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Date: Wed, 1 Mar 2023 14:58:08 +0800
From: Huacai Chen <chenhuacai@...ngson.cn>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
Arnd Bergmann <arnd@...db.de>,
Huacai Chen <chenhuacai@...nel.org>
Cc: loongarch@...ts.linux.dev, linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org, Guo Ren <guoren@...nel.org>,
Xuerui Wang <kernel@...0n.name>,
Jiaxun Yang <jiaxun.yang@...goat.com>,
Huacai Chen <chenhuacai@...ngson.cn>
Subject: [GIT PULL] LoongArch changes for v6.3
The following changes since commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c:
Linux 6.2 (2023-02-19 14:24:22 -0800)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git tags/loongarch-6.3
for you to fetch changes up to 8883bf83127d533abb415b204eabc064863ae6c9:
selftests/ftrace: Add LoongArch kprobe args string tests support (2023-02-25 22:12:18 +0800)
----------------------------------------------------------------
LoongArch changes for v6.3
1, Make -mstrict-align configurable;
2, Add kernel relocation and KASLR support;
3, Add single kernel image implementation for kdump;
4, Add hardware breakpoints/watchpoints support;
5, Add kprobes/kretprobes/kprobes_on_ftrace support;
6, Add LoongArch support for some selftests.
----------------------------------------------------------------
Huacai Chen (4):
Merge 'pci/enumeration' into loongarch-next
LoongArch: Make -mstrict-align configurable
tools: Add LoongArch build infrastructure
selftests/seccomp: Add LoongArch selftesting support
Jinyang He (1):
LoongArch: Fix Chinese comma in cpu.h
Qing Zhang (5):
LoongArch: Add hardware breakpoints/watchpoints support
LoongArch: ptrace: Expose hardware breakpoints to debuggers
LoongArch: ptrace: Add function argument access API
LoongArch: ptrace: Add hardware single step support
selftests/ftrace: Add LoongArch kprobe args string tests support
Tiezhu Yang (7):
LoongArch: Only call get_timer_irq() once in constant_clockevent_init()
LoongArch: Simulate branch and PC* instructions
LoongArch: Add kprobes support
LoongArch: Add kretprobes support
LoongArch: Add kprobes on ftrace support
LoongArch: Mark some assembler symbols as non-kprobe-able
samples/kprobes: Add LoongArch support
Xi Ruoyao (1):
LoongArch: Use la.pcrel instead of la.abs when it's trivially possible
Youling Tang (6):
LoongArch: Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs
LoongArch: Add la_abs macro implementation
LoongArch: Add support for kernel relocation
LoongArch: Add support for kernel address space layout randomization (KASLR)
LoongArch: kdump: Add single kernel image implementation
LoongArch: kdump: Add crashkernel=YM handling
arch/loongarch/Kconfig | 65 ++-
arch/loongarch/Makefile | 14 +-
arch/loongarch/configs/loongson3_defconfig | 1 +
arch/loongarch/include/asm/addrspace.h | 2 +
arch/loongarch/include/asm/asm.h | 10 +
arch/loongarch/include/asm/asmmacro.h | 17 +
arch/loongarch/include/asm/cpu.h | 2 +-
arch/loongarch/include/asm/hw_breakpoint.h | 145 ++++++
arch/loongarch/include/asm/inst.h | 58 +++
arch/loongarch/include/asm/kprobes.h | 61 +++
arch/loongarch/include/asm/loongarch.h | 35 +-
arch/loongarch/include/asm/processor.h | 16 +-
arch/loongarch/include/asm/ptrace.h | 39 ++
arch/loongarch/include/asm/setup.h | 16 +
arch/loongarch/include/asm/stackframe.h | 13 +-
arch/loongarch/include/asm/switch_to.h | 1 +
arch/loongarch/include/asm/uaccess.h | 1 -
arch/loongarch/include/uapi/asm/ptrace.h | 9 +
arch/loongarch/kernel/Makefile | 9 +-
arch/loongarch/kernel/entry.S | 91 ++--
arch/loongarch/kernel/ftrace_dyn.c | 64 +++
arch/loongarch/kernel/genex.S | 8 +-
arch/loongarch/kernel/head.S | 33 +-
arch/loongarch/kernel/hw_breakpoint.c | 548 +++++++++++++++++++++
arch/loongarch/kernel/inst.c | 123 +++++
arch/loongarch/kernel/kprobes.c | 406 +++++++++++++++
arch/loongarch/kernel/kprobes_trampoline.S | 96 ++++
arch/loongarch/kernel/process.c | 7 +
arch/loongarch/kernel/ptrace.c | 472 ++++++++++++++++++
arch/loongarch/kernel/relocate.c | 242 +++++++++
arch/loongarch/kernel/setup.c | 14 +-
arch/loongarch/kernel/time.c | 11 +-
arch/loongarch/kernel/traps.c | 68 ++-
arch/loongarch/kernel/vmlinux.lds.S | 20 +-
arch/loongarch/lib/memcpy.S | 3 +
arch/loongarch/lib/memmove.S | 4 +
arch/loongarch/lib/memset.S | 3 +
arch/loongarch/mm/fault.c | 3 +
arch/loongarch/mm/tlbex.S | 17 +-
arch/loongarch/power/suspend_asm.S | 5 +-
drivers/pci/controller/pci-loongson.c | 71 +--
drivers/pci/pci.c | 10 +
drivers/pci/pcie/portdrv.c | 16 +-
drivers/pci/probe.c | 2 +
include/linux/pci.h | 1 +
include/uapi/linux/elf.h | 2 +
samples/kprobes/kprobe_example.c | 8 +
.../arch/loongarch/include/uapi/asm/bitsperlong.h | 9 +
tools/scripts/Makefile.arch | 11 +-
.../ftrace/test.d/kprobe/kprobe_args_string.tc | 3 +
.../ftrace/test.d/kprobe/kprobe_args_syntax.tc | 4 +
tools/testing/selftests/seccomp/seccomp_bpf.c | 6 +
52 files changed, 2728 insertions(+), 167 deletions(-)
create mode 100644 arch/loongarch/include/asm/hw_breakpoint.h
create mode 100644 arch/loongarch/include/asm/kprobes.h
create mode 100644 arch/loongarch/kernel/hw_breakpoint.c
create mode 100644 arch/loongarch/kernel/kprobes.c
create mode 100644 arch/loongarch/kernel/kprobes_trampoline.S
create mode 100644 arch/loongarch/kernel/relocate.c
create mode 100644 tools/arch/loongarch/include/uapi/asm/bitsperlong.h
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