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

2019-02-28 Thread Andre Przywara
Hi, On 2/26/19 7:05 PM, Jeremy Linton wrote: 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 Reviewed-by: Andre Przywara Cheers, Andre. Cc: Jonathan Corbet Cc: linux-doc@vger.ke

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

2019-02-28 Thread Suzuki K Poulose
On 28/02/2019 18:21, Catalin Marinas wrote: On Thu, Feb 28, 2019 at 06:14:34PM +, Suzuki K Poulose wrote: On 27/02/2019 01:05, Jeremy Linton wrote: There are various reasons, including bencmarking, to disable spectrev2 mitigation on a machine. Provide a command-line to do so. Signed-off

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

2019-02-28 Thread Catalin Marinas
On Thu, Feb 28, 2019 at 06:14:34PM +, Suzuki K Poulose wrote: > On 27/02/2019 01:05, Jeremy Linton wrote: > > 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: Jonat

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

2019-02-28 Thread Suzuki K Poulose
Hi Jeremy On 27/02/2019 01:05, Jeremy Linton wrote: 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 diff --git a/arch/arm64/kerne

[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/cp