| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Russell King | 1470 | 64.64% | 23 | 30.67% |
| Will Deacon | 271 | 11.92% | 9 | 12.00% |
| Catalin Marinas | 184 | 8.09% | 9 | 12.00% |
| Linus Torvalds (pre-git) | 107 | 4.71% | 12 | 16.00% |
| Linus Torvalds | 56 | 2.46% | 6 | 8.00% |
| Lennert Buytenhek | 45 | 1.98% | 3 | 4.00% |
| Rob Herring | 43 | 1.89% | 1 | 1.33% |
| Matthew Wilcox | 28 | 1.23% | 1 | 1.33% |
| Paulius Zaleckas | 22 | 0.97% | 1 | 1.33% |
| Andi Kleen | 16 | 0.70% | 1 | 1.33% |
| Jonathan Austin | 8 | 0.35% | 1 | 1.33% |
| Rusty Russell | 8 | 0.35% | 1 | 1.33% |
| Hugh Dickins | 4 | 0.18% | 1 | 1.33% |
| Hyok S. Choi | 3 | 0.13% | 1 | 1.33% |
| Thomas Gleixner | 2 | 0.09% | 1 | 1.33% |
| Alexey Dobriyan | 2 | 0.09% | 1 | 1.33% |
| Daniel Jacobowitz | 2 | 0.09% | 1 | 1.33% |
| Ingo Molnar | 2 | 0.09% | 1 | 1.33% |
| Li Chen | 1 | 0.04% | 1 | 1.33% |
| Total | 2274 | 75 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm/include/asm/tlbflush.h * * Copyright (C) 1999-2003 Russell King */ #ifndef _ASMARM_TLBFLUSH_H #define _ASMARM_TLBFLUSH_H #ifndef __ASSEMBLY__ # include <linux/mm_types.h> #endif #ifdef CONFIG_MMU #include <asm/glue.h> #define TLB_V4_U_PAGE (1 << 1) #define TLB_V4_D_PAGE (1 << 2) #define TLB_V4_I_PAGE (1 << 3) #define TLB_V6_U_PAGE (1 << 4) #define TLB_V6_D_PAGE (1 << 5) #define TLB_V6_I_PAGE (1 << 6) #define TLB_V4_U_FULL (1 << 9) #define TLB_V4_D_FULL (1 << 10) #define TLB_V4_I_FULL (1 << 11) #define TLB_V6_U_FULL (1 << 12) #define TLB_V6_D_FULL (1 << 13) #define TLB_V6_I_FULL (1 << 14) #define TLB_V6_U_ASID (1 << 16) #define TLB_V6_D_ASID (1 << 17) #define TLB_V6_I_ASID (1 << 18) #define TLB_V6_BP (1 << 19) /* Unified Inner Shareable TLB operations (ARMv7 MP extensions) */ #define TLB_V7_UIS_PAGE (1 << 20) #define TLB_V7_UIS_FULL (1 << 21) #define TLB_V7_UIS_ASID (1 << 22) #define TLB_V7_UIS_BP (1 << 23) #define TLB_BARRIER (1 << 28) #define TLB_L2CLEAN_FR (1 << 29) /* Feroceon */ #define TLB_DCLEAN (1 << 30) #define TLB_WB (1 << 31) /* * MMU TLB Model * ============= * * We have the following to choose from: * v4 - ARMv4 without write buffer * v4wb - ARMv4 with write buffer without I TLB flush entry instruction * v4wbi - ARMv4 with write buffer with I TLB flush entry instruction * fr - Feroceon (v4wbi with non-outer-cacheable page table walks) * fa - Faraday (v4 with write buffer with UTLB) * v6wbi - ARMv6 with write buffer with I TLB flush entry instruction * v7wbi - identical to v6wbi */ #undef _TLB #undef MULTI_TLB #ifdef CONFIG_SMP_ON_UP #define MULTI_TLB 1 #endif #define v4_tlb_flags (TLB_V4_U_FULL | TLB_V4_U_PAGE) #ifdef CONFIG_CPU_TLB_V4WT # define v4_possible_flags v4_tlb_flags # define v4_always_flags v4_tlb_flags # ifdef _TLB # define MULTI_TLB 1 # else # define _TLB v4 # endif #else # define v4_possible_flags 0 # define v4_always_flags (-1UL) #endif #define fa_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BARRIER | \ TLB_V4_U_FULL | TLB_V4_U_PAGE) #ifdef CONFIG_CPU_TLB_FA # define fa_possible_flags fa_tlb_flags # define fa_always_flags fa_tlb_flags # ifdef _TLB # define MULTI_TLB 1 # else # define _TLB fa # endif #else # define fa_possible_flags 0 # define fa_always_flags (-1UL) #endif #define v4wbi_tlb_flags (TLB_WB | TLB_DCLEAN | \ TLB_V4_I_FULL | TLB_V4_D_FULL | \ TLB_V4_I_PAGE | TLB_V4_D_PAGE) #ifdef CONFIG_CPU_TLB_V4WBI # define v4wbi_possible_flags v4wbi_tlb_flags # define v4wbi_always_flags v4wbi_tlb_flags # ifdef _TLB # define MULTI_TLB 1 # else # define _TLB v4wbi # endif #else # define v4wbi_possible_flags 0 # define v4wbi_always_flags (-1UL) #endif #define fr_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_L2CLEAN_FR | \ TLB_V4_I_FULL | TLB_V4_D_FULL | \ TLB_V4_I_PAGE | TLB_V4_D_PAGE) #ifdef CONFIG_CPU_TLB_FEROCEON # define fr_possible_flags fr_tlb_flags # define fr_always_flags fr_tlb_flags # ifdef _TLB # define MULTI_TLB 1 # else # define _TLB v4wbi # endif #else # define fr_possible_flags 0 # define fr_always_flags (-1UL) #endif #define v4wb_tlb_flags (TLB_WB | TLB_DCLEAN | \ TLB_V4_I_FULL | TLB_V4_D_FULL | \ TLB_V4_D_PAGE) #ifdef CONFIG_CPU_TLB_V4WB # define v4wb_possible_flags v4wb_tlb_flags # define v4wb_always_flags v4wb_tlb_flags # ifdef _TLB # define MULTI_TLB 1 # else # define _TLB v4wb # endif #else # define v4wb_possible_flags 0 # define v4wb_always_flags (-1UL) #endif #define v6wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BARRIER | \ TLB_V6_I_FULL | TLB_V6_D_FULL | \ TLB_V6_I_PAGE | TLB_V6_D_PAGE | \ TLB_V6_I_ASID | TLB_V6_D_ASID | \ TLB_V6_BP) #ifdef CONFIG_CPU_TLB_V6 # define v6wbi_possible_flags v6wbi_tlb_flags # define v6wbi_always_flags v6wbi_tlb_flags # ifdef _TLB # define MULTI_TLB 1 # else # define _TLB v6wbi # endif #else # define v6wbi_possible_flags 0 # define v6wbi_always_flags (-1UL) #endif #define v7wbi_tlb_flags_smp (TLB_WB | TLB_BARRIER | \ TLB_V7_UIS_FULL | TLB_V7_UIS_PAGE | \ TLB_V7_UIS_ASID | TLB_V7_UIS_BP) #define v7wbi_tlb_flags_up (TLB_WB | TLB_DCLEAN | TLB_BARRIER | \ TLB_V6_U_FULL | TLB_V6_U_PAGE | \ TLB_V6_U_ASID | TLB_V6_BP) #ifdef CONFIG_CPU_TLB_V7 # ifdef CONFIG_SMP_ON_UP # define v7wbi_possible_flags (v7wbi_tlb_flags_smp | v7wbi_tlb_flags_up) # define v7wbi_always_flags (v7wbi_tlb_flags_smp & v7wbi_tlb_flags_up) # elif defined(CONFIG_SMP) # define v7wbi_possible_flags v7wbi_tlb_flags_smp # define v7wbi_always_flags v7wbi_tlb_flags_smp # else # define v7wbi_possible_flags v7wbi_tlb_flags_up # define v7wbi_always_flags v7wbi_tlb_flags_up # endif # ifdef _TLB # define MULTI_TLB 1 # else # define _TLB v7wbi # endif #else # define v7wbi_possible_flags 0 # define v7wbi_always_flags (-1UL) #endif #ifndef _TLB #error Unknown TLB model #endif #ifndef __ASSEMBLY__ #include <linux/sched.h> struct cpu_tlb_fns { void (*flush_user_range)(unsigned long, unsigned long, struct vm_area_struct *); void (*flush_kern_range)(unsigned long, unsigned long); unsigned long tlb_flags; }; /* * Select the calling method */ #ifdef MULTI_TLB #define __cpu_flush_user_tlb_range cpu_tlb.flush_user_range #define __cpu_flush_kern_tlb_range cpu_tlb.flush_kern_range #else #define __cpu_flush_user_tlb_range __glue(_TLB,_flush_user_tlb_range) #define __cpu_flush_kern_tlb_range __glue(_TLB,_flush_kern_tlb_range) extern void __cpu_flush_user_tlb_range(unsigned long, unsigned long, struct vm_area_struct *); extern void __cpu_flush_kern_tlb_range(unsigned long, unsigned long); #endif extern struct cpu_tlb_fns cpu_tlb; #define __cpu_tlb_flags cpu_tlb.tlb_flags /* * TLB Management * ============== * * The arch/arm/mm/tlb-*.S files implement these methods. * * The TLB specific code is expected to perform whatever tests it * needs to determine if it should invalidate the TLB for each * call. Start addresses are inclusive and end addresses are * exclusive; it is safe to round these addresses down. * * flush_tlb_all() * * Invalidate the entire TLB. * * flush_tlb_mm(mm) * * Invalidate all TLB entries in a particular address * space. * - mm - mm_struct describing address space * * flush_tlb_range(vma,start,end) * * Invalidate a range of TLB entries in the specified * address space. * - mm - mm_struct describing address space * - start - start address (may not be aligned) * - end - end address (exclusive, may not be aligned) * * flush_tlb_page(vma, uaddr) * * Invalidate the specified page in the specified address range. * - vma - vm_area_struct describing address range * - vaddr - virtual address (may not be aligned) */ /* * We optimise the code below by: * - building a set of TLB flags that might be set in __cpu_tlb_flags * - building a set of TLB flags that will always be set in __cpu_tlb_flags * - if we're going to need __cpu_tlb_flags, access it once and only once * * This allows us to build optimal assembly for the single-CPU type case, * and as close to optimal given the compiler constrants for multi-CPU * case. We could do better for the multi-CPU case if the compiler * implemented the "%?" method, but this has been discontinued due to too * many people getting it wrong. */ #define possible_tlb_flags (v4_possible_flags | \ v4wbi_possible_flags | \ fr_possible_flags | \ v4wb_possible_flags | \ fa_possible_flags | \ v6wbi_possible_flags | \ v7wbi_possible_flags) #define always_tlb_flags (v4_always_flags & \ v4wbi_always_flags & \ fr_always_flags & \ v4wb_always_flags & \ fa_always_flags & \ v6wbi_always_flags & \ v7wbi_always_flags) #define tlb_flag(f) ((always_tlb_flags & (f)) || (__tlb_flag & possible_tlb_flags & (f))) #define __tlb_op(f, insnarg, arg) \ do { \ if (always_tlb_flags & (f)) \ asm("mcr " insnarg \ : : "r" (arg) : "cc"); \ else if (possible_tlb_flags & (f)) \ asm("tst %1, %2\n\t" \ "mcrne " insnarg \ : : "r" (arg), "r" (__tlb_flag), "Ir" (f) \ : "cc"); \ } while (0) #define tlb_op(f, regs, arg) __tlb_op(f, "p15, 0, %0, " regs, arg) #define tlb_l2_op(f, regs, arg) __tlb_op(f, "p15, 1, %0, " regs, arg) static inline void __local_flush_tlb_all(void) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; tlb_op(TLB_V4_U_FULL | TLB_V6_U_FULL, "c8, c7, 0", zero); tlb_op(TLB_V4_D_FULL | TLB_V6_D_FULL, "c8, c6, 0", zero); tlb_op(TLB_V4_I_FULL | TLB_V6_I_FULL, "c8, c5, 0", zero); } static inline void local_flush_tlb_all(void) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; if (tlb_flag(TLB_WB)) dsb(nshst); __local_flush_tlb_all(); tlb_op(TLB_V7_UIS_FULL, "c8, c7, 0", zero); if (tlb_flag(TLB_BARRIER)) { dsb(nsh); isb(); } } static inline void __flush_tlb_all(void) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; if (tlb_flag(TLB_WB)) dsb(ishst); __local_flush_tlb_all(); tlb_op(TLB_V7_UIS_FULL, "c8, c3, 0", zero); if (tlb_flag(TLB_BARRIER)) { dsb(ish); isb(); } } static inline void __local_flush_tlb_mm(struct mm_struct *mm) { const int zero = 0; const int asid = ASID(mm); const unsigned int __tlb_flag = __cpu_tlb_flags; if (possible_tlb_flags & (TLB_V4_U_FULL|TLB_V4_D_FULL|TLB_V4_I_FULL)) { if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) { tlb_op(TLB_V4_U_FULL, "c8, c7, 0", zero); tlb_op(TLB_V4_D_FULL, "c8, c6, 0", zero); tlb_op(TLB_V4_I_FULL, "c8, c5, 0", zero); } } tlb_op(TLB_V6_U_ASID, "c8, c7, 2", asid); tlb_op(TLB_V6_D_ASID, "c8, c6, 2", asid); tlb_op(TLB_V6_I_ASID, "c8, c5, 2", asid); } static inline void local_flush_tlb_mm(struct mm_struct *mm) { const int asid = ASID(mm); const unsigned int __tlb_flag = __cpu_tlb_flags; if (tlb_flag(TLB_WB)) dsb(nshst); __local_flush_tlb_mm(mm); tlb_op(TLB_V7_UIS_ASID, "c8, c7, 2", asid); if (tlb_flag(TLB_BARRIER)) dsb(nsh); } static inline void __flush_tlb_mm(struct mm_struct *mm) { const unsigned int __tlb_flag = __cpu_tlb_flags; if (tlb_flag(TLB_WB)) dsb(ishst); __local_flush_tlb_mm(mm); #ifdef CONFIG_ARM_ERRATA_720789 tlb_op(TLB_V7_UIS_ASID, "c8, c3, 0", 0); #else tlb_op(TLB_V7_UIS_ASID, "c8, c3, 2", ASID(mm)); #endif if (tlb_flag(TLB_BARRIER)) dsb(ish); } static inline void __local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; uaddr = (uaddr & PAGE_MASK) | ASID(vma->vm_mm); if (possible_tlb_flags & (TLB_V4_U_PAGE|TLB_V4_D_PAGE|TLB_V4_I_PAGE|TLB_V4_I_FULL) && cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) { tlb_op(TLB_V4_U_PAGE, "c8, c7, 1", uaddr); tlb_op(TLB_V4_D_PAGE, "c8, c6, 1", uaddr); tlb_op(TLB_V4_I_PAGE, "c8, c5, 1", uaddr); if (!tlb_flag(TLB_V4_I_PAGE) && tlb_flag(TLB_V4_I_FULL)) asm("mcr p15, 0, %0, c8, c5, 0" : : "r" (zero) : "cc"); } tlb_op(TLB_V6_U_PAGE, "c8, c7, 1", uaddr); tlb_op(TLB_V6_D_PAGE, "c8, c6, 1", uaddr); tlb_op(TLB_V6_I_PAGE, "c8, c5, 1", uaddr); } static inline void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) { const unsigned int __tlb_flag = __cpu_tlb_flags; uaddr = (uaddr & PAGE_MASK) | ASID(vma->vm_mm); if (tlb_flag(TLB_WB)) dsb(nshst); __local_flush_tlb_page(vma, uaddr); tlb_op(TLB_V7_UIS_PAGE, "c8, c7, 1", uaddr); if (tlb_flag(TLB_BARRIER)) dsb(nsh); } static inline void __flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) { const unsigned int __tlb_flag = __cpu_tlb_flags; uaddr = (uaddr & PAGE_MASK) | ASID(vma->vm_mm); if (tlb_flag(TLB_WB)) dsb(ishst); __local_flush_tlb_page(vma, uaddr); #ifdef CONFIG_ARM_ERRATA_720789 tlb_op(TLB_V7_UIS_PAGE, "c8, c3, 3", uaddr & PAGE_MASK); #else tlb_op(TLB_V7_UIS_PAGE, "c8, c3, 1", uaddr); #endif if (tlb_flag(TLB_BARRIER)) dsb(ish); } static inline void __local_flush_tlb_kernel_page(unsigned long kaddr) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; tlb_op(TLB_V4_U_PAGE, "c8, c7, 1", kaddr); tlb_op(TLB_V4_D_PAGE, "c8, c6, 1", kaddr); tlb_op(TLB_V4_I_PAGE, "c8, c5, 1", kaddr); if (!tlb_flag(TLB_V4_I_PAGE) && tlb_flag(TLB_V4_I_FULL)) asm("mcr p15, 0, %0, c8, c5, 0" : : "r" (zero) : "cc"); tlb_op(TLB_V6_U_PAGE, "c8, c7, 1", kaddr); tlb_op(TLB_V6_D_PAGE, "c8, c6, 1", kaddr); tlb_op(TLB_V6_I_PAGE, "c8, c5, 1", kaddr); } static inline void local_flush_tlb_kernel_page(unsigned long kaddr) { const unsigned int __tlb_flag = __cpu_tlb_flags; kaddr &= PAGE_MASK; if (tlb_flag(TLB_WB)) dsb(nshst); __local_flush_tlb_kernel_page(kaddr); tlb_op(TLB_V7_UIS_PAGE, "c8, c7, 1", kaddr); if (tlb_flag(TLB_BARRIER)) { dsb(nsh); isb(); } } static inline void __flush_tlb_kernel_page(unsigned long kaddr) { const unsigned int __tlb_flag = __cpu_tlb_flags; kaddr &= PAGE_MASK; if (tlb_flag(TLB_WB)) dsb(ishst); __local_flush_tlb_kernel_page(kaddr); tlb_op(TLB_V7_UIS_PAGE, "c8, c3, 1", kaddr); if (tlb_flag(TLB_BARRIER)) { dsb(ish); isb(); } } /* * Branch predictor maintenance is paired with full TLB invalidation, so * there is no need for any barriers here. */ static inline void __local_flush_bp_all(void) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; if (tlb_flag(TLB_V6_BP)) asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero)); } static inline void local_flush_bp_all(void) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; __local_flush_bp_all(); if (tlb_flag(TLB_V7_UIS_BP)) asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero)); } static inline void __flush_bp_all(void) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; __local_flush_bp_all(); if (tlb_flag(TLB_V7_UIS_BP)) asm("mcr p15, 0, %0, c7, c1, 6" : : "r" (zero)); } /* * flush_pmd_entry * * Flush a PMD entry (word aligned, or double-word aligned) to * RAM if the TLB for the CPU we are running on requires this. * This is typically used when we are creating PMD entries. * * clean_pmd_entry * * Clean (but don't drain the write buffer) if the CPU requires * these operations. This is typically used when we are removing * PMD entries. */ static inline void flush_pmd_entry(void *pmd) { const unsigned int __tlb_flag = __cpu_tlb_flags; tlb_op(TLB_DCLEAN, "c7, c10, 1 @ flush_pmd", pmd); tlb_l2_op(TLB_L2CLEAN_FR, "c15, c9, 1 @ L2 flush_pmd", pmd); if (tlb_flag(TLB_WB)) dsb(ishst); } static inline void clean_pmd_entry(void *pmd) { const unsigned int __tlb_flag = __cpu_tlb_flags; tlb_op(TLB_DCLEAN, "c7, c10, 1 @ flush_pmd", pmd); tlb_l2_op(TLB_L2CLEAN_FR, "c15, c9, 1 @ L2 flush_pmd", pmd); } #undef tlb_op #undef tlb_flag #undef always_tlb_flags #undef possible_tlb_flags /* * Convert calls to our calling convention. */ #define local_flush_tlb_range(vma,start,end) __cpu_flush_user_tlb_range(start,end,vma) #define local_flush_tlb_kernel_range(s,e) __cpu_flush_kern_tlb_range(s,e) #ifndef CONFIG_SMP #define flush_tlb_all local_flush_tlb_all #define flush_tlb_mm local_flush_tlb_mm #define flush_tlb_page local_flush_tlb_page #define flush_tlb_kernel_page local_flush_tlb_kernel_page #define flush_tlb_range local_flush_tlb_range #define flush_tlb_kernel_range local_flush_tlb_kernel_range #define flush_bp_all local_flush_bp_all #else extern void flush_tlb_all(void); extern void flush_tlb_mm(struct mm_struct *mm); extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr); extern void flush_tlb_kernel_page(unsigned long kaddr); extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); extern void flush_bp_all(void); #endif /* * If PG_dcache_clean is not set for the page, we need to ensure that any * cache entries for the kernels virtual memory range are written * back to the page. On ARMv6 and later, the cache coherency is handled via * the set_ptes() function. */ #if __LINUX_ARM_ARCH__ < 6 void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, unsigned int nr); #else static inline void update_mmu_cache_range(struct vm_fault *vmf, struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, unsigned int nr) { } #endif #define update_mmu_cache(vma, addr, ptep) \ update_mmu_cache_range(NULL, vma, addr, ptep, 1) #define update_mmu_cache_pmd(vma, address, pmd) do { } while (0) #endif #elif defined(CONFIG_SMP) /* !CONFIG_MMU */ #ifndef __ASSEMBLY__ static inline void local_flush_tlb_all(void) { } static inline void local_flush_tlb_mm(struct mm_struct *mm) { } static inline void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) { } static inline void local_flush_tlb_kernel_page(unsigned long kaddr) { } static inline void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { } static inline void local_flush_tlb_kernel_range(unsigned long start, unsigned long end) { } static inline void local_flush_bp_all(void) { } extern void flush_tlb_all(void); extern void flush_tlb_mm(struct mm_struct *mm); extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr); extern void flush_tlb_kernel_page(unsigned long kaddr); extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); extern void flush_bp_all(void); #endif /* __ASSEMBLY__ */ #endif #ifndef __ASSEMBLY__ #ifdef CONFIG_ARM_ERRATA_798181 extern void erratum_a15_798181_init(void); #else static inline void erratum_a15_798181_init(void) {} #endif extern bool (*erratum_a15_798181_handler)(void); static inline bool erratum_a15_798181(void) { if (unlikely(IS_ENABLED(CONFIG_ARM_ERRATA_798181) && erratum_a15_798181_handler)) return erratum_a15_798181_handler(); return false; } #endif #endif
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