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Commit 5971bc71 authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARC: [mm] optimise VIPT dcache aliasing 1/x 



flush_cache_page() - kills icache only if page is executable

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 29b93c68

arch/arc/mm/cache_arc700.c

+6 −1
Original line number Diff line number Diff line
@@ -679,7 +679,12 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long u_vaddr, 
{

	unsigned int paddr = pfn << PAGE_SHIFT;



	__sync_icache_dcache(paddr, u_vaddr, PAGE_SIZE);

	u_vaddr &= PAGE_MASK;



	___flush_dcache_page(paddr, u_vaddr);



	if (vma->vm_flags & VM_EXEC)

		__inv_icache_page(paddr, u_vaddr);

}



void flush_cache_range(struct vm_area_struct *vma, unsigned long start,