy_thread(), get rid of clone(2) wrapper, switch to generic clone() take sys_fork/sys_vfork/sys_clone prototypes to linux/syscalls.h mn10300: switch to generic fork/vfork/clone h8300: switch to generic fork/vfork/clone tile: switch to generic clone() ... Conflicts: arch/microblaze/include/asm/Kbuild
2012-11-29ARM64: Remove incorrect Kconfig symbol HAVE_SPARSE_IRQAlexander Shiyan1-1/+0
Kernel does not contain symbol HAVE_SPARSE_IRQ. Definition in arch/arm64/Kconfig seems typo because valid symbol is MAY_HAVE_SPARSE_IRQ. In any case SPARSE_IRQ is selected by default and we just remove selecting of this symbol. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-11-28arm64: sanitize copy_thread(), switch to generic fork/vfork/cloneAl Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-11-20arm64: Force use of common clk at architecture levelDeepak Saxena1-0/+1
Force all platforms to use the common clk framework to ensure that we do not end up with platform-specific implementations ala ARM32. Signed-off-by: Deepak Saxena <dsaxena@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-11-17irq_work: Remove CONFIG_HAVE_IRQ_WORKFrederic Weisbecker1-1/+0
irq work can run on any arch even without IPI support because of the hook on update_process_times(). So lets remove HAVE_IRQ_WORK because it doesn't reflect any backend requirement. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
2012-11-16Merge branch 'arch-microblaze' into no-rebasesAl Viro1-0/+1
2012-11-16Merge branch 'arch-frv' into no-rebasesAl Viro1-0/+1
2012-11-13Merge tag 'v3.7-rc5' into execveCatalin Marinas1-0/+2
Linux 3.7-rc5 Conflicts: arch/arm64/kernel/process.c
2012-11-08arm64: compat: select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSIONWill Deacon1-0/+1
Commit c1d7e01d7877 ("ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION") replaced the __ARCH_WANT_COMPAT_IPC_PARSE_VERSION token with a corresponding Kconfig option instead. This patch updates arm64 to use the latter, rather than #define an unused token. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-18arm64: Select MODULES_USE_ELF_RELACatalin Marinas1-0/+1
With commit 786d35d4 (make most arch asm/module.h files use asm-generic/module.h) arm64 needs to enable MODULES_USE_ELF_RELA for loadable modules. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Will Deacon <Will.Deacon@arm.com>
2012-10-17arm64: Use generic kernel_execve() implementationCatalin Marinas1-0/+1
This patch enables CONFIG_GENERIC_KERNEL_EXECVE on arm64 and removes the arm64-specific implementation of kernel_execve(). Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-17arm64: Use generic kernel_thread() implementationCatalin Marinas1-0/+1
This patch enables CONFIG_GENERIC_KERNEL_THREAD on arm64, changes copy_threads to cope with kernel threads creation and adapts ret_from_fork accordingly. The arm64-specific kernel_thread implementation is no longer needed. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-09Kconfig: clean up the "#if defined(arch)" list for exception-trace sysctl entryCatalin Marinas1-0/+1
Introduce SYSCTL_EXCEPTION_TRACE config option and selec it in the architectures requiring support for the "exception-trace" debug_table entry in kernel/sysctl.c. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-09Kconfig: clean up the long arch list for the DEBUG_BUGVERBOSE config optionCatalin Marinas1-0/+1
Introduce HAVE_DEBUG_BUGVERBOSE config option and select it in corresponding architecture Kconfig files. Architectures that already select GENERIC_BUG don't need to select HAVE_DEBUG_BUGVERBOSE. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: David Howells <dhowells@redhat.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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