tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ARC: [mm] optimise VIPT dcache aliasing 1/x
flush_cache_page() - kills icache only if page is executable
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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arch/arc/mm/cache_arc700.c
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arch/arc/mm/cache_arc700.c
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{
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unsigned int paddr = pfn << PAGE_SHIFT;
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__sync_icache_dcache(paddr, u_vaddr, PAGE_SIZE);
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u_vaddr &= PAGE_MASK;
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___flush_dcache_page(paddr, u_vaddr);
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if (vma->vm_flags & VM_EXEC)
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__inv_icache_page(paddr, u_vaddr);
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}
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void flush_cache_range(struct vm_area_struct *vma, unsigned long start,