generic, x86: add prctl commands PR_GET_TSC and PR_SET_TSC

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This patch adds prctl commands that make it possible
to deny the execution of timestamp counters in userspace.
If this is not implemented on a specific architecture,
prctl will return -EINVAL.

ned-off-by: Erik Bosman <ejbosman@cs.vu.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

...

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Erik Bosman 2008-04-11 18:54:17 +02:00 • committed by Ingo Molnar

parent 5deb45e39b

commit 8fb402bccf

2 changed files with 18 additions and 1 deletions

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6

include/linux/prctl.h

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13

kernel/sys.c

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