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(parent: ab14de6) | patch
[S390] Mark kernel text section read-only.
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 5 Feb 2007 20:18:41 +0000 (21:18 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 5 Feb 2007 20:18:41 +0000 (21:18 +0100)
commit162e006ef59266b9ebf34e3d15ca1f3d9ee956d7
treed7f1b61fbe822e71867bd04ee4ee7f3f1cd20842tree | snapshot
parentab14de6c37fae22911ba99f4171613e6d758050bcommit | diff
[S390] Mark kernel text section read-only.

Set read-only flag in the page table entries for the kernel image text
section. This will catch all instruction caused corruptions withing the
text section.
Instruction replacement via kprobes still works, since it bypasses now
dynamic address translation.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/early.c diff | blob | history
arch/s390/kernel/kprobes.c diff | blob | history
arch/s390/kernel/vmlinux.lds.S diff | blob | history
arch/s390/mm/init.c diff | blob | history
include/asm-s390/sections.h diff | blob | history
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