s390: initialize backchain for ext_int_handler()
authorMichael Holzheu <holzheu@linux.vnet.ibm.com>
Wed, 9 May 2012 14:27:35 +0000 (16:27 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 16 May 2012 12:42:37 +0000 (14:42 +0200)
commit0de9db37f0dff3bda21b3650ba60a21d3fe70df2
tree6cfd033bebc8ae951c31294e40294ecd33262c29
parent54310a2d9e109e1cbe24e41388def33ff0391cd1
s390: initialize backchain for ext_int_handler()

To allow correct stack backtraces the backchain for the external
interrupt handler is now initialized with zero like it is already
done for example by io_int_handler().

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/entry64.S