summaryrefslogtreecommitdiff
path: root/arch/metag/kernel/kick.c
diff options
context:
space:
mode:
authorAlexander Graf <agraf@suse.de>2013-08-28 22:41:59 (GMT)
committerAlexander Graf <agraf@suse.de>2013-08-28 22:41:59 (GMT)
commitbf550fc93d9855872a95e69e4002256110d89858 (patch)
tree10876bb4304bffe54c4160a132e7b8de6577ac4e /arch/metag/kernel/kick.c
parent7e48c101e0c53e6095c5f4f5e63d14df50aae8fc (diff)
parentcc2df20c7c4ce594c3e17e9cc260c330646012c8 (diff)
downloadlinux-fsl-qoriq-bf550fc93d9855872a95e69e4002256110d89858.tar.xz
Merge remote-tracking branch 'origin/next' into kvm-ppc-next
Conflicts: mm/Kconfig CMA DMA split and ZSWAP introduction were conflicting, fix up manually.
Diffstat (limited to 'arch/metag/kernel/kick.c')
-rw-r--r--arch/metag/kernel/kick.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/metag/kernel/kick.c b/arch/metag/kernel/kick.c
index 50fcbec..beb3776 100644
--- a/arch/metag/kernel/kick.c
+++ b/arch/metag/kernel/kick.c
@@ -26,6 +26,8 @@
* pass it as an argument.
*/
#include <linux/export.h>
+#include <linux/hardirq.h>
+#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/types.h>
@@ -66,6 +68,7 @@ EXPORT_SYMBOL(kick_unregister_func);
TBIRES
kick_handler(TBIRES State, int SigNum, int Triggers, int Inst, PTBI pTBI)
{
+ struct pt_regs *old_regs;
struct kick_irq_handler *kh;
struct list_head *lh;
int handled = 0;
@@ -79,6 +82,9 @@ kick_handler(TBIRES State, int SigNum, int Triggers, int Inst, PTBI pTBI)
trace_hardirqs_off();
+ old_regs = set_irq_regs((struct pt_regs *)State.Sig.pCtx);
+ irq_enter();
+
/*
* There is no need to disable interrupts here because we
* can't nest KICK interrupts in a KICK interrupt handler.
@@ -97,5 +103,8 @@ kick_handler(TBIRES State, int SigNum, int Triggers, int Inst, PTBI pTBI)
WARN_ON(!handled);
+ irq_exit();
+ set_irq_regs(old_regs);
+
return tail_end(ret);
}