s390/protvirt: parse prot_virt option in the decompressor
authorVasily Gorbik <gor@linux.ibm.com>
Fri, 11 Sep 2020 09:38:21 +0000 (11:38 +0200)
committerVasily Gorbik <gor@linux.ibm.com>
Wed, 16 Sep 2020 12:08:47 +0000 (14:08 +0200)
commit1d6671ae46e52e383bc6eea8d33bdd32ae61b323
tree1996bcba464031af7c7ed546fbc2ab1e933fe837
parent8f78657c291f9e5ec26a2a9187938b374629d176
s390/protvirt: parse prot_virt option in the decompressor

To make early kernel address space layout definition possible parse
prot_virt option in the decompressor and pass it to the uncompressed
kernel. This enables kasan to take ultravisor secure storage limit into
consideration and pre-define vmalloc position correctly.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
arch/s390/boot/ipl_parm.c
arch/s390/boot/uv.c
arch/s390/kernel/setup.c
arch/s390/kernel/uv.c