diff options
Diffstat (limited to 'arch/arm/kernel/traps.c')
| -rw-r--r-- | arch/arm/kernel/traps.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 480e307501bb..6ea645939573 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -570,6 +570,7 @@ static int bad_syscall(int n, struct pt_regs *regs) static inline int __do_cache_op(unsigned long start, unsigned long end) { + unsigned int ua_flags; int ret; do { @@ -578,7 +579,9 @@ __do_cache_op(unsigned long start, unsigned long end) if (fatal_signal_pending(current)) return 0; + ua_flags = uaccess_save_and_enable(); ret = flush_icache_user_range(start, start + chunk); + uaccess_restore(ua_flags); if (ret) return ret; |