threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_SCORE_CACHEFLUSH_H
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#define _ASM_SCORE_CACHEFLUSH_H
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/* Keep includes the same across arches. */
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#include <linux/mm.h>
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extern void flush_cache_all(void);
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extern void flush_cache_mm(struct mm_struct *mm);
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extern void flush_cache_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end);
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extern void flush_cache_page(struct vm_area_struct *vma,
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unsigned long page, unsigned long pfn);
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extern void flush_cache_sigtramp(unsigned long addr);
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extern void flush_icache_all(void);
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extern void flush_icache_range(unsigned long start, unsigned long end);
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extern void flush_dcache_range(unsigned long start, unsigned long end);
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extern void flush_dcache_page(struct page *page);
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#define PG_dcache_dirty PG_arch_1
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#define flush_cache_dup_mm(mm) do {} while (0)
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#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 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_cache_vmap(start, end) do {} while (0)
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#define flush_cache_vunmap(start, end) do {} while (0)
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static inline void flush_icache_page(struct vm_area_struct *vma,
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struct page *page)
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{
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if (vma->vm_flags & VM_EXEC) {
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void *v = page_address(page);
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flush_icache_range((unsigned long) v,
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(unsigned long) v + PAGE_SIZE);
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}
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}
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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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#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
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do { \
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memcpy(dst, src, len); \
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if ((vma->vm_flags & VM_EXEC)) \
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flush_cache_page(vma, vaddr, page_to_pfn(page));\
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} while (0)
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#endif /* _ASM_SCORE_CACHEFLUSH_H */
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