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s390/head: avoid doubling early boot stack size under KASAN
authorVasily Gorbik <gor@linux.ibm.com>
Fri, 12 Jan 2018 11:46:00 +0000 (12:46 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 9 Oct 2018 09:21:32 +0000 (11:21 +0200)
commit19733fe8721b8d91b799c91082ebb9c139ca6710
tree0d56f1df32e8e413d1c2a9b3578327e537920f5btree
parent6cad0eb561357dfde382b8d8c03c6ee30c0bff48commit | diff
s390/head: avoid doubling early boot stack size under KASAN

Early boot stack uses predefined 4 pages of memory 0x8000-0xC000. This
stack is used to run not instumented decompressor/facilities
verification C code. It doesn't make sense to double its size when
the kernel is built with KASAN support. BOOT_STACK_ORDER is introduced
to avoid that.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/boot/head.S diff | blob | history
arch/s390/include/asm/thread_info.h diff | blob | history
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