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Date: Fri, 22 Feb 2013 22:06:18 +0100 From: Helge Deller <deller@....de> To: Vineet Gupta <Vineet.Gupta1@...opsys.com> CC: Linus Torvalds <torvalds@...ux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>, Thomas Gleixner <tglx@...utronix.de>, Gilad Ben-Yossef <gilad@...yossef.com>, Mischa Jonker <Mischa.Jonker@...opsys.com> Subject: Re: [GIT PULL] arch/arc for v3.9-rc1 On 02/22/2013 07:58 AM, Vineet Gupta wrote: > Hi Linus, > > I would like to introduce the Linux port to ARC Processors (from Synopsys) for > 3.9-rc1. The patch-set has been discussed on the public lists since Nov and has > received a fair bit of review, specially from Arnd, tglx, Al and other subsystem > maintainers for DeviceTree, kgdb ..... > > The arch bits are in arch/arc, some asm-generic changes (acked by Arnd), a minor > change to PARISC (acked by Helge). > > The series is a touch bigger for a new port for 2 main reasons: > 1. It enables a basic kernel in first sub-series and adds ptrace/kgdb/.. later > 2. Some of the fallout of review (DeviceTree support, multi-platform-image > support) were added on top of orig series, primarily to record the revision history. > > Please consider pulling. > > Thanks, > Vineet > > > The following changes since commit 949db153b6466c6f7cad5a427ecea94985927311: > > Linux 3.8-rc5 (2013-01-25 11:57:28 -0800) > > are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git tags/arc-v3.9-rc1 > > for you to fetch changes up to fc32781bfdb56dad883469b65e468e749ef35fe5: > > ARC: [plat-arcfpga] DT arc-uart bindings change: "baud" => "current-speed" > (2013-02-15 23:16:22 +0530) > > ---------------------------------------------------------------- > Introducing Linux port to Synopsys ARC Processors (for 3.9-rc1) > > This patchset contains architecture specific bits (arch/arc) to enable Linux on > ARC700 Processor and some minor adjustments to generic code (reviewed/acked). > > ---------------------------------------------------------------- > Gilad Ben-Yossef (1): > ARC: Add support for ioremap_prot API > > Mischa Jonker (1): > ARC: kgdb support > > Vineet Gupta (75): > ARC: Generic Headers > ARC: Build system: Makefiles, Kconfig, Linker script > ARC: irqflags - Interrupt enabling/disabling at in-core intc > ARC: Atomic/bitops/cmpxchg/barriers > asm-generic headers: uaccess.h to conditionally define segment_eq() > ARC: uaccess friends > asm-generic: uaccess: Allow arches to over-ride __{get,put}_user_fn() > ARC: [optim] uaccess __{get,put}_user() optimised > asm-generic headers: Allow yet more arch overrides in checksum.h > ARC: Checksum/byteorder/swab routines > ARC: Fundamental ARCH data-types/defines > ARC: Spinlock/rwlock/mutex primitives > ARC: String library > ARC: Low level IRQ/Trap/Exception Handling > ARC: Interrupt Handling > ARC: Non-MMU Exception Handling > ARC: Syscall support (no-legacy-syscall ABI) > ARC: Process-creation/scheduling/idle-loop > ARC: Timers/counters/delay management > ARC: Signal handling > ARC: [Review] Preparing to fix incorrect syscall restarts due to signals > ARC: [Review] Prevent incorrect syscall restarts > ARC: Cache Flush Management > ARC: Page Table Management > ARC: MMU Context Management > ARC: MMU Exception Handling > ARC: TLB flush Handling > ARC: Page Fault handling > ARC: I/O and DMA Mappings > ARC: Boot #1: low-level, setup_arch(), /proc/cpuinfo, mem init > ARC: [plat-arcfpga] Static platform device for CONFIG_SERIAL_ARC > ARC: [DeviceTree] Basic support > ARC: [DeviceTree] Convert some Kconfig items to runtime values > ARC: [plat-arcfpga]: Enabling DeviceTree for Angel4 board > ARC: Last bits (stubs) to get to a running kernel with UART > ARC: [plat-arcfpga] defconfig > ARC: [optim] Cache "current" in Register r25 > ARC: ptrace support > ARC: Futex support > ARC: OProfile support > ARC: Support for high priority interrupts in the in-core intc > ARC: Module support > ARC: Diagnostics: show_regs() etc > ARC: SMP support > ARC: DWARF2 .debug_frame based stack unwinder > ARC: stacktracing APIs based on dw2 unwinder > ARC: disassembly (needed by kprobes/kgdb/unaligned-access-emul) > ARC: kprobes support > sysctl: Enable PARISC "unaligned-trap" to be used cross-arch > ARC: Unaligned access emulation > ARC: Boot #2: Verbose Boot reporting / feature verification > ARC: [plat-arfpga] BVCI Latency Unit setup > perf, ARC: Enable building perf tools for ARC > ARC: perf support (software counters only) > ARC: Support for single cycle Close Coupled Mem (CCM) > ARC: Hostlink Pseudo-Driver for Metaware Debugger > ARC: UAPI Disintegrate arch/arc/include/asm > ARC: [Review] Multi-platform image #1: Kconfig enablement > ARC: Fold boards sub-menu into platform/SoC menu > ARC: [Review] Multi-platform image #2: Board callback Infrastructure > ARC: [Review] Multi-platform image #3: switch to board callback > ARC: [Review] Multi-platform image #4: Isolate platform headers > ARC: [Review] Multi-platform image #5: NR_IRQS defined by ARC core > ARC: [Review] Multi-platform image #6: cpu-to-dma-addr optional > ARC: [Review] Multi-platform image #7: SMP common code to use callbacks > ARC: [Review] Multi-platform image #8: platform registers SMP callbacks > ARC: [plat-arcfpga] defconfig for fully loaded ARC Linux > ARC: Provide a default serial.h for uart drivers needing BASE_BAUD > ARC: Add self to MAINTAINERS > ARC: Don't fiddle with non-existent caches > ARC: 64bit RTSC timestamp hardware issue > ARC: [3.9] Fallout of hlist iterator update > ARC: Fix pt_orig_r8 access > ARC: Ensure CONFIG_VIRT_TO_BUS is not enabled > ARC: [plat-arcfpga] DT arc-uart bindings change: "baud" => "current-speed" > > .../devicetree/bindings/arc/interrupts.txt | 24 + > MAINTAINERS | 6 + > arch/arc/Kbuild | 2 + > arch/arc/Kconfig | 458 +++++++ > arch/arc/Kconfig.debug | 34 + > arch/arc/Makefile | 126 ++ > arch/arc/boot/Makefile | 26 + > arch/arc/boot/dts/Makefile | 13 + > arch/arc/boot/dts/angel4.dts | 55 + > arch/arc/boot/dts/skeleton.dts | 10 + > arch/arc/boot/dts/skeleton.dtsi | 37 + > arch/arc/configs/fpga_defconfig | 61 + > arch/arc/include/asm/Kbuild | 49 + > arch/arc/include/asm/arcregs.h | 433 +++++++ > arch/arc/include/asm/asm-offsets.h | 9 + > arch/arc/include/asm/atomic.h | 232 ++++ > arch/arc/include/asm/barrier.h | 42 + > arch/arc/include/asm/bitops.h | 516 ++++++++ > arch/arc/include/asm/bug.h | 37 + > arch/arc/include/asm/cache.h | 75 ++ > arch/arc/include/asm/cacheflush.h | 67 + > arch/arc/include/asm/checksum.h | 101 ++ > arch/arc/include/asm/clk.h | 22 + > arch/arc/include/asm/cmpxchg.h | 143 +++ > arch/arc/include/asm/current.h | 32 + > arch/arc/include/asm/defines.h | 56 + > arch/arc/include/asm/delay.h | 68 + > arch/arc/include/asm/disasm.h | 116 ++ > arch/arc/include/asm/dma-mapping.h | 221 ++++ > arch/arc/include/asm/dma.h | 14 + > arch/arc/include/asm/elf.h | 97 ++ > arch/arc/include/asm/entry.h | 724 +++++++++++ > arch/arc/include/asm/exec.h | 15 + > arch/arc/include/asm/futex.h | 151 +++ > arch/arc/include/asm/io.h | 105 ++ > arch/arc/include/asm/irq.h | 25 + > arch/arc/include/asm/irqflags.h | 153 +++ > arch/arc/include/asm/kdebug.h | 19 + > arch/arc/include/asm/kgdb.h | 61 + > arch/arc/include/asm/kprobes.h | 62 + > arch/arc/include/asm/linkage.h | 63 + > arch/arc/include/asm/mach_desc.h | 85 ++ > arch/arc/include/asm/mmu.h | 23 + > arch/arc/include/asm/mmu_context.h | 213 ++++ > arch/arc/include/asm/module.h | 28 + > arch/arc/include/asm/mutex.h | 18 + > arch/arc/include/asm/page.h | 109 ++ > arch/arc/include/asm/perf_event.h | 13 + > arch/arc/include/asm/pgalloc.h | 134 ++ > arch/arc/include/asm/pgtable.h | 405 ++++++ > arch/arc/include/asm/processor.h | 151 +++ > arch/arc/include/asm/prom.h | 14 + > arch/arc/include/asm/ptrace.h | 130 ++ > arch/arc/include/asm/sections.h | 18 + > arch/arc/include/asm/segment.h | 24 + > arch/arc/include/asm/serial.h | 25 + > arch/arc/include/asm/setup.h | 37 + > arch/arc/include/asm/smp.h | 130 ++ > arch/arc/include/asm/spinlock.h | 144 +++ > arch/arc/include/asm/spinlock_types.h | 35 + > arch/arc/include/asm/string.h | 40 + > arch/arc/include/asm/switch_to.h | 41 + > arch/arc/include/asm/syscall.h | 72 ++ > arch/arc/include/asm/syscalls.h | 29 + > arch/arc/include/asm/thread_info.h | 121 ++ > arch/arc/include/asm/timex.h | 18 + > arch/arc/include/asm/tlb-mmu1.h | 104 ++ > arch/arc/include/asm/tlb.h | 58 + > arch/arc/include/asm/tlbflush.h | 28 + > arch/arc/include/asm/uaccess.h | 751 +++++++++++ > arch/arc/include/asm/unaligned.h | 29 + > arch/arc/include/asm/unwind.h | 163 +++ > arch/arc/include/uapi/asm/Kbuild | 11 + > arch/arc/include/uapi/asm/byteorder.h | 18 + > arch/arc/include/uapi/asm/cachectl.h | 28 + > arch/arc/include/uapi/asm/page.h | 39 + > arch/arc/include/uapi/asm/ptrace.h | 48 + > arch/arc/include/uapi/asm/setup.h | 6 + > arch/arc/include/uapi/asm/sigcontext.h | 22 + > arch/arc/include/uapi/asm/signal.h | 27 + > arch/arc/include/uapi/asm/swab.h | 98 ++ > arch/arc/include/uapi/asm/unistd.h | 34 + > arch/arc/kernel/Makefile | 33 + > arch/arc/kernel/arc_hostlink.c | 58 + > arch/arc/kernel/arcksyms.c | 56 + > arch/arc/kernel/asm-offsets.c | 64 + > arch/arc/kernel/clk.c | 21 + > arch/arc/kernel/ctx_sw.c | 109 ++ > arch/arc/kernel/ctx_sw_asm.S | 58 + > arch/arc/kernel/devtree.c | 108 ++ > arch/arc/kernel/disasm.c | 538 ++++++++ > arch/arc/kernel/entry.S | 839 ++++++++++++ > arch/arc/kernel/fpu.c | 55 + > arch/arc/kernel/head.S | 111 ++ > arch/arc/kernel/irq.c | 273 ++++ > arch/arc/kernel/kgdb.c | 205 +++ > arch/arc/kernel/kprobes.c | 525 ++++++++ > arch/arc/kernel/module.c | 145 +++ > arch/arc/kernel/process.c | 235 ++++ > arch/arc/kernel/ptrace.c | 158 +++ > arch/arc/kernel/reset.c | 33 + > arch/arc/kernel/setup.c | 471 +++++++ > arch/arc/kernel/signal.c | 360 ++++++ > arch/arc/kernel/smp.c | 332 +++++ > arch/arc/kernel/stacktrace.c | 254 ++++ > arch/arc/kernel/sys.c | 18 + > arch/arc/kernel/time.c | 265 ++++ > arch/arc/kernel/traps.c | 170 +++ > arch/arc/kernel/troubleshoot.c | 322 +++++ > arch/arc/kernel/unaligned.c | 245 ++++ > arch/arc/kernel/unwind.c | 1329 ++++++++++++++++++++ > arch/arc/kernel/vmlinux.lds.S | 163 +++ > arch/arc/lib/Makefile | 9 + > arch/arc/lib/memcmp.S | 124 ++ > arch/arc/lib/memcpy-700.S | 66 + > arch/arc/lib/memset.S | 59 + > arch/arc/lib/strchr-700.S | 123 ++ > arch/arc/lib/strcmp.S | 96 ++ > arch/arc/lib/strcpy-700.S | 70 ++ > arch/arc/lib/strlen.S | 83 ++ > arch/arc/mm/Makefile | 10 + > arch/arc/mm/cache_arc700.c | 768 +++++++++++ > arch/arc/mm/dma.c | 94 ++ > arch/arc/mm/extable.c | 63 + > arch/arc/mm/fault.c | 228 ++++ > arch/arc/mm/init.c | 187 +++ > arch/arc/mm/ioremap.c | 91 ++ > arch/arc/mm/tlb.c | 645 ++++++++++ > arch/arc/mm/tlbex.S | 408 ++++++ > arch/arc/oprofile/Makefile | 9 + > arch/arc/oprofile/common.c | 26 + > arch/arc/plat-arcfpga/Kconfig | 84 ++ > arch/arc/plat-arcfpga/Makefile | 12 + > arch/arc/plat-arcfpga/include/plat/irq.h | 31 + > arch/arc/plat-arcfpga/include/plat/memmap.h | 31 + > arch/arc/plat-arcfpga/include/plat/smp.h | 118 ++ > arch/arc/plat-arcfpga/irq.c | 25 + > arch/arc/plat-arcfpga/platform.c | 226 ++++ > arch/arc/plat-arcfpga/smp.c | 171 +++ > arch/parisc/Kconfig | 1 + > include/asm-generic/checksum.h | 4 + > include/asm-generic/uaccess.h | 14 +- > init/Kconfig | 8 + > kernel/sysctl.c | 5 + > lib/checksum.c | 2 + > tools/perf/perf.h | 6 + > 146 files changed, 19530 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/arc/interrupts.txt > create mode 100644 arch/arc/Kbuild > create mode 100644 arch/arc/Kconfig > create mode 100644 arch/arc/Kconfig.debug > create mode 100644 arch/arc/Makefile > create mode 100644 arch/arc/boot/Makefile > create mode 100644 arch/arc/boot/dts/Makefile > create mode 100644 arch/arc/boot/dts/angel4.dts > create mode 100644 arch/arc/boot/dts/skeleton.dts > create mode 100644 arch/arc/boot/dts/skeleton.dtsi > create mode 100644 arch/arc/configs/fpga_defconfig > create mode 100644 arch/arc/include/asm/Kbuild > create mode 100644 arch/arc/include/asm/arcregs.h > create mode 100644 arch/arc/include/asm/asm-offsets.h > create mode 100644 arch/arc/include/asm/atomic.h > create mode 100644 arch/arc/include/asm/barrier.h > create mode 100644 arch/arc/include/asm/bitops.h > create mode 100644 arch/arc/include/asm/bug.h > create mode 100644 arch/arc/include/asm/cache.h > create mode 100644 arch/arc/include/asm/cacheflush.h > create mode 100644 arch/arc/include/asm/checksum.h > create mode 100644 arch/arc/include/asm/clk.h > create mode 100644 arch/arc/include/asm/cmpxchg.h > create mode 100644 arch/arc/include/asm/current.h > create mode 100644 arch/arc/include/asm/defines.h > create mode 100644 arch/arc/include/asm/delay.h > create mode 100644 arch/arc/include/asm/disasm.h > create mode 100644 arch/arc/include/asm/dma-mapping.h > create mode 100644 arch/arc/include/asm/dma.h > create mode 100644 arch/arc/include/asm/elf.h > create mode 100644 arch/arc/include/asm/entry.h > create mode 100644 arch/arc/include/asm/exec.h > create mode 100644 arch/arc/include/asm/futex.h > create mode 100644 arch/arc/include/asm/io.h > create mode 100644 arch/arc/include/asm/irq.h > create mode 100644 arch/arc/include/asm/irqflags.h > create mode 100644 arch/arc/include/asm/kdebug.h > create mode 100644 arch/arc/include/asm/kgdb.h > create mode 100644 arch/arc/include/asm/kprobes.h > create mode 100644 arch/arc/include/asm/linkage.h > create mode 100644 arch/arc/include/asm/mach_desc.h > create mode 100644 arch/arc/include/asm/mmu.h > create mode 100644 arch/arc/include/asm/mmu_context.h > create mode 100644 arch/arc/include/asm/module.h > create mode 100644 arch/arc/include/asm/mutex.h > create mode 100644 arch/arc/include/asm/page.h > create mode 100644 arch/arc/include/asm/perf_event.h > create mode 100644 arch/arc/include/asm/pgalloc.h > create mode 100644 arch/arc/include/asm/pgtable.h > create mode 100644 arch/arc/include/asm/processor.h > create mode 100644 arch/arc/include/asm/prom.h > create mode 100644 arch/arc/include/asm/ptrace.h > create mode 100644 arch/arc/include/asm/sections.h > create mode 100644 arch/arc/include/asm/segment.h > create mode 100644 arch/arc/include/asm/serial.h > create mode 100644 arch/arc/include/asm/setup.h > create mode 100644 arch/arc/include/asm/smp.h > create mode 100644 arch/arc/include/asm/spinlock.h > create mode 100644 arch/arc/include/asm/spinlock_types.h > create mode 100644 arch/arc/include/asm/string.h > create mode 100644 arch/arc/include/asm/switch_to.h > create mode 100644 arch/arc/include/asm/syscall.h > create mode 100644 arch/arc/include/asm/syscalls.h > create mode 100644 arch/arc/include/asm/thread_info.h > create mode 100644 arch/arc/include/asm/timex.h > create mode 100644 arch/arc/include/asm/tlb-mmu1.h > create mode 100644 arch/arc/include/asm/tlb.h > create mode 100644 arch/arc/include/asm/tlbflush.h > create mode 100644 arch/arc/include/asm/uaccess.h > create mode 100644 arch/arc/include/asm/unaligned.h > create mode 100644 arch/arc/include/asm/unwind.h > create mode 100644 arch/arc/include/uapi/asm/Kbuild > create mode 100644 arch/arc/include/uapi/asm/byteorder.h > create mode 100644 arch/arc/include/uapi/asm/cachectl.h > create mode 100644 arch/arc/include/uapi/asm/page.h > create mode 100644 arch/arc/include/uapi/asm/ptrace.h > create mode 100644 arch/arc/include/uapi/asm/setup.h > create mode 100644 arch/arc/include/uapi/asm/sigcontext.h > create mode 100644 arch/arc/include/uapi/asm/signal.h > create mode 100644 arch/arc/include/uapi/asm/swab.h > create mode 100644 arch/arc/include/uapi/asm/unistd.h > create mode 100644 arch/arc/kernel/Makefile > create mode 100644 arch/arc/kernel/arc_hostlink.c > create mode 100644 arch/arc/kernel/arcksyms.c > create mode 100644 arch/arc/kernel/asm-offsets.c > create mode 100644 arch/arc/kernel/clk.c > create mode 100644 arch/arc/kernel/ctx_sw.c > create mode 100644 arch/arc/kernel/ctx_sw_asm.S > create mode 100644 arch/arc/kernel/devtree.c > create mode 100644 arch/arc/kernel/disasm.c > create mode 100644 arch/arc/kernel/entry.S > create mode 100644 arch/arc/kernel/fpu.c > create mode 100644 arch/arc/kernel/head.S > create mode 100644 arch/arc/kernel/irq.c > create mode 100644 arch/arc/kernel/kgdb.c > create mode 100644 arch/arc/kernel/kprobes.c > create mode 100644 arch/arc/kernel/module.c > create mode 100644 arch/arc/kernel/process.c > create mode 100644 arch/arc/kernel/ptrace.c > create mode 100644 arch/arc/kernel/reset.c > create mode 100644 arch/arc/kernel/setup.c > create mode 100644 arch/arc/kernel/signal.c > create mode 100644 arch/arc/kernel/smp.c > create mode 100644 arch/arc/kernel/stacktrace.c > create mode 100644 arch/arc/kernel/sys.c > create mode 100644 arch/arc/kernel/time.c > create mode 100644 arch/arc/kernel/traps.c > create mode 100644 arch/arc/kernel/troubleshoot.c > create mode 100644 arch/arc/kernel/unaligned.c > create mode 100644 arch/arc/kernel/unwind.c > create mode 100644 arch/arc/kernel/vmlinux.lds.S > create mode 100644 arch/arc/lib/Makefile > create mode 100644 arch/arc/lib/memcmp.S > create mode 100644 arch/arc/lib/memcpy-700.S > create mode 100644 arch/arc/lib/memset.S > create mode 100644 arch/arc/lib/strchr-700.S > create mode 100644 arch/arc/lib/strcmp.S > create mode 100644 arch/arc/lib/strcpy-700.S > create mode 100644 arch/arc/lib/strlen.S > create mode 100644 arch/arc/mm/Makefile > create mode 100644 arch/arc/mm/cache_arc700.c > create mode 100644 arch/arc/mm/dma.c > create mode 100644 arch/arc/mm/extable.c > create mode 100644 arch/arc/mm/fault.c > create mode 100644 arch/arc/mm/init.c > create mode 100644 arch/arc/mm/ioremap.c > create mode 100644 arch/arc/mm/tlb.c > create mode 100644 arch/arc/mm/tlbex.S > create mode 100644 arch/arc/oprofile/Makefile > create mode 100644 arch/arc/oprofile/common.c > create mode 100644 arch/arc/plat-arcfpga/Kconfig > create mode 100644 arch/arc/plat-arcfpga/Makefile > create mode 100644 arch/arc/plat-arcfpga/include/plat/irq.h > create mode 100644 arch/arc/plat-arcfpga/include/plat/memmap.h > create mode 100644 arch/arc/plat-arcfpga/include/plat/smp.h > create mode 100644 arch/arc/plat-arcfpga/irq.c > create mode 100644 arch/arc/plat-arcfpga/platform.c > create mode 100644 arch/arc/plat-arcfpga/smp.c > For the parisc related changes (arch/parisc/Kconfig, kernel/sysctl.c): Acked-by: Helge Deller <deller@....de> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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