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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-12-08 18:02:04 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-12-08 18:02:04 +0000 |
| commit | 6ae25a5b9d7ba86d6ac19c403dfa57dae6caa73d (patch) | |
| tree | 41d04269f268d6162e5f1866496dd42fbc79d2a4 /arch/arm/include/asm/proc-fns.h | |
| parent | 3ee0fc5ca129cbae81c073756febcb1c552af446 (diff) | |
| parent | 497b7e943d0dc5743454de56dcdb67352bbf96b2 (diff) | |
| download | linux-6ae25a5b9d7ba86d6ac19c403dfa57dae6caa73d.tar.bz2 | |
Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux into devel-stable
Conflicts:
arch/arm/mm/ioremap.c
Diffstat (limited to 'arch/arm/include/asm/proc-fns.h')
| -rw-r--r-- | arch/arm/include/asm/proc-fns.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h index 9e92cb205e65..f3628fb3d2b3 100644 --- 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 |