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| author | Tim Chen <tim.c.chen@linux.intel.com> | 2019-06-21 02:10:50 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-06-26 20:42:41 +0300 |
| commit | 6e88559470f581741bcd0f2794f9054814ac9740 (patch) | |
| tree | 26dea08d726980257a5996eb5c5f6f5146cf721a /Documentation/userspace-api | |
| parent | 163ede97a9a29604c3a8afbf22ae0599f5148621 (diff) | |
| download | linux-6e88559470f581741bcd0f2794f9054814ac9740.tar.xz | |
Documentation: Add section about CPU vulnerabilities for Spectre
Add documentation for Spectre vulnerability and the mitigation mechanisms:
- Explain the problem and risks
- Document the mitigation mechanisms
- Document the command line controls
- Document the sysfs files
Co-developed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Co-developed-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/userspace-api')
| -rw-r--r-- | Documentation/userspace-api/spec_ctrl.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/userspace-api/spec_ctrl.rst b/Documentation/userspace-api/spec_ctrl.rst index 1129c7550a48..7ddd8f667459 100644 --- a/Documentation/userspace-api/spec_ctrl.rst +++ b/Documentation/userspace-api/spec_ctrl.rst @@ -49,6 +49,8 @@ If PR_SPEC_PRCTL is set, then the per-task control of the mitigation is available. If not set, prctl(PR_SET_SPECULATION_CTRL) for the speculation misfeature will fail. +.. _set_spec_ctrl: + PR_SET_SPECULATION_CTRL ----------------------- |