Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...

[cascardo/linux.git] / arch / arm / include / asm / proc-fns.h

diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index 9e92cb2..f3628fb 100644 (file)
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -65,7 +65,11 @@ extern struct processor {
         * Set a possibly extended PTE.  Non-extended PTEs should
         * ignore 'ext'.
         */
+#ifdef CONFIG_ARM_LPAE
+       void (*set_pte_ext)(pte_t *ptep, pte_t pte);
+#else
        void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
+#endif
 
        /* Suspend/resume */
        unsigned int suspend_size;
@@ -79,7 +83,11 @@ extern void cpu_proc_fin(void);
 extern int cpu_do_idle(void);
 extern void cpu_dcache_clean_area(void *, int);
 extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
+#ifdef CONFIG_ARM_LPAE
+extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte);
+#else
 extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext);
+#endif
 extern void cpu_reset(unsigned long addr) __attribute__((noreturn));
 
 /* These three are private to arch/arm/kernel/suspend.c */
@@ -107,6 +115,18 @@ extern void cpu_resume(void);
 
 #define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm)
 
+#ifdef CONFIG_ARM_LPAE
+#define cpu_get_pgd()  \
+       ({                                              \
+               unsigned long pg, pg2;                  \
+               __asm__("mrrc   p15, 0, %0, %1, c2"     \
+                       : "=r" (pg), "=r" (pg2)         \
+                       :                               \
+                       : "cc");                        \
+               pg &= ~(PTRS_PER_PGD*sizeof(pgd_t)-1);  \
+               (pgd_t *)phys_to_virt(pg);              \
+       })
+#else
 #define cpu_get_pgd()  \
        ({                                              \
                unsigned long pg;                       \
@@ -115,6 +135,7 @@ extern void cpu_resume(void);
                pg &= ~0x3fff;                          \
                (pgd_t *)phys_to_virt(pg);              \
        })
+#endif
 
 #endif