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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/mm/tlbex.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/mm/tlbex.S')
| -rw-r--r-- | arch/loongarch/mm/tlbex.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/loongarch/mm/tlbex.S b/arch/loongarch/mm/tlbex.S index d5d682f3d29f3a..a44387b838af61 100644 --- a/arch/loongarch/mm/tlbex.S +++ b/arch/loongarch/mm/tlbex.S @@ -18,6 +18,7 @@ .macro tlb_do_page_fault, write SYM_CODE_START(tlb_do_page_fault_\write) + UNWIND_HINT_UNDEFINED SAVE_ALL csrrd a2, LOONGARCH_CSR_BADV move a0, sp @@ -32,6 +33,7 @@ tlb_do_page_fault 1 SYM_CODE_START(handle_tlb_protect) + UNWIND_HINT_UNDEFINED BACKUP_T0T1 SAVE_ALL move a0, sp @@ -44,6 +46,7 @@ SYM_CODE_START(handle_tlb_protect) SYM_CODE_END(handle_tlb_protect) SYM_CODE_START(handle_tlb_load) + UNWIND_HINT_UNDEFINED csrwr t0, EXCEPTION_KS0 csrwr t1, EXCEPTION_KS1 csrwr ra, EXCEPTION_KS2 @@ -190,6 +193,7 @@ nopage_tlb_load: SYM_CODE_END(handle_tlb_load) SYM_CODE_START(handle_tlb_load_ptw) + UNWIND_HINT_UNDEFINED csrwr t0, LOONGARCH_CSR_KS0 csrwr t1, LOONGARCH_CSR_KS1 la_abs t0, tlb_do_page_fault_0 @@ -197,6 +201,7 @@ SYM_CODE_START(handle_tlb_load_ptw) SYM_CODE_END(handle_tlb_load_ptw) SYM_CODE_START(handle_tlb_store) + UNWIND_HINT_UNDEFINED csrwr t0, EXCEPTION_KS0 csrwr t1, EXCEPTION_KS1 csrwr ra, EXCEPTION_KS2 @@ -346,6 +351,7 @@ nopage_tlb_store: SYM_CODE_END(handle_tlb_store) SYM_CODE_START(handle_tlb_store_ptw) + UNWIND_HINT_UNDEFINED csrwr t0, LOONGARCH_CSR_KS0 csrwr t1, LOONGARCH_CSR_KS1 la_abs t0, tlb_do_page_fault_1 @@ -353,6 +359,7 @@ SYM_CODE_START(handle_tlb_store_ptw) SYM_CODE_END(handle_tlb_store_ptw) SYM_CODE_START(handle_tlb_modify) + UNWIND_HINT_UNDEFINED csrwr t0, EXCEPTION_KS0 csrwr t1, EXCEPTION_KS1 csrwr ra, EXCEPTION_KS2 @@ -500,6 +507,7 @@ nopage_tlb_modify: SYM_CODE_END(handle_tlb_modify) SYM_CODE_START(handle_tlb_modify_ptw) + UNWIND_HINT_UNDEFINED csrwr t0, LOONGARCH_CSR_KS0 csrwr t1, LOONGARCH_CSR_KS1 la_abs t0, tlb_do_page_fault_1 @@ -507,6 +515,7 @@ SYM_CODE_START(handle_tlb_modify_ptw) SYM_CODE_END(handle_tlb_modify_ptw) SYM_CODE_START(handle_tlb_refill) + UNWIND_HINT_UNDEFINED csrwr t0, LOONGARCH_CSR_TLBRSAVE csrrd t0, LOONGARCH_CSR_PGD lddir t0, t0, 3 |