diff options
| author | Steven J. Magnani <steve@digidescorp.com> | 2010-04-12 16:01:36 -0500 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2010-05-06 11:21:57 +0200 |
| commit | e6d7961e5be0a259ba87411370f8be7f7da4c0f6 (patch) | |
| tree | da6efb64339f9dc8bab353ca69a8b28031ee0b1a | |
| parent | c86fac4382b3fb238a520ab5f2fa200c6a868b7f (diff) | |
| download | op-kernel-dev-e6d7961e5be0a259ba87411370f8be7f7da4c0f6.zip op-kernel-dev-e6d7961e5be0a259ba87411370f8be7f7da4c0f6.tar.gz | |
microblaze: Fix IRQ entry/exit ftracing
Function traces on Microblaze don't include IRQ entry and exit arrows,
i.e.
0) | memcpy_toiovec() {
0) ==========> |
0) | do_IRQ() {
...
0) <========== |
0) ! 5414.000 us | }
...because do_IRQ() doesn't have the proper attributes.
Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
| -rw-r--r-- | arch/microblaze/kernel/irq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c index 6f39e2c..8f120ac 100644 --- a/arch/microblaze/kernel/irq.c +++ b/arch/microblaze/kernel/irq.c @@ -9,6 +9,7 @@ */ #include <linux/init.h> +#include <linux/ftrace.h> #include <linux/kernel.h> #include <linux/hardirq.h> #include <linux/interrupt.h> @@ -32,7 +33,7 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map); static u32 concurrent_irq; -void do_IRQ(struct pt_regs *regs) +void __irq_entry do_IRQ(struct pt_regs *regs) { unsigned int irq; struct pt_regs *old_regs = set_irq_regs(regs); |
