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[209.132.180.67]) by mx.google.com with ESMTP id l59-v6si485398plb.391.2018.02.21.15.45.42; Wed, 21 Feb 2018 15:45:56 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751359AbeBUXlB (ORCPT + 99 others); Wed, 21 Feb 2018 18:41:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:33058 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750741AbeBUXk5 (ORCPT ); Wed, 21 Feb 2018 18:40:57 -0500 Received: from localhost.localdomain (jahogan.plus.com [212.159.75.221]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0CD0E21741; Wed, 21 Feb 2018 23:40:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0CD0E21741 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=jhogan@kernel.org From: James Hogan To: linux-metag@vger.kernel.org Cc: linux-kernel@vger.kernel.org, James Hogan , Guenter Roeck , Jonathan Corbet , Steven Rostedt , Ingo Molnar , Peter Zijlstra , Arnaldo Carvalho de Melo , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Thomas Gleixner , Jason Cooper , Marc Zyngier , Daniel Lezcano , Greg Kroah-Hartman , Jiri Slaby , Linus Walleij , Wim Van Sebroeck , Mauro Carvalho Chehab , Mauro Carvalho Chehab , Wolfram Sang , linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-gpio@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-media@vger.kernel.org, linux-i2c@vger.kernel.org Subject: [PATCH 00/13] Remove metag architecture Date: Wed, 21 Feb 2018 23:38:12 +0000 Message-Id: <20180221233825.10024-1-jhogan@kernel.org> X-Mailer: git-send-email 2.13.6 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These patches remove the metag architecture and tightly dependent drivers from the kernel. With the 4.16 kernel the ancient gcc 4.2.4 based metag toolchain we have been using is hitting compiler bugs, so now seems a good time to drop it altogether. Quoting from patch 1: The earliest Meta architecture port of Linux I have a record of was an import of a Meta port of Linux v2.4.1 in February 2004, which was worked on significantly over the next few years by Graham Whaley, Will Newton, Matt Fleming, myself and others. Eventually the port was merged into mainline in v3.9 in March 2013, not long after Imagination Technologies bought MIPS Technologies and shifted its CPU focus over to the MIPS architecture. As a result, though the port was maintained for a while, kept on life support for a while longer, and useful for testing a few specific drivers for which I don't have ready access to the equivalent MIPS hardware, it is now essentially dead with no users. It is also stuck using an out-of-tree toolchain based on GCC 4.2.4 which is no longer maintained, now struggles to build modern kernels due to toolchain bugs, and doesn't itself build with a modern GCC. The latest buildroot port is still using an old uClibc snapshot which is no longer served, and the latest uClibc doesn't build with GCC 4.2.4. So lets call it a day and drop the Meta architecture port from the kernel. RIP Meta. Cc: Guenter Roeck Cc: Jonathan Corbet Cc: Steven Rostedt Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Thomas Gleixner Cc: Jason Cooper Cc: Marc Zyngier Cc: Daniel Lezcano Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Linus Walleij Cc: Wim Van Sebroeck Cc: Mauro Carvalho Chehab Cc: Mauro Carvalho Chehab Cc: Wolfram Sang Cc: linux-metag@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-gpio@vger.kernel.org Cc: linux-watchdog@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: linux-i2c@vger.kernel.org James Hogan (13): metag: Remove arch/metag/ docs: Remove metag docs docs: Remove remaining references to metag Drop a bunch of metag references irqchip: Remove metag irqchip drivers clocksource: Remove metag generic timer driver tty: Remove metag DA TTY and console driver MAINTAINERS/CREDITS: Drop METAG ARCHITECTURE pinctrl: Drop TZ1090 drivers gpio: Drop TZ1090 drivers watchdog: imgpdc: Drop METAG dependency media: img-ir: Drop METAG dependency i2c: img-scb: Drop METAG dependency CREDITS | 5 + Documentation/00-INDEX | 2 - Documentation/admin-guide/kernel-parameters.txt | 4 - Documentation/dev-tools/kmemleak.rst | 2 +- .../devicetree/bindings/gpio/gpio-tz1090-pdc.txt | 45 - .../devicetree/bindings/gpio/gpio-tz1090.txt | 88 - Documentation/devicetree/bindings/metag/meta.txt | 30 - .../bindings/pinctrl/img,tz1090-pdc-pinctrl.txt | 127 -- .../bindings/pinctrl/img,tz1090-pinctrl.txt | 227 --- .../features/core/BPF-JIT/arch-support.txt | 1 - .../core/generic-idle-thread/arch-support.txt | 1 - .../features/core/jump-labels/arch-support.txt | 1 - .../features/core/tracehook/arch-support.txt | 1 - .../features/debug/KASAN/arch-support.txt | 1 - .../debug/gcov-profile-all/arch-support.txt | 1 - Documentation/features/debug/kgdb/arch-support.txt | 1 - .../debug/kprobes-on-ftrace/arch-support.txt | 1 - .../features/debug/kprobes/arch-support.txt | 1 - .../features/debug/kretprobes/arch-support.txt | 1 - .../features/debug/optprobes/arch-support.txt | 1 - .../features/debug/stackprotector/arch-support.txt | 1 - .../features/debug/uprobes/arch-support.txt | 1 - .../debug/user-ret-profiler/arch-support.txt | 1 - .../features/io/dma-api-debug/arch-support.txt | 1 - .../features/io/dma-contiguous/arch-support.txt | 1 - .../features/io/sg-chain/arch-support.txt | 1 - .../features/lib/strncasecmp/arch-support.txt | 1 - .../locking/cmpxchg-local/arch-support.txt | 1 - .../features/locking/lockdep/arch-support.txt | 1 - .../locking/queued-rwlocks/arch-support.txt | 1 - .../locking/queued-spinlocks/arch-support.txt | 1 - .../locking/rwsem-optimized/arch-support.txt | 1 - .../features/perf/kprobes-event/arch-support.txt | 1 - .../features/perf/perf-regs/arch-support.txt | 1 - .../features/perf/perf-stackdump/arch-support.txt | 1 - .../sched/membarrier-sync-core/arch-support.txt | 1 - .../features/sched/numa-balancing/arch-support.txt | 1 - .../seccomp/seccomp-filter/arch-support.txt | 1 - .../time/arch-tick-broadcast/arch-support.txt | 1 - .../features/time/clockevents/arch-support.txt | 1 - .../time/context-tracking/arch-support.txt | 1 - .../features/time/irq-time-acct/arch-support.txt | 1 - .../time/modern-timekeeping/arch-support.txt | 1 - .../features/time/virt-cpuacct/arch-support.txt | 1 - .../features/vm/ELF-ASLR/arch-support.txt | 1 - .../features/vm/PG_uncached/arch-support.txt | 1 - Documentation/features/vm/THP/arch-support.txt | 1 - Documentation/features/vm/TLB/arch-support.txt | 1 - .../features/vm/huge-vmap/arch-support.txt | 1 - .../features/vm/ioremap_prot/arch-support.txt | 1 - .../features/vm/numa-memblock/arch-support.txt | 1 - .../features/vm/pte_special/arch-support.txt | 1 - Documentation/metag/00-INDEX | 4 - Documentation/metag/kernel-ABI.txt | 256 --- MAINTAINERS | 14 - arch/metag/Kconfig | 287 --- arch/metag/Kconfig.debug | 34 - arch/metag/Kconfig.soc | 69 - arch/metag/Makefile | 89 - arch/metag/boot/.gitignore | 3 - arch/metag/boot/Makefile | 68 - arch/metag/boot/dts/Makefile | 16 - arch/metag/boot/dts/skeleton.dts | 10 - arch/metag/boot/dts/skeleton.dtsi | 15 - arch/metag/boot/dts/tz1090.dtsi | 108 -- arch/metag/boot/dts/tz1090_generic.dts | 10 - arch/metag/configs/meta1_defconfig | 39 - arch/metag/configs/meta2_defconfig | 40 - arch/metag/configs/meta2_smp_defconfig | 41 - arch/metag/configs/tz1090_defconfig | 42 - arch/metag/include/asm/Kbuild | 33 - arch/metag/include/asm/atomic.h | 49 - arch/metag/include/asm/atomic_lnkget.h | 204 -- arch/metag/include/asm/atomic_lock1.h | 157 -- arch/metag/include/asm/barrier.h | 85 - arch/metag/include/asm/bitops.h | 127 -- arch/metag/include/asm/bug.h | 13 - arch/metag/include/asm/cache.h | 24 - arch/metag/include/asm/cacheflush.h | 251 --- arch/metag/include/asm/cachepart.h | 43 - arch/metag/include/asm/checksum.h | 93 - arch/metag/include/asm/clock.h | 59 - arch/metag/include/asm/cmpxchg.h | 64 - arch/metag/include/asm/cmpxchg_irq.h | 43 - arch/metag/include/asm/cmpxchg_lnkget.h | 87 - arch/metag/include/asm/cmpxchg_lock1.h | 49 - arch/metag/include/asm/core_reg.h | 36 - arch/metag/include/asm/cpu.h | 15 - arch/metag/include/asm/da.h | 44 - arch/metag/include/asm/delay.h | 30 - arch/metag/include/asm/div64.h | 13 - arch/metag/include/asm/dma-mapping.h | 12 - arch/metag/include/asm/elf.h | 126 -- arch/metag/include/asm/fixmap.h | 69 - arch/metag/include/asm/ftrace.h | 24 - arch/metag/include/asm/global_lock.h | 101 - arch/metag/include/asm/highmem.h | 62 - arch/metag/include/asm/hugetlb.h | 75 - arch/metag/include/asm/hwthread.h | 41 - arch/metag/include/asm/io.h | 170 -- arch/metag/include/asm/irq.h | 38 - arch/metag/include/asm/irqflags.h | 94 - arch/metag/include/asm/l2cache.h | 259 --- arch/metag/include/asm/linkage.h | 8 - arch/metag/include/asm/mach/arch.h | 86 - arch/metag/include/asm/metag_isa.h | 81 - arch/metag/include/asm/metag_mem.h | 1109 ----------- arch/metag/include/asm/metag_regs.h | 1184 ------------ arch/metag/include/asm/mman.h | 12 - arch/metag/include/asm/mmu.h | 78 - arch/metag/include/asm/mmu_context.h | 115 -- arch/metag/include/asm/mmzone.h | 43 - arch/metag/include/asm/module.h | 38 - arch/metag/include/asm/page.h | 129 -- arch/metag/include/asm/perf_event.h | 4 - arch/metag/include/asm/pgalloc.h | 83 - arch/metag/include/asm/pgtable-bits.h | 105 - arch/metag/include/asm/pgtable.h | 270 --- arch/metag/include/asm/processor.h | 201 -- arch/metag/include/asm/ptrace.h | 61 - arch/metag/include/asm/setup.h | 10 - arch/metag/include/asm/smp.h | 28 - arch/metag/include/asm/sparsemem.h | 14 - arch/metag/include/asm/spinlock.h | 19 - arch/metag/include/asm/spinlock_lnkget.h | 213 --- arch/metag/include/asm/spinlock_lock1.h | 165 -- arch/metag/include/asm/spinlock_types.h | 21 - arch/metag/include/asm/stacktrace.h | 21 - arch/metag/include/asm/string.h | 14 - arch/metag/include/asm/switch.h | 21 - arch/metag/include/asm/syscall.h | 104 - arch/metag/include/asm/syscalls.h | 40 - arch/metag/include/asm/tbx.h | 1420 -------------- arch/metag/include/asm/tcm.h | 31 - arch/metag/include/asm/thread_info.h | 141 -- arch/metag/include/asm/tlb.h | 37 - arch/metag/include/asm/tlbflush.h | 78 - arch/metag/include/asm/topology.h | 28 - arch/metag/include/asm/traps.h | 48 - arch/metag/include/asm/uaccess.h | 213 --- arch/metag/include/asm/unistd.h | 12 - arch/metag/include/asm/user_gateway.h | 45 - arch/metag/include/uapi/asm/Kbuild | 31 - arch/metag/include/uapi/asm/byteorder.h | 2 - arch/metag/include/uapi/asm/ech.h | 16 - arch/metag/include/uapi/asm/ptrace.h | 114 -- arch/metag/include/uapi/asm/sigcontext.h | 32 - arch/metag/include/uapi/asm/siginfo.h | 16 - arch/metag/include/uapi/asm/swab.h | 27 - arch/metag/include/uapi/asm/unistd.h | 24 - arch/metag/kernel/.gitignore | 1 - arch/metag/kernel/Makefile | 40 - arch/metag/kernel/asm-offsets.c | 15 - arch/metag/kernel/cachepart.c | 132 -- arch/metag/kernel/clock.c | 110 -- arch/metag/kernel/core_reg.c | 118 -- arch/metag/kernel/da.c | 25 - arch/metag/kernel/devtree.c | 57 - arch/metag/kernel/dma.c | 588 ------ arch/metag/kernel/ftrace.c | 121 -- arch/metag/kernel/ftrace_stub.S | 62 - arch/metag/kernel/head.S | 66 - arch/metag/kernel/irq.c | 293 --- arch/metag/kernel/kick.c | 110 -- arch/metag/kernel/machines.c | 21 - arch/metag/kernel/metag_ksyms.c | 55 - arch/metag/kernel/module.c | 284 --- arch/metag/kernel/perf/Makefile | 3 - arch/metag/kernel/perf/perf_event.c | 879 --------- arch/metag/kernel/perf/perf_event.h | 106 -- arch/metag/kernel/perf_callchain.c | 97 - arch/metag/kernel/process.c | 448 ----- arch/metag/kernel/ptrace.c | 427 ----- arch/metag/kernel/setup.c | 622 ------ arch/metag/kernel/signal.c | 336 ---- arch/metag/kernel/smp.c | 668 ------- arch/metag/kernel/stacktrace.c | 187 -- arch/metag/kernel/sys_metag.c | 181 -- arch/metag/kernel/tbiunexp.S | 23 - arch/metag/kernel/tcm.c | 152 -- arch/metag/kernel/time.c | 26 - arch/metag/kernel/topology.c | 78 - arch/metag/kernel/traps.c | 992 ---------- arch/metag/kernel/user_gateway.S | 98 - arch/metag/kernel/vmlinux.lds.S | 74 - arch/metag/lib/Makefile | 23 - arch/metag/lib/ashldi3.S | 34 - arch/metag/lib/ashrdi3.S | 34 - arch/metag/lib/checksum.c | 167 -- arch/metag/lib/clear_page.S | 18 - arch/metag/lib/cmpdi2.S | 33 - arch/metag/lib/copy_page.S | 21 - arch/metag/lib/delay.c | 57 - arch/metag/lib/div64.S | 109 -- arch/metag/lib/divsi3.S | 101 - arch/metag/lib/ip_fast_csum.S | 33 - arch/metag/lib/lshrdi3.S | 34 - arch/metag/lib/memcpy.S | 186 -- arch/metag/lib/memmove.S | 346 ---- arch/metag/lib/memset.S | 87 - arch/metag/lib/modsi3.S | 39 - arch/metag/lib/muldi3.S | 45 - arch/metag/lib/ucmpdi2.S | 28 - arch/metag/lib/usercopy.c | 1257 ------------ arch/metag/mm/Kconfig | 147 -- arch/metag/mm/Makefile | 20 - arch/metag/mm/cache.c | 521 ----- arch/metag/mm/extable.c | 15 - arch/metag/mm/fault.c | 247 --- arch/metag/mm/highmem.c | 122 -- arch/metag/mm/hugetlbpage.c | 251 --- arch/metag/mm/init.c | 408 ---- arch/metag/mm/ioremap.c | 90 - arch/metag/mm/l2cache.c | 193 -- arch/metag/mm/maccess.c | 69 - arch/metag/mm/mmu-meta1.c | 157 -- arch/metag/mm/mmu-meta2.c | 208 -- arch/metag/mm/numa.c | 82 - arch/metag/oprofile/Makefile | 18 - arch/metag/oprofile/backtrace.c | 63 - arch/metag/oprofile/backtrace.h | 7 - arch/metag/oprofile/common.c | 66 - arch/metag/tbx/Makefile | 22 - arch/metag/tbx/tbicore.S | 136 -- arch/metag/tbx/tbictx.S | 366 ---- arch/metag/tbx/tbictxfpu.S | 190 -- arch/metag/tbx/tbidefr.S | 175 -- arch/metag/tbx/tbidspram.S | 161 -- arch/metag/tbx/tbilogf.S | 48 - arch/metag/tbx/tbipcx.S | 451 ----- arch/metag/tbx/tbiroot.S | 87 - arch/metag/tbx/tbisoft.S | 237 --- arch/metag/tbx/tbistring.c | 114 -- arch/metag/tbx/tbitimer.S | 207 -- drivers/clocksource/Kconfig | 5 - drivers/clocksource/Makefile | 1 - drivers/clocksource/metag_generic.c | 161 -- drivers/gpio/Kconfig | 15 - drivers/gpio/Makefile | 2 - drivers/gpio/gpio-tz1090-pdc.c | 231 --- drivers/gpio/gpio-tz1090.c | 602 ------ drivers/i2c/busses/Kconfig | 2 +- drivers/irqchip/Makefile | 2 - drivers/irqchip/irq-metag-ext.c | 871 --------- drivers/irqchip/irq-metag.c | 343 ---- drivers/media/rc/img-ir/Kconfig | 2 +- drivers/pinctrl/Kconfig | 12 - drivers/pinctrl/Makefile | 2 - drivers/pinctrl/pinctrl-tz1090-pdc.c | 989 ---------- drivers/pinctrl/pinctrl-tz1090.c | 2005 -------------------- drivers/tty/Kconfig | 13 - drivers/tty/Makefile | 1 - drivers/tty/metag_da.c | 665 ------- drivers/watchdog/Kconfig | 2 +- include/clocksource/metag_generic.h | 21 - include/linux/cpuhotplug.h | 1 - include/linux/irqchip/metag-ext.h | 34 - include/linux/irqchip/metag.h | 25 - include/linux/mm.h | 2 - include/trace/events/mmflags.h | 2 +- include/uapi/linux/elf.h | 3 - lib/Kconfig.debug | 2 +- mm/Kconfig | 7 +- scripts/checkstack.pl | 4 - scripts/recordmcount.c | 20 - tools/perf/perf-sys.h | 4 - 266 files changed, 14 insertions(+), 31962 deletions(-) delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-tz1090-pdc.txt delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-tz1090.txt delete mode 100644 Documentation/devicetree/bindings/metag/meta.txt delete mode 100644 Documentation/devicetree/bindings/pinctrl/img,tz1090-pdc-pinctrl.txt delete mode 100644 Documentation/devicetree/bindings/pinctrl/img,tz1090-pinctrl.txt delete mode 100644 Documentation/metag/00-INDEX delete mode 100644 Documentation/metag/kernel-ABI.txt delete mode 100644 arch/metag/Kconfig delete mode 100644 arch/metag/Kconfig.debug delete mode 100644 arch/metag/Kconfig.soc delete mode 100644 arch/metag/Makefile delete mode 100644 arch/metag/boot/.gitignore delete mode 100644 arch/metag/boot/Makefile delete mode 100644 arch/metag/boot/dts/Makefile delete mode 100644 arch/metag/boot/dts/skeleton.dts delete mode 100644 arch/metag/boot/dts/skeleton.dtsi delete mode 100644 arch/metag/boot/dts/tz1090.dtsi delete mode 100644 arch/metag/boot/dts/tz1090_generic.dts delete mode 100644 arch/metag/configs/meta1_defconfig delete mode 100644 arch/metag/configs/meta2_defconfig delete mode 100644 arch/metag/configs/meta2_smp_defconfig delete mode 100644 arch/metag/configs/tz1090_defconfig delete mode 100644 arch/metag/include/asm/Kbuild delete mode 100644 arch/metag/include/asm/atomic.h delete mode 100644 arch/metag/include/asm/atomic_lnkget.h delete mode 100644 arch/metag/include/asm/atomic_lock1.h delete mode 100644 arch/metag/include/asm/barrier.h delete mode 100644 arch/metag/include/asm/bitops.h delete mode 100644 arch/metag/include/asm/bug.h delete mode 100644 arch/metag/include/asm/cache.h delete mode 100644 arch/metag/include/asm/cacheflush.h delete mode 100644 arch/metag/include/asm/cachepart.h delete mode 100644 arch/metag/include/asm/checksum.h delete mode 100644 arch/metag/include/asm/clock.h delete mode 100644 arch/metag/include/asm/cmpxchg.h delete mode 100644 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