s390/protvirt: parse prot_virt option in the decompressor

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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>

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This commit is contained in:

Vasily Gorbik 2020-09-11 11:38:21 +02:00

parent 8f78657c29

commit 1d6671ae46

4 changed files with 28 additions and 26 deletions

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8

arch/s390/boot/ipl_parm.c

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3

arch/s390/boot/uv.c

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3

arch/s390/kernel/setup.c

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40

arch/s390/kernel/uv.c

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