From 4739d53fcd1df8a9f6f72bb02a3a1d852ad252b3 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Thu, 23 May 2019 11:22:54 +0100 Subject: arm64/mm: wire up CONFIG_ARCH_HAS_SET_DIRECT_MAP Wire up the special helper functions to manipulate aliases of vmalloc regions in the linear map. Acked-by: Will Deacon Signed-off-by: Ard Biesheuvel Signed-off-by: Catalin Marinas --- mm/vmalloc.c | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'mm') diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 7350a124524b..6bd7b515995c 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2128,17 +2128,6 @@ static void vm_remove_mappings(struct vm_struct *area, int deallocate_pages) int flush_reset = area->flags & VM_FLUSH_RESET_PERMS; int i; - /* - * The below block can be removed when all architectures that have - * direct map permissions also have set_direct_map_() implementations. - * This is concerned with resetting the direct map any an vm alias with - * execute permissions, without leaving a RW+X window. - */ - if (flush_reset && !IS_ENABLED(CONFIG_ARCH_HAS_SET_DIRECT_MAP)) { - set_memory_nx(addr, area->nr_pages); - set_memory_rw(addr, area->nr_pages); - } - remove_vm_area(area->addr); /* If this is not VM_FLUSH_RESET_PERMS memory, no need for the below. */ -- cgit v1.2.3