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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-22 10:22:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-22 10:22:45 -0700 |
| commit | 1e3cd03c54b76b4cbc8b31256dc3f18c417a6876 (patch) | |
| tree | 6c7f793b4bbc2f063e289230e1527cd45245b908 /arch/loongarch/kernel/genex.S | |
| parent | 4f55aa85a8746e5e255c46c98c031e143605e2a0 (diff) | |
| parent | fea1c949f6ca5059e12de00d0483645debc5b206 (diff) | |
| download | linux-1e3cd03c54b76b4cbc8b31256dc3f18c417a6876.tar.gz | |
Merge tag 'loongarch-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Add objtool support for LoongArch
- Add ORC stack unwinder support for LoongArch
- Add kernel livepatching support for LoongArch
- Select ARCH_HAS_CURRENT_STACK_POINTER in Kconfig
- Select HAVE_ARCH_USERFAULTFD_MINOR in Kconfig
- Some bug fixes and other small changes
* tag 'loongarch-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch/crypto: Clean up useless assignment operations
LoongArch: Define the __io_aw() hook as mmiowb()
LoongArch: Remove superfluous flush_dcache_page() definition
LoongArch: Move {dmw,tlb}_virt_to_page() definition to page.h
LoongArch: Change __my_cpu_offset definition to avoid mis-optimization
LoongArch: Select HAVE_ARCH_USERFAULTFD_MINOR in Kconfig
LoongArch: Select ARCH_HAS_CURRENT_STACK_POINTER in Kconfig
LoongArch: Add kernel livepatching support
LoongArch: Add ORC stack unwinder support
objtool: Check local label in read_unwind_hints()
objtool: Check local label in add_dead_ends()
objtool/LoongArch: Enable orc to be built
objtool/x86: Separate arch-specific and generic parts
objtool/LoongArch: Implement instruction decoder
objtool/LoongArch: Enable objtool to be built
Diffstat (limited to 'arch/loongarch/kernel/genex.S')
| -rw-r--r-- | arch/loongarch/kernel/genex.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/genex.S b/arch/loongarch/kernel/genex.S index 2bb3aa2dcfcb2e..86d5d90ebefe5b 100644 --- a/arch/loongarch/kernel/genex.S +++ b/arch/loongarch/kernel/genex.S @@ -32,6 +32,7 @@ SYM_FUNC_START(__arch_cpu_idle) SYM_FUNC_END(__arch_cpu_idle) SYM_CODE_START(handle_vint) + UNWIND_HINT_UNDEFINED BACKUP_T0T1 SAVE_ALL la_abs t1, __arch_cpu_idle @@ -49,6 +50,7 @@ SYM_CODE_START(handle_vint) SYM_CODE_END(handle_vint) SYM_CODE_START(except_vec_cex) + UNWIND_HINT_UNDEFINED b cache_parity_error SYM_CODE_END(except_vec_cex) @@ -67,6 +69,7 @@ SYM_CODE_END(except_vec_cex) .macro BUILD_HANDLER exception handler prep .align 5 SYM_CODE_START(handle_\exception) + UNWIND_HINT_UNDEFINED 666: BACKUP_T0T1 SAVE_ALL @@ -77,7 +80,9 @@ SYM_CODE_END(except_vec_cex) 668: RESTORE_ALL_AND_RET SYM_CODE_END(handle_\exception) + .pushsection ".data", "aw", %progbits SYM_DATA(unwind_hint_\exception, .word 668b - 666b) + .popsection .endm BUILD_HANDLER ade ade badv @@ -94,6 +99,7 @@ SYM_CODE_END(except_vec_cex) BUILD_HANDLER reserved reserved none /* others */ SYM_CODE_START(handle_sys) + UNWIND_HINT_UNDEFINED la_abs t0, handle_syscall jr t0 SYM_CODE_END(handle_sys) |