diff options
| -rw-r--r-- | arch/parisc/kernel/cache.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 231cebb3fc0d..d41fee3a9874 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -315,6 +315,8 @@ static inline void __flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long physaddr) { + if (!static_branch_likely(&parisc_has_cache)) + return; preempt_disable(); flush_dcache_page_asm(physaddr, vmaddr); if (vma->vm_flags & VM_EXEC) @@ -326,6 +328,8 @@ static inline void __purge_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long physaddr) { + if (!static_branch_likely(&parisc_has_cache)) + return; preempt_disable(); purge_dcache_page_asm(physaddr, vmaddr); if (vma->vm_flags & VM_EXEC) |