[PATCH v4 01/12] Documentation: Document arm64 kpti control

2019-01-25 Thread Jeremy Linton
For a while Arm64 has been capable of force enabling or disabling the kpti mitigations. Lets make sure the documentation reflects that. Signed-off-by: Jeremy Linton Cc: Jonathan Corbet Cc: linux-doc@vger.kernel.org --- Documentation/admin-guide/kernel-parameters.txt | 6 ++ 1 file changed

[PATCH v4 02/12] arm64: Provide a command line to disable spectre_v2 mitigation

2019-01-25 Thread Jeremy Linton
There are various reasons, including bencmarking, to disable spectrev2 mitigation on a machine. Provide a command-line to do so. Signed-off-by: Jeremy Linton Cc: Jonathan Corbet Cc: linux-doc@vger.kernel.org --- Documentation/admin-guide/kernel-parameters.txt | 8 arch/arm64/kernel

Re: [PATCH v4 01/12] Documentation: Document arm64 kpti control

2019-02-06 Thread Jeremy Linton
Hi, I just realized I replied to this off-list. On 01/30/2019 12:02 PM, Andre Przywara wrote: On Fri, 25 Jan 2019 12:07:00 -0600 Jeremy Linton wrote: Hi, For a while Arm64 has been capable of force enabling or disabling the kpti mitigations. Lets make sure the documentation reflects that

[PATCH v5 01/10] arm64: Provide a command line to disable spectre_v2 mitigation

2019-02-26 Thread Jeremy Linton
There are various reasons, including bencmarking, to disable spectrev2 mitigation on a machine. Provide a command-line to do so. Signed-off-by: Jeremy Linton Cc: Jonathan Corbet Cc: linux-doc@vger.kernel.org --- Documentation/admin-guide/kernel-parameters.txt | 8 arch/arm64/kernel