These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / arm64 / mm / flush.c

diff --git a/kernel/arch/arm64/mm/flush.c b/kernel/arch/arm64/mm/flush.c
index b6f14e8..c26b804 100644 (file)
--- a/kernel/arch/arm64/mm/flush.c
+++ b/kernel/arch/arm64/mm/flush.c
@@ -60,14 +60,10 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
                       unsigned long uaddr, void *dst, const void *src,
                       unsigned long len)
 {
-#ifdef CONFIG_SMP
        preempt_disable();
-#endif
        memcpy(dst, src, len);
        flush_ptrace_access(vma, page, uaddr, dst, len);
-#ifdef CONFIG_SMP
        preempt_enable();
-#endif
 }
 
 void __sync_icache_dcache(pte_t pte, unsigned long addr)
@@ -102,7 +98,6 @@ EXPORT_SYMBOL(flush_dcache_page);
 /*
  * Additional functions defined in assembly.
  */
-EXPORT_SYMBOL(flush_cache_all);
 EXPORT_SYMBOL(flush_icache_range);
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE