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[PATCH] s390: put sys_call_table into .rodata section and write protect it

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Put s390's syscall tables into .rodata section and write protect this
section to prevent misuse of it.  Suggested by Arjan van de Ven
<arjan@infradead.org>.

Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens
2006-07-01 04:36:31 -07:00
committed by Linus Torvalds
parent a581c2a469
commit d882b17251
3 changed files with 28 additions and 17 deletions
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arch/s390/kernel/entry64.S
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@@ -991,6 +991,7 @@ cleanup_io_leave_insn:
.Lcritical_end:
.quad __critical_end
.section .rodata, "a"
#define SYSCALL(esa,esame,emu) .long esame
sys_call_table:
#include "syscalls.S"