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Revert "ANDROID: security,perf: Allow further restriction of perf_event_open"

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Unfork Android.

This reverts commit 8e5e42d5ae.

Perf_event_paranoid=3 is no longer needed on Android. Access control
of perf events is now done by selinux. See:
https://patchwork.kernel.org/patch/11185793/

Bug: 120445712
Bug: 137092007
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: Iba493424174b30baff460caaa25a54a472c87bd4
This commit is contained in:
Jeff Vander Stoep
2020-01-23 09:51:14 +01:00
committed by Alistair Delva
parent c3f91ecb17
commit 025a1ee618
6 changed files with 1 additions and 27 deletions
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5
include/linux/perf_event.h
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@@ -1206,11 +1206,6 @@ int perf_event_max_stack_handler(struct ctl_table *table, int write,
#define PERF_SECURITY_KERNEL 2
#define PERF_SECURITY_TRACEPOINT 3
static inline bool perf_paranoid_any(void)
{
return sysctl_perf_event_paranoid > 2;
}
static inline int perf_is_paranoid(void)
{
return sysctl_perf_event_paranoid > -1;