TechPanelGM/kernel_xiaomi_sm8250
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Documentation: Add section about CPU vulnerabilities for Spectre

Browse Source 
commit 6e88559470f581741bcd0f2794f9054814ac9740 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tim Chen
2019-06-20 16:10:50 -07:00
committed by Greg Kroah-Hartman
parent bd9604022e
commit 8a815007f5
3 changed files with 700 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/userspace-api/spec_ctrl.rst
View File

@@ -47,6 +47,8 @@ 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
-----------------------