arch/tile: enable interrupts in do_work_pending()

All the called functions expect interrupts to be enabled, and
now one of them has started to warn about it, so make it correct.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 6be7991..4f1a241 100644 (file)
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -548,6 +548,9 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags)
        if (!user_mode(regs))
                return 0;
 
+       /* Enable interrupts; they are disabled again on return to caller. */
+       local_irq_enable();
+
        if (thread_info_flags & _TIF_NEED_RESCHED) {
                schedule();
                return 1;