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(parent: 8ef9eda) | patch
s390/monwriter: do not use stack buffers for hardware data
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 6 Sep 2018 08:31:59 +0000 (10:31 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 9 Oct 2018 09:20:53 +0000 (11:20 +0200)
commitc0f07ff93bffae8c4252e4945ad82bc98f82a60e
treee367dabb81e425c9594932b0143f4af609735db9tree | snapshot
parent8ef9eda0188c2e904ef257f67cefcc3371a0c98ecommit | diff
s390/monwriter: do not use stack buffers for hardware data

With CONFIG_VMAP_STACK=y the stack is allocated from the vmalloc space.
Data structures passed to a hardware or a hypervisor interface that
requires V=R can not be allocated on the stack anymore.

Use kmalloc to get memory for the appldata_parameter_list and
appldata_product_id structures.

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/char/monwriter.c diff | blob | history
John Crispins staging tree