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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4c61afcdb2
only present ptes must be flushed. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
#ifndef _ASM_X86_CACHEFLUSH_H
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#define _ASM_X86_CACHEFLUSH_H
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/* Keep includes the same across arches. */
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#include <linux/mm.h>
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/* Caches aren't brain-dead on the intel. */
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#define flush_cache_all() do { } while (0)
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#define flush_cache_mm(mm) do { } while (0)
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#define flush_cache_dup_mm(mm) do { } while (0)
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#define flush_cache_range(vma, start, end) do { } while (0)
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#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
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#define flush_dcache_page(page) do { } while (0)
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#define flush_dcache_mmap_lock(mapping) do { } while (0)
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#define flush_dcache_mmap_unlock(mapping) do { } while (0)
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#define flush_icache_range(start, end) do { } while (0)
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#define flush_icache_page(vma,pg) do { } while (0)
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#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
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#define flush_cache_vmap(start, end) do { } while (0)
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#define flush_cache_vunmap(start, end) do { } while (0)
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#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
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memcpy(dst, src, len)
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#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
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memcpy(dst, src, len)
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int __deprecated_for_modules change_page_attr(struct page *page, int numpages,
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pgprot_t prot);
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int set_pages_uc(struct page *page, int numpages);
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int set_pages_wb(struct page *page, int numpages);
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int set_pages_x(struct page *page, int numpages);
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int set_pages_nx(struct page *page, int numpages);
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int set_pages_ro(struct page *page, int numpages);
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int set_pages_rw(struct page *page, int numpages);
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int set_memory_uc(unsigned long addr, int numpages);
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int set_memory_wb(unsigned long addr, int numpages);
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int set_memory_x(unsigned long addr, int numpages);
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int set_memory_nx(unsigned long addr, int numpages);
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int set_memory_ro(unsigned long addr, int numpages);
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int set_memory_rw(unsigned long addr, int numpages);
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int set_memory_np(unsigned long addr, int numpages);
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void clflush_cache_range(void *addr, unsigned int size);
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#ifdef CONFIG_DEBUG_RODATA
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void mark_rodata_ro(void);
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#endif
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#ifdef CONFIG_DEBUG_RODATA_TEST
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void rodata_test(void);
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#else
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static inline void rodata_test(void)
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{
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}
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#endif
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#endif
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