From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 6 Oct 2025 19:18:56 +0000 (-0700)
Subject: Merge tag 'loongarch-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuaca... 
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fb5bc347311b1d78dc608c91c2d68327b0a1d1d4;p=thirdparty%2Fkernel%2Fstable.git

Merge tag 'loongarch-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch updates from Huacai Chen:

 - Initialize acpi_gbl_use_global_lock to false

 - Allow specify SIMD width via kernel parameters

 - Add kexec_file (both EFI & ELF format) support

 - Add PER_VMA_LOCK for page fault handling support

 - Improve BPF trampoline support

 - Update the default config file

 - Some bug fixes and other small changes

* tag 'loongarch-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (23 commits)
  LoongArch: Update Loongson-3 default config file
  LoongArch: BPF: Sign-extend struct ops return values properly
  LoongArch: BPF: Make error handling robust in arch_prepare_bpf_trampoline()
  LoongArch: BPF: Make trampoline size stable
  LoongArch: BPF: Don't align trampoline size
  LoongArch: BPF: No support of struct argument in trampoline programs
  LoongArch: BPF: No text_poke() for kernel text
  LoongArch: BPF: Remove duplicated bpf_flush_icache()
  LoongArch: BPF: Remove duplicated flags check
  LoongArch: BPF: Fix uninitialized symbol 'retval_off'
  LoongArch: BPF: Optimize sign-extention mov instructions
  LoongArch: Handle new atomic instructions for probes
  LoongArch: Try VMA lock-based page fault handling first
  LoongArch: Automatically disable kaslr if boot from kexec_file
  LoongArch: Add crash dump support for kexec_file
  LoongArch: Add ELF binary support for kexec_file
  LoongArch: Add EFI binary support for kexec_file
  LoongArch: Add preparatory infrastructure for kexec_file
  LoongArch: Add struct loongarch_image_header for kernel
  LoongArch: Allow specify SIMD width via kernel parameters
  ...
---

fb5bc347311b1d78dc608c91c2d68327b0a1d1d4
diff --cc arch/loongarch/Kconfig
index ea683bcea14c1,29e486cc2d049..5b1116733d881
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@@ -70,9 -69,8 +70,10 @@@ config LOONGARC
  	select ARCH_SUPPORTS_LTO_CLANG_THIN
  	select ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS
  	select ARCH_SUPPORTS_NUMA_BALANCING
+ 	select ARCH_SUPPORTS_PER_VMA_LOCK
  	select ARCH_SUPPORTS_RT
 +	select ARCH_SUPPORTS_SCHED_SMT if SMP
 +	select ARCH_SUPPORTS_SCHED_MC  if SMP
  	select ARCH_USE_BUILTIN_BSWAP
  	select ARCH_USE_CMPXCHG_LOCKREF
  	select ARCH_USE_MEMTEST