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5 Commits (redonkable)

Author SHA1 Message Date
Alexey Budankov e85a198e30 perf-security: wrap paragraphs on 72 columns
Implemented formatting of paragraphs to be not wider than 72 columns.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-02-17 16:05:00 -07:00
Alexey Budankov e152c7b7bf perf-security: elaborate on perf_events/Perf privileged users
Elaborate on possible perf_event/Perf privileged users groups
and document steps about creating such groups.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-02-17 16:04:56 -07:00
Alexey Budankov 68570ca0b4 perf-security: document collected perf_events/Perf data categories
Document and categorize system and performance data into groups that
can be captured by perf_events/Perf and explicitly indicate the group
that can contain process sensitive data.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-02-17 16:04:51 -07:00
Alexey Budankov 9d87bbae2d perf-security: document perf_events/Perf resource control
Extend perf-security.rst file with perf_events/Perf resource control
section describing RLIMIT_NOFILE and perf_event_mlock_kb settings for
performance monitoring user processes.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-02-17 16:04:45 -07:00
Alexey Budankov 76e7fd843e Documentation/admin-guide: introduce perf-security.rst file
Implement initial version of perf-security.rst documentation file
covering security concerns of perf_event_paranoid settings.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-12-06 09:50:33 -07:00