@@ -20,7 +20,6 @@
#include <asm/cpufeature.h>
#include <asm/daifflags.h>
#include <asm/proc-fns.h>
-#include <asm-generic/mm_hooks.h>
#include <asm/cputype.h>
#include <asm/sysreg.h>
#include <asm/tlbflush.h>
@@ -215,6 +214,20 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
return 0;
}
+static inline int arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm)
+{
+ return 0;
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
+
+static inline void arch_unmap(struct mm_struct *mm,
+ unsigned long start, unsigned long end)
+{
+}
+
#ifdef CONFIG_ARM64_SW_TTBR0_PAN
static inline void update_saved_ttbr0(struct task_struct *tsk,
struct mm_struct *mm)
@@ -304,6 +317,12 @@ static inline unsigned long mm_untag_mask(struct mm_struct *mm)
return -1UL >> 8;
}
+static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
+ bool write, bool execute, bool foreign)
+{
+ return true;
+}
+
#include <asm-generic/mmu_context.h>
#endif /* !__ASSEMBLY__ */
These functions will be extended to support pkeys. Signed-off-by: Joey Gouly <joey.gouly@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> --- arch/arm64/include/asm/mmu_context.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-)