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move seccomp from /proc to a prctl

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This reduces the memory footprint and it enforces that only the current
task can enable seccomp on itself (this is a requirement for a
strightforward [modulo preempt ;) ] TIF_NOTSC implementation).

Signed-off-by: Andrea Arcangeli <andrea@cpushare.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrea Arcangeli
2007-07-15 23:41:32 -07:00
committed by Linus Torvalds
parent be0ef957c9
commit 1d9d02feee
5 changed files with 51 additions and 74 deletions
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4
include/linux/prctl.h
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@@ -59,4 +59,8 @@
# define PR_ENDIAN_LITTLE 1 /* True little endian mode */
# define PR_ENDIAN_PPC_LITTLE 2 /* "PowerPC" pseudo little endian */
/* Get/set process seccomp mode */
#define PR_GET_SECCOMP 21
#define PR_SET_SECCOMP 22
#endif /* _LINUX_PRCTL_H */