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Message-ID: <CAK8P3a3LTdjqNRuqdWg126Ndmh11FDn6yo5DpR5nYZpZbxtg7w@mail.gmail.com>
Date: Fri, 3 Jun 2022 20:26:18 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Huacai Chen <chenhuacai@...nel.org>,
Xuerui Wang <kernel@...0n.name>,
Ard Biesheuvel <ardb@...nel.org>,
linux-arch <linux-arch@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] Add partial Loongarch architecture code
The following changes since commit 50fd82b3a9a9335df5d50c7ddcb81c81d358c4fc:
Merge tag 'docs-5.19-2' of git://git.lwn.net/linux (2022-06-02 15:36:06 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git
tags/loongarch-5.19
for you to fetch changes up to 8be4493119b0aedf7dd61e1ca520fb398537b53e:
MAINTAINERS: Add maintainer information for LoongArch (2022-06-03
20:09:29 +0800)
[ Side note: All the contents in this branch look fine to me and I think we are
better off with them in 5.19 than later, mainly because it allows merging the
glibc port sooner. On the other hand, the way here has been somewhat irregular
and rushed, and as explained in the tag it doesn't actually boot. If
you have any
doubts about the submission, it can obviously wait for another release and get
done properly then. - Arnd ]
----------------------------------------------------------------
Add partial Loongarch architecture code
This is the majority of the loongarch architecture code, including
the final system call interface and all core functionality.
It still misses three sets of peripheral but vital patches to add
support for other subsystems, which have yet to pass review:
- The drivers/firmware/efi stub for booting from a standard UEFI
firmware implementation. Both the original custom boot interface
and a draft implementation of the EFI stub did not make it, so
it is currently impossible to boot the kernel, until the
loongarch specific portions get accepted into the UEFI subsystem
- The drivers/irqchip/irq-loongson-*.c drivers are shared with the
MIPS port, but currently lack support for ACPI based booting,
which will get merged through the irqchip subsystem.
- Similarly, the drivers/pci/controller/pci-loongson.c needs to be
modified for ACPI support, which will be merged through the
PCI subsystem.
While the port cannot actually be used before all the above are
merged, having it in 5.19 helps to establish the user space ABI
for the libc ports to build on, and to help any treewide changes
in the mainline kernel get applied here as well. A gcc-12 based
tool chains for build testing is now included in
https://mirrors.edge.kernel.org/pub/tools/crosstool/.
Original description from Huacai Chen at
https://lore.kernel.org/lkml/20220603072053.35005-1-chenhuacai@loongson.cn/:
"LoongArch is a new RISC ISA, which is a bit like MIPS or RISC-V.
LoongArch includes a reduced 32-bit version (LA32R), a standard 32-bit
version (LA32S) and a 64-bit version (LA64). LoongArch use ACPI as its
boot protocol LoongArch-specific interrupt controllers (similar to APIC)
are already added in the next revision of ACPI Specification (current
revision is 6.4).
This patchset is adding basic LoongArch support in mainline kernel, we
can see a complete snapshot here:
https://github.com/loongson/linux/tree/loongarch-next
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git/log/?h=loongarch-next
Cross-compile tool chain to build kernel:
https://github.com/loongson/build-tools/releases/download/2021.12.21/loongarch64-clfs-2022-03-03-cross-tools-gcc-glibc.tar.xz
A CLFS-based Linux distro:
https://github.com/loongson/build-tools/releases/download/2021.12.21/loongarch64-clfs-system-2022-03-03.tar.bz2
Open-source tool chain which is under review (Binutils and Gcc are
already upstream):
https://github.com/loongson/binutils-gdb/tree/upstream_v3.1
https://github.com/loongson/gcc/tree/loongarch_upstream_v6.3
https://github.com/loongson/glibc/tree/loongarch_2_35_dev_v2.2
Loongson and LoongArch documentations:
https://github.com/loongson/LoongArch-Documentation
LoongArch-specific interrupt controllers:
https://mantis.uefi.org/mantis/view.php?id=2203
https://mantis.uefi.org/mantis/view.php?id=2313"
----------------------------------------------------------------
Huacai Chen (24):
irqchip: Adjust Kconfig for Loongson
irqchip/loongson-liointc: Fix build error for LoongArch
Documentation: LoongArch: Add basic documentations
Documentation/zh_CN: Add basic LoongArch documentations
LoongArch: Add ELF-related definitions
LoongArch: Add writecombine support for drm
LoongArch: Add build infrastructure
LoongArch: Add CPU definition headers
LoongArch: Add atomic/locking headers
LoongArch: Add other common headers
LoongArch: Add boot and setup routines
LoongArch: Add exception/interrupt handling
LoongArch: Add process management
LoongArch: Add memory management
LoongArch: Add system call support
LoongArch: Add signal handling support
LoongArch: Add ELF and module support
LoongArch: Add misc common routines
LoongArch: Add some library functions
LoongArch: Add VDSO and VSYSCALL support
LoongArch: Add multi-processor (SMP) support
LoongArch: Add Non-Uniform Memory Access (NUMA) support
LoongArch: Add Loongson-3 default config file
MAINTAINERS: Add maintainer information for LoongArch
Documentation/arch.rst | 1 +
Documentation/loongarch/features.rst | 3 +
Documentation/loongarch/index.rst | 21 +
Documentation/loongarch/introduction.rst | 387 +++++
Documentation/loongarch/irq-chip-model.rst | 156 ++
Documentation/translations/zh_CN/index.rst | 1 +
.../translations/zh_CN/loongarch/features.rst | 8 +
.../translations/zh_CN/loongarch/index.rst | 26 +
.../translations/zh_CN/loongarch/introduction.rst | 351 +++++
.../zh_CN/loongarch/irq-chip-model.rst | 155 ++
MAINTAINERS | 10 +
arch/loongarch/Kbuild | 6 +
arch/loongarch/Kconfig | 438 ++++++
arch/loongarch/Kconfig.debug | 0
arch/loongarch/Makefile | 100 ++
arch/loongarch/boot/.gitignore | 2 +
arch/loongarch/boot/Makefile | 16 +
arch/loongarch/boot/dts/Makefile | 4 +
arch/loongarch/configs/loongson3_defconfig | 771 ++++++++++
arch/loongarch/include/asm/Kbuild | 30 +
arch/loongarch/include/asm/acenv.h | 18 +
arch/loongarch/include/asm/acpi.h | 38 +
arch/loongarch/include/asm/addrspace.h | 112 ++
arch/loongarch/include/asm/asm-offsets.h | 5 +
arch/loongarch/include/asm/asm-prototypes.h | 7 +
arch/loongarch/include/asm/asm.h | 191 +++
arch/loongarch/include/asm/asmmacro.h | 289 ++++
arch/loongarch/include/asm/atomic.h | 362 +++++
arch/loongarch/include/asm/barrier.h | 159 ++
arch/loongarch/include/asm/bitops.h | 33 +
arch/loongarch/include/asm/bitrev.h | 34 +
arch/loongarch/include/asm/bootinfo.h | 43 +
arch/loongarch/include/asm/branch.h | 21 +
arch/loongarch/include/asm/bug.h | 23 +
arch/loongarch/include/asm/cache.h | 13 +
arch/loongarch/include/asm/cacheflush.h | 80 ++
arch/loongarch/include/asm/cacheops.h | 37 +
arch/loongarch/include/asm/clocksource.h | 12 +
arch/loongarch/include/asm/cmpxchg.h | 123 ++
arch/loongarch/include/asm/compiler.h | 15 +
arch/loongarch/include/asm/cpu-features.h | 73 +
arch/loongarch/include/asm/cpu-info.h | 116 ++
arch/loongarch/include/asm/cpu.h | 127 ++
arch/loongarch/include/asm/cpufeature.h | 24 +
arch/loongarch/include/asm/delay.h | 26 +
arch/loongarch/include/asm/dma-direct.h | 11 +
arch/loongarch/include/asm/dmi.h | 24 +
arch/loongarch/include/asm/efi.h | 41 +
arch/loongarch/include/asm/elf.h | 301 ++++
arch/loongarch/include/asm/entry-common.h | 13 +
arch/loongarch/include/asm/exec.h | 10 +
arch/loongarch/include/asm/fb.h | 23 +
arch/loongarch/include/asm/fixmap.h | 13 +
arch/loongarch/include/asm/fpregdef.h | 53 +
arch/loongarch/include/asm/fpu.h | 129 ++
arch/loongarch/include/asm/futex.h | 108 ++
arch/loongarch/include/asm/hardirq.h | 26 +
arch/loongarch/include/asm/hugetlb.h | 83 ++
arch/loongarch/include/asm/hw_irq.h | 17 +
arch/loongarch/include/asm/idle.h | 9 +
arch/loongarch/include/asm/inst.h | 117 ++
arch/loongarch/include/asm/io.h | 129 ++
arch/loongarch/include/asm/irq.h | 132 ++
arch/loongarch/include/asm/irq_regs.h | 27 +
arch/loongarch/include/asm/irqflags.h | 78 +
arch/loongarch/include/asm/kdebug.h | 23 +
arch/loongarch/include/asm/linkage.h | 36 +
arch/loongarch/include/asm/local.h | 138 ++
arch/loongarch/include/asm/loongarch.h | 1516 ++++++++++++++++++++
arch/loongarch/include/asm/loongson.h | 153 ++
arch/loongarch/include/asm/mmu.h | 16 +
arch/loongarch/include/asm/mmu_context.h | 152 ++
arch/loongarch/include/asm/mmzone.h | 18 +
arch/loongarch/include/asm/module.h | 80 ++
arch/loongarch/include/asm/module.lds.h | 7 +
arch/loongarch/include/asm/numa.h | 67 +
arch/loongarch/include/asm/page.h | 115 ++
arch/loongarch/include/asm/percpu.h | 214 +++
arch/loongarch/include/asm/perf_event.h | 10 +
arch/loongarch/include/asm/pgalloc.h | 103 ++
arch/loongarch/include/asm/pgtable-bits.h | 131 ++
arch/loongarch/include/asm/pgtable.h | 565 ++++++++
arch/loongarch/include/asm/prefetch.h | 29 +
arch/loongarch/include/asm/processor.h | 209 +++
arch/loongarch/include/asm/ptrace.h | 152 ++
arch/loongarch/include/asm/reboot.h | 10 +
arch/loongarch/include/asm/regdef.h | 41 +
arch/loongarch/include/asm/seccomp.h | 20 +
arch/loongarch/include/asm/serial.h | 11 +
arch/loongarch/include/asm/setup.h | 21 +
arch/loongarch/include/asm/shmparam.h | 12 +
arch/loongarch/include/asm/smp.h | 124 ++
arch/loongarch/include/asm/sparsemem.h | 23 +
arch/loongarch/include/asm/stackframe.h | 219 +++
arch/loongarch/include/asm/stacktrace.h | 74 +
arch/loongarch/include/asm/string.h | 12 +
arch/loongarch/include/asm/switch_to.h | 37 +
arch/loongarch/include/asm/syscall.h | 74 +
arch/loongarch/include/asm/thread_info.h | 106 ++
arch/loongarch/include/asm/time.h | 50 +
arch/loongarch/include/asm/timex.h | 33 +
arch/loongarch/include/asm/tlb.h | 180 +++
arch/loongarch/include/asm/tlbflush.h | 48 +
arch/loongarch/include/asm/topology.h | 41 +
arch/loongarch/include/asm/types.h | 19 +
arch/loongarch/include/asm/uaccess.h | 269 ++++
arch/loongarch/include/asm/unistd.h | 11 +
arch/loongarch/include/asm/vdso.h | 38 +
arch/loongarch/include/asm/vdso/clocksource.h | 8 +
arch/loongarch/include/asm/vdso/gettimeofday.h | 99 ++
arch/loongarch/include/asm/vdso/processor.h | 14 +
arch/loongarch/include/asm/vdso/vdso.h | 30 +
arch/loongarch/include/asm/vdso/vsyscall.h | 27 +
arch/loongarch/include/asm/vermagic.h | 19 +
arch/loongarch/include/asm/vmalloc.h | 4 +
arch/loongarch/include/uapi/asm/Kbuild | 2 +
arch/loongarch/include/uapi/asm/auxvec.h | 17 +
arch/loongarch/include/uapi/asm/bitsperlong.h | 9 +
arch/loongarch/include/uapi/asm/break.h | 23 +
arch/loongarch/include/uapi/asm/byteorder.h | 13 +
arch/loongarch/include/uapi/asm/hwcap.h | 20 +
arch/loongarch/include/uapi/asm/ptrace.h | 52 +
arch/loongarch/include/uapi/asm/reg.h | 59 +
arch/loongarch/include/uapi/asm/sigcontext.h | 44 +
arch/loongarch/include/uapi/asm/signal.h | 13 +
arch/loongarch/include/uapi/asm/ucontext.h | 35 +
arch/loongarch/include/uapi/asm/unistd.h | 5 +
arch/loongarch/kernel/.gitignore | 2 +
arch/loongarch/kernel/Makefile | 25 +
arch/loongarch/kernel/access-helper.h | 13 +
arch/loongarch/kernel/acpi.c | 333 +++++
arch/loongarch/kernel/asm-offsets.c | 264 ++++
arch/loongarch/kernel/cacheinfo.c | 122 ++
arch/loongarch/kernel/cpu-probe.c | 292 ++++
arch/loongarch/kernel/dma.c | 40 +
arch/loongarch/kernel/efi.c | 72 +
arch/loongarch/kernel/elf.c | 30 +
arch/loongarch/kernel/entry.S | 89 ++
arch/loongarch/kernel/env.c | 101 ++
arch/loongarch/kernel/fpu.S | 261 ++++
arch/loongarch/kernel/genex.S | 95 ++
arch/loongarch/kernel/head.S | 98 ++
arch/loongarch/kernel/idle.c | 16 +
arch/loongarch/kernel/inst.c | 40 +
arch/loongarch/kernel/io.c | 94 ++
arch/loongarch/kernel/irq.c | 88 ++
arch/loongarch/kernel/mem.c | 64 +
arch/loongarch/kernel/module-sections.c | 121 ++
arch/loongarch/kernel/module.c | 375 +++++
arch/loongarch/kernel/numa.c | 466 ++++++
arch/loongarch/kernel/proc.c | 127 ++
arch/loongarch/kernel/process.c | 267 ++++
arch/loongarch/kernel/ptrace.c | 431 ++++++
arch/loongarch/kernel/reset.c | 102 ++
arch/loongarch/kernel/setup.c | 374 +++++
arch/loongarch/kernel/signal.c | 566 ++++++++
arch/loongarch/kernel/smp.c | 751 ++++++++++
arch/loongarch/kernel/switch.S | 35 +
arch/loongarch/kernel/syscall.c | 63 +
arch/loongarch/kernel/time.c | 214 +++
arch/loongarch/kernel/topology.c | 52 +
arch/loongarch/kernel/traps.c | 725 ++++++++++
arch/loongarch/kernel/vdso.c | 138 ++
arch/loongarch/kernel/vmlinux.lds.S | 120 ++
arch/loongarch/lib/Makefile | 6 +
arch/loongarch/lib/clear_user.S | 43 +
arch/loongarch/lib/copy_user.S | 47 +
arch/loongarch/lib/delay.c | 43 +
arch/loongarch/lib/dump_tlb.c | 111 ++
arch/loongarch/mm/Makefile | 9 +
arch/loongarch/mm/cache.c | 141 ++
arch/loongarch/mm/extable.c | 22 +
arch/loongarch/mm/fault.c | 261 ++++
arch/loongarch/mm/hugetlbpage.c | 87 ++
arch/loongarch/mm/init.c | 178 +++
arch/loongarch/mm/ioremap.c | 27 +
arch/loongarch/mm/maccess.c | 10 +
arch/loongarch/mm/mmap.c | 125 ++
arch/loongarch/mm/page.S | 84 ++
arch/loongarch/mm/pgtable.c | 130 ++
arch/loongarch/mm/tlb.c | 305 ++++
arch/loongarch/mm/tlbex.S | 546 +++++++
arch/loongarch/pci/Makefile | 7 +
arch/loongarch/vdso/.gitignore | 2 +
arch/loongarch/vdso/Makefile | 96 ++
arch/loongarch/vdso/elf.S | 15 +
arch/loongarch/vdso/gen_vdso_offsets.sh | 13 +
arch/loongarch/vdso/sigreturn.S | 24 +
arch/loongarch/vdso/vdso.S | 22 +
arch/loongarch/vdso/vdso.lds.S | 72 +
arch/loongarch/vdso/vgettimeofday.c | 25 +
drivers/gpu/drm/drm_vm.c | 2 +-
drivers/gpu/drm/ttm/ttm_module.c | 2 +-
drivers/irqchip/Kconfig | 6 +-
drivers/irqchip/irq-loongson-liointc.c | 6 +-
include/drm/drm_cache.h | 8 +
include/linux/cpuhotplug.h | 1 +
include/uapi/linux/audit.h | 2 +
include/uapi/linux/elf-em.h | 1 +
include/uapi/linux/elf.h | 5 +
include/uapi/linux/kexec.h | 1 +
scripts/sorttable.c | 5 +
scripts/subarch.include | 2 +-
tools/include/uapi/asm/bitsperlong.h | 2 +
204 files changed, 21064 insertions(+), 7 deletions(-)
create mode 100644 Documentation/loongarch/features.rst
create mode 100644 Documentation/loongarch/index.rst
create mode 100644 Documentation/loongarch/introduction.rst
create mode 100644 Documentation/loongarch/irq-chip-model.rst
create mode 100644 Documentation/translations/zh_CN/loongarch/features.rst
create mode 100644 Documentation/translations/zh_CN/loongarch/index.rst
create mode 100644 Documentation/translations/zh_CN/loongarch/introduction.rst
create mode 100644
Documentation/translations/zh_CN/loongarch/irq-chip-model.rst
create mode 100644 arch/loongarch/Kbuild
create mode 100644 arch/loongarch/Kconfig
create mode 100644 arch/loongarch/Kconfig.debug
create mode 100644 arch/loongarch/Makefile
create mode 100644 arch/loongarch/boot/.gitignore
create mode 100644 arch/loongarch/boot/Makefile
create mode 100644 arch/loongarch/boot/dts/Makefile
create mode 100644 arch/loongarch/configs/loongson3_defconfig
create mode 100644 arch/loongarch/include/asm/Kbuild
create mode 100644 arch/loongarch/include/asm/acenv.h
create mode 100644 arch/loongarch/include/asm/acpi.h
create mode 100644 arch/loongarch/include/asm/addrspace.h
create mode 100644 arch/loongarch/include/asm/asm-offsets.h
create mode 100644 arch/loongarch/include/asm/asm-prototypes.h
create mode 100644 arch/loongarch/include/asm/asm.h
create mode 100644 arch/loongarch/include/asm/asmmacro.h
create mode 100644 arch/loongarch/include/asm/atomic.h
create mode 100644 arch/loongarch/include/asm/barrier.h
create mode 100644 arch/loongarch/include/asm/bitops.h
create mode 100644 arch/loongarch/include/asm/bitrev.h
create mode 100644 arch/loongarch/include/asm/bootinfo.h
create mode 100644 arch/loongarch/include/asm/branch.h
create mode 100644 arch/loongarch/include/asm/bug.h
create mode 100644 arch/loongarch/include/asm/cache.h
create mode 100644 arch/loongarch/include/asm/cacheflush.h
create mode 100644 arch/loongarch/include/asm/cacheops.h
create mode 100644 arch/loongarch/include/asm/clocksource.h
create mode 100644 arch/loongarch/include/asm/cmpxchg.h
create mode 100644 arch/loongarch/include/asm/compiler.h
create mode 100644 arch/loongarch/include/asm/cpu-features.h
create mode 100644 arch/loongarch/include/asm/cpu-info.h
create mode 100644 arch/loongarch/include/asm/cpu.h
create mode 100644 arch/loongarch/include/asm/cpufeature.h
create mode 100644 arch/loongarch/include/asm/delay.h
create mode 100644 arch/loongarch/include/asm/dma-direct.h
create mode 100644 arch/loongarch/include/asm/dmi.h
create mode 100644 arch/loongarch/include/asm/efi.h
create mode 100644 arch/loongarch/include/asm/elf.h
create mode 100644 arch/loongarch/include/asm/entry-common.h
create mode 100644 arch/loongarch/include/asm/exec.h
create mode 100644 arch/loongarch/include/asm/fb.h
create mode 100644 arch/loongarch/include/asm/fixmap.h
create mode 100644 arch/loongarch/include/asm/fpregdef.h
create mode 100644 arch/loongarch/include/asm/fpu.h
create mode 100644 arch/loongarch/include/asm/futex.h
create mode 100644 arch/loongarch/include/asm/hardirq.h
create mode 100644 arch/loongarch/include/asm/hugetlb.h
create mode 100644 arch/loongarch/include/asm/hw_irq.h
create mode 100644 arch/loongarch/include/asm/idle.h
create mode 100644 arch/loongarch/include/asm/inst.h
create mode 100644 arch/loongarch/include/asm/io.h
create mode 100644 arch/loongarch/include/asm/irq.h
create mode 100644 arch/loongarch/include/asm/irq_regs.h
create mode 100644 arch/loongarch/include/asm/irqflags.h
create mode 100644 arch/loongarch/include/asm/kdebug.h
create mode 100644 arch/loongarch/include/asm/linkage.h
create mode 100644 arch/loongarch/include/asm/local.h
create mode 100644 arch/loongarch/include/asm/loongarch.h
create mode 100644 arch/loongarch/include/asm/loongson.h
create mode 100644 arch/loongarch/include/asm/mmu.h
create mode 100644 arch/loongarch/include/asm/mmu_context.h
create mode 100644 arch/loongarch/include/asm/mmzone.h
create mode 100644 arch/loongarch/include/asm/module.h
create mode 100644 arch/loongarch/include/asm/module.lds.h
create mode 100644 arch/loongarch/include/asm/numa.h
create mode 100644 arch/loongarch/include/asm/page.h
create mode 100644 arch/loongarch/include/asm/percpu.h
create mode 100644 arch/loongarch/include/asm/perf_event.h
create mode 100644 arch/loongarch/include/asm/pgalloc.h
create mode 100644 arch/loongarch/include/asm/pgtable-bits.h
create mode 100644 arch/loongarch/include/asm/pgtable.h
create mode 100644 arch/loongarch/include/asm/prefetch.h
create mode 100644 arch/loongarch/include/asm/processor.h
create mode 100644 arch/loongarch/include/asm/ptrace.h
create mode 100644 arch/loongarch/include/asm/reboot.h
create mode 100644 arch/loongarch/include/asm/regdef.h
create mode 100644 arch/loongarch/include/asm/seccomp.h
create mode 100644 arch/loongarch/include/asm/serial.h
create mode 100644 arch/loongarch/include/asm/setup.h
create mode 100644 arch/loongarch/include/asm/shmparam.h
create mode 100644 arch/loongarch/include/asm/smp.h
create mode 100644 arch/loongarch/include/asm/sparsemem.h
create mode 100644 arch/loongarch/include/asm/stackframe.h
create mode 100644 arch/loongarch/include/asm/stacktrace.h
create mode 100644 arch/loongarch/include/asm/string.h
create mode 100644 arch/loongarch/include/asm/switch_to.h
create mode 100644 arch/loongarch/include/asm/syscall.h
create mode 100644 arch/loongarch/include/asm/thread_info.h
create mode 100644 arch/loongarch/include/asm/time.h
create mode 100644 arch/loongarch/include/asm/timex.h
create mode 100644 arch/loongarch/include/asm/tlb.h
create mode 100644 arch/loongarch/include/asm/tlbflush.h
create mode 100644 arch/loongarch/include/asm/topology.h
create mode 100644 arch/loongarch/include/asm/types.h
create mode 100644 arch/loongarch/include/asm/uaccess.h
create mode 100644 arch/loongarch/include/asm/unistd.h
create mode 100644 arch/loongarch/include/asm/vdso.h
create mode 100644 arch/loongarch/include/asm/vdso/clocksource.h
create mode 100644 arch/loongarch/include/asm/vdso/gettimeofday.h
create mode 100644 arch/loongarch/include/asm/vdso/processor.h
create mode 100644 arch/loongarch/include/asm/vdso/vdso.h
create mode 100644 arch/loongarch/include/asm/vdso/vsyscall.h
create mode 100644 arch/loongarch/include/asm/vermagic.h
create mode 100644 arch/loongarch/include/asm/vmalloc.h
create mode 100644 arch/loongarch/include/uapi/asm/Kbuild
create mode 100644 arch/loongarch/include/uapi/asm/auxvec.h
create mode 100644 arch/loongarch/include/uapi/asm/bitsperlong.h
create mode 100644 arch/loongarch/include/uapi/asm/break.h
create mode 100644 arch/loongarch/include/uapi/asm/byteorder.h
create mode 100644 arch/loongarch/include/uapi/asm/hwcap.h
create mode 100644 arch/loongarch/include/uapi/asm/ptrace.h
create mode 100644 arch/loongarch/include/uapi/asm/reg.h
create mode 100644 arch/loongarch/include/uapi/asm/sigcontext.h
create mode 100644 arch/loongarch/include/uapi/asm/signal.h
create mode 100644 arch/loongarch/include/uapi/asm/ucontext.h
create mode 100644 arch/loongarch/include/uapi/asm/unistd.h
create mode 100644 arch/loongarch/kernel/.gitignore
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