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Merge tag 'loongarch-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

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Pull LoongArch updates from Huacai Chen:
 - Select HAVE_CMPXCHG_{LOCAL,DOUBLE}
 - Add 128-bit atomic cmpxchg support
 - Add HOTPLUG_SMT implementation
 - Wire up memfd_secret system call
 - Fix boot errors and unwind errors for KASAN
 - Use BPF prog pack allocator and add BPF arena support
 - Update dts files to add nand controllers
 - Some bug fixes and other small changes

* tag 'loongarch-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  LoongArch: dts: loongson-2k1000: Add nand controller support
  LoongArch: dts: loongson-2k0500: Add nand controller support
  LoongArch: BPF: Implement bpf_addr_space_cast instruction
  LoongArch: BPF: Implement PROBE_MEM32 pseudo instructions
  LoongArch: BPF: Use BPF prog pack allocator
  LoongArch: Use IS_ERR_PCPU() macro for KGDB
  LoongArch: Rework KASAN initialization for PTW-enabled systems
  LoongArch: Disable instrumentation for setup_ptwalker()
  LoongArch: Remove some extern variables in source files
  LoongArch: Guard percpu handler under !CONFIG_PREEMPT_RT
  LoongArch: Handle percpu handler address for ORC unwinder
  LoongArch: Use %px to print unmodified unwinding address
  LoongArch: Prefer top-down allocation after arch_mem_init()
  LoongArch: Add HOTPLUG_SMT implementation
  LoongArch: Make cpumask_of_node() robust against NUMA_NO_NODE
  LoongArch: Wire up memfd_secret system call
  LoongArch: Replace seq_printf() with seq_puts() for simple strings
  LoongArch: Add 128-bit atomic cmpxchg support
  LoongArch: Add detection for SC.Q support
  LoongArch: Select HAVE_CMPXCHG_LOCAL in Kconfig
This commit is contained in:
Linus Torvalds
2026-02-14 12:47:15 -08:00
parent 787fe1d43a 9286025640
commit 64275e9fda
26 changed files with 450 additions and 153 deletions
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2
Documentation/admin-guide/kernel-parameters.txt
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@@ -4661,7 +4661,7 @@ Kernel parameters
nosmt [KNL,MIPS,PPC,EARLY] Disable symmetric multithreading (SMT).
Equivalent to smt=1.
[KNL,X86,PPC,S390] Disable symmetric multithreading (SMT).
[KNL,LOONGARCH,X86,PPC,S390] Disable symmetric multithreading (SMT).
nosmt=force: Force disable SMT, cannot be undone
via the sysfs control file.