[PATCH v1 3/4] s390x:irq: make IRQ handler weak

[Pierre Morel <pmorel@linux.ibm.com>]

Having a weak function allows the tests programm to declare its own IRQ
handler.
This is helpfull when developping I/O tests.
---
 lib/s390x/interrupt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/s390x/interrupt.c b/lib/s390x/interrupt.c
index 7aecfc5..0049194 100644
--- a/lib/s390x/interrupt.c
+++ b/lib/s390x/interrupt.c
@@ -140,7 +140,7 @@ void handle_mcck_int(sregs_t *regs)
 		     lc->mcck_old_psw.addr);
 }
 
-void handle_io_int(sregs_t *regs)
+__attribute__((weak)) void handle_io_int(sregs_t *regs)
 {
 	report_abort("Unexpected io interrupt: at %#lx",
 		     lc->io_old_psw.addr);
-- 
2.7.4