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authorHeiko Carstens <heiko.carstens@de.ibm.com>2007-02-05 21:18:41 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-02-05 21:18:41 +0100
commit162e006ef59266b9ebf34e3d15ca1f3d9ee956d7 (patch)
treed7f1b61fbe822e71867bd04ee4ee7f3f1cd20842 /arch/s390/lib/uaccess_pt.c
parentab14de6c37fae22911ba99f4171613e6d758050b (diff)
downloadlinux-2.6.34-ux500-162e006ef59266b9ebf34e3d15ca1f3d9ee956d7.tar.gz
[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>
Diffstat (limited to 'arch/s390/lib/uaccess_pt.c')
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