修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/x86/include/asm/pgtable_32.h
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@@ -29,17 +29,8 @@
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 extern pgd_t initial_page_table[1024];
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 extern pmd_t initial_pg_pmd[];
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-static inline void pgtable_cache_init(void) { }
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-static inline void check_pgt_cache(void) { }
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 void paging_init(void);
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 void sync_initial_page_table(void);
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-
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-/*
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- * Define this if things work differently on an i386 and an i486:
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- * it will (on an i486) warn about kernel memory accesses that are
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- * done without a 'access_ok(VERIFY_WRITE,..)'
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- */
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-#undef TEST_ACCESS_OK
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 #ifdef CONFIG_X86_PAE
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 # include <asm/pgtable-3level.h>
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@@ -47,29 +38,17 @@
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 # include <asm/pgtable-2level.h>
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 #endif
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-#if defined(CONFIG_HIGHPTE)
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-#define pte_offset_map(dir, address)					\
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-	((pte_t *)kmap_atomic(pmd_page(*(dir))) +		\
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-	 pte_index((address)))
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-#define pte_unmap(pte) kunmap_atomic((pte))
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-#else
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-#define pte_offset_map(dir, address)					\
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-	((pte_t *)page_address(pmd_page(*(dir))) + pte_index((address)))
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-#define pte_unmap(pte) do { } while (0)
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-#endif
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-
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 /* Clear a kernel PTE and flush it from the TLB */
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 #define kpte_clear_flush(ptep, vaddr)		\
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 do {						\
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 	pte_clear(&init_mm, (vaddr), (ptep));	\
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-	__flush_tlb_one_kernel((vaddr));		\
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+	flush_tlb_one_kernel((vaddr));		\
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 } while (0)
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 #endif /* !__ASSEMBLY__ */
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 /*
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- * kern_addr_valid() is (1) for FLATMEM and (0) for
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- * SPARSEMEM and DISCONTIGMEM
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+ * kern_addr_valid() is (1) for FLATMEM and (0) for SPARSEMEM
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  */
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 #ifdef CONFIG_FLATMEM
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 #define kern_addr_valid(addr)	(1)