tree b06df4190e3dbab104e515d7372de0ddc35d9a62
parent f5bfa159d20c9a25c44a7f848c70d4156f78ba64
author Michael Holzheu <holzheu@linux.vnet.ibm.com> 1331652308 -0400
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1331652383 -0400

[S390] kernel: Pass correct stack for smp_call_ipl_cpu()

Currently pcpu_devices->panic_stack is passed to pcpu_delegate() in
smp_call_ipl_cpu(). This is wrong because pcpu_delegate() expects
the bottom (high address) of the stack and pcpu_devices->panic_stack
points to the top (low address). We now pass the bottom of the stack
which is pcpu_devices->panic_stack + PAGE_SIZE.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>