From: Chris Metcalf <cmetcalf@tilera.com>
Date: Fri, 12 Oct 2012 19:38:54 +0000 (-0400)
Subject: arch/tile: enable interrupts in do_work_pending()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=c19c6c954b9b264abdc21e0c855118e3daf019b0;p=openwrt%2Fstaging%2Fblogic.git

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 6be799150501..4f1a2413e865 100644
--- 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;